DURA PHARMACEUTICALS INC
8-K, 1999-01-15
PHARMACEUTICAL PREPARATIONS
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                         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
                                          
                                          
                                  January 1, 1999
                     (Date of Report - earliest event reported)
                                          
                                          
                                          
                             DURA PHARMACEUTICALS, INC.
               (Exact name of registrant as specified in its charter)
                                          
                                          
                                          
          DELAWARE                    000-19809                 95-3645543
 (State or other jurisdiction       (Commission              (I.R.S. Employer
      of incorporation)             File Number)            Identification No.)



       7475 LUSK BLVD., SAN DIEGO, CALIFORNIA                     92121
      (Address of principal executive offices)                  (Zip Code)

      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE IS (619) 457-2553


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ITEM 2.        ACQUISITION OR DISPOSITION OF ASSETS 

On January 1, 1999, Dura Pharmaceuticals, Inc. (the "Company") acquired from 
Bristol-Myers Squibb Company ("BMS") the exclusive U.S. distribution rights 
for the patented hospital antibiotic products Maxipime-Registered Trademark- 
IV/IM (cefepime hydrochloride) and Azactam-Registered Trademark- IV/IM 
(aztreonam) (collectively, the "Products"), pursuant to a Distribution 
Agreement effective such date.  The purchase price consisted of $60 million 
paid in cash at closing, payments totaling $4 million due in 1999, and a 
payment of $70 million due in 2003, plus additional contingent payments  due 
from 1999 through 2003 based on sales of the Products during that period.  
The initial cash payment was funded from the Company's existing cash and the 
Company expects to fund future payments from existing cash balances.

BMS will manufacture and supply the Products under a separate Supply 
Agreement effective January 1, 1999 (the "Supply Agreement").  The Company 
will establish a hospital-based sales force to market the Products.  Pursuant 
to an interim services agreement between BMS and the Company, BMS will 
co-promote the Products during 1999 as the Company builds its hospital sales 
force.

The Products generated combined U.S. sales for BMS for the years ending 
December 31, 1996, 1997, and 1998, of approximately $43 million, $50 million, 
and $59 million, respectively.  Based on the terms of the Supply Agreement, 
the Company expects that direct cost of sales of the Products will be 
approximately 23 % of net sales, which is consistent with the cost of sales 
incurred by BMS during the periods discussed above. 

                                       2

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ITEM 7.        EXHIBITS

 2.1  Distribution Agreement for Maxipime-Registered Trademark- and
      Azactam-Registered Trademark- between Bristol-Myers Squibb Company and 
      Dura Pharmaceuticals, Inc.*  The exhibits referenced in the Distribution
      Agreement have not been included because they are either disclosed in 
      such agreement or would not be material to an investment decision; they 
      will be provided to the Commission upon request.

 2.2  Supply Agreement for Maxipime-Registered Trademark- and Azactam-Registered
      Trademark- between Bristol-Myers Squibb Company and Dura Pharmaceuticals,
      Inc.*  The exhibits referenced in the Supply Agreement have not been
      included because they are either disclosed in such agreement or would not
      be material to an investment decision; they will be provided to the
      Commission upon request.

99.1  Press Release dated December 22, 1998 issued by the Company.



*Certain confidential portions of this Exhibit were omitted by means of marking
such portions with an asterisk (the "Mark").  This Exhibit has been filed with
the Secretary of the Commission without the Mark pursuant to the Company's
application requesting confidential treatment under Rule 24b-2 under the
Securities Exchange Act of 1934, as amended.

                                       3

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                                     SIGNATURES
                                          
     Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report on Form 8-K to be signed on its behalf 
by the undersigned hereunto duly authorized.

                                   DURA PHARMACEUTICALS, INC.


Date:     January 15, 1999         /s/ MICHAEL T. BORER   
                                   ---------------------------
                                       Michael T. Borer
                                       Sr. Vice President and 
                                       Chief Financial Officer

                                          4

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                             DURA PHARMACEUTICALS, INC.
                                      FORM 8-K
                                   EXHIBIT INDEX


EXHIBIT NO.    DESCRIPTION    

 2.1           Distribution Agreement for Maxipime-Registered Trademark- and
               Azactam-Registered Trademark- between Bristol-Myers Squibb
               Company and Dura Pharmaceuticals, Inc.*  The exhibits referenced
               in the Distribution Agreement have not been included because they
               are either disclosed in such agreement or would not be material
               to an investment decision; they will be provided to the
               Commission upon request.

 2.2           Supply Agreement for Maxipime-Registered Trademark- and
               Azactam-Registered Trademark- between Bristol-Myers Squibb
               Company and Dura Pharmaceuticals, Inc.*  The exhibits referenced
               in the Supply Agreement have not been included because they are
               either disclosed in such agreement or would not be material to an
               investment decision; they will be provided to the Commission upon
               request.

99.1           Press Release dated December 22, 1998 issued by the Company.



*Certain confidential portions of this Exhibit were omitted by means of marking
such portions with an asterisk (the "Mark").  This Exhibit has been filed with
the Secretary of the Commission without the Mark pursuant to the Company's
application requesting confidential treatment under Rule 24b-2 under the
Securities Exchange Act of 1934, as amended.


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                                    Exhibit 2.1*
                                           
                               DISTRIBUTION AGREEMENT
        FOR MAXIPIME-Registered Trademark- AND AZACTAM-Registered Trademark-


     This AGREEMENT is made between Bristol-Myers Squibb Company, a 
corporation duly organized and existing under the laws of the state of 
Delaware, having offices at Route 206 and Province Line Road, Princeton, New 
Jersey 08543-4000 ("BMS") and Dura Pharmaceuticals, Inc., a corporation duly 
organized and existing under the laws of the State of Delaware, and having 
offices at 7475 Lusk Boulevard, San Diego, CA 92121 ("DURA").

                                           
                                       RECITALS

     A.   BMS markets two products known as Maxipime-Registered 
Trademark-(Cefepime Hydrochloride) and Azactam-Registered Trademark- 
(Aztreonam) in various formulations and strengths.

     B.   DURA wishes to obtain the right to distribute, market, and sell 
these two products in the United States and to use BMS's trademarks for such 
two products in such country, and BMS wishes to grant such rights to DURA, on 
the terms and conditions set forth in this Agreement.

     C.   By separate agreement of even date herewith, DURA has agreed to 
purchase from BMS, and BMS has agreed to supply to DURA, DURA's entire 
requirements of each Product (as hereinafter defined), for use in the United 
States only, pursuant to the terms and conditions set forth in such separate 
Supply Agreement (as defined below).

     NOW, THEREFORE, in consideration of the foregoing recitals and the 
mutual covenants and agreements of the Parties contained in this Agreement, 
the Parties agree as follows:

1.   DEFINITIONS.
     
     For all purposes of this Agreement, (i) the terms defined in this 
Article 1 will have those meanings set forth in this Article 1, unless the 
context in the text of the Agreement dictates otherwise; and (ii) all dollar 
amounts refer to United States dollars.

     "ABBOTT LICENSE AGREEMENT" means the Agreement executed in 1985 between 
Abbott Laboratories, Inc. ("Abbott") and Bristol-Myers Squibb Company, as 
heretofore amended and as the same may be amended hereafter, covering, among 
other matters, the license by Abbott to make and use ADD-Vantage-TM- Vials 
containing certain BMS drugs, including Maxipime-Registered Trademark-, 
within the Territory.

     "AFFILIATE", with respect to any Party, means any Person controlling, 
controlled by, or under common control with, such Party.  For these purposes, 
"control" shall refer to: (a) the possession, directly or indirectly, of the 
power to direct the management or policies of a Person or to veto any 
material decision relating to the management or policies

                                       1

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.

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of a Person, in each case, whether through the ownership of voting 
securities, by contract or otherwise, or (b) the ownership, directly or 
indirectly, of at least 50% of the voting securities of a Person.

     "AGREEMENT" means this agreement, together with all appendices, exhibits 
and schedules hereto, and as the same may be amended or supplemented from 
time to time hereafter by a written agreement duly executed by authorized 
representatives of each Party hereto.

     "AGREEMENT QUARTER" means each three-month period commencing on the 
first day of January, April, July, or October, as the case may be, during the 
Term.

     "AGREEMENT YEAR" means each 12-month period commencing on January 1 
during the applicable Term for any Product.

     "AZACTAM-Registered Trademark- TERM" has the meaning set forth in 
Section 13.1 hereof.

     "BAXTER SUPPLY AGREEMENT" means the Agreement dated June 6, 1986 between 
Travenol Laboratories, Inc. ("Baxter") and E.R. Squibb & Sons, Inc., as 
heretofore amended and as the same may be amended hereafter, covering, among 
other matters, the supply by Baxter to BMS of Azactam-Registered Trademark- 
in packaged, premixed, sterile filled and frozen form in Baxter's 
VIAFLEX-Registered Trademark- plastic container delivery system (now know as 
the GALAXY-Registered Trademark- system) within the Territory. 

     "BMS ENTITIES" means BMS and those BMS entities that (i) distribute, 
sell, or market any of the Products in the Territory; (ii) own or control any 
of the rights licensed to DURA hereunder; (iii) own or control any of the 
assets that are used in and are material to the conduct of the Business; 
and/or (iv) are party to any Third Party contracts that are material to the 
conduct of the Business.

     "BUNDLED CONTRACTS" has the meaning set forth in Section 3.5.

     "BUSINESS"  means the manufacture, distribution, sale and marketing of 
the Products within the Territory as conducted by BMS and its Affiliates as 
of the Execution Date.  The Business does not include any of the operations, 
technology, intellectual property rights, research or assets relating to (A) 
any other product of BMS or any of its Affiliates or (B) the manufacture, 
distribution, marketing or sale of the Products for use outside the 
Territory. 

     "CLINICAL TRIALS COMMITTEE" has the meaning set forth in Section 5.2 
hereof.

     "COMMERCIALLY REASONABLE EFFORTS" of a Party shall mean those efforts 
consistent with the exercise of its prudent scientific and business judgment 
as applied to other research, development and commercialization efforts for 
products of similar scientific and commercial potential within the research 
programs and relevant product lines of such Party.

                                       2
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     "CONFIDENTIAL INFORMATION" has the meaning set forth in Article 12 
hereof.

     "CONFIDENTIALITY AGREEMENT" has the meaning set forth in Section 12.1.3 
hereof.

     "CONTROL" or "CONTROLLED BY" means, with respect to a right or license 
granted hereunder, possession by a Party or its Affiliates of the ability to 
grant a license or sublicense or to supply a Product in accordance with the 
terms of this Agreement, and without violating the terms of any agreement by 
such Party with any Third Party.

     "EFFECTIVE DATE" means January 1, 1999.

     "EXECUTION DATE" means the date that this Agreement is signed by the 
last Party to sign below.

     "FDA" means the United States Food and Drug Administration.

     "FUJISAWA LICENSE AGREEMENT" means the Agreement dated September 1, 
1984, as amended heretofore and from time to time hereafter, between Fujisawa 
Pharmaceutical Company, Ltd, a Japanese corporation, and BMS covering the 
license to BMS of certain U.S. and foreign patents covering certain 
monocyclic beta-lactam compounds, including Aztreonam,  starting materials, 
intermediates and manufacturing processes thereof.

     "IND" means an Investigational New Drug application filed with the FDA 
for any Product requesting permission to perform human clinical studies in 
accordance with 21 CFR Part 312, as the same may be amended or supplemented 
from time to time hereafter.

     "INITIAL TRAINING SESSION" has the meaning set forth in Section 4.3.1 
hereof.

     "INTERIM PERIOD" has the meaning set forth in Section 7.3 hereof.

     "INTERIM SERVICES AGREEMENT" means the separate agreement of even date 
herewith (as the same may be amended from time to time hereafter in 
accordance with the terms thereof), under which BMS has agreed to provide 
certain interim services and Product co-promotion services to DURA, as more 
fully set forth therein.

     "KNOW-HOW" means, for each Product, any and all technical data, 
information, material and other know-how currently owned or controlled by BMS 
and its Affiliates or that may hereafter during the relevant Term for such 
Product be owned or controlled by BMS and its Affiliates and which relates to 
preclinical and clinical development, use and marketing of such Product; 
PROVIDED, however, that the foregoing shall not extend to any formulation or 
Manufacturing Know-How (including without limitation manufacturing processes 
and techniques and quality control assays and reference standards) owned or 
controlled by BMS or any of its Affiliates.

                                       3
<PAGE>

     "LAWS" has the meaning set forth in Section 6.5 hereof.

     "MAJOR PHARMACEUTICAL ENTITY" means (i) a Person for whom more than 
fifty percent (50%) of the consolidated gross revenues of such Person and its 
Affiliates are derived, as applicable, from (A) the sale, licensing and/or 
distribution of drug products (whether prescription, generic or over-the 
counter), nutritional agents and medical devices, and (B) the provision of 
drug or device management services (such as a Pharmaceutical Benefits 
Management (PBM) entity), and where such consolidated gross revenues have 
exceeded, in any of the three most recent fiscal years for such Person, One 
Billion Dollars ($1,000,000,000), and (ii) any Affiliate of a Person falling 
within the scope of (i).

     "MANUFACTURING KNOW-HOW" means, for each Product, any and all technical 
data, information, material and other know-how currently owned or controlled 
by BMS and its Affiliates or that may hereafter during the relevant Term for 
such Product be owned or controlled by BMS and its Affiliates and which 
relates to the formulation or manufacture of such Product (including without 
limitation manufacturing processes and techniques, bulk actives, 
intermediates and excipients, and  quality control assays and reference 
standards).

     "MAXIPIME-Registered Trademark- TERM" has the meaning set forth in 
Section 13.1 hereof.

     "NDA" means a New Drug Application or Product License Application for 
any Product, as appropriate, requesting permission to place a drug on the 
market in accordance with 21 CFR Part 314, and all supplements filed pursuant 
to the requirements of the FDA, including all documents, data and other 
information concerning a Product which are necessary for FDA approval to 
market a Product in the  Territory.

     "NET SALES" means, for a given Product for an applicable period, the 
gross amount invoiced for such Product by DURA or its Affiliates to Third 
Parties in the Territory, less the following amounts to the extent deducted 
on such invoice or absorbed by DURA: (i) quantity, trade, and/or cash 
discounts, allowances, rebates, and price adjustments or reductions  allowed 
or given; (ii) credits, rebates, chargebacks, or refunds allowed for 
rejected, outdated or returned Products; and (iii) sales and other excise 
taxes and duties directly related to the sale, to the extent that such items 
are included in the gross invoice price (but not including taxes assessed 
against the income derived from such sale). Deductions shall be determined in 
accordance with Generally Accepted Accounting Principles, consistently 
applied.  If a Product is sold for compensation other than cash, Net Sales 
shall be calculated based on the gross list price of the Product on the date 
of sale in cash.

     Notwithstanding the foregoing, if any Product is sold under a bundled 
arrangement with other products, then, solely for the purpose of calculating 
Net Sales for Other Payment purposes under Section 8.2 hereof, any discount 
or rebate on Products sold under such an arrangement shall not exceed the 
smallest discount or other rebate for any other product included within such 
bundled arrangement for the applicable accounting period.

     "PARTY" means BMS or DURA and, when used in the plural, shall mean BMS 
and DURA.

                                       4
<PAGE>

     "PERSON" means any natural person, corporation, firm, business trust, 
joint venture, association, organization, company, partnership, limited 
liability company, or other business entity, or any government or any agency 
or political subdivision thereof.

     "PRODUCT" means:  (i) any of the products listed on EXHIBIT 1.1A, 
filled, packaged and labeled in accordance with applicable law and the 
applicable Product Registration, including all strengths and packaging 
configurations of the final finished dosage form presentations existing on 
the Execution Date, (ii) and any new products,  dosage forms, or other 
presentations composed of either of the compounds Cefepime Hydrochloride or 
Aztreonam, whether formulated with or without arginine, as may be added to 
this Agreement pursuant to Section 4.8 hereof.

     "PRODUCT CONTRACTS" has the meaning set forth in Section 3.5.

     "PRODUCT REGISTRATIONS" means the approvals or registrations for each 
Product which have been received by BMS in the Territory, including without 
limitation each IND, Drug Master File (DMF), and NDA for each Product.

     "RECALL" has the meaning set forth in Section 6.4 hereof.

     "RELATED AGREEMENTS" means the Supply Agreement and the Interim Services 
Agreement.

     "SALES/MARKETING COMMITTEE" has the meaning set forth in Section 5.1 
hereof.

     "SPECIFICATIONS" for each Product means such specifications for each 
Product as set forth in  EXHIBIT 1.1B, as the same may be changed or 
supplemented by mutual written agreement of the Parties from time to time 
hereafter. 

     "SUPPLY AGREEMENT" means the separate agreement of even date herewith 
(as the same may be amended or supplemented from time to time hereafter in 
accordance with the terms thereof), under which DURA has agreed to purchase 
from BMS, and BMS has agreed to supply to DURA, DURA's entire requirements of 
each Product, for use in the United States only, pursuant to the terms and 
conditions set forth in such separate agreement.

     "TAKEDA LICENSE AGREEMENT" means the Agreement dated May 7, 1991, as 
amended heretofore and from time to time hereafter, between Takeda Chemical 
Industries, Ltd, a Japanese corporation, and BMS covering the license to BMS 
of certain U.S. and foreign patents covering cephalosporins, including 
Cefepime, starting materials, intermediates and manufacturing processes 
thereof.
 
     "TERM", without any other qualification, means the last to expire or 
terminate of the Azactam-Registered Trademark- Term or the 
Maxipime-Registered Trademark- Term, as set forth in Article 13 hereof.  

     "TERRITORY" means all fifty states of the United States of America.  For 
sake of clarity and avoidance of doubt,

                                       5
<PAGE>

Puerto Rico and any U.S. possessions and territories are not part of the 
Territory.

     "THIRD PARTY" means any Person who or which is neither a Party nor an 
Affiliate of a Party.

     "TO THE KNOWLEDGE OF" of a specified entity or any similar term means to 
the actual knowledge of the officers and key employees of the specified 
entity having operating responsibility for the business of such entity.

     "TRADEMARKS" means the trademarks registered by BMS for the marketing of 
the Products in the Territory, as more fully set forth on EXHIBIT 1.1A 
attached hereto.  For sake of clarity and avoidance of doubt, the Trademarks 
do not include any of the names (or variants thereof) of Bristol-Myers Squibb 
Company and any of its Affiliates or any marks customarily associated with 
such names.

2.   RIGHTS AND TRANSFER.

     2.1  GRANT OF DISTRIBUTION RIGHTS.  Subject to the terms and conditions 
of this Agreement, BMS hereby grants to DURA an exclusive (including, except 
as set forth in the Interim Services Agreement, as to BMS) right to 
distribute, market, sell, and promote each Product in the Territory, 
commencing as of the Effective Date, during the applicable Term for such 
Product.  DURA may distribute, market, sell, and promote each Product only in 
the Territory and for use only in accordance with applicable law, each 
Product's labeling, and the applicable Product Registrations for such Product 
in the Territory as the same are in force and effect from time to time during 
the applicable Term for such Product.  DURA may not use, re-export, sell or 
transfer the Products outside the Territory. BMS or its designee shall have 
the right to inspect at  reasonable times, during business hours upon 
reasonable advance notice to DURA, DURA's  Product inventory, its  shipping 
records, and its facilities designated for storage and shipping of Products 
to ensure compliance with the foregoing and with any other terms and 
conditions of this Agreement.

     2.2  GRANT OF TRADEMARK LICENSE.  

          2.2.1     Subject to the terms and conditions of this Agreement, 
BMS hereby grants to DURA the exclusive (including, except as set forth in a 
Related Agreement, even as to BMS) right and license, without the right to 
sublicense, to use the Trademarks during the applicable Term for the Products 
associated with such Trademarks in the Territory solely to the extent 
necessary to distribute, market,  promote and sell Products within the 
Territory in accordance with this Agreement.

          2.2.2     Provided that this Agreement has not been terminated, 
either in whole or, as to a given Product, in part, prior to the end of the 
applicable Term for a given Product, then, at the end of such Term, DURA 
agrees to buy, and BMS agrees to sell, all rights, title and interests owned 
by BMS in and to all Trademarks for such Product in the Territory, for a 
payment of One Hundred Dollars ($100.00).  Nothing in the foregoing shall be 
construed as giving DURA any right or license, express or implied, to use 
such Trademarks outside the Territory for any purpose.

                                       6
<PAGE>

          2.2.3     If, after acquisition of a Trademark in accordance with 
Section 2.2.2, DURA permanently ceases to market a Product in the Territory 
or desires to sell or license a Trademark to a Third Party for use within the 
Territory, then BMS shall have the first right and option, exercisable within 
sixty (60) days following receipt of a written notice from DURA that one of 
the foregoing conditions has occurred, to purchase from DURA all rights, 
title and interests owned by DURA in and to such Trademark in the Territory, 
for a payment of One Hundred Dollars ($100.00).
 
          2.2.4     BMS will book all sales for Product orders received by it 
prior to the Effective Date; DURA will book all sales for Product orders 
received after the Effective Date.

     2.3  NO SUBLICENSING.

          2.3.1     Subject to Section 2.3.2, DURA shall not be entitled to 
sublicense any of the rights granted to it under this Article 2 or to grant 
sub-distribution rights to any Product to any Third Party (including without 
limitation co-promotion rights), without the prior written consent of a 
Vice-President or higher of BMS, to be given or withheld in BMS' sole and 
absolute discretion.  No right or license under any patent rights or know-how 
owned or controlled by BMS or any of its Affiliates to make and/or have made 
any Product or any active ingredient therein is granted under this Agreement 
to DURA. Subject to Section 2.2.3 and provided that this Agreement has not 
been terminated, either in whole or, as to a given Product, in part, prior to 
the end of the Term for a given Product, then, at the end of such Term, the 
restrictions on sublicensing and sub-distribution set forth in this Section 
2.3.1 for the corresponding Product shall expire. 

          2.3.2     DURA shall have the right to sublicense the rights 
granted in this Article 2 to its Affiliates (and to Third Parties where any 
required prior written consent of BMS has been obtained in accordance with 
Section 2.3.1), provided that: (i) DURA hereby unconditionally guarantees, 
and shall be jointly and severally responsible and liable, for the making of 
all payments due and the making of reports under this Agreement by reason of 
sales of any Product by its Affiliates or such approved Third Parties and 
their compliance with all applicable terms of this Agreement; and (ii) each 
Affiliate and such Third Party shall have first agreed in writing with DURA 
and BMS to keep all necessary books and records and to permit BMS to review 
such books and records pursuant to this Agreement and to observe all other 
applicable obligations and terms imposed on DURA under this Agreement in the 
same manner as DURA hereunder.  In the event of a breach by an Affiliate or 
an approved Third Party in the observance of applicable terms of this 
Agreement, BMS shall be entitled to proceed directly against DURA, in 
addition to BMS being entitled to proceed directly or concurrently against 
such Affiliate or Third Party, to enforce this Agreement or to pursue any 
remedies available to it, at law or in equity.  In the event of a termination 
of this Agreement prior to applicable Term for a given Product where DURA has 
sublicensed rights with respect to such Product in accordance with this 
Section 2.3.2, such sublicensee's rights shall terminate at the same time as 
DURA's rights under this Article 2 to such Product shall terminate.

3.   DURA RESPONSIBILITIES. 

                                       7
<PAGE>

     3.1  DILIGENCE.  During the applicable Term for a given Product and 
subject to the terms and conditions of this Agreement, DURA shall use 
commercially reasonable efforts to (i) distribute, market, sell, and promote 
such Product within the Territory and (ii) create and maintain a market for 
and to increase the sales of Products in the Territory.  In the performance 
of such obligations, DURA shall:

     3.1.1     use commercially reasonable efforts to maintain and provide at
               its expense an organization of qualified, professional
               salespersons as set forth in Section 3.2;

     3.1.2     maintain and provide at its expense suitable storage in
               accordance with the Specifications and labeling and other
               appropriate facilities and services reasonably satisfactory to
               BMS, as needed for the storage and continuous sale and
               distribution of Products within the Territory;

     3.1.3     use commercially reasonable efforts to solicit new customers and
               to maintain existing customers for the Products;

     3.1.4     use commercially reasonable efforts to ensure that sufficient
               stock of each Product will be available in its inventory to fill
               orders from the trade in accordance with normal industry
               practices, including maintaining reasonable levels of inventory
               in light of customary industry practice and historical sales
               patterns;

     3.1.5     use commercially reasonable efforts to conduct at its expense
               appropriate promotional activities for the Product sufficient for
               DURA to achieve adequate and reasonably rapid market penetration;

     3.1.6     provide, at its expense, an adequate Product traceability system
               (e.g. lot level traceability, readily accessible format),
               reasonably satisfactory to BMS;

     3.1.7     ensure that its sales force personnel do not make representations
               or claims with respect to the safety, efficacy or uses for a
               Product that are not contained within such Product's applicable
               Product Registration and/or labeling and/or that are not
               permitted by applicable law;

     3.1.8     market and sell Products only on the basis of quality, service,
               price and other legitimate marketing attributes, and without the
               payment of bribes or any similar inducements;

     3.1.9     observe and perform all provisions of this Agreement, and comply
               with all pertinent laws and regulations in force in the
               Territory; and

     3.1.10    use commercially reasonable efforts not to take any action which
               would have a material adverse impact on (i) the commercialization
               of the Products in the Territory or (ii) the then existing
               business

                                       8
<PAGE>

               of BMS, its Affiliates and licensees with respect to the
               Products in other countries of the world (taken as a whole).

     3.2  SALES FORCE.  Except as the Parties may otherwise separately agree 
to in writing, DURA shall be solely responsible for the costs and expenses of 
establishing and maintaining its sales force and conducting its other 
activities under this Agreement and shall have sole authority to control its 
sales force and direct the activities of its sales force.  Although DURA's 
sales force may consist of employees, individual contractors, and individual 
telemarketers, DURA agrees that it will not contract with any Person to 
provide sales force personnel to assist DURA in marketing a Product (and 
whose activities shall be controlled or coordinated by DURA) without the 
prior written consent of BMS (such consent not to be unreasonably withheld 
for any entity that is not a Major Pharmaceutical Company); provided that: 
(i) (A)DURA hereby unconditionally guarantees, and shall be jointly and 
severally responsible and liable, for the compliance by any such Person with 
their compliance with all applicable terms of this Agreement; and (B) each 
such Third Party  shall have first agreed in writing with DURA and BMS to 
keep all necessary books and records and to permit BMS to review such books 
and records pursuant to this Agreement and to observe all other applicable 
obligations and terms imposed on Dura under this Agreement, and (ii) DURA 
does not breach Article 2 of this Agreement in contracting with such entity 
to provide such sales force personnel.  Upon payment by DURA of all amounts 
required to be paid under Article 8 hereof and so long as Article 2 hereof is 
not violated, then DURA shall not thereafter be required to obtain BMS' prior 
written consent as set forth in this paragraph (but shall continue to be 
subject to (i) and (ii) above) with respect to any such Person with which it 
may contract to provide sales force personnel for a Product.

          DURA acknowledges that BMS is not, and shall not be, responsible to 
DURA, to DURA's employees, agents, representatives or contractors, or to any 
governmental entity for any compensation or benefits (including, without 
limitation, vacation and holiday remuneration, health care coverage or 
insurance, life insurance, pension or profit-sharing benefits and disability 
benefits), payroll-related taxes or withholdings, or any governmental charges 
or benefits (including without limitation unemployment and disability 
insurance contributions or benefits and workmen' compensation contributions 
or benefits) that may be payable to, imposed upon, or be related to the 
performance of this Agreement by, DURA's employees, agents, representatives 
or contractors, all of which shall be solely a matter between DURA and such 
Persons and governmental entities.  All such matters of compensation, 
benefits and other terms of employment for any employee, agent, 
representative or contractor used by DURA in the performance of this 
Agreement shall be solely a matter between DURA and such Person(s).

          DURA acknowledges and agrees that any individual employees, agents, 
representatives, contractors or other Persons used by DURA to perform its 
obligations under this Agreement (i) are not employees of Bristol-Myers 
Squibb Company or any of its Affiliates, and that such Persons are not 
eligible to participate in any "employee benefit plans", as such term is 
defined in Section 3(3) of the Employee Retirement Income Security Act of 
1974, as amended ("ERISA"), that are sponsored by BMS or any of its 
Affiliates, and (ii) is, and shall be deemed to have been, engaged solely by 
DURA and not by BMS, even if it is subsequently determined by any court, the 
IRS or any other governmental agency that such individual may be a common law 
employee of BMS or any of its affiliates or subsidiaries.

                                       9
<PAGE>

     3.3  PROMOTIONAL MATERIALS.

          3.3.1     DURA shall be solely responsible for designing, preparing 
and distributing at its sole expense all promotional materials and 
advertisements used in the promotion and marketing of the Products within the 
Territory.  DURA will ensure that such materials and advertisements comply 
with, and DURA will be solely responsible and liable for any failure of such 
materials to comply with, the applicable labeling and Product Registration 
for a given Product and with applicable law and regulations, notwithstanding 
any prior review and/or approval of such materials by BMS and notwithstanding 
that such materials may have been previously reviewed or used by BMS.  DURA 
shall be solely  responsible for submitting all promotional and advertising 
materials prepared by or for it to FDA for review and approval following 
review by BMS and for negotiating with FDA for approvals of such materials; 
PROVIDED, that BMS has submitted to FDA such authorization as may be required 
by law for DURA to submit such promotional and advertising materials (which 
BMS will use commercially reasonable efforts to effect as promptly as 
reasonably practicable after the Effective Date); and PROVIDED, FURTHER, that 
DURA shall promptly inform BMS of the substance of any responses received to 
such materials (and provide a copy of any written responses received from or 
sent to FDA with respect thereto).  DURA shall absorb and be solely 
responsible for any lost profits, lost revenues, damages, losses and costs 
incurred by DURA, its Affiliates, BMS, or any Third Party arising from the 
failure of any promotional materials developed by DURA to comply with the 
applicable labeling and Product Registrations and with applicable law and 
regulations.

          3.3.2     BMS shall provide DURA with all current and available 
advertising and promotional materials used by BMS relating to the Products, 
and shall permit DURA, subject to compliance by DURA with applicable law and 
regulation and to the following paragraph, to adapt and use such materials in 
the Territory in developing new promotional materials (subject to the prior 
written approval of BMS in accordance with Section 3.3.3 of any adapted or 
revised materials, not to be unreasonably withheld, and subject to Section 
3.3.1 and to any copyrights or other rights reserved to BMS, its Affiliates 
and to Third Parties in such materials).

          BMS reserves and retains title and all rights, including copyright 
rights, in and to all written, visual and electronic works and other 
materials (including without limitation training materials, promotion 
materials, brochures and other detail literature) provided by it to DURA 
under this Agreement, as well as any adaptions thereof or "derivative works" 
(as such term is defined in the U.S. Copyright Code, 17 U.S.C. Section 101 
ET. SEQ.) derived or developed by DURA from or with such works and materials. 
 Subject to the foregoing, DURA is granted the nonexclusive right under this 
Section to use, copy, modify, and distribute such materials only in 
furtherance of this Agreement and the rights granted to it hereunder, for the 
applicable Term for a given Product to which such works and materials relate. 
 DURA will ensure that all copyright notices and this permission notice 
appear on all copies of the written materials provided by BMS and all 
adaptations and derivative works thereof.

          3.3.3     All detail brochures and other printed materials, all print,
television, radio, and other media advertising materials, and all training
materials shall be subject to the prior review and written approval of BMS (not

                                       10
<PAGE>

to be unreasonably withheld).  The individual to whom these shall be sent 
will be designated by BMS upon execution of this Agreement and from time to 
time thereafter upon written notice to DURA.  BMS shall have fifteen (15) 
working days from receipt of the material to respond with any objections; and 
if no objections are received, DURA may proceed with its planned use of the 
materials as submitted for approval.  After BMS has achieved a level of 
comfort with DURA's ability to prepare such materials in compliance with 
applicable law and the Product labeling (which the Parties will review 
periodically, but not less often semi-annually), BMS agrees to consider (but 
without any obligation to so agree) mechanisms to limit thereafter the 
materials that need to be reviewed in advance by BMS.

               With respect to any brochures, training materials, or 
promotional or advertising materials (or pertinent portions thereof) 
developed by DURA that compare or position a Product to (or involve Product 
strategy vis-a-vis) BMS' gatifloxacin product or other compounds within 
gatifloxacin's class of compounds, BMS shall designate a single individual 
within its Promotional Compliance or Regulatory Affairs Department to review 
such materials (or the pertinent portions thereof relating to such comparison 
or positioning) and shall use commercially reasonable efforts to limit access 
to such materials (or the pertinent portions thereof relating to such 
comparison or positioning) by individuals within its marketing and sales 
groups (except where review by an individual within such group is necessary 
to ensure compliance by such materials with applicable law and the Product 
labeling).

          3.3.4     During the first two (2) years of this Agreement, DURA 
shall provide BMS, within five (5) working days of transmission, complete 
copies and/or transcripts of all home office generated (for example, those 
sent out by DURA's Sales, Marketing and Sales Training departments) 
communications (whether written, electronic or visual aids) sent to a 
majority of DURA sales representatives concerning the promotion of any 
Product, as well as all written, electronic and visual communications 
provided to a majority of DURA sales representatives regarding Product 
strategy, positioning or selling messages. The individual to whom these shall 
be sent will be designated by BMS upon execution of this Agreement.  
Following such two-year period, DURA shall provide all such transmissions and 
materials to BMS not less frequently than once per calendar quarter.

          3.3.5     DURA shall have strategic responsibility and sole 
authority and responsibility at its expense for conducting and developing 
symposia, seminars, technical and scientific exhibits and other professional 
relations events with respect to the Products within the Territory. 

     3.4  USE OF TRADEMARKS.    Until such time as DURA may have acquired 
ownership of a Trademark pursuant to Section 2.2.2 (at which time, all of the 
obligations set forth below in this Section 3.4 on the part of BMS shall 
become the responsibility of DURA with respect to such Trademark):

          3.4.1     DURA shall use the Trademarks, and no other trademarks, to
promote, sell and distribute the Products within the Territory.  DURA shall be
identified as the distributor of each Product on the Product label as the same
may be required and specified under applicable law, or if applicable law does
not specify how the distributor shall be indicated on a Product's label, then as
determined (including without limitation as to size and placement) by BMS

                                       11
<PAGE>

in consultation with DURA.  The use of the Trademarks by DURA shall be 
subject to the prior review and written approval of BMS as set forth in this 
Section 3.4, which shall not be unreasonably withheld.

          3.4.2     DURA shall permit duly authorized representatives of BMS 
to inspect, on the premises of DURA, at reasonable times during normal 
business hours and on reasonable advance notice, Product inventory, DURA's 
quality control records, and DURA's facilities used in or relating to the 
storage, distribution or sale of the Products to ensure compliance with 
quality control standards and with applicable terms of this Agreement 
pertaining to the use of the Trademarks.

          3.4.3     Whenever DURA uses the Trademarks in advertising or in 
any other manner in connection with the Product, DURA shall clearly indicate 
BMS's ownership of the Trademarks.  DURA shall provide to a person designated 
by BMS samples of all literature and advertising using the Trademarks 
prepared by or for DURA and intended to be used by DURA, for approval of such 
use by BMS (which consent shall not be unreasonably withheld).  If no 
objection is received from BMS within 15 business days of receipt by BMS of 
such samples, DURA may use the Trademarks in the manner used in the samples 
submitted to BMS for approval. When using the Trademarks under this 
Agreement, DURA undertakes to comply with all laws pertaining to Trademarks 
in force at any time in the Territory.

          3.4.4     If applicable law permits, BMS shall make an application 
to register DURA as a Permitted User or Registered User of the Trademarks 
and, if necessary, or if requested by BMS, DURA undertakes to join in such 
application and to take such action as may be necessary or requested by BMS 
to implement such application or retain, enforce or defend the Trademarks.

          3.4.5     DURA acknowledges that BMS is the owner of the 
Trademarks. DURA shall not at any time do, cause to be done, or permit any 
act or thing inconsistent with, contesting or in any way impairing or tending 
to impair such ownership.  DURA agrees that all use of the Trademarks by DURA 
shall inure to the benefit of and be on behalf of BMS.  DURA acknowledges 
that nothing in this Agreement shall give DURA any right, title or interest 
in the Trademarks other than the right to use the Trademarks within the 
Territory in accordance with this Agreement.  DURA agrees that it will not 
challenge the title or ownership of BMS to the Trademarks or attack or 
contest the validity of the Trademarks. All goodwill accruing to the 
Trademarks as a result of the use of the Trademarks in the performance of 
this Agreement shall belong solely to BMS.

     3.5  CONTRACT ASSUMPTION. 

          3.5.1     BMS will provide to DURA, either before or promptly
following the Execution Date, subject to any confidentiality obligations it may
have to Third Parties, a copy of all written agreements as of the Execution Date
between BMS (or any of its Affiliates) and a Third Party specifically relating
to the supply of Products, and only the Products, to such Third Party within the
Territory ("PRODUCT CONTRACTS").  All such contracts represent Confidential
Information of BMS.  To the extent transferable or assignable, and subject to
any required consents of Third Parties, all

                                       12
<PAGE>

rights, interests, covenants, and obligations of BMS or any of its Affiliates 
in and under such Product Contracts, as the same shall be in force and effect 
as of the Effective Date, shall be assigned by BMS (or such BMS Affiliate, as 
applicable) to DURA and DURA shall accept such assignment and assume all 
rights, interests, covenants, and obligations of BMS thereunder thereafter, 
except: (i) to the extent that (A) such rights, interests and obligations 
shall have accrued prior to the Effective Date (in which event such rights, 
interests and obligations shall remain with BMS), or (B) such rights, 
interests, covenants and obligations relate to any liability or obligation 
which DURA is not assuming or agreeing to perform under this Agreement, or 
(ii) as provided in the Interim Services Agreement.

          DURA acknowledges that certain Product Contracts may require 
consents to the assignment thereof to DURA.  Each Party will use commercially 
reasonably efforts, and will cooperate with the other, to obtain such 
consents under such Product Contracts as expeditiously as reasonably 
practicable, such consents to be effective, where possible, as of the 
Effective Date.  DURA agrees that the failure to obtain any such consent as 
of the Effective Date or any resulting breach under any such Product Contract 
by reason of the execution and performance of this Agreement by BMS and DURA 
shall not constitute a breach of this Agreement.   BMS shall use its 
commercially reasonable efforts to provide to DURA the benefits from the sale 
of Products under such Product Contracts from and after the Effective Date 
for orders received after the Effective Date, and, to the extent that BMS 
receives such benefits after the Effective Date, BMS shall, subject to 
Section 7.1.2 hereof and any applicable terms of the Interim Services 
Agreement,  pay to DURA the net amount BMS receives from the sale of any 
Product under any Product Contracts (based on the amount received by BMS with 
respect to such sales of such Product and, except where otherwise specified 
in the Interim Services Agreement,  such reasonable costs as are allocated by 
BMS to its efforts on behalf of DURA with respect to such Product Contract 
and Product in accordance with BMS' normal accounting practices) until such 
time as DURA enters into an agreement with such customer for the sale by it 
of any such Product to such customer in lieu of such Product Contract.  In 
the event that a Product Contract requires that BMS pay an administrative or 
marketing fee, or make any other payment (or grant any discounts), to such 
Third Party on account of such Product Contract with respect to the services 
provided by such Third Party, or, in cases where the Product Contract sets 
the pricing for certain institutions that are part of such Third Party's 
purchasing group, with respect to the volume level of purchases achieved by 
such participating institutions, then DURA shall be responsible for all such 
payments or discounts to be made or granted for such administrative and other 
services provided by such Third Party after the Effective Date (and which, if 
paid by BMS because such Product Contract is not immediately assignable on 
the Effective Date, will be reimbursed by DURA to BMS or deducted by BMS from 
the net amount payable to DURA hereunder with respect to such Product 
Contract).

               Nothing in this Section 3.5.1 shall require DURA to assume, 
and DURA does not assume, any obligation or liability under any such Product 
Contract with respect to the manufacture of a given Product.
 
          3.5.2     DURA acknowledges that BMS possesses certain written
agreements as of the Execution Date between BMS (or any of its Affiliates) and a
Third Party that cover both the supply of one or more Products, as well as other
BMS products, to such Third Party within the Territory ("BUNDLED CONTRACTS"). 
Subject to Section 3.5.3, such contracts will not be assigned to DURA.  EXHIBIT
3.6.2 sets forth a listing of such contracts, to the extent known by BMS' 

                                       13
<PAGE>

Office of Pricing Administration as of the day before the Execution Date.  
BMS shall use its commercially reasonable efforts to provide to DURA the 
benefits from the sale of Products under such Bundled Contracts from and 
after the Effective Date for orders received by BMS after the Effective Date, 
and, to the extent that BMS receives such benefits after the Effective Date, 
BMS shall, subject to Section 7.1.2 hereof and any applicable terms of the 
Interim Services Agreement,  pay to DURA the net amount BMS receives from 
such sale of any Product under any Bundled Contracts (based on the amount 
received by BMS with respect to sales of such Product and, except where 
otherwise specified in the Interim Services Agreement, such reasonable costs 
as are allocated by BMS to its efforts on behalf of DURA with respect to such 
Bundled Contract and Product in accordance with BMS' normal accounting 
practices) until such time as DURA enters into an agreement with such 
customer for the sale by it of any such Product to such customer in lieu of 
such Bundled Contract.  In the event that a Bundled Contract requires that 
BMS pay an administrative or marketing fee, or make any other payment (or 
grant discounts), to such Third Party on account of such Bundled Contract 
with respect to the services provided by such Third Party, or, in cases where 
the Bundled Contract sets the pricing for certain institutions that are part 
of such Third Party's purchasing group with respect to the volume level of 
purchases achieved by such participating institutions, then DURA shall be 
responsible for all such payments or discounts to be made or granted for such 
administrative and other services provided by such Third Party after the 
Effective Date with respect to the Products only (and which, if paid by BMS 
because such Bundled Contract is not immediately assignable on the Effective 
Date, will be reimbursed by DURA to BMS or deducted by BMS from the net 
amount payable to DURA hereunder with respect to such Bundled Contract).

          3.5.3     DURA and BMS acknowledge that certain regulatory 
requirements for Product Contracts with governmental agencies and 
instrumentalities do not permit DURA, even though it may be entitled to ship 
Products under such contract to such customer, to bill such customers for 
Product shipped to such customer by DURA until DURA is approved in accordance 
with applicable procedure for such governmental agency or instrumentality as 
a distributor of the Product.  In such event, BMS shall bill such customers 
on behalf of DURA at the price and terms agreed to by DURA.  BMS shall, 
subject to Section 7.1.2 hereof and any applicable terms of the Interim 
Services Agreement, pay to DURA the net amount BMS receives from the sale of 
any such Product (based on the amount received by BMS with respect to sales 
of such Product and such reasonable costs as are allocated by BMS to its 
efforts on behalf of DURA with respect to such Contract and Product in 
accordance with BMS' normal accounting practices) until such time as DURA is 
approved as a distributor by such governmental agency or authority and is 
able to bill such entity directly.  DURA shall use commercially reasonable 
efforts to obtain such approval as expeditiously as reasonably practicable, 
and BMS will reasonably cooperate with DURA in connection therewith.
   
          3.5.4     BMS and Dura shall cooperate with each other in notifying 
all customers and other interested Third Parties who have a need to know of 
the consummation of the transactions contemplated by this Agreement.
 
          3.5.5     DURA and BMS shall reasonably cooperate to obtain all
necessary governmental approvals and to revise, redesign, and prepare all
necessary packaging and labels in accordance with applicable law and this

                                       14
<PAGE>


Agreement so that DURA's NDC number may appear on all Product sold by it as
expeditiously as reasonably practicable after receipt of all such approvals.

          3.5.6     DURA and BMS acknowledge that certain Product Contracts 
and/or Bundled Contracts may require that future pricing under such contracts 
for a given Product are based on market share/penetration obtained by the 
contractee for such Product.  Except as may be provided in the Interim 
Services Agreement, DURA shall be responsible after the Effective Date for 
obtaining, and for the cost of obtaining, all market share data, including 
IMS America data where required by such contracts.
 
     3.6  NONCOMPETE.  * DURA and its Affiliates shall not market, promote, 
distribute, or sell any injectable (i.v. or i.m.) cephalosporin antibiotic 
product other than Maxipime-Registered Trademark- or any injectable (i.v. or 
i.m.) monobactam product other than Azactam-Registered Trademark- without the 
prior written consent of BMS; PROVIDED, that (i) the foregoing shall not 
prevent DURA from acquiring, or being acquired by, a company that is actively 
developing (i.e., in Phase II studies or later), marketing promoting, or 
distributing any such product; and (ii) where DURA can clearly and 
convincingly demonstrate that the marketing, promotion, distribution or sale 
of any such product will not materially cannibalize sales from, and otherwise 
will not have the effect of preventing DURA from maximizing sales of, any 
Product, then BMS agrees not to unreasonably withhold its consent to the 
marketing, promotion, distribution, and sale of such product.

     3.7  COMPLIANCE WITH BAXTER SUPPLY AGREEMENT.  In order to ensure 
compliance by BMS with the terms of the Baxter Supply Agreement, DURA agrees, 
during the term of the Baxter Supply Agreement, that it will comply with any 
obligations imposed upon BMS under such agreement that can only be met by 
DURA following the Effective Date as the distributor and marketer of the 
Product, including but not limited to:

          3.7.1     DURA will not market a frozen or premixed presentation of 
any Azactam-Registered Trademark- Product within the Territory other than one 
manufactured for BMS by Baxter under the terms of the Baxter Supply 
Agreement; and

          3.7.2     DURA will use, in addition to any other obligations 
imposed upon it hereunder, its best efforts to market the Azactam-Registered 
Trademark-Products in the Territory and reasonably cooperate with Baxter to 
support and facilitate the sale of such Products.

     3.8  COMPLIANCE WITH ABBOTT LICENSE AGREEMENT.  In order to ensure 
compliance by BMS with the terms of the Abbott License Agreement, DURA 
agrees, during the term of the Abbott License Agreement, that it will comply 
with any obligations imposed upon BMS under such agreement that can only be 
met by DURA following the Effective Date as the distributor and marketer of 
each Product covered by the license rights granted under such Agreement, 
including but not limited to:

          3.8.1     DURA will share non-confidential, NDA-related information
with Abbott so that the NDA

                                       15

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

submissions by Abbott for its Add-Vantage Vials can be supported by Abbott; 
and

          3.8.2     DURA will share pertinent market research information 
associated with the ADD-Vantage System (including but not limited to focus 
group studies, quantitative market surveys, time and motion pharmacy studies 
and drug waste studies), excluding, however, any market research data 
relating to (i) information or data obtained by DURA from Third Parties which 
is subject to a confidential commitment which prohibits disclosure to Abbott 
and (ii) pricing or market research data, the disclosure of which either 
Party in good faith believes would violate applicable law.

     3.9  RESALE OF PRODUCT IN SAME PACKAGING.  DURA shall not alter in any 
manner each Product or its packaging as sold to it by BMS and shall resell 
each Product without alteration in the form sold to it by BMS. 

4.   BMS RESPONSIBILITIES.

     4.1  SUPPLY OF PRODUCT.  In order to ensure the quality of the Products 
to be sold by DURA under the Trademarks, DURA shall purchase, and BMS shall 
supply to DURA, subject to the terms and conditions as set forth in the 
Supply Agreement.  DURA's requirements of the Product(s) for marketing, sale 
and distribution by DURA in the Territory during the applicable Term for such 
Product.  All Products supplied to DURA shall be in finished dosage form, 
filled, labeled, and packaged for commercial sale in accordance with 
applicable law and the applicable Product Registrations in the Territory and 
in accordance with the terms of this Agreement and any Related Agreement.

     4.2  RETENTION OF REGISTRATIONAL DOSSIER.

          4.2.1     BMS shall retain all rights, title and interests in and 
to the Product Registrations for each Product in the Territory.  DURA shall 
not at any time do, cause to be done, or omit or permit any act inconsistent 
with the Product Registration for any Product in the Territory.  In the event 
that any filings are required to be made with or approvals required to be 
obtained from applicable regulatory authorities in order to sell a Product to 
DURA or for DURA to initiate marketing and sale of a Product in the 
Territory, the Parties shall cooperate fully to ensure that such filings and 
approvals are obtained or made as expeditiously as reasonably practicable.

          4.2.2     BMS shall have sole responsibility  for maintaining, and
shall use commercially reasonable efforts to maintain, the Product Registrations
in the Territory at its expense, including without limitation filing IND and NDA
Annual Reports.  BMS shall keep DURA informed on a timely basis as to any
developments that would have a material adverse effect on a Product
Registration.  Subject to such limitations as BMS may have under the Abbott
License Agreement and the Baxter Supply Agreement with respect to access to and
disclosure of information contained in the product registrations filed by such
Third Parties with respect to their plastic container systems used in the
manufacture of a Product, BMS shall provide DURA, upon request after reasonable
notice from DURA, with access to copies of all filings submitted by BMS to the
NDA for each Product (other than to the CMC section) and, with respect to
clinical trials for the Products sponsored by BMS that are included in the NDA
for a given Product, copies of the

                                       16
<PAGE>

Application Summary for such Product, which provides a comprehensive summary 
of all clinical trials conducted under the NDA for such Product.  Nothing set 
forth herein shall permit DURA to photocopy or otherwise make a reproduction 
of the NDAs without the prior written consent of a Vice President of BMS.  
DURA shall cooperate with BMS with respect to obtaining and/or maintaining 
the Product Registrations, and shall execute, acknowledge and deliver such 
further instruments at BMS' request and expense, and use commercially 
reasonable efforts to do all such other acts, as promptly as possible, which 
may be necessary or appropriate to obtain and maintain the Product 
Registrations in the Territory.  DURA shall, on a timely basis, provide to 
BMS all information that DURA has from time to time during the applicable 
Term for each Product that BMS does not have that is reasonably necessary and 
relevant to BMS's obligations hereunder to fulfill such Product Registration 
maintenance requirements (including, but not limited to, providing sales 
distribution information concerning the Products), and shall otherwise 
cooperate with BMS as reasonably necessary in connection therewith.  BMS 
shall have the final decision-making authority in every case on whether and 
how to supplement, amend or otherwise alter the Product Registrations and any 
other issues in connection with such Product Registrations (including, but 
not limited to, decisions to recall the Products) and on whether and how to 
communicate with the FDA and other applicable governmental agencies or 
authorities in connection therewith; PROVIDED, that BMS will not, except 
where required by, or to fulfill its obligations under, applicable law or 
except where required by a governmental agency or authority acting within the 
scope of its authority, supplement, amend or otherwise alter a Product 
Registration so as to materially and adversely alter the rights granted to 
DURA hereunder that are derived from such Product Registration.

          4.2.3      BMS shall provide DURA with reasonable written notice 
of, and DURA shall be entitled to be present at, all meetings with the FDA 
with respect to any Product (other than meetings and audits pertaining to 
manufacturing processes and manufacturing issues), provided that such 
participation does not result in any undue delay or interfere with BMS' 
relationship with FDA.

          4.2.4     BMS and Dura each shall make its facilities available at 
reasonable times during business hours for inspection by representatives of 
governmental agencies.  BMS and Dura each shall notify the other within 
twenty-four (24) hours of receipt of any notice or any other indication 
whatsoever of any FDA or other governmental agency inspection, investigation 
or other inquiry, or other material governmental notice or communication of 
any type, involving the sale, manufacture, or use of the Products within the 
Territory.  Dura and BMS shall cooperate with each other during any such 
inspection, investigation or other inquiry including, but not limited to, 
allowing upon request a representative of the other to be present during the 
applicable portions of any such inspection, investigation or other inquiry 
and providing copies of all relevant documents (it being understood that BMS 
shall not be required to provide Dura with, and shall be entitled to redact 
from any writing, any information relating to Manufacturing Know-How and that 
DURA shall not be entitled to be present at inspections that would involve 
access to or disclosure of BMS Manufacturing Know-How).  Dura and BMS shall 
discuss any response to observations or notifications received in connection 
with any such inspection, investigation or other inquiry and each shall give 
the other an opportunity to comment upon any proposed response before it is 
made.  In the event of disagreement concerning the form or content of such 
response, however, BMS shall be responsible for deciding the appropriate form 
and content of any response with

                                       17
<PAGE>

respect to any of its cited activities and Dura shall be responsible for 
deciding the appropriate form and content of any response with respect to any 
of its cited activities.  DURA will provide BMS with copies of all 
correspondence received by it from, or filed by it with, any federal, state 
or local regulatory authority to the extent pertaining to each Product and/or 
its distribution, promotion, or sale in the Territory.

          4.2.5     All Product sold after the Effective Date will be sold 
under a BMS label, whereby the Product will be identified as a BMS Product 
with DURA identified as the distributor thereof (except for Product supplied 
pursuant to the Baxter Supply Agreement, under which Baxter will be indicated 
as the manufacturer).  BMS shall control all package inserts and labeling 
(and any changes or supplements thereto) for each Product in the Territory, 
and shall have the responsibility at its expense for securing any approvals 
required by FDA to any such changes or supplements thereto (except for 
Product supplied under the Baxter Supply Agreement to the extent Baxter 
retains any such responsibility).  DURA shall not at any time do, cause to be 
done, or omit or permit any act inconsistent with the then existing package 
inserts and labeling for any Product in the Territory.  In the event that any 
filings are required to be made with or approvals required to be obtained 
from applicable regulatory authorities in order to change or supplement the 
package inserts and labeling, BMS shall have the sole right and discretion on 
how to effect such changes at BMS' expense (and Baxter shall have such right, 
to the extent it retains same under the Baxter Supply Agreement, to effect 
such changes, at DURA's or Baxter's expense, as provided in said Baxter 
Supply Agreement).  BMS shall consult with DURA with respect to any such 
changes or supplements to the label for any Product, and DURA shall cooperate 
fully with BMS with respect to any actions or decisions taken or made by BMS 
with respect thereto; PROVIDED, that BMS will not, except where required by, 
or to fulfill its obligations under, applicable law or except where required 
by a governmental agency or authority acting within the scope of its 
authority, supplement, amend or otherwise alter a Product's package insert or 
labeling so as to materially and adversely alter the rights granted to DURA 
hereunder that are derived from such Product's package insert and/or labeling.

          4.2.6     Subject to the terms and conditions of this Agreement and 
any Related Agreement, BMS will consider in good faith proposals (including 
without limitation new delivery systems) by DURA to maximize sales of the 
Products (but without any obligation, express or implied, on BMS' part to 
agree to same).  Nothing in this Agreement shall require BMS, expressly or 
impliedly, to participate in or agree to participate in such proposal put 
forth by DURA for maximizing sales of the Products without BMS' prior written 
consent (to be given or withheld in BMS' sole and absolute discretion).

     4.3  TRAINING OF DURA SALES FORCE.

          4.3.1     The Parties intend that BMS will provide DURA's sales force
with the same or substantially similar training with respect to promotion of the
Products as has been given traditionally to BMS's sales force in the Territory
(it being understood that such training shall be specific to each Product itself
and its uses, as opposed to general sales skills training).  BMS and DURA will
hold * training sessions ("INITIAL TRAINING SESSIONS") for the DURA
sales force, which shall be held on * mutually convenient dates within twelve
(12) months after the Effective Date of

                                       18

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

this Agreement, and which will be held at a location mutually acceptable to 
BMS and DURA.  The Sales/Marketing Committee will determine the content of 
each such Initial Training Session, and shall review the Product-related 
training materials and make recommendations for any revisions and updates 
thereto as the Committee may deem appropriate; PROVIDED, that BMS shall 
determine and be solely responsible for the content, development, and 
associated cost of all training materials. All members of the DURA sales 
force (including management and representatives) shall attend a 
Product-related training program, whether as part of an Initial Training 
Session or a subsequent training program conducted by DURA or BMS.  DURA 
shall bear the full cost and expense of all of its sales force and other 
personnel who attend a Product-related training program, without contribution 
from BMS.  BMS shall bear the costs and expenses of its training personnel 
provided for the Initial Training Sessions.  DURA shall reimburse BMS for any 
out-of-pocket costs incurred by BMS for any subsequent training programs for 
which participation by BMS personnel has been requested by DURA and approved 
by BMS.

          4.3.2     Training of DURA sales representatives and other 
personnel following the * Training Sessions shall be the responsibility of 
DURA and at its cost and expense.  The contents of any training provided by 
DURA that relates to the Products shall be coordinated by DURA (subject to 
BMS' prior review and prior written approval of such training materials in 
the same manner as, and subject to the same terms and conditions as, BMS 
reviews and approves promotional materials pursuant to Section 3.3).  From 
time to time as training materials for the Products may be revised by either 
Party (the timing and content of which shall be determined by a Party in the 
exercise of its sole and absolute discretion or as mandated by regulatory 
agencies), such Party will make such training materials available to the 
other Party and its Affiliates for its own internal training use thereafter.

     4.4  PROSECUTION AND MAINTENANCE OF PATENTS AND TRADEMARKS.  Until such 
time as DURA may have acquired ownership of a Trademark pursuant to Section 
2.2.2 (at which time, all of the obligations set forth in Sections 4.4.1 and 
4.4.2 below on the part of BMS shall become the responsibility of DURA with 
respect to such Trademark):

          4.4.1     BMS shall use commercially reasonable efforts to register 
and maintain, or cause to be registered and maintained, at its cost and 
expense, the Trademarks in the Territory during the Term of this Agreement. 
If DURA learns of any unauthorized use of the Trademarks by others in the 
Territory, DURA agrees to promptly notify BMS of such unauthorized use.

          4.4.2     BMS shall use commercially reasonable efforts to 
prosecute and maintain, at its cost and expense, any patent rights covering 
the composition, formulation, and use of a Product in the Territory during 
the applicable Term for such Product.  In the event that any extension, 
registration, confirmation, reissue, renewal, reexamination or 
continuation-in-part is to be filed with respect to any such patent within 
the Territory, BMS shall provide DURA with the opportunity to review such 
extension, registration, confirmation, reissue, renewal, reexamination or 
continuation-in-part and provide input thereto.

          4.4.3     Notwithstanding any other provision of this Agreement that
may imply or provide to the

                                       19

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

contrary, BMS shall have the sole right, but not the obligation, at its sole 
discretion and expense, to prosecute, maintain, enforce, defend or abandon 
any patent rights and know-how owned or controlled by BMS covering the 
manufacture of a Product, except that BMS shall use commercially reasonable 
efforts to maintain, at its cost and expense, its rights under the patent 
rights, know-how, and/or trademarks licensed to it under (i) the Takeda 
License Agreement, (ii)  the Fujisawa License Agreement, and (iii) the Abbott 
License Agreement.  DURA understands and accepts that Takeda, Fujisawa, and 
Abbott are entitled in their sole and absolute discretion to prosecute, 
maintain, enforce, defend or abandon (or license to Third Parties, to the 
extent same is nonexclusively licensed to BMS) any patent rights, trademarks, 
and/or know-how licensed by any of them to BMS under the Takeda License 
Agreement, the Fujisawa License Agreement and/or the Abbott License 
Agreement, as applicable. The foregoing shall not require BMS to grant 
additional rights or to provide any additional consideration to Takeda, 
Fujisawa  or Abbott, as the case may be, beyond that which BMS is obligated 
to pay or provide under the terms of the current applicable agreement.

          4.4.4     Notwithstanding any provision of this Agreement that may 
imply or provide to the contrary,  BMS shall have the sole right, but not the 
obligation, at its sole discretion and expense, to  maintain and enforce any 
contract entered into by BMS covering the supply of any compounds, 
intermediates, biomaterials, packaging components, containers and other 
materials used in the manufacture of a Product, except that BMS shall use 
commercially reasonable efforts to maintain, at its cost and expense, the 
supply of premixed, frozen Azactam-Registered Trademark- Product under the 
Baxter Supply Agreement.  DURA understands and accepts that Baxter is 
entitled in its sole and absolute discretion to prosecute, maintain, enforce, 
defend or abandon (or license to Third Parties, to the extent same is 
nonexclusively licensed to BMS) any patent rights, trademarks, and/or 
know-how licensed by Baxter to BMS under the Baxter Supply Agreement, or 
which Baxter may own or control with respect to the supply of any plastic 
container or other component used by Baxter in making the premixed, frozen 
presentation of the Azactam-Registered Trademark-Product.  The foregoing 
shall not require BMS to extend such Baxter Supply Agreement, to grant 
additional rights to Baxter, or to provide any additional consideration to 
Baxter beyond that which BMS is obligated to pay or provide under the terms 
of the current applicable agreement.

     4.5  NO RESTRICTION ON BMS BUSINESS.  Nothing in this Agreement is 
intended to limit or restrict BMS or its Affiliates in any way, expressly or 
impliedly, from marketing during the applicable Term for a Product any 
product that is competitive with a Product, other than a product containing 
Cefepime Hydrochloride or Aztreonam.  Except to the extent provided in 
Section 4.6, nothing in this Agreement  is intended to limit or restrict BMS 
or its Affiliates in any way, expressly or impliedly, from developing during 
the Term of this Agreement or any Related Agreement any product that is 
competitive with a Product, including without limitation any product 
containing Cefepime Hydrochloride or Aztreonam for commercial sale as a 
generic product following expiration of the applicable Term for such Product.

     4.6  NO DIRECT COUNTERDETAILING.  BMS will instruct its sales force 
personnel not to, and will use commercially reasonable efforts to ensure that 
its promotional materials do not, counterdetail or promote * directly and 
specifically against any Product for a period of * years following the 
Effective Date (after which date such restriction shall lapse).  It is 
understood and agreed that the foregoing restriction does not,

                                       20

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

and shall not be construed to, prevent BMS from counterdetailing or promoting 
* directly and generally against products within the class of compounds of 
which a Product is part.     

          In the event that both Parties desire for BMS to extend its 
co-promotion efforts under the Interim Services Agreement beyond the one-year 
term provided for therein, then the Parties agree to discuss in good faith 
whether the term set forth in the preceding paragraph should be extended by 
the same period of such co-promotion extension.

     4.7  TAKEDA LICENSE.  Under the Takeda License Agreement, BMS' license 
rights to exclusively use the patents licensed to it thereunder in the 
manufacture of Cefepime Hydrochloride are converted to nonexclusive rights 
after April 30,2002.  It is understood that BMS is under no obligation, 
express or implied, to negotiate or reach any such agreement) for the 
extension of exclusive rights under such patents for the manufacture and use 
of Cefepime Hydrochloride within the Territory for the period after April  
30, 2002 and extending beyond the applicable Maxipime-Registered Trademark- 
Term, although at DURA's written request prior to January 1, 2000, BMS agrees 
to approach Takeda to determine the terms of any such extension of 
exclusivity under such Takeda patent rights within the Territory (it being 
understood that BMS may also approach Takeda on its own to determine the 
terms of any such extension within and/or outside the Territory).  In the 
event that BMS is able to reach tentative, non-binding agreement with Takeda 
as to the terms of any such extension of exclusivity under such Takeda patent 
rights within the Territory, then BMS shall notify DURA in writing of the 
terms of such tentative agreement with respect to the Territory (which 
tentative terms shall be kept in confidence by DURA).  Such Notice shall also 
include the additional costs, fees and other compensation payable by BMS to 
Takeda that BMS would expect DURA to bear and any compensation requested by 
BMS for obtaining an extension in the Territory.  DURA shall have thirty (30) 
days thereafter in which to notify BMS in writing ("Notice") as to whether 
DURA would like BMS to pursue a binding agreement with Takeda for such 
extension of exclusivity under such Takeda patent rights within the 
Territory.   If DURA fails to so notify BMS within such 30-day period, BMS 
shall have no obligation thereafter, express or implied, under this Agreement 
or any Related Agreement to negotiate any such extension of exclusivity under 
the Takeda patent rights within the Territory following April 30, 2002.

          If DURA timely provides a Notice to BMS, BMS shall use commercially 
reasonable efforts to conclude a binding agreement with Takeda for the 
extension of exclusivity under the Takeda patent rights within the Territory 
following April 30, 2002 and beyond the Maxipime-Registered Trademark- Term, 
subject to the following:  BMS shall not be obligated in any way to enter 
into a binding agreement with Takeda for such extension of exclusivity under 
such Takeda patent rights within the Territory beyond April 30, 2002, unless 
and until BMS and DURA shall have first agreed in writing: (i) that DURA will 
pay or reimburse BMS for all additional costs, royalties, fees and other 
compensation payable by BMS to Takeda (and that were disclosed by BMS to 
DURA) under the Takeda License Agreement with respect to the use of the 
licensed rights within the Territory that BMS would not otherwise have been 
required to pay under the then existing Takeda License Agreement, and (ii) 
upon such additional compensation as the Parties may mutually agree to in 
writing that DURA will pay to BMS with respect to the period of time that 
generic competition does not enter the market within the Territory following 
the  Maxipime-Registered Trademark- Term as a result of such extension of 
exclusivity under the Takeda

                                       21

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

patent rights beyond the Maxipime-Registered Trademark- Term.

          Nothing herein shall limit BMS' ability or right to secure an 
extension of such Takeda patent rights outside the Territory, as BMS may 
determine in its sole discretion.

     4.8  NO OBLIGATION TO DEVELOP NEW FORMULATIONS; CONVERSION TO DRY POWDER 
FOR AZACTAM-Registered Trademark-.

          4.8.1     BMS shall have no obligation, express or implied, to 
develop new formulations, dosages, forms of administration, or preparations 
for the Product, other than those in effect as of the Effective Date.

          4.8.2     DURA acknowledges and accepts that BMS may, at BMS' 
discretion and expense, pursue or conduct such studies as are necessary to 
convert Azactam-Registered Trademark- (other than the frozen, premixed 
presentation prepared by Baxter) from a lyophilized product to a crystalline, 
sterile dry powder fill product.  BMS shall be responsible for making any 
regulatory filings and conducting any studies as are necessary, at its 
expense, to obtain regulatory approval for such dry powder fill product for 
Azactam-Registered Trademark-.  Upon receipt of all regulatory approvals 
needed to manufacture and market a dry powder fill product for 
Azactam-Registered Trademark-, such product shall replace the lyophilized 
Azactam-Registered Trademark- product as set forth in the Exhibits attached 
to this Agreement and to any Related Agreement.

     4.9  ORANGE BOOK UPDATE.  BMS will use commercially reasonable efforts 
at its expense to correct the Orange Book listing with FDA for 
Azactam-Registered Trademark- to reflect that the formulation currently sold 
by BMS includes arginine in the formulation as promptly as reasonably 
practicable following the Execution Date.  If any new formulations for a 
Product are developed by BMS and BMS has received all necessary regulatory 
approvals for the manufacture and marketing of same, BMS will  commercially 
reasonable efforts at its expense to update the Orange Book listing with FDA 
to reflect the change in formulation for such Product as promptly as 
reasonably practicable after receipt of all such necessary approvals.  Except 
as provided in the preceding two sentences, the Parties will cooperate and 
appropriately allocate responsibilities for the purpose of making any 
semi-annual updates to the Orange Book.

     4.10 PHYSICIAN DESK REFERENCE (PDR).  DURA will be responsible after the 
Effective Date at its expense for all updates and corrections to the 
Physician Desk Reference with respect to each Product (and shall list the 
Product under DURA's name in the PDR), subject to prior review and approval 
by BMS (not to be unreasonably withheld).  BMS will reasonably cooperate with 
DURA in connection therewith.

     4.11 USP MONOGRAPH.  BMS shall not update the USP Monograph (or the 
Standards and Specifications contained therein) for a Product without the 
prior written consent of DURA, nor shall BMS be obligated to update the USP 
Monograph (or the Standards and Specifications contained therein) for a 
Product except as DURA and BMS may mutually agree.  If the Parties shall have 
agreed upon a revision to be proposed to the USP Monograph, BMS shall be

                                       22
<PAGE>

responsible for coordinating same, and shall use commercially reasonable 
efforts to effect such revision.  DURA will reimburse BMS for any reasonable 
costs and expenses incurred by BMS in using commercially reasonable efforts 
to effect such revision.

     4.12 NO AMENDMENTS WITHOUT CONSENT.  BMS agrees not to amend the Abbott 
License Agreement, the Baxter Supply Agreement, the Fujisawa License 
Agreement or the Takeda License Agreement in any manner that would materially 
and adversely affect the rights of Dura within the Territory under this 
Agreement or a Related Agreement, without the prior written consent of DURA 
(not to be unreasonably withheld).   The foregoing shall not apply to such 
changes, if any, that BMS and the party to such other agreement may be 
required to make in order to comply with applicable law or the labeling for a 
given Product.

5.   JOINT COMMITTEES.

     5.1  SALES/MARKETING COMMITTEE.

          5.1.1     A marketing committee for each Product will be 
established promptly by BMS and DURA after execution of this Agreement (such 
committee being referred to herein as the "SALES/MARKETING COMMITTEE").  The 
principal purpose of the Sales/Marketing Committee shall be to create a forum 
for enabling the Parties to coordinate, as appropriate, their respective 
marketing strategies in an effort to maximize global sales of the Products.  
In furtherance of such goal, each Party will consider in good faith (but 
without any obligation to agree or participate), where appropriate and upon 
presentation by the other Party, coordination and/or support of specific 
marketing initiatives (such as the development of joint promotional programs) 
by either or both Parties to build and maximize the global market for each 
Product.  Any sharing of costs or dedication of personnel to such coordinated 
efforts shall require the unanimous written approval of all members of the 
Sales/Marketing Committee, and any proposal made by a Party that would result 
in costs incurred by the other Party shall be subject to prior written 
approval of all members appointed by the other Party  to the Sales/Marketing 
Committee.

          The Sales/Marketing Committee shall also be a forum for (i) 
discussing revisions to, and the preparation of any new, materials directly 
related to each Product that are to be used to train the Party's respective 
sales forces; (ii) discussion of symposia, seminars and other professional 
relations events of specific interest to customers; (iii) discussion of the 
design and implementation of programs to encourage and improve cooperation  
between BMS and DURA with respect to maximizing sales of the Product; and 
(iv) performing such duties as are assigned to it under the Interim Services 
Agreement..

          5.1.2     The Sales/Marketing Committee shall be composed of six 
(6) persons, with DURA and BMS each being entitled to designate three (3) 
individuals.  The initial members shall be designated by each Party in 
writing promptly following execution of this Agreement.  Each Party may 
change its designated members at any time upon advance written  notice to the 
other Party (for BMS, notice must be sent to its Vice President, Infectious 
Diseases

                                       23
<PAGE>

Marketing; for DURA, notices must be sent to its Vice President, Marketing, of
any substitution of a member.

          5.1.3     The Sales/Marketing Committee shall meet not less than 
once in each Agreement Quarter during the Term or as otherwise agreed by the 
Parties in the writing, at such locations as are designated by each Party 
alternatingly. Each Party shall bear the costs and expenses of its designated 
members that are incurred in connection with the Sales/Marketing Committee 
meetings.

     5.2  CLINICAL TRIALS COMMITTEE.

          5.2.1     A clinical trials committee for the Products will be 
established promptly by BMS and DURA after execution of this Agreement (such 
committee being referred to herein as the "CLINICAL TRIALS COMMITTEE").  
Subject to each of Sections 5.2.2 through 5.2.6 below, the principal purpose 
of the Clinical Trials Committee shall be to create a forum for enabling the 
Parties to coordinate, as appropriate, Phase I through V clinical trial 
strategies in an effort to obtain approvals for the broadest and/or most 
commercially important indications for each Product throughout the world and 
to review and share results and data that may be obtained by each Party in 
clinical trials sponsored by it for the Products throughout the world.  In 
furtherance of such goal, each Party will consider in good faith (but without 
any obligation to agree or participate), where appropriate and upon 
presentation by the other Party, coordination and/or support of specific 
Phase I through V clinical trial initiatives by either or both Parties; 
provided, that any sharing of costs for, or dedication of personnel to, any 
joint efforts shall require the unanimous written approval of all members of 
the Clinical Trials Committee, and any proposal made by a Party that would 
result in costs incurred by the other Party shall be subject to prior written 
approval of all members appointed by the other Party  to the Clinical Trials 
Committee.

               The Clinical Trials Committee shall be composed of four (4) 
persons, with DURA and BMS each being entitled to designate two (2) 
individuals. The initial members shall be designated by each Party in writing 
promptly following execution of this Agreement.  Each Party may change its 
designated members at any time upon advance written  notice to the other 
Party (for BMS, notice must be sent to its Vice President, Infectious 
Diseases - Clinical; for DURA, notices must be sent to its Senior Vice 
President, Clinical Development and Regulatory Affairs, of any substitution 
of a member.

               The Clinical Trials Committee shall meet not less than once in 
each Agreement Quarter during the Term or as otherwise agreed by the Parties 
in the writing, at such locations as are designated by each Party 
alternatingly. Each Party shall bear the costs and expenses of its designated 
members that are incurred in connection with the Clinical Trials Committee 
meetings.

          5.2.2     BMS shall be responsible for performing and completing at
its expense all Phase I through V clinical trials in the Territory that are
ongoing as of the Effective Date, and shall provide to DURA any results obtained
by BMS therefrom during the applicable Term for a Product at the same time as
such results are made available to BMS' senior management (it being understood
that, except as provided in Section 5.2.8 below, DURA shall not have access

                                       24
<PAGE>

to the database from any such studies and, with respect to clinical trials 
for the Products sponsored by BMS that are included in the NDA for a given 
Product, copies of the Application Summary for such new studies for such 
Product only shall be provided from the NDA).  A list of all ongoing studies 
within the Territory that are being conducted by BMS as of the Effective Date 
will be provided to DURA within 30 days after the Effective Date.  Except as 
may be expressly set forth in the Interim Services Agreement, DURA shall be 
solely responsible, at DURA's expense, for symposiums/speaker programs 
pertaining to, and for working with the investigators/opinion leaders to 
publish the results of, any such studies after the Effective Date.  Any 
clinical trials to be conducted within the Territory that are currently 
planned but which have not yet begun to enroll subjects shall require DURA's 
prior written consent for enrollment to commence, and any such studies for 
which such enrollment is approved by DURA shall be conducted by BMS at DURA's 
expense.

          5.2.3     BMS shall be entitled to conduct any Phase I through V 
clinical trials with respect to the Products  outside the Territory, at BMS' 
sole expense, as BMS may determine, sponsor, and structure in its sole and 
absolute discretion.  BMS shall not initiate any Phase I through V clinical 
trials or studies within the Territory after the Effective Date except with 
DURA's prior written consent (not to be unreasonably withheld).  BMS will 
consult with DURA with respect to any Phase I-III studies that BMS may wish 
to initiate after the Effective Date and conduct outside the Territory 
through meetings of the Clinical Trials Committee.  BMS shall provide to DURA 
the results obtained by BMS during the applicable Term for a Product from any 
such Phase I through V studies initiated by BMS after the Effective Date at 
the same time as such results are made available to BMS' senior management 
(it being understood that, except as provided in Section 5.2.8 below, DURA 
shall not have access to the database from any such studies and, with respect 
to clinical trials for the Products sponsored by BMS that are included in the 
NDA for a given Product, copies of the Application Summary for such new 
studies for such Product only  shall be provided from the NDA).

               DURA shall be entitled to use all results obtained by BMS in 
any such Phase IV or V clinical trials that are sponsored by BMS for any 
appropriate advertising or promotional purpose within the Territory, without 
restriction and without payment to BMS; PROVIDED, that DURA shall remain 
solely responsible for the use of such results in promoting and advertising 
the Products in the Territory in compliance with, and shall be solely 
responsible and liable for any failure to so comply in the use thereof with, 
applicable law and the applicable labeling and Product Registrations.

          5.2.4     DURA shall not be entitled to conduct any Phase I through V
clinical trials with respect to the Products within the Territory, except where
it shall have obtained the prior written consent of BMS (which shall not be
unreasonably withheld by BMS with respect to Phase IV and Phase V studies that
DURA proposes to conduct within the Territory) as to the Study Protocol (and as
to any amendments or supplements thereto), any Investigator's brochure, the
investigators to be used for the conduct of the Study, and any compensation or
cost reimbursement to be provided to BMS in connection therewith.  As between
BMS and DURA, DURA shall be solely responsible and liable for the conduct and
cost of any such Phase I through V clinical trials conducted and/or sponsored by
DURA that are approved by BMS (including without limitation for all payments to
be made to any clinical sites/investigators with respect to such studies, and
for all injuries, including death, suffered by, and for all damages payable to,
any patient in any such studies,

                                       25
<PAGE>

except to the extent that the same may be the responsibility of BMS as set 
forth in Articles 6, 7 and/or 8 of the Supply Agreement with respect to the 
Product supplied by BMS).  DURA shall provide the results, any case report 
forms, any analyses, and the database obtained from any such Phase I through 
V studies to BMS at the same time as the same are made available to DURA's 
senior management.  BMS shall be entitled to use, and to permit others to 
use, all such results, case report forms, analyses, and data for any 
appropriate advertising or promotional purpose outside the Territory and for 
any regulatory filing purpose (including seeking approvals for new 
indications for the Product) within or outside the Territory, without 
restriction and without compensation to DURA; PROVIDED, that BMS shall remain 
solely responsible for the use of such results in promoting and advertising 
the Products outside the Territory in compliance with, and shall be solely 
responsible and liable for any failure to so comply in the use thereof with, 
applicable law and the applicable labeling and Product Registrations.
 
          5.2.5     BMS shall have sole and absolute discretion in 
determining whether to use any data obtained by DURA or by BMS from clinical 
trials sponsored by either in filings with regulatory authorities in any 
country within or outside the Territory.  Subject to Section 5.2.4, BMS will 
give good faith consideration to any request by DURA to file for additional 
indications for any Product in the Territory where appropriate data to 
support such filing is available; PROVIDED that DURA shall be responsible for 
all out-of-pocket costs incurred by BMS in preparing and making any such 
filings agreed to by BMS within the Territory.

          5.2.6     In the event that any governmental authority in the 
Territory having jurisdiction over the Product Registrations requires 
additional clinical study(ies) to be performed on a Product, BMS shall be 
sponsor and be responsible for the conduct of such study(ies), and the 
Parties shall evenly bear the out-of-pocket costs of such studies.  In such 
event DURA and BMS will meet to review the reasons for such governmental 
requirement and will confer on the best methods of complying with the request.

          5.2.7     BMS maintains a database of Phase I-V studies for the 
Products called the SENTRY database.  Except as BMS and DURA may otherwise 
agree to in writing, BMS shall be responsible, at its sole discretion, for 
maintaining and updating the SENTRY database from time to time hereafter as 
BMS may determine, it being understood that BMS shall not be obligated, 
expressly or impliedly, to so maintain and update such database (BMS will 
give DURA three months notice of any decision by BMS to cease maintenance or 
update of such database, in which event BMS agrees to discuss with DURA, at 
DURA's request, the transfer of such obligations to DURA).  BMS shall bear 
the cost of any such maintenance and updates.   BMS will provide DURA with 
access to BMS' SENTRY database so that DURA may use same to develop, at 
DURA's expense, promotional and advertising materials and to conduct symposia 
and speaker programs in accordance with the terms of this Agreement and with 
applicable law.  Such SENTRY database, and all intellectual property rights 
pertaining thereto, shall remain the exclusive property of BMS.

          5.2.8     BMS agrees to provide DURA with reasonable and 
appropriate access to its clinical studies database for each Product to the 
extent necessary for DURA to fulfill the Medical Information Services 
obligations assumed by DURA pursuant to Section 6.2.

                                       26
<PAGE>

6.   ADVERSE REACTION REPORTING AND PRODUCT COMPLAINTS; MEDICAL INFORMATION 
     SERVICES; PRODUCT RETURNS; COMPLIANCE WITH LAW; COMPLIANCE AUDITS.

     6.1  ADVERSE REACTION REPORTING; PRODUCT COMPLAINTS.  DURA and BMS have 
jointly developed written procedures for the reporting of adverse drug 
experiences, as set forth on EXHIBIT 6.1.  DURA and BMS shall each comply 
with the provisions thereof.

     6.2  MEDICAL INFORMATION SERVICES.  DURA and BMS have jointly developed 
written procedures for the administration of and response to medical 
inquiries concerning the Products by consumers, physicians, pharmacists and 
other health care professionals, as set forth in EXHIBIT 6.2.  DURA and BMS 
shall each comply with the provisions thereof.

     6.3  PRODUCT RETURNS.  DURA shall be responsible for all chargebacks and 
returns of Products (and the financial impact thereof) sold on or after the 
Effective Date, and BMS shall be responsible for all chargebacks and returns 
of Products (and the financial impact thereof) sold prior to the Effective 
Date in accordance with BMS' customary practices therefor; PROVIDED, however, 
that if the Parties are unable to determine whether a particular Product was 
sold before or after the date of this Agreement, then with respect to any 
such Product, the Parties shall abide by the procedures and responsibilities 
as set forth in the Interim Services Agreement.  DURA shall be solely 
responsible for the processing and disposal of all returned or rejected 
Product for which it is financially responsible as provided in this Section 
6.3.

     6.4  PRODUCT RECALL.  In the event that DURA obtains information that a 
Product or any portion thereof should be alleged or proven not to meet the 
Specifications, the labeling, or the Product Registration  for such Product 
in the Territory,  DURA shall notify BMS immediately and both Parties shall 
cooperate fully regarding the investigation and disposition of any such 
matter.   BMS and Dura shall each maintain such traceability records as are 
sufficient and as may be necessary to permit a recall or field correction of 
any Products. In the event (a) any applicable regulatory authority of a state 
or country in the Territory should  issue a request, directive or order that 
a Product be recalled, or (b) a court of competent jurisdiction orders such a 
recall, or (c) BMS determines that any Product already in interstate commerce 
in the Territory presents a risk of injury or gross deception or is otherwise 
defective and that recall of such Product is appropriate (a "RECALL"), each 
Party shall give telephonic notice (to be confirmed in writing) to the other 
within twenty-four (24) hours of the receipt of any event.  BMS shall have 
sole responsibility for determining all corrective action to be taken and for 
carrying out the Recall. DURA will provide full cooperation and assistance to 
BMS in connection therewith as may be requested by BMS.  BMS shall be 
responsible for all expenses of effecting any such Recall (including any 
out-of-pocket expenses incurred by DURA in connection with such cooperation), 
except (i) to the extent such Recall is attributable to any negligence on the 
part of DURA or any material breach by DURA of its obligations under this 
Agreement or any other agreement then in force and effect between DURA and 
BMS, in which event DURA will reimburse BMS for its reasonable costs and 
expenses incurred that are so attributable to such actions by DURA or (ii) 
where the Product was manufactured by or for DURA (other than by BMS), in 
which event DURA will reimburse BMS for its reasonable costs and expenses 
incurred in effecting such Recall.  Credits to DURA's customers

                                       27
<PAGE>

for any recalls or withdrawals that are required by reason of BMS' failure to 
manufacture a Product in accordance with its warranty set forth in Section 
5.2.1 of the Supply Agreement shall be borne solely by BMS; credits to DURA's 
customers for any other recalls or withdrawals shall be the solely the 
responsibility of DURA.

     6.5  COMPLIANCE WITH LAW.  Each Party shall use commercially reasonable 
efforts to maintain in full force and effect all necessary licenses, permits 
and other authorizations required by law to carry out its duties and 
obligations under this Agreement.  Each Party shall comply with all laws, 
ordinances, rules and regulations (collectively, "LAWS") applicable to its 
activities under this Agreement and any Related Agreement, including without 
limitation, any requirements of any product license applicable to the 
Products in the Territory; PROVIDED, that DURA shall be solely responsible 
for compliance with those Laws pertaining to the activities conducted by it 
hereunder and any Related Agreement (including, without limitation, those 
Laws that apply to documentation and records retention pertaining to the 
distribution and use of Products within the Territory), notwithstanding that 
FDA may, as a matter of law, be entitled to hold BMS accountable or 
responsible (whether primarily or secondarily) for failure of DURA to comply 
with such Laws.  Records retention schedules by DURA shall be subject to BMS' 
prior written approval (not to be unreasonably withheld).  Without limiting 
the generality of the foregoing, Dura shall not promote the Products for any 
indications not contained in the approved NDAs or in any manner in conflict 
with the approved labeling and all applicable Laws. DURA shall store and 
distribute the Products and trade forms in compliance with all applicable 
Laws, including, without limitation, applicable guidelines and policies of 
the PDMA.  BMS and DURA each shall keep all records and reports required to 
be kept by applicable laws and regulations.  The Parties will reasonably 
cooperate with one another with the goal of ensuring full compliance with 
Laws.  Each Party will cooperate with the other to provide such letters, 
documentation and other information on a timely basis as the other Party may 
reasonably require to fulfill its reporting and other obligations under 
applicable Laws to applicable regulatory authorities.  Except for such 
amounts as are expressly required to be paid by a Party to the other under 
this Agreement or any Related Agreement, each Party shall be solely 
responsible for any costs incurred by it to comply with its obligations under 
applicable Laws. 

     6.6  REASONABLE COOPERATION.  BMS and DURA each hereby agrees to use 
commercially reasonable efforts to take, or cause to be taken, all actions 
and to do, or cause to be done, all things necessary or proper to make 
effective the transactions contemplated by this Agreement, including such 
actions as may be reasonably necessary to obtain approvals and consents of 
governmental Persons and other Persons (including, without limitation, all 
NDA notifications to the FDA identifying DURA as a distributor of the 
Products); PROVIDED, that no Party shall be required to (i) pay money (other 
than as expressly required pursuant to this Agreement or a Related 
Agreement), or (ii) assume any other material obligation not otherwise 
required to be assumed by this Agreement or any Related Agreement.

     6.7  COMPLIANCE AUDITS.

          6.7.1     From time to time as BMS may elect during the applicable 
Term for a given Product, during normal business hours and upon reasonable 
notice from BMS (but not less than 10 days notice), DURA shall permit duly 
authorized representatives of BMS to review and inspect the premises, 
facilities, Product inventory, records and

                                       28
<PAGE>

documentation maintained by DURA for the purpose of determining compliance by 
DURA with  its obligations under this Agreement and any Related Agreement.

          6.7.2     From time to time as DURA may elect during the applicable 
Term for a given Product, during normal business hours and upon reasonable 
advance notice from DURA (but not less than 10 days notice), BMS shall permit 
duly authorized representatives of DURA to inspect, on the premises of BMS 
where such records and inventory are kept, finished Product inventory and 
BMS' quality control records relating to the storage of the finished Products 
to ensure compliance with quality control standards and the labeling for each 
such Product and with applicable terms of this Agreement pertaining to the 
use of the Trademarks; PROVIDED, that nothing in the foregoing shall allow or 
be construed to allow DURA to have access to any Manufacturing Know-How of 
BMS or any records containing or pertaining to same.

7.   PRICING; REVENUE RECOGNITION; BEST PRICE ISSUES; CONDUCT OF BUSINESS BY BMS
     AFTER EXECUTION DATE.

     7.1  PRICING; BEST PRICE ADJUSTMENT.

          7.1.1     From and after the Effective Date and subject to Section 
7.1.2, DURA shall have the sole authority to determine the price of a Product 
sold by it during the applicable Term for such Product, including price 
increases or decreases and the timing thereof as determined by DURA.  DURA 
will use commercially reasonable efforts  to provide reasonable advance 
notice to BMS prior to implementing any price change, but such consultation 
shall not restrict or limit DURA's sole authority and discretion to implement 
changes.

          7.1.2     In the event that the price, discount or other terms of 
sale charged or applied by DURA for any Product sold by it after the 
Effective Date should create a refund, rebate or other payment obligation on 
the part of BMS or any of its Affiliates to a Third Party under any contract 
for such Product entered into by BMS with such Third Party prior to the 
Effective Date (e.g., under best price provisions applicable to Medicaid 
contracts entered into by BMS) beyond and in addition to that which BMS would 
have been obligated to refund, rebate or reimburse using the prices charged 
by BMS and without regard to the price, discount or other terms of sale 
charged or applied by DURA, DURA shall repay to BMS such additional amount 
required to be paid or paid by BMS within 30 days after receipt of written 
notice from BMS with respect to same and of a reasonably detailed calculation 
of how such amount was determined.

          7.1.3     BMS shall keep for three (3) years from the date of each
payment by DURA to BMS under Section 7.1.2 complete and accurate records of
sales and all other information necessary to accurately calculate such payment. 
DURA shall have the right through its representatives or an independent,
certified public accountant to audit such records at the place or places of
business where such records are customarily kept in order to verify the accuracy
of same.  Such audits may be exercised once per year during normal business
hours upon fifteen (15) days' advance written notice to BMS.  DURA shall bear
the full cost of such audit unless such audit discloses a variance of more than

                                       29
<PAGE>

five percent (5%) from the amount due, in which event, BMS shall bear the 
full cost of such audit.  DURA may not  disclose confidential information 
concerning such payment and reports, any contract information upon which such 
payments are determined, and all other information learned in the course of 
any audit or inspection, except to the extent necessary for DURA to reveal 
such information in order to enforce its rights under this Agreement or if 
disclosure is required by law.  Any amounts that are determined to be due and 
owing by BMS to DURA or by DURA to BMS following such audit shall be paid 
within ten (10) business days thereafter, together with any interest due 
thereon (as determined in accordance with Section 8.3.4) for amounts owing by 
BMS to DURA only.  Any non-employee representatives of DURA shall execute an 
appropriate confidentiality agreement reasonably acceptable to BMS. 

     7.2  REVENUE RECOGNITION.  From and after the Effective Date, except as 
may be otherwise set forth in the Interim Services Agreement, DURA will book 
all sales of each Product made by it, with all sales to be made pursuant to a 
contract between DURA and the customer.  Except as may be otherwise set forth 
in the Interim Services Agreement, from and after the Effective Date DURA 
shall have the sole responsibility, at its cost and expense, for shipping 
(except as provided in the Baxter Supply Agreement) and distribution of each 
Product to its customers, for warehousing, for the invoicing and billing of 
purchasers of the Product, for order confirmation (if any) in accordance with 
DURA's customary practices, and for the collection of receivables resulting 
from sales of the Product.

     7.3  CONDUCT OF BUSINESS BY BMS AFTER THE EXECUTION DATE THROUGH 
EFFECTIVE DATE.  From and after the Execution Date through the end of the 
business day immediately preceding the Effective Date (the "INTERIM PERIOD"):

          7.3.1     BMS shall conduct its business pertaining to the Products 
in the ordinary course conducted by it prior to the Execution Date; and

          7.3.2     BMS will book all sales of each Product made by it during 
the Interim Period, with all sales to be made pursuant to a contract between 
BMS and the customer.  BMS shall have the sole responsibility, at its cost 
and expense, for shipping and distribution of a Product to its customers, for 
warehousing, for the invoicing and billing of purchasers of the Product, for 
order confirmation (if any) in accordance with BMS's customary practices, and 
for the collection of receivables resulting from sales of the Product.

8.   FEES AND OTHER PAYMENTS

     8.1  FEES.  DURA shall pay to BMS the following sums:

          8.1.1     Sixty Million Dollars (US$60,000,000) on or before December
31, 1998.  This payment shall be non-refundable, and shall not be creditable
against any future payments of any character made by DURA under this Agreement.

          8.1.2     Except as provided in Section 8.1.3, Seventy Million Dollars
(US$70,000,000) on December

                                       30
<PAGE>

31, 2003.  Except as provided in Section 8.1.3, this payment shall be 
non-refundable, and shall not be creditable against any prior or future 
payments of any character made by DURA under this Agreement.

          8.1.3     In the event that BMS terminates this Agreement as to a 
given Product pursuant to Section 13.4.2, and such termination is made by BMS 
voluntarily and not in response to a request by FDA to initiate action and/or 
in reasonable anticipation of an action or a request by FDA that would 
require or result in such an action by BMS to withdraw such Product from the 
market, then, the Parties agree that if such decision is made by BMS prior to 
the expiration of the applicable Term for such Product, then BMS shall repay 
to DURA (or, where the payment required by Section 8.1.2 has not yet been 
made, then DURA shall be entitled to deduct from such payment to be made) 
such amount as determined in accordance with the Schedule attached as EXHIBIT 
8.1.3 hereto.

          8.1.4     DURA shall pay to BMS the sum of One Million Dollars 
($1,000,000) on each of March 31, 1999, June 30, 1999, September 30, 1999 and 
December 31, 1999;  PROVIDED, that if DURA loses marketing exclusivity for 
the Products in the Territory at any time during 1999, DURA shall not be 
required to make the remaining payments that would otherwise be made in 1999 
under this Section 8.1.4.

     8.2  OTHER PAYMENTS.   DURA shall make the following additional payments 
("Other Payments") to BMS, as follows:

          -    * of Net Sales of all Products for calendar year 1999;
          -    * of Net Sales of all Products for calendar year 2000;
          -    * of Net Sales of all Products for calendar year 2001;
          -    * of Net Sales of all Products for calendar year 2002;
          -    * of Net Sales of all Products for calendar year 2003.

Upon payment by DURA of all amounts due by it under Sections 7.1.2, 8.1 and 8.2,
DURA shall have a fully paid-up license to use the rights granted to it
hereunder for the remainder of each of the Azactam-Registered Trademark- Term
and the Maxipime-Registered Trademark- Term, as applicable, subject to Sections
4.7 and 5.2 hereof, as applicable.

     8.3  PAYMENT; RECORDS; AUDITS; TAXES

          8.3.1     PAYMENT; REPORTS.  All Other Payments due under this
Agreement shall be calculated and paid in U.S. dollars within 60 days of the end
of each calendar quarter (or particular quarter) during the Term hereof, unless
otherwise specifically provided herein.  Each payment of Other Payments shall be
accompanied by a report of Net Sales of each Product in sufficient detail to
permit confirmation of the accuracy of the Other Payment made.  DURA shall
report such information concerning such Net Sales with at least as much
information as set forth in the template attached as Exhibit 8.3.1 hereto.

          8.3.2     MANNER AND PLACE OF PAYMENT.  All payments owed under
Sections 8.1 and 8.2 of this

                                       31

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

Agreement shall be made by wire transfer to an account specified by BMS.

          8.3.3     RECORDS.  DURA shall keep for three (3) years from the 
date of each payment of any Other Payment hereunder complete and accurate 
records of sales and all other information necessary to accurately calculate 
the Net Sales of each Product used in determining such payment.  BMS shall 
have the right through its representatives or an independent, certified 
public accountant to audit such records at the place or places of business 
where such records are customarily kept in order to verify the accuracy of 
the reports of Net Sales and Other Payments made for the preceding three 
years.  Such audits may be exercised once per year during normal business 
hours upon fifteen (15) days' advance written notice to DURA.  BMS shall bear 
the full cost of such audit unless such audit discloses a variance of more 
than five percent (5%) from the amount of the Other Payments due under this 
Agreement, in which event, DURA shall bear the full cost of such audit. BMS 
may not disclose confidential information concerning such payments and 
reports, and all information learned in the course of any audit or 
inspection, except to the extent necessary for BMS to reveal such information 
in order to enforce its rights under this Agreement or if disclosure is 
required by law.  Any amounts that are determined to be due and owing by DURA 
to BMS or by BMS to DURA following such audit shall be paid within ten (10) 
business days thereafter, together with any interest due thereon (as 
determined in accordance Section 8.3.4) for amounts owing by DURA to BMS 
only. Any non-employee representatives of BMS shall execute an appropriate 
confidentiality agreement reasonably acceptable to DURA. 

          8.3.4     LATE PAYMENTS.  In the event that any payment due under 
this Agreement is not made when due, the payment shall accrue interest from 
the date due at the rate of twelve percent (12%) per annum; PROVIDED, that in 
no event shall such rate exceed the maximum legal annual interest rate.  The 
payment of such interest shall not limit a Party from exercising any other 
rights it may have as a consequence of the lateness of any payment.

          8.3.5     TAXES.  All turnover, income and other taxes levied on 
account of any Other Payments and other payments made or accruing to BMS 
under this Agreement shall be paid by BMS.

          8.3.6     SALES FORECAST.   DURA will provide to BMS at the 
beginning of each calendar quarter beginning with the Effective Date and 
ending September 30, 2003, with its good faith forecast of its sales for each 
Product by SKU# for each of the immediately following four calendar quarters 
(but in any event not beyond the quarter ending December 31, 2003.

9.   REPRESENTATIONS AND WARRANTIES.

     9.1  REPRESENTATIONS AND WARRANTIES OF BOTH PARTIES.  Except as may be 
set forth in EXHIBIT 9.1, each Party hereby represents and warrants that, as 
of the Execution Date:

          9.1.1     GOOD STANDING.  Such Party is duly organized, validly
existing and in good standing under

                                       32
<PAGE>

the laws of the state of its incorporation, is duly qualified to transact the 
business in which it is engaged in each jurisdiction where failure to be so 
qualified would have a material adverse effect upon its business as currently 
conducted, and has full corporate power and authority to enter into this 
Agreement and the Related Agreements and to carry out the provisions of this 
Agreement and the Related Agreements.

          9.1.2     POWER AND AUTHORITY.  Such Party has the requisite power 
and authority and the legal right to own and operate its property and assets, 
to license and lease the property and assets it operates or uses under lease 
or license, and to carry on its business as it is now being conducted.  Such 
Party has the requisite power and authority and the legal right to enter into 
this Agreement and the Related Agreements, and to perform its obligations 
hereunder and thereunder, and has taken all necessary corporate action on its 
part to authorize the execution and delivery of the Agreement and the Related 
Agreements and the performance of its obligations hereunder and thereunder.  
All persons who have executed this Agreement or a Related Agreement on behalf 
of such Party, or who will execute on behalf of such Party any agreement or 
instrument contemplated hereby or thereby, have been duly authorized to do so 
by all necessary corporate action.

          9.1.3     BINDING OBLIGATION.  This Agreement and the Related 
Agreements have been duly executed and delivered on its behalf and (assuming 
the due execution and delivery hereof and thereof by the other Party) each 
such agreement is a legal and valid obligation binding upon it and is 
enforceable in accordance with its terms, except that (i) such enforcement 
may be subject to bankruptcy, insolvency, reorganization, moratorium or other 
similar laws now or hereafter in effect relating to creditors rights 
generally and (ii) the remedy of specific performance and other forms of 
equitable relief may be subject to equitable defenses and to the discretion 
of the court or arbitrator before which any proceeding therefor may be 
brought.

     9.2  REPRESENTATIONS AND WARRANTIES OF BMS.  Except as set forth in 
EXHIBIT 9.2, BMS hereby represents and warrants to DURA that:

          9.2.1     NO VIOLATION OF INSTRUMENTS OR CONTRACTS.  The execution 
and the delivery of this Agreement and the Related Agreements and the 
consummation of the transactions contemplated hereby and thereby will not: 
(i) violate the Certificate of Incorporation or By-Laws of any of the BMS 
Entities;  (ii) to the knowledge of BMS, materially conflict with or result 
in a material breach of any of the material terms, conditions or provisions 
of, or constitute an express event of default under, any material instrument, 
agreement, mortgage, judgment, order, award, or decree specifically relating 
to the Business to which any BMS Entity is a party or by which it is bound 
and which would have a material adverse effect upon the conduct of the 
Business as currently conducted by such BMS Entity (it being understood that 
certain contracts pertaining to the sale of Products to Third Parties may 
require the consent of such Third Party for assignment of same to DURA), 
(iii) to the knowledge of BMS, require the affirmative approval, consent, 
authorization or other order or action of any court, governmental authority 
or regulatory body or of any creditor of any of the BMS Entities, or (iv) to 
the knowledge of BMS, give any Third Party the right under any material 
instrument,

                                       33
<PAGE>

agreement, mortgage, judgment, order, award or decree specifically relating 
to the Business the right to terminate, modify or otherwise change the rights 
or obligations of any of the BMS Entities under such material instrument, 
agreement, mortgage, judgment, order, award or decree, the effect of which 
would be materially adverse to the conduct of the Business as currently 
conducted by such BMS Entity, or (v)  conflict with or result in any 
violation of or constitute a breach of any of the terms or provisions of, or 
result in the acceleration of any obligation under, or constitute a default 
under, any contract that is material to the conduct of the Business and to 
which any BMS Entity is a party or to which it is subject or bound, except 
for such conflict, acceleration, default, breach or violation that is not 
reasonably likely to have a material adverse effect on such BMS Entity's 
ability to perform its obligations under this Agreement or any Related 
Agreement.

          9.2.2     COMPLIANCE WITH LAW.  Each BMS Entity is in compliance 
with all requirements of applicable law within the Territory, except to the 
extent that any noncompliance would not have a material adverse effect on the 
conduct of the Business as currently conducted by such BMS Entity and would 
not materially and adversely affect BMS's ability to perform its obligations 
under this Agreement or any Related Agreement.

          9.2.3     LITIGATION AND CLAIMS.  There is no litigation, 
arbitration, claim, governmental or other proceeding (formal or informal), 
or, to the knowledge of BMS, governmental investigation pending or threatened 
in writing within the Territory relating to the Business (it being understood 
that this sentence does not relate in any way to the subject matter of 
Sections 9.2.5 and 9.2.6 of this Agreement), which, if adversely determined, 
would have a material adverse effect upon BMS' ability to perform its 
obligations under this Agreement or any Related Agreement.  None of the BMS 
Entities is in violation of, or in default with respect to, any law, rule, 
regulation, order, judgment, or decree relating to the Business or to the 
Trademarks, which violation or default would materially and adversely affect 
the Business; nor is any of the BMS Entities required to take any action 
outside of the ordinary course of business in order to avoid such violation 
or default.

          9.2.4     NDAS.  BMS has furnished DURA with access to a complete 
copy of each of the NDAs, including all material amendments and supplements 
thereto, relating to the Products in the Territory, other than information 
contained in the CMC section of each NDA.  BMS is the lawful holder of all 
rights under each of the NDAs.  BMS has complied in all material respects 
with all applicable laws and regulations in connection with the preparation 
and submission to the FDA of each of the NDAs, and each of the NDAs has been 
approved by, and nothing has come to the attention of BMS in writing which 
has, or reasonably should have, led BMS to believe that any of the NDAs are 
not in good standing with, the FDA. To its knowledge, BMS has filed with the 
FDA all required notices, supplemental applications and annual or other 
reports, including adverse experience reports, with respect to each NDA which 
are material to the conduct of the Business as currently conducted by BMS. 
There is no pending FDA proceeding, or to the knowledge of BMS any action 
threatened in writing by the FDA, which, if adversely determined, would have 
a material adverse effect on the conduct of the Business as currently 
conducted.

                                       34
<PAGE>

          9.2.5     TRADEMARKS.

               9.2.5.1   It is the owner of all of the issued Trademark 
registrations listed in Exhibit 1.1A, and has the exclusive right to grant 
licenses therefor within the Territory in accordance with the terms of this 
Agreement.  BMS has not entered into any agreement with any Third Party that 
prohibits BMS from licensing the Trademarks to DURA in accordance with this 
Agreement.

               9.2.5.2   The Trademarks are in full force and effect and have 
been maintained to date in the Territory.

               9.2.5.3   To the knowledge of BMS, none of the Trademarks 
infringes upon any trademark or other proprietary rights of any other Third 
Party in the Territory.  There is no action, suit or proceeding pending or, 
to the knowledge of BMS, that has been threatened in writing by any Third 
Party in the Territory against BMS which, if adversely determined, would have 
a material adverse effect upon the ability of BMS to use the Trademarks in 
connection with the marketing or sale of the Products in the Territory as 
currently conducted by BMS.

          9.2.6     PATENTS.

               9.2.6.1  All patents owned or controlled by any BMS Entity 
pertaining to the composition of matter or use of any Product in the 
Territory ("BMS Patents") are in full force and effect and have been 
maintained to date.   BMS has not entered into any agreement with any Third 
Party under which BMS has licensed to such Third Party within the Territory 
any rights under such BMS Patents to use or sell any Product, other than as 
set forth in the Baxter Supply Agreement.

               9.2.6.2  BMS has not received any written notice of any claim 
that the manufacture, use or sale of any Product infringes any patent rights 
of any Third Party in the Territory. 

               9.2.6.3  There is no action, suit or proceeding pending or, to 
the knowledge of BMS, that has been threatened in writing by any Third Party 
against BMS in the Territory which, if adversely determined, would have a 
material adverse effect upon the ability of BMS to use the BMS Patents in 
connection with the manufacture, use or sale of the Products in the Territory 
as currently conducted by BMS.

          9.2.7     NO BROKER FEES.  BMS has not incurred any liability or 
obligation to any broker, finder, or agent for any brokerage fees, finder's 
fees, or commissions with respect to the transactions contemplated by this 
Agreement which may be directly or indirectly asserted against DURA.

     9.3  REPRESENTATIONS AND WARRANTIES OF DURA.  Except as set forth in
EXHIBIT 9.3, DURA hereby represents

                                       35
<PAGE>

and warrants to BMS that:

          9.3.1     NO VIOLATION OF INSTRUMENTS OR CONTRACTS.  The execution 
and the delivery of this Agreement and the Related Agreements and the 
consummation of the transactions contemplated hereby and thereby will not: 
(i) violate the Certificate of Incorporation or By-Laws of DURA;  (ii) to the 
knowledge of DURA, materially conflict with or result in a material breach of 
any of the material terms, conditions or provisions of, or constitute an 
express event of default under, any material instrument, agreement, mortgage, 
judgment, order, award, or decree to which DURA is a party or by which it is 
bound and that would have a material adverse effect upon DURA's ability to 
perform its obligations under this Agreement or any Related Agreement, (iii) 
to the knowledge of DURA, require the affirmative approval, consent, 
authorization or other order or action of any court, governmental authority 
or regulatory body or of any creditor of DURA or any of its Affiliates, or 
(iv) to the knowledge of DURA, give any Third Party the right under any 
material instrument, agreement, mortgage, judgment, order, award or decree 
the right to terminate, modify or otherwise change the rights or obligations 
of DURA or any of its Affiliates under such material instrument, agreement, 
mortgage, judgment, order, award or decree, which would have a material 
adverse effect upon DURA's ability to perform its obligations under this 
Agreement or any Related Agreement, or (v)  conflict with or result in any 
violation of or constitute a breach of any of the terms or provisions of, or 
result in the acceleration of any obligation under, or constitute a default 
under, any contract to which DURA or any of its Affiliates is a party or to 
which it is subject or bound, except for such conflict, acceleration, 
default, breach or violation that is not reasonably likely to have a material 
adverse effect on DURA's ability to perform its obligations under this 
Agreement or any Related Agreement. 

          9.3.2     COMPLIANCE WITH LAW.  DURA and its Affiliates are in 
compliance with all requirements of applicable law within the Territory, 
except to the extent that any noncompliance would not have a material adverse 
affect upon its ability to perform its obligations under this Agreement or 
any Related Agreement.

          9.3.3     LITIGATION AND CLAIMS.  There is no litigation, 
arbitration, claim, governmental or other proceeding (formal or informal), 
or, to the knowledge of DURA, governmental investigation pending or 
threatened in writing within the Territory against DURA or any of its 
Affiliates where an adverse outcome would have a material adverse affect upon 
DURA's ability to perform its obligations under this Agreement or any Related 
Agreement.  DURA and its Affiliates are not in violation of, or in default 
with respect to, any law, rule, regulation, order, judgment, or decree, which 
violation or default would have a material adverse affect upon DURA's ability 
to perform its obligations under this Agreement or any Related Agreement; nor 
is DURA or any of its Affiliates required to take any action outside of the 
ordinary course of business in order to avoid such violation or default.

          9.3.4     NO BROKER FEES.  DURA has not incurred any liability or 
obligation to any broker, finder, or agent for any brokerage fees, finder's 
fees, or commissions with respect to the transactions contemplated by this 
Agreement which may be directly or indirectly asserted against BMS.

                                       36
<PAGE>

     9.4  DISCLAIMER OF WARRANTIES.  EXCEPT AS EXPRESSLY PROVIDED IN THIS 
AGREEMENT, THERE ARE NO OTHER REPRESENTATIONS OR WARRANTIES, EXPRESS OR 
IMPLIED, MADE OR GIVEN BY EITHER PARTY HEREUNDER, INCLUDING, WITHOUT 
LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
PURPOSE OR USE OF ANY PRODUCT.

     9.5  NO RELIANCE BY THIRD PARTIES.  The representations and warranties 
of a Party set forth in this Agreement  are intended for the sole and 
exclusive benefit of the other Party hereto, and may not be relied upon by 
any Third Party.

10.  INDEMNIFICATION AND INSURANCE.

     10.1 BMS INDEMNITY.  BMS shall defend, indemnify and hold DURA, its 
Affiliates, and its and their employees, agents, officers, and directors (a 
"DURA PARTY") harmless from and against any and all losses, liabilities, 
damages, fees (including, until such time as BMS has notified DURA in writing 
that it will assume control of a given DURA Claim, reasonable attorneys fees 
and costs of litigation pertaining to such DURA Claim), and expenses paid or 
payable by a DURA Party to a Third Party and that result from or arise in 
connection with a claim, suit or other proceeding made or brought by such 
Third Party (a "DURA CLAIM") against a DURA Party based on (i) the breach of 
any obligation, covenant, agreement, representation or warranty of BMS 
contained in this Agreement, or (ii) any Third Party litigation, arbitration, 
claim, governmental or other proceeding (formal or informal) or investigation 
arising out of or based upon the conduct of the Business by BMS or its 
Affiliates, including without limitation any sale by or through BMS or any of 
its Affiliates, and any use of any Product (including without limitation 
Claims based on or relating to product liability), prior to the Effective 
Date, or (iii) any sale of a Product by BMS or any of its Affiliates outside 
the Territory, and any use outside the Territory of any such Product that was 
sold by BMS or any of its Affiliates outside the Territory (including without 
limitation Claims based on or relating to product liability), whether sold by 
BMS or its Affiliates prior to or following the Effective Date; or (iv) 
infringement of a Third Party's patent rights or trademarks by reason of the 
purchase of a Product by DURA under the Supply Agreement (and which was 
manufactured by or for BMS) and/or its sale by DURA in accordance with the 
provisions of this Agreement (other than infringement of Third Party patent 
rights or trademarks by reason of the manufacture, use or sale of plastic 
containers, vials, or other components for any Azactam-Registered Trademark- 
Product used or provided by Baxter under the Baxter Supply Agreement and the 
manufacture, use or sale of the Abbott fluid containers or vials for any 
Maxipime-Registered Trademark- Product pursuant to the rights granted under 
the Abbott License Agreement and other than infringement of a Third Party's 
trademark based on the use of a Trademark assigned by BMS to DURA pursuant to 
Section 2.2.1); PROVIDED, however, that BMS shall not be obligated to 
indemnify a DURA Party under (i), (ii), (iii) or (iv) above for any loss, 
liability, damages, fees or expenses incurred by such DURA Party to the 
extent attributable to a breach by DURA of any obligation, covenant, 
agreement, representation or warranty of DURA contained in this Agreement or 
any Related Agreement, to any act or omission constituting negligence, 
recklessness, gross negligence, or wilful misconduct on the part of DURA or a 
DURA Party, and/or to any  failure of DURA to identify a Product defect or 
nonconformity with Specifications known or that should

                                       37
<PAGE>

reasonably have been known to DURA prior to the use of such Product by a 
Third Party.

     10.2 DURA INDEMNITY.  DURA shall defend, indemnify and hold BMS, its 
Affiliates, and its and their employees, agents, officers, and directors (a 
"BMS PARTY") harmless from and against any and all losses, liabilities, 
damages, fees (including, until such time as DURA has notified BMS in writing 
that it will assume control of a given Claim, attorneys fees and costs of 
litigation pertaining to such Claim), and expenses paid or payable by a BMS 
Party to a Third Party (including without limitation payments that BMS may be 
required to make to its licensors of any rights pertaining to any Product 
(including without limitation Fujisawa, Abbott, and Takeda) and suppliers of 
any components of any Product (including without limitation, Baxter)) that 
result from or arise in connection with a claim, suit or other proceeding 
made or brought by a Third Party ("BMS CLAIM") against a BMS Party resulting 
from or arising in connection with (i) the breach by DURA of any obligation, 
covenant, agreement, representation or warranty of DURA contained in this 
Agreement; (ii) the conduct of the Business by DURA and its Affiliates in the 
Territory after the Effective Date, including without limitation any sale by 
or through DURA or any of its Affiliates, and any use of any Product 
(including without limitation Claims based on or relating to product 
liability), after the Effective Date; and/or (iii) infringement of a Third 
Party's trademarks by reason of the use of "DURA" or any variant thereof on 
the labeling for a Product or in any materials used in promoting or 
advertising a Product or the use of a Trademark following the assignment of 
such Trademark to DURA in accordance with Section 2.2.1; PROVIDED, however, 
that DURA shall not be obligated to indemnify a BMS Party for any loss, 
liability, damages, fees or expenses incurred by such BMS Party to the extent 
attributable to a breach by BMS of any obligation, covenant, agreement, 
representation or warranty of BMS contained in this Agreement or any Related 
Agreement, or to any act or omission constituting negligence, recklessness, 
gross negligence, or wilful misconduct on the part of BMS or a BMS Party.

     10.3 CONTROL OF PROCEEDINGS.  To receive the benefits of the indemnity 
under Sections 10.1 or 10.2, as applicable, an indemnified Party must (i) 
give the indemnifying Party written notice of any Claim or potential Claim 
promptly after the indemnified Party receives notice of any such Claim; (ii) 
allow the indemnifying Party to assume exclusive control of the defense and 
settlement (including all decisions relating to litigation, defense and 
appeal) of any such Claim (so long as it has confirmed its indemnification 
obligation responsibility to such indemnified Party under this Section 10.3 
with respect to a given Claim); PROVIDED THAT the controlling Party may not 
settle such Claim in any manner that would require payment by the other 
Party, or would materially adversely affect the rights granted to the other 
Party hereunder, or would materially conflict with the terms of this 
Agreement, without first obtaining the other Party's prior written consent; 
and (iii) so long as such cooperation does not vitiate any legal privilege to 
which it is entitled, reasonably cooperate with the indemnifying Party in its 
defense of the Claim (including, without limitation, making documents and 
records available for review and copying and making persons within 
its/his/her control available for pertinent testimony).  If the indemnifying 
Party defends the claim, an indemnified Party may participate in, but not 
control, the defense of such Claim using attorneys of its/his/her choice and 
at its/his/her sole cost and expense.  An indemnifying Party shall have no 
obligation or liability under this Article 10 as to any Claim for which 
settlement or compromise of such claim or an offer of settlement or 
compromise of such Claim is made by an indemnified Party

                                       38
<PAGE>

without the prior written consent of the indemnifying Party.

          If the Party entitled to control the defense of such Claim notifies 
the other in writing that it will not defend the other Party against such 
Claim asserted against the other Party, or if the Party entitled to control 
the defense of such Claim fails to defend or take other reasonable, timely 
action, in response to such Claim asserted against the other Party, the other 
Party shall have the right, but not the obligation, to defend or take other 
reasonable action to defend its interests in such proceedings, and shall have 
the right to litigate, settle or otherwise dispose of any such Claim; 
provided, however, that the other Party shall not have the right to settle 
such Claim in a manner that adversely affects the rights granted to the other 
Party hereunder, or would materially conflict with this Agreement, or would 
require a payment by the Party entitled to control the defense to such Third 
Party, without the prior written consent of Party entitled to control the 
defense of such Claim.

     10.4 DURA INDEMNITY AS TO COMPENSATION.  DURA will indemnify, defend, 
and hold harmless each BMS Party from and against any damages, liability, 
loss and costs that may be paid or payable by any such BMS Party resulting 
from or in connection with any claim or other cause of action asserted by:

         (i)   any employees, agents, contractors, telemarketers, or other
               personnel of DURA used by it to perform its obligations under
               this Agreement, or

         (ii)  by any Third Party (including federal, state or local
               governmental authorities)

with respect to:

         (iii) any payment or obligation to make a payment to any
               employees, agents, contractors, telemarketers, or other
               personnel used by DURA to perform its obligations under this
               Agreement with respect to any compensation, benefits of any
               type under any employee benefit plan (as such term is
               defined above), and any other bonus, stock option, stock
               purchase, incentive, deferred compensation, supplemental
               retirement, severance and other similar fringe or employee
               benefit plans, programs or arrangements that may be
               sponsored at any time either by BMS or any of its Affiliates
               or by DURA or any of its Affiliates, even if it is
               subsequently determined by any court, the IRS or any other
               governmental agency that any such employee, agent,
               contractor, telemarketer, and other person used by DURA to
               discharge its obligations hereunder may be a common law
               employee of BMS or any of its Affiliates; and


         (iv)  the payment or withholding of any contributions, payroll taxes,
               or any other payroll-related item by or on behalf of DURA or any
               of its employees, agents, contractors, telemarketers, and other
               personnel with respect to which BMS, DURA or any of DURA's
               employees,

                                       39
<PAGE>

               agents, contractors, telemarketers, and other personnel may be 
               responsible  hereunder or pursuant to applicable law to pay, 
               make, collect, withhold or contribute, even if it is subsequently
               determined by any court, the IRS or by any other governmental 
               agency that any such employee, agent, contractor, telemarketer, 
               and other person used by DURA to discharge its obligations 
               hereunder may be a common law employee of BMS or any of its 
               Affiliates.

     10.5 INFRINGEMENT BY THIRD PARTIES.

          10.5.1    If either Party becomes aware that a Third Party is 
infringing any rights in any patent rights owned or controlled by BMS or any 
of its Affiliates covering the composition or use of a Product or any 
Trademark used in connection with a Product, such Party shall give written 
notice to the other Party describing in detail the nature of such 
infringement.  Subject to Section 10.5.2, BMS and its Affiliates shall have 
the sole right, but not the obligation, to enforce any such patent rights and 
Trademarks against such Third Party infringer and to settle or compromise any 
such possible infringement by taking such action as BMS or its Affiliates may 
determine in their sole and absolute discretion; PROVIDED, however, that BMS 
may not settle any such potential infringement in a manner that materially 
adversely affects the rights granted to DURA hereunder or the title, rights 
and interests in any patent rights, Trademarks or other intellectual property 
rights owned or controlled by BMS or any of its Affiliates relating to the 
composition or use of any Product, or that would materially conflict with 
this Agreement, or that would require a payment by DURA to such Third Party, 
or that would require the grant of any right or license by BMS to any Third 
Party in conflict with the rights granted to DURA hereunder, without the 
prior written consent of DURA.    So long as such cooperation does not 
vitiate any legal privilege to which it is entitled, DURA agrees to provide 
BMS all reasonable assistance (including, without limitation, making 
documents and records available for review and copying and making persons 
within its control available for pertinent testimony),  at BMS' expense, in 
such enforcement.

          10.5.2    In the event that BMS fails to institute an infringement 
suit or take other reasonable action in response to such infringement 
referred to in 10.5.1 within one hundred eighty (180) days after notice of 
such infringement has been brought to its attention, DURA shall have the 
right, but not the obligation, to institute such suit or take other 
appropriate action in its own name to enforce such BMS patent rights (but not 
any BMS patents pertaining to the manufacture of a Product) against such 
Third Party and to settle or compromise any such possible infringement by 
taking such action as DURA or its Affiliates may determine in their sole and 
absolute discretion; PROVIDED, however, that DURA may not settle any such 
potential infringement in a manner that would materially adversely affect any 
title, rights and interests in any patents, Trademarks or other intellectual 
property rights owned or controlled by BMS or any of its Affiliates relating 
to the composition or use of any Product, or that would materially conflict 
with any terms of this Agreement, or that would require a payment by BMS to 
such Third Party, or that would require the grant of any right or license by 
BMS to any Third Party, without the prior written consent of BMS.    So long 
as such cooperation does not vitiate any legal privilege to which it is 
entitled, BMS agrees to provide DURA all reasonable cooperation and 
assistance (including, without limitation, making documents and records 
available for review and copying and making persons

                                       40
<PAGE>

within its control available for pertinent testimony), at DURA's expense, in 
such enforcement.

          10.5.3    Regardless of which Party brings an action to enforce a 
BMS Patent or a Trademark that is being infringed by a Third Party as 
provided in Section 10.5.1 or 10.5.2 above, the Party not bringing the action 
shall have the right to participate in such action at its own expense with 
its own counsel. Any damages or other recovery, whether by settlement or 
otherwise, from an action hereunder to enforce such BMS Patents or Trademarks 
shall be paid to the Party controlling the conduct of the litigation.

          10.5.4    Upon assignment by BMS of a Trademark to DURA in 
accordance with Section 2.2.2 hereof, the Parties' rights and 
responsibilities under Section 10.5.1 and 10.5.2 shall be reversed, MUTATIS 
MUTANDIS, with respect to infringement of such Trademark by a Third Party 
following such assignment.

          10.5.5    In the event that a Third Party files an ANDA for a 
Product certifying that it does not infringe any patents owned or controlled 
by BMS relating to such Product, the Party receiving a copy of such ANDA 
shall promptly forward a copy of same to the other Party.  The Parties shall 
meet and confer within thirty (30) days following the filing of such ANDA for 
the purpose of determining what action should be taken with respect to such 
certification should both Parties conclude that such Third Party would 
violate Patent Rights owned or controlled by BMS.  As the NDA holder, BMS 
shall be responsible for filing and coordinating any mutually agreed 
responses to FDA.  DURA shall reimburse BMS for any reasonable costs incurred 
by BMS in connection with such filings, and will reimburse BMS for any 
reasonable out-of-pocket costs incurred by BMS in any legal proceedings 
undertaken by BMS based on the Parties mutually agreed upon course of action. 

     10.6 INSURANCE.  DURA shall maintain at all times during the period that 
any Product is being distributed or sold by or through DURA hereunder, and 
for fifteen (15) years thereafter, comprehensive general liability insurance, 
with endorsements for contractual liability and product liability with 
coverage limits of not less than Twenty Million Dollars ($20,000,000).  The 
minimum level of insurance set forth herein shall not be construed to create 
a limit on DURA's liability with respect to its indemnification obligations 
hereunder.  Prior to the Effective Date (and each anniversary thereof), DURA 
shall furnish to BMS a certificate of insurance evidencing such coverage as 
of the Effective Date (and each anniversary thereof) and upon request by BMS 
at any time hereafter.  Each such certificate of insurance shall include a 
provision whereby sixty (60) days' written notice must be received by BMS 
prior to coverage modification or cancellation by either DURA or the insurer.

          BMS will maintain at all times during the period that any Product 
is being supplied to DURA by BMS and is being manufactured by or for BMS, and 
for fifteen (15) years thereafter, a commercially reasonable program of 
self-insurance/insurance with respect to its obligations under this Agreement 
and any Related Agreement.

11.  FORCE MAJEURE.

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<PAGE>

     11.1 FORCE MAJEURE.  Any delays in performance by any Party under this 
Agreement shall not be considered a breach of this Agreement if and to the 
extent caused by occurrences beyond the reasonable control of the Party 
affected, including but not limited to acts of God, embargoes, governmental 
restrictions, materials shortages or failure of any supplier, where such 
shortage or failure is attributable to a supplier's breach of its agreement 
with BMS or with a Third Party subcontractor or to an event of force majeure 
suffered by such supplier), fire, flood, explosion,  earthquake, hurricanes, 
storms, tornados, riots, wars, civil disorder, failure of public utilities or 
common carriers, failure of Baxter to supply Product, labor disturbances, 
rebellion or sabotage.  The Party suffering such occurrence shall immediately 
notify the other Party as soon as practicable immediately notify the other of 
such inability and of the period for which such inability is expected to 
continue, and any time for performance hereunder shall be extended by the 
actual time of delay caused by the occurrence; provided, that the Party 
suffering such occurrence uses commercially reasonable efforts to mitigate 
any damages occurred by the other Party.  The Party giving such notice shall 
thereupon be excused from such of its obligations under this Agreement as it 
is thereby disabled from performing, and shall have no liability for such 
non-performance, for so long as it is so disabled and the 30 days thereafter.

12.  CONFIDENTIALITY.

     12.1 CONFIDENTIALITY.

          12.1.1    Each Party acknowledges that it may receive confidential 
or proprietary information of the other Party in the performance of this 
Agreement. Each Party shall use commercially reasonable efforts to safeguard 
and to hold such information received by it from the other Party in 
confidence, and shall limit disclosure of the furnishing Party's information 
to those employees and consultants of the receiving Party and its Affiliates 
who are bound by a written obligation of confidentiality to the receiving 
Party that is consistent with the terms of this Article 12.  Each Party shall 
not, directly or indirectly, disclose, publish or use for the benefit of any 
Third Party or itself, except in carrying out its duties hereunder, any 
confidential or proprietary information of the other Party, without first 
having obtained the furnishing Party's written consent to such disclosure or 
use.  "CONFIDENTIAL INFORMATION" shall include, INTER ALIA, know-how, 
scientific information, the terms of this Agreement, clinical data, efficacy 
and safety data, adverse event information, formulas, methods and processes, 
specifications, pricing information (including discounts, rebates and other 
price adjustments) and other terms and conditions of sales, customer 
information, business plans, and all other intellectual property.  This 
restriction shall not apply to any information within the following 
categories:  

         (i)   information that is known to the receiving Party or its
               Affiliates prior to the time of disclosure to it, to the extent
               evidenced by written records or other competent proof;

         (ii)  information that is independently developed by employees, agents,
               or independent contractors of the receiving Party or its
               Affiliates without reference to or reliance upon the information
               furnished by the disclosing Party, as evidenced by written
               records or other competent proof;

                                        42
<PAGE>

         (iii) information disclosed to the receiving Party or its
               Affiliates by a Third Party that has a right to make such
               disclosure; or

         (iv)  any other information that becomes  part of the public domain
               through no fault or negligence of the receiving Party.

The receiving Party shall also be entitled to disclose the other Party's 
Confidential Information (1) that is required to be disclosed in compliance 
with applicable laws or regulations (including, without limitation, to comply 
with SEC, NASDAQ or stock exchange disclosure requirements) or by order of 
any governmental body or a court of competent jurisdiction,  (2) as may be 
necessary or appropriate in connection with the enforcement of this Agreement 
or any Related Agreement, (3) as required in furtherance of a Party's 
obligations under this Agreement or any Related Agreement; or (4) as may be 
necessary for the conduct of clinical studies; PROVIDED, that the Party 
required to disclose such information shall use commercially reasonable 
efforts to obtain confidential treatment of such information by the agency or 
court or other disclosee, and that, in the case of disclosures under (1) 
shall provide the other Party with a copy of the proposed disclosure in 
sufficient time to allow reasonable opportunity to comment thereon.

          12.1.2    The obligations set forth in this Section 12.1 shall 
survive the termination or expiration of this Agreement for five (5) years.  
Nothing in this Article 12 shall be construed to create or imply any right or 
license under any patent rights, trademarks, copyrights or other intellectual 
property rights owned or controlled by a Party or its Affiliates except as 
may be expressly set forth in other Articles of this Agreement.

          12.1.3    The confidentiality obligations set forth in this Article 
12 shall supersede the Confidential Disclosure Agreement dated as of July 22, 
1998 between the Parties ("Confidentiality Agreement"), shall govern any and 
all information disclosed by either Party to the other pursuant thereto, and 
shall be retroactively effective to the date of such Confidential Disclosure 
Agreement.

     12.2 USE OF INFORMATION.  Each Party shall use, and cause each of its 
Affiliates to use, any Confidential Information obtained by it from the other 
Party or their respective Affiliates, pursuant to this Agreement or 
otherwise, solely in connection with the transactions contemplated hereby.

     12.3 RELIEF.  Each Party shall be entitled, in addition to any other 
right or remedy it may have, at law or in equity, to an injunction, without 
the posting of any bond or other security, enjoining or restraining any other 
Party from any violation or threatened violation of this Article 12.

13.  TERMINATION.

     13.1 TERM.  This Agreement shall become effective as of the effective 
date of this Agreement first set forth above and, unless sooner terminated as 
provided in this Article 13, shall terminate:

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<PAGE>

          13.1.1    As to Azactam-Registered Trademark- and all rights 
granted hereunder with respect to said Product, on October 1, 2005  (the 
"AZACTAM-Registered Trademark- TERM").

          13.1.2    As to Maxipime-Registered Trademark- and all rights 
granted hereunder with respect to said Product, on February 1, 2008 (the 
"MAXIPIME-Registered Trademark- TERM").

     13.2 BREACH.  

          13.2.1    Failure by either Party to comply with any of the 
material obligations contained in this Agreement shall entitle the other 
Party, if it is not in material default hereunder, to give to the Party in 
default notice specifying the nature of the default and requiring it to cure 
such default. If such default is not cured within 60 days after the receipt 
of such notice (or, if such default cannot be cured within such 60-day 
period, if the Party in default does not commence and diligently continue 
substantive actions to cure such default), the notifying Party shall be 
entitled, without prejudice to any of its other rights conferred on it by 
this Agreement and in addition to any other remedies available to it by law 
or in equity, to terminate this Agreement by giving written notice to take 
effect immediately upon delivery of such notice.

          13.2.2    Termination by a Party of the Supply Agreement, in whole 
or as to a given Product, for failure on the part of the other Party to 
comply with any of the material obligations contained in said Supply 
Agreement shall entitle the terminating Party thereunder, without prejudice 
to any of its other rights conferred on it by this Agreement and in addition 
to any other remedies available to it by law or in equity, to terminate this 
Agreement (provided that if such Supply Agreement is only terminated as to a  
specific Product, then termination hereunder shall be as to such Product 
only) by giving written notice to take effect immediately upon delivery of 
such notice.

     13.3 INSOLVENCY OR BANKRUPTCY.  In the event that a Party shall have 
become insolvent or bankrupt, or shall have made an assignment for the 
benefit of its creditors, or there shall have been appointed a trustee or 
receiver of such Party for all or a substantial part of its property, or any 
case or proceeding shall have been commenced or other action taken by or 
against such Party (as to which, if involuntary commenced against such Party, 
such Party is not able to obtain dismissal within 90 days after commencement 
thereof) in bankruptcy or seeking reorganization, liquidation, dissolution, 
winding-up, arrangement, composition or readjustment of its debts or any 
other relief under any bankruptcy, insolvency, reorganization or other 
similar act or law of any jurisdiction now or hereafter in effect, then such 
Party shall not be relieved in any respect of its obligations hereunder, and, 
in addition to any other remedies available to it by law or in equity, the 
other Party may terminate this Agreement, in whole or in part as the 
terminating Party may determine, by written notice to such Party.

     13.4 OTHER TERMINATION SITUATIONS.  BMS may (without prejudice to any of
its other rights conferred on it by this Agreement or by law) terminate this
Agreement effective immediately by giving written notice to such effect to

                                       44
<PAGE>

DURA in the event that:

          13.4.1    DURA engages in illegal activities or illegal conduct 
which materially and adversely  damages the market or potential market for a 
Product (i) in the Territory and/or (ii) in other countries of the world when 
taken as a whole; or

          13.4.2.   BMS withdraws a given Product from the U.S. market for 
safety reasons in connection with a withdrawal of such Product from its 
markets worldwide generally for such reasons (in which event the termination 
shall be limited to such Product only).

     13.5 EFFECT OF TERMINATION.

          13.5.1    Upon termination of this Agreement by BMS pursuant to 
Section 13.2 (as to the entire Agreement), 13.3, or 13.4.1, DURA shall 
promptly: (i) return to BMS all relevant records, materials or confidential 
information relating to the Products in its (or any Affiliates or 
contractors') possession or control; (ii) except as provided in Section 
13.5.3, discontinue all marketing, sale, and distribution of the Products, 
and, where BMS elects to purchase same pursuant to Section 13.5.3 or is 
required to purchase same pursuant to Section 13.5.4, return in accordance 
with Section 13.5.3 or 13.5.4, as the case may be, any inventory of Products 
then on hand at DURA facilities or that of its designee (with BMS to 
reimburse DURA for transportation charges of same to BMS); and (iii) except 
as provided in Section 13.5.3, discontinue use of the Trademarks, destroy all 
advertising or other printed materials bearing the Trademarks, cooperate with 
BMS to execute such documents and take such actions as may be necessary to 
cancel any registration of DURA, if applicable, as a Permitted User or 
Registered User of the Trademarks, and DURA's right to use the Trademarks for 
the Products in the Territory shall terminate.

          13.5.2    Upon expiration of this Agreement or upon the termination 
of this Agreement by BMS pursuant to Section 13.1, 13.2.2 (as to a given 
Product), or 13.4.2, DURA shall promptly:  (i) return to BMS all relevant 
records, materials or confidential information relating to the affected 
Product in its (or any Affiliates or contractors') possession or control; 
(ii) except as provided in Section 13.5.3, discontinue all marketing, sale, 
and distribution of the affected Product, and, where BMS elects to purchase 
same pursuant to Section 13.5.3 or is required to purchase same pursuant to 
Section 13.5.4, return in accordance with Section 13.5.3 or 13.5.4, as the 
case may be, any inventory of the affected Product then on hand at DURA 
facilities or that of its designee (with BMS to reimburse DURA for 
transportation charges of same to BMS, except that, if terminated by BMS 
pursuant to Section 13.2, then such transportation charges shall be at DURA's 
expense); and (iii) except as provided in Section 13.5.3, discontinue use of 
the Trademarks, destroy all advertising or other printed materials bearing 
the Trademarks, cooperate with BMS to execute such documents and take such 
actions as may be necessary to cancel any registration of DURA as a Permitted 
User or Registered User of the Trademarks with respect to the affected 
Product, and DURA's right to use the Trademarks for the affected Product in 
the Territory shall terminate.

                                       45
<PAGE>

          13.5.3    Upon expiration of this Agreement or upon the termination 
of this Agreement by BMS pursuant to any of Sections 13.1 or 13.3, DURA shall 
be entitled, for three (3) months following such termination, to sell in the 
Territory any Product then on hand and to use the Trademarks for such limited 
purpose, subject to the following.  Upon expiration of this Agreement or upon 
the termination of this Agreement by BMS pursuant to any of Sections 13.1, 
13.3, 13.4.1 or 13.4.2, BMS may elect in its sole and absolute discretion, 
upon written notice given to DURA at any time prior to the end of said 
3-month period, to purchase from DURA, and DURA shall (if such written notice 
is provided by BMS) sell to BMS, such amount (including up to all) of the 
Product then in DURA's inventory at the end of such 3-month period at the 
price paid for each Product by DURA as BMS may elect to purchase; PROVIDED , 
however, that, where such written notice was provided by BMS, BMS shall not 
be obligated to repurchase any Products which are not in good condition, 
which are labeled as requiring storage under refrigerated or freezing 
conditions, which are not in full, unopened, factory-sealed cases, whose 
labeling or packaging have been altered or damaged, or which have at the time 
of return a then remaining shelf life of less than twelve (12) months for any 
Product.  

          13.5.4    Upon the termination of this Agreement by DURA pursuant 
to Section 13.2 or 13.3,  DURA shall be entitled, for three (3) months 
following such termination, to sell in the Territory any Product then on hand 
to which such termination applies and to use the Trademarks for such limited 
purpose, subject to the following.  DURA may elect upon written notice to BMS 
given within said 3-month period, to require that BMS purchase from DURA, and 
DURA shall sell to BMS, all Products then in DURA's inventory at the price 
paid for such Product by DURA; PROVIDED, however, that where DURA provides 
such written notice, BMS shall not be obligated to repurchase any such 
Product which is not in good condition, which are labeled as requiring 
storage under refrigerated or freezing conditions, which are not in full, 
unopened, factory-sealed cases, whose labeling or packaging have been altered 
or damaged, or which have at the time of return a then remaining shelf life 
of less than twelve (12) months for any Product.

          13.5.5    Neither BMS or DURA shall incur any liability to the 
other by reason of the expiration or termination of this Agreement as 
provided herein, nor for its non-renewal, whether for loss of goodwill, 
anticipated profits or otherwise, and BMS and DURA shall accept all rights 
granted and all obligations assumed hereunder, including those in connection 
with such expiration or termination in full satisfaction of any claim 
resulting from such expiration or termination.

          13.5.6    Any acceptance by BMS of any order from DURA or the sale 
of any Products by BMS to DURA after the expiration or termination of this 
Agreement shall not be construed as a renewal or extension of this Agreement 
or as a waiver of termination thereof.

          13.5.7    Exercise by a Party of its rights as to return, sale and 
resale of Products under this Section 13.5 shall preclude the exercise of 
such rights a second time under Section 10.5 of the Supply Agreement.

          13.5.8    Upon termination of this Agreement by either Party prior to
the expiration of the applicable

                                       46
<PAGE>

Term for a given Product, all rights granted to DURA under Article 2 hereof 
with respect to such Product shall terminate and revert solely in BMS, and 
DURA shall cease all marketing, sale, promotion and distribution of such 
Product, except as may be expressly set forth in this Section 13.5.  Upon 
expiration of this Agreement at the applicable Term for a given Product, 
either Party may market such Product thereafter, subject to the rights 
granted to DURA under Section 2.2 and 2.3 hereof.

     13.6 ACCRUED RIGHTS, SURVIVING OBLIGATIONS.

          13.6.1    Termination, relinquishment or expiration of this 
Agreement for any reason shall be without prejudice to any rights which shall 
have accrued to the benefit of either Party prior to such termination, 
relinquishment or expiration. Such termination, relinquishment or expiration 
shall not relieve either Party from obligations which are expressly indicated 
to survive termination or expiration of this Agreement.

          13.6.2    All of the Parties' rights and obligations under Articles 
1, 10, 11, 12, and 17, and Sections 2.2.3 (where applicable following 
expiration of the applicable Term for a Product), 2.3, 3.2, 3.3.1, 3.3.2, 
3.5.1, 3.7 (where applicable), 3.8 (where applicable), 4.2, 4.4.3, 4.4.4, 
4.5, 4.7, 4.8, 4.9, 4.10, 4.11, 4.12, 5.2.4, 5.2.7, 5.2.8, 6.1, 6.2, 6.4, 
6.5, 6.6., 6.7, 8.3 (where applicable), 8.4, 9.4, 9.5, 13.5 and 13.6 shall 
survive termination.

14.  CONCURRENT TRANSACTIONS.

     14.1 EXECUTION AND DELIVERY OF DOCUMENTS.  Contemporaneously with the 
execution and delivery of this Agreement, and in reliance upon the 
representations and warranties set forth herein, the Parties hereto agree to 
execute and deliver the following documents:

     (i)  The Supply Agreement attached as EXHIBIT 14.1.1 hereto; and

     (ii) The Interim Services Agreement attached as EXHIBIT 14.1.2 hereto.

15.  NOTICES.

     15.1 NOTICES.  Unless otherwise explicitly set forth herein, any notice
required or permitted to be given hereunder shall be in writing and shall be
delivered personally by hand, or sent by reputable overnight courier, signature
required, to the addresses of each Party set forth below or to such other
address or addresses as shall be designated in writing in the same matter:

          (a)  If to BMS:

                                       47
<PAGE>

               Bristol-Myers Squibb U.S. Pharmaceutical Group
               777 Scudders Mill Road
               Plainsboro, NJ  08536
               Attention: President - U.S. Pharmaceuticals Group


with a copy to its Vice President and Senior Counsel, U.S. Pharmaceuticals
Group, at the same address.


          (b)  If to DURA:

               Dura Pharmaceuticals, Inc.
               7475 Lusk Boulevard
               San Diego, CA 92121
               Attention: President 

with a copy to its General Counsel at the same address.

All notices shall be deemed given when received by the addressee.

16.  NON-SOLICITATION.

     16.1 NON-SOLICITATION.  For a period of three (3) years following the 
Effective Date, neither Party or its Affiliates shall employ, contract with, 
or solicit, directly or indirectly, any employee of the other Party or any of 
its Affiliates, wherever located, who was or is at any time a member of the 
research and development group, franchise management group, manufacturing 
group, financial group, or sales force or marketing group and whose duties 
encompassed any duties pertaining to any Product, without the prior written 
consent of the other Party; provided, that the foregoing restriction on 
solicitation shall not apply to advertisements run in trade journals or other 
publications or on the Internet that are targeted to qualified individuals 
generally for the position in question.

17.  MISCELLANEOUS PROVISIONS.

     17.1 ASSIGNMENT.  Neither Party shall assign or otherwise transfer this 
Agreement or any interest herein or right hereunder without the prior written 
consent of the other Party, and any such purported assignment, transfer or 
attempt to assign or transfer any interest herein or right hereunder shall be 
void and of no effect; except that each Party (i) may assign its rights and 
obligations hereunder to an Affiliate without the prior consent of the other 
Party (although, in such event, the assigning Party shall remain primarily 
responsible for all of its obligations and agreements set forth herein, 
notwithstanding such assignment) and (ii) may assign its rights and 
obligations to a successor (whether by merger, consolidation, reorganization 
or other similar event) or purchaser of all or substantially all of its 
business assets relating to all Products, provided, that such successor or 
purchaser has agreed in writing to assume all of such Party's rights and 
obligations hereunder and a copy of such assumption is provided to the other 
Party hereunder.

                                       48
<PAGE>

     17.2 NON-WAIVER.  Any failure on the part of a Party to enforce at any 
time or for any period of time any of the provisions of this Agreement shall 
not be deemed or construed to be a waiver of such provisions or of any right 
of such Party thereafter to enforce each and every such provision on any 
succeeding occasion or breach thereof.

     17.3 DISPUTE RESOLUTION.

          17.3.1    The Parties recognize that disputes as to certain matters 
may from time to time arise during the term of this Agreement which relate to 
either Party's rights and/or obligations hereunder.  It is the objective of 
the Parties to establish procedures to facilitate the resolution of disputes 
arising under or in connection with this Agreement, including without 
limitation all financial disputes and any disputes as to the validity, 
construction, performance, default, or breach hereof, in an expedient manner 
by mutual cooperation and without resort to litigation.  To accomplish this 
objective, but subject to Section 17.3.3 below, the Parties agree to follow 
the procedures set forth in this Section 17.3 if and when such disputes arise 
under or in connection with this Agreement between the Parties (except as 
provided in Section 14.3.4 of the Supply Agreement).  If the Parties cannot 
resolve the dispute within 30 days of formal request by either Party to the 
other, any Party may, by written notice to the other, have such dispute 
referred to the President of DURA and the President of the BMS U.S. 
Pharmaceutical Group (or their designees) for attempted resolution by good 
faith negotiations.  If such personnel are unable to resolve such dispute 
within thirty (30) days after such notice is received, then such dispute 
shall be finally resolved, but only if written notice is thereafter served by 
a Party on the other Party specifically requesting binding arbitration 
pursuant to Section 17.3.2, by binding arbitration (except as set forth in 
Section 14.3.4 of the Supply Agreement) under Section 17.3.2 hereof.

          17.3.2    Where a Party has served a written notice upon the other 
requesting binding arbitration of a dispute pursuant to this Section 17.3.2, 
any such arbitration shall be held in New York, New York (if DURA was the 
Party providing such written notice) or in San Diego, California (if BMS was 
the Party providing such written notice), according to the Commercial 
Arbitration Rules (the "Rules") of the American Arbitration Association.  Any 
arbitration herewith shall be conducted in the English language.  The 
arbitration shall be conducted by one arbitrator who is knowledgeable in the 
subject matter which is at issue in the dispute and who is selected by mutual 
agreement of the Parties or, failing such agreement, shall be selected 
according to the AAA rules.  The Parties shall have such discovery rights as 
the arbitrator may allow, but in no event broader than that discovery 
permitted under the Federal Rules of Civil Procedure.  In conducting the 
arbitration, the arbitrator shall apply the New York Rules of Evidence, and 
shall be able to decree any and all relief of an equitable nature, including 
but not limited to such relief as a temporary restraining order, a 
preliminary injunction, a permanent injunction, or replevin of property, as 
well as specific performance.  The arbitrator shall also be able to award 
direct, indirect and, where permitted by this Agreement, consequential 
damages, but shall not award any other form of damage (e.g., punitive or 
exemplary damages). The reasonable fees and expenses, of the arbitrators, 
along with the reasonable legal fees and expenses of the prevailing Party 
(including all expert witness fees and expenses), the fees and expenses of a 
court reporter, and any expenses for a hearing room, shall be paid as 
follows:  If the arbitrators rule in favor of one Party on all disputed 
issues in the arbitration, the losing Party shall pay 100% of

                                       49
<PAGE>

such fees and expenses; if the arbitrators rule in favor of one Party on some 
issues and the other Party on other issues, the arbitrators shall issue with 
the rulings a written determination as to how such fees and expenses shall be 
allocated between the Parties.  The arbitrators shall allocate fees and 
expenses in a way that bears a reasonable relationship to the outcome of the 
arbitration, with the Party prevailing on more issues, or on issues of 
greater value or gravity, recovering a relatively larger share of its legal 
fees and expenses.  The decision of the arbitrators shall be final and may be 
entered, sued on or enforced by the Party in whose favor it runs in any court 
of competent jurisdiction at the option of such Party.  Whether a claim, 
dispute or other matter in question would be barred by the applicable statute 
of limitations, which statute of limitations also shall apply to any claim or 
disputes subject to arbitration under this Section, shall be determined by 
binding arbitration pursuant to this Section.

          17.3.3    Notwithstanding anything to the contrary in this Section 
17.3, either Party may seek immediate injunctive or other interim relief 
without resort to arbitration from any court of competent jurisdiction as 
necessary to enforce and prevent infringement of the patent rights, copyright 
rights, trademarks, trade secrets, or other intellectual property rights 
owned or controlled by a Party or its Affiliates or to prevent breach of 
Article 12 hereof.

     17.4 ENTIRETY OF AGREEMENT.  This Agreement, the Exhibits attached 
hereto, and the Related Agreements where herein referenced, contains the 
entire understanding of the Parties with respect to the subject matter hereof 
and thereof and supersedes all previous and contemporaneous verbal and 
written agreements, representations and warranties with respect to such 
subject matter. This Agreement (or any provision or term hereof) may be 
released, waived, changed or supplemented only by a written agreement signed 
by an officer or other authorized representative of the Party against whom 
enforcement of any release, waiver, change or supplement is sought.  This 
Agreement shall not be strictly construed against either Party hereto.

     17.5 PUBLIC ANNOUNCEMENTS.  The form and content of any public 
announcement to be made by one Party regarding this Agreement, or the subject 
matter contained herein, shall be subject to the prior written consent of the 
other Party (which consent may not be unreasonably withheld), except as may 
be required by applicable law (including, without limitation, disclosure 
requirements of the SEC, NASDAQ, or any other stock exchange) in which event 
the other Party shall use commercially reasonable efforts to give the other 
Party reasonable advance notice and reasonable opportunity to review any such 
disclosure.

     17.6 GOVERNING LAW.  This Agreement shall be governed by and construed 
in accordance with the internal laws of the State of New York, without regard 
to its conflicts of law principles.

     17.7 RELATIONSHIP OF THE PARTIES.  In making and performing this 
Agreement, the Parties are acting, and intend to be treated, as independent 
entities and nothing contained in this Agreement shall be construed or 
implied to create an agency, partnership, joint venture, or employer and 
employee relationship between BMS and DURA.  Except as otherwise provided 
herein, neither Party may make any representation, warranty or commitment, 
whether express or

                                       50
<PAGE>

implied, on behalf of or incur any charges or expenses for or in the name of 
the other Party.  No Party shall be liable for the act of any other Party 
unless such act is expressly authorized in writing by both Parties hereto.

     17.8 COUNTERPARTS.  This Agreement shall become binding when any one or 
more counterparts hereof, individually or taken together, shall bear the 
signatures of each of the Parties hereto.  This Agreement may be executed in 
any number of counterparts, each of which shall be deemed an original as 
against the Party whose signature appears thereon, but all of which taken 
together shall constitute but one and the same instrument.

     17.9 SEVERABILITY.  If any part of this Agreement is declared invalid by 
any legally governing authority having jurisdiction over either Party, then 
such declaration shall not affect the remainder of the Agreement and the 
Parties shall revise the invalidated part in a manner that will render such 
provision valid without impairing the Parties' original intent.

     17.10 CUMULATIVE RIGHTS.  Except as herein expressly provided, the 
rights, powers and remedies hereunder shall be in addition to, and not in 
limitation of, all rights, powers and remedies provided at law or in equity, 
or under any other agreement between the Parties, and all of such rights, 
powers and remedies shall be cumulative, and may be exercised successively or 
cumulatively.

     17.11 NO OTHER RIGHTS.  No rights or licenses in or to either Party's 
patent rights, know-how, copyrights or trademarks are granted by a Party to 
the other, or shall be created or implied hereunder, except those licenses 
and rights that are expressly granted in this Agreement.

     17.12 EXPENSES.  BMS and DURA shall each bear their own direct and 
indirect expenses incurred in connection with the negotiation and preparation 
of this Agreement and the Related Agreements and, except as set forth in this 
Agreement or any Related Agreements, the performance of the obligations 
contemplated hereby and thereby.

  [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK-THE SIGNATURE PAGE FOLLOWS]




                                       51
<PAGE>

     IN WITNESS WHEREOF, each of the Parties has caused this Agreement to be
executed in multiple counterparts by its duly authorized representative.


DURA PHARMACEUTICALS, INC.            BRISTOL-MYERS SQUIBB COMPANY


By: /s/ Julia Brown                   By: /s/ Donald J. Hayden, Jr.
   ----------------------------          -------------------------------------
        Julia Brown                           Donald J. Hayden, Jr.

Title: Executive Vice President       Title: President-Worldwide Medicines Group
      -------------------------              -----------------------------------

Date: December 21, 1998               Date:
      -------------------------             ------------------------------------



                [SIGNATURE PAGE TO THE DISTRIBUTION AGREEMENT]


                                       52
<PAGE>

                                       EXHIBITS

Exhibit 1.1A   -    List of Products and Trademarks

Exhibit 1.1B   -    Specifications for the Products

Exhibit 3.5.2  -    List of Bundled Contracts

Exhibit 6.1    -    Adverse Event Reporting; Product Complaints

Exhibit 6.2    -    Professional Services

Exhibit 8.1.3  -    Credit or Payment Schedule upon Termination for Voluntary
                    Withdrawal of a Product for Safety Reasons

Exhibit 8.3.1  -    Form of Other Payment Report

Exhibit 9.1    -    Exceptions to Mutual Representations and Warranties

Exhibit 9.2    -    Exceptions to Representations and Warranties of BMS

Exhibit 9.3    -    Exceptions to Representations and Warranties of DURA

Exhibit 14.1.1 -    Form of Supply Agreement

Exhibit 14.1.2 -    Form of Interim Services Agreement

                                       53

<PAGE>

                                    Exhibit 2.2*
                                           
                                  SUPPLY AGREEMENT
        FOR MAXIPIME-Registered Trademark- AND AZACTAM-Registered Trademark-


     This AGREEMENT is made between Bristol-Myers Squibb Company, a 
corporation duly organized and existing under the laws of the state of 
Delaware, having offices at Route 206 and Province Line Road, Princeton, New 
Jersey 08543-4000 ("BMS") and Dura Pharmaceuticals, Inc., a corporation duly 
organized and existing under the laws of the State of Delaware, and having 
offices at 7475 Lusk Boulevard, San Diego, CA 92121 ("DURA").

                                           
                                       RECITALS

     A.   BMS markets two products known as Maxipime-Registered 
Trademark-(Cefepime Hydrochloride) and Azactam-Registered Trademark- 
(Aztreonam).

     B.   By separate agreement of even date herewith, DURA has obtained the 
right to distribute, market, and sell these two products in the United States 
and to use BMS's trademarks for such two products in such country, and BMS 
has granted such distribution rights to DURA, on the terms and conditions set 
forth in said separate Agreement.

     C.   DURA also wishes to purchase from BMS, and BMS wishes to supply to 
DURA, DURA's entire requirements of each Product (as hereinafter defined), 
for use in the United States only, pursuant to the terms and conditions set 
forth in this Agreement.

     NOW, THEREFORE, in consideration of the foregoing recitals and the 
mutual covenants and agreements of the Parties contained in this Agreement, 
the Parties agree as follows:

1.   DEFINITIONS.

     For all purposes of this Agreement, (i) the terms defined in this 
Article 1 will have those meanings set forth in this Article 1, unless the 
context in the text of the Agreement dictates otherwise; and (ii) all dollar 
amounts refer to United States dollars.

     "ABBOTT LICENSE AGREEMENT" means the Agreement executed in 1985 between 
Abbott Laboratories, Inc. ("Abbott") and Bristol-Myers Squibb Company, as 
heretofore amended and as the same may be amended hereafter, covering, among 
other matters, the license by Abbott to make and use ADD-Vantage-TM- Vials 
containing certain BMS drugs, including Maxipime-Registered Trademark-, 
within the Territory.

     "AFFILIATE", with respect to any Party, means any Person controlling, 
controlled by, or under common control with, such Party.  For these purposes, 
"control" shall refer to: (a) the possession, directly or indirectly, of the 
power to direct the management or policies of a Person or to veto any 
material decision relating to the management or policies

                                       1

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

of a Person, in each case, whether through the ownership of voting 
securities, by contract or otherwise, or (b) the ownership, directly or 
indirectly, of at least 50% of the voting securities of a Person.

     "AGREEMENT" means this agreement, together with all appendices, exhibits 
and schedules hereto, and as the same may be amended or supplemented from 
time to time hereafter by a written agreement duly executed by authorized 
representatives of each Party hereto.

     "AGREEMENT QUARTER" means each three-month period commencing on the 
first day of January, April, July, or October, as the case may be, during the 
Term.

     "AGREEMENT YEAR" means each 12-month period commencing on January 1 
during the Term.

     "AZACTAM-Registered Trademark- TERM" has the meaning set forth in 
Section 10.1 hereof.

     "BAXTER SUPPLY AGREEMENT" means the Agreement dated June 6, 1986 between 
Travenol Laboratories, Inc. ("Baxter") and E.R. Squibb & Sons, Inc., as 
heretofore amended and as the same may be amended hereafter, covering, among 
other matters, the supply by Baxter to BMS customers of Azactam-Registered 
Trademark- in packaged, premixed, sterile filled and frozen form in Baxter's 
VIAFLEX-Registered Trademark- plastic container delivery system (now know as 
the GALAXY-Registered Trademark- system)  within the Territory.

     "BMS ENTITIES" means BMS and those BMS entities that (i) distribute, 
sell, or market any of the Products in the Territory; (ii) own or control any 
of the rights licensed to DURA hereunder; (iii) own or control any of the 
assets that are used in and are material to the conduct of the Business; 
and/or (iv) are party to any Third Party contracts that are material to the 
conduct of the Business.

     "BUSINESS"  means the manufacture, distribution, sale and marketing of 
the Products within the Territory as conducted by BMS and its Affiliates as 
of the Execution Date.  The Business does not include any of the operations, 
technology, intellectual property rights, research or assets relating to (A) 
any other product of BMS or any of its Affiliates or (B) the manufacture, 
distribution, marketing or sale of the Products for use outside the Territory.

     "COMMERCIALLY REASONABLE EFFORTS" of a Party shall mean those efforts 
consistent with the exercise of its prudent scientific and business judgment 
as applied to other research, development and commercialization efforts for 
products of similar scientific and commercial potential within the research 
programs and relevant product lines of such Party.

     "CONFIDENTIAL INFORMATION" has the meaning set forth in Article 9  
hereof.

     "CONFIDENTIALITY AGREEMENT" has the meaning set forth in Section 9.1.3 
hereof.

                                       2
<PAGE>

     "CONTROL" or "CONTROLLED BY" means, with respect to a right or license 
granted hereunder, possession by a Party or its Affiliates of the ability to 
grant a license or sublicense or to supply a Product in accordance with the 
terms of this Agreement, and without violating the terms of any agreement by 
such Party with any Third Party.

     "DISTRIBUTION AGREEMENT" means the separate agreement of even date 
herewith (as the same may be amended from time to time hereafter in 
accordance with the terms thereof), under which DURA has obtained the right 
to distribute, market, and sell the Products in the United States and BMS has 
granted such distribution rights to DURA, pursuant to the terms and 
conditions set forth in such separate agreement.

     "EFFECTIVE DATE" means January 1, 1999.

     "EXECUTION DATE" means the date that this Agreement is signed by the 
last Party to sign below.

     "FDA" means the United States Food and Drug Administration.

     "FUJISAWA LICENSE AGREEMENT" means the Agreement dated September 1, 
1984, as amended heretofore and from time to time hereafter, between Fujisawa 
Pharmaceutical Company, Ltd, a Japanese corporation, and BMS covering the 
license to BMS of certain U.S. and foreign patents covering certain 
monocyclic beta-lactam compounds, including Aztreonam,  starting materials, 
intermediates and manufacturing processes thereof.

     "IND" means an Investigational New Drug application filed with the FDA 
for any Product requesting permission to perform human clinical studies in 
accordance with 21 CFR Part 312, as the same may be amended or supplemented 
from time to time hereafter.

     "INTERIM SERVICES AGREEMENT" means the separate agreement of even date 
herewith (as the same may be amended from time to time hereafter in 
accordance with the terms thereof), under which BMS has agreed to provide 
certain interim services and Product co-promotion services to DURA, as more 
fully set forth therein.

     "KNOW-HOW" means, for each Product, any and all technical data, 
information, material and other know-how currently owned or controlled by BMS 
and its Affiliates or that may hereafter during the relevant Term for such 
Product be owned or controlled by BMS and its Affiliates and which relates to 
preclinical and clinical development, use and marketing of such Product; 
PROVIDED, however, that the foregoing shall not extend to any formulation or 
Manufacturing Know-How (including without limitation manufacturing processes 
and techniques and quality control assays and reference standards) owned or 
controlled by BMS or any of its Affiliates.
     
     "MANUFACTURING KNOW-HOW" means, for each Product, any and all technical 
data, information, material and other know-how currently owned or controlled 
by BMS and its Affiliates or that may hereafter during the relevant Term for 
such Product be owned or controlled by BMS and its Affiliates and which 
relates to the formulation or manufacture

                                       3
<PAGE>

of such Product (including without limitation manufacturing processes and 
techniques, bulk actives, intermediates and excipients, and quality control 
assays and reference standards).

     "MAXIPIME-Registered Trademark- TERM" has the meaning set forth in 
Section 10.1 hereof.

     "NDA" means a New Drug Application or Product License Application for 
any Product, as appropriate, requesting permission to place a drug on the 
market in accordance with 21 CFR Part 314, and all supplements filed pursuant 
to the requirements of the FDA, including all documents, data and other 
information concerning a Product which are necessary for FDA approval to 
market a Product in the  Territory.

     "PARTY" means BMS or DURA and, when used in the plural, shall mean BMS 
and DURA.

     "PERSON" means any natural person, corporation, firm, business trust, 
joint venture, association, organization, company, partnership or other 
business entity, or any government or any agency or political subdivision 
thereof.

     "PRODUCT" means any of the products listed on EXHIBIT 1.1A, packaged and 
labeled in accordance with applicable law and the applicable Product 
Registration, including all strengths and packaging configurations of the 
final finished dosage form presentations existing on the Effective Date, and 
any new products comprising either of the compounds Cefepime Hydrochloride or 
Aztreonam as may be added to this Agreement pursuant to Section 4.8 of the 
Distribution Agreement.

     "PRODUCT REGISTRATIONS" means the approvals or registrations for each 
Product which have been received by BMS in the Territory, including without 
limitation each IND, Drug Master File (DMF), and NDA for each Product.

      "PURCHASE PRICE" for a Product has the meaning set forth in Section 3.1 
hereof.

     "RECALL" has the meaning set forth in Section 8.1 hereof.

     "RELATED AGREEMENTS" means the Distribution Agreement and the Interim 
Services Agreement.

     "SPECIFICATIONS" for each Product means such specifications for each 
Product as set forth in  EXHIBIT 1.1B, as the same may be changed or 
supplemented by mutual written agreement of the Parties from time to time 
hereafter. 

     "TAKEDA LICENSE AGREEMENT" means the Agreement dated May 7, 1991, as 
amended heretofore and from time to time hereafter, between Takeda Chemical 
Industries, Ltd, a Japanese corporation and BMS covering the license to BMS 
of certain U.S. and foreign patents covering cephalosporins, including 
Cefepime, starting materials, intermediates and manufacturing processes 
thereof.

                                       4
<PAGE>

     "TERM" means the last to expire or terminate of the Azactam-Registered 
Trademark- Term or the Maxipime-Registered Trademark- Term, as set forth in 
Article 10 hereof.

     "TERRITORY" means the all fifty states of the United States of America. 
For sake of clarity and avoidance of doubt, Puerto Rico and any U.S. 
possessions and territories are not part of the Territory.

     "THIRD PARTY" means any Person who or which is neither a Party nor an 
Affiliate of a Party.

     "TO THE KNOWLEDGE OF" of a specified entity or any similar term means to 
the actual knowledge of the officers and key employees of the specified 
entity having operating responsibility for the business of such entity.

     "TRADEMARKS" means the trademarks registered by BMS for the marketing of 
the Products in the Territory, as more fully set forth on EXHIBIT 1.1A 
attached to the Distribution Agreement.

2.   GENERAL TERMS OF SUPPLY.

     2.1  SALE AND PURCHASE OF PRODUCT AND EXISTING INVENTORY.  Subject to 
Section 2.12 hereof:

          2.1.1     In order to ensure the quality of the Product to be 
distributed by DURA under the Distribution Agreement, BMS shall sell to DURA, 
and DURA shall, and shall cause each of its Affiliates to, purchase from BMS, 
all of their respective requirements for the Product for resale or use in the 
Territory during the applicable Term for a given Product,  pursuant to 
purchase orders submitted by DURA to BMS from time to time in accordance with 
Section 2.3 hereof, at price determined in accordance with Section 3.1, and 
subject to the warranties set forth in Section 5.2.  All Product purchased 
hereunder shall be resold solely in the Territory by DURA and its Affiliates. 
 Except as provided in Section 2.11 hereof and Section 3.5 of the 
Distribution Agreement, all Product(s) supplied under this Agreement shall be 
in finished dosage form, filled, labeled and packaged for commercial sale by 
DURA, and DURA shall not alter in any manner any Product or its packaging as 
sold to it by BMS and shall resell such Product without alteration in the 
form sold to it by BMS.

          2.1.2     BMS shall sell to DURA, and DURA shall purchase from BMS, 
BMS' finished goods inventory of each Product on hand as of the Effective 
Date, at the Purchase Price set forth in Section 3.2 hereof and subject to 
the warranties set forth in Section 5.2.1; PROVIDED, however, that the 
warranty set forth in Section 5.2.1(iv) shall not apply; and provided, 
further, that DURA shall not be obligated to purchase any Product inventory 
that does not have a minimum remaining shelf life of at least eighteen (18) 
months, nor shall DURA be required to purchase BMS finished inventory for a 
Product that exceeds more than the first three (3) months of DURA's 
requirements following the Effective Date for such Product (by SKU#) except 
with DURA's prior written consent.  All Product inventory purchased hereunder 
shall be resold solely in the Territory by DURA and its Affiliates.  Except 
as provided in Section 2.11 hereof and Section 3.5 of the Distribution 
Agreement, all Product inventory sold to DURA shall be in finished dosage 
form, filled, labeled

                                       5
<PAGE>

and packaged for commercial sale by DURA, and DURA shall not alter in any 
manner any Product or its packaging as sold to it by BMS and shall resell 
such Product without alteration in the form sold to it by BMS.

          2.1.3     Once BMS has received all necessary governmental 
approvals for such label, all Product manufactured after the Effective Date 
will be sold under a label where the Product will be identified as a 
BMS-manufactured Product with DURA identified as the distributor thereof.  
BMS shall control all labeling (and any changes or supplements thereto) for 
each Product in the Territory, and shall have the responsibility at its 
expense for securing any approvals required by FDA to any such changes or 
supplements thereto.  DURA shall not at any time do, cause to be done, or 
omit or permit any act inconsistent with the then existing labeling for any 
Product in the Territory.

          2.1.4     No terms and conditions contained in any purchase order, 
acknowledgment, invoice, bill of lading, acceptance or other preprinted form 
issued by either Party shall be effective to the extent they are inconsistent 
with or modify the terms and conditions contained herein.  All Product orders 
under this Agreement shall be for not less than BMS' minimum order quantities 
for a given batch of Product, as such minimum quantities are set forth on 
Exhibit 1.1A.

     2.2  FORECASTS.  Upon execution of this Agreement, and thereafter on the 
first business day of each calendar quarter during the applicable Term for a 
given Product, DURA shall provide BMS with a good faith rolling forecast 
("Forecast") of estimated quantities and anticipated delivery schedules, for 
each Product, for the following 24-month period, by calendar quarters; 
provided, that the first six (6) months of each such Forecast shall consist 
of the 3-month firm order placed by DURA concurrently with such Forecast 
pursuant to Section 2.3.2 (to be delivered within months 4-6 of such 
Forecast) and the 3-month firm order placed on the date of the previous 
Forecast (to be delivered within months 1-3 of the current Forecast) and the 
first nine (9) months of such Forecast for frozen premixed forms of 
Azactam-Registered Trademark- (to be shipped to DURA's customers by Baxter in 
accordance with Section 2.11) shall consist of the firm orders placed by DURA 
pursuant to Section 2.3.2.  Subject to the foregoing, the Parties agree to 
use commercially reasonable efforts to correspond and/or meet periodically, 
at mutually convenient times and places, to coordinate delivery of necessary 
supplies and to discuss each Party's requirements under this Agreement and 
the mechanisms that can be established to assure that those requirements are 
met on a timely basis.

     With respect to two of the Azactam-Registered Trademark- formulations 
(500 mg/vial, 15mL and 2g/btl, 100mL), the parties recognized that the BMS 
minimum batch sizes will result in the purchase by DURA of Product that may 
well result in the purchase by DURA of more Product than DURA will require to 
meet its delivery requirements over the succeeding three months following 
delivery as well to fulfill its minimum inventory maintenance requirements 
under Section 2.4.  The Parties agree to meet and confer following the 
Execution Date to discuss means of managing DURA's inventory requirements for 
these two Product SKU#s more effectively and to minimize potential write-offs 
due to out-of-date inventory. 

     2.3  ORDERING.  Subject to Section 2.12 hereof:

                                       6
<PAGE>

          2.3.1     Upon execution of this Agreement, DURA will provide BMS 
with its best estimate of its requirements for the first six (6) months (nine 
(9) months in the case of frozen premixed forms of Azactam-Registered 
Trademark- to be shipped to DURA's customers by Baxter in accordance with 
Section 2.11) after the Effective Date, which estimate shall be attached as 
EXHIBIT 2.3.1 hereto. BMS will supply such Product quantities as set forth in 
the BMS production schedule provided to DURA on December 18, 1998, and to the 
extent such amounts do not meet DURA's requirements as set forth in its 
estimated requirements for the first six months as set forth in EXHIBIT 
2.3.1, BMS will use commercially reasonable efforts to supply same in 
accordance with DURA's requirements therefor.  DURA agrees to purchase such 
quantities of each Product as supplied by BMS to meet DURA's requirements set 
forth on EXHIBIT 2.3.1 (which Product shall be supplied by BMS either from 
inventory purchased by DURA subject to and pursuant to Section 2.1.2 or from 
Product manufactured after the Effective Date).  Following the initial 
six-month period (or 9-month period for Baxter supplied Products, as the case 
may be), orders shall be filled in accordance with the Forecasts and orders 
provided and placed by DURA pursuant to Section 2.3.2.

          2.3.2     Except as provided in Section 2.3.1, three (3) months 
(six (6) months in the case of frozen  premixed forms of Azactam-Registered 
Trademark- to be shipped to DURA's customers by Baxter in accordance with 
Section 2.11) before the beginning of any calendar quarter during the 
applicable Term for a given Product, DURA shall place a firm order in writing 
to BMS of the Product quantities to be purchased by DURA with respect to such 
calendar quarter (and specify the delivery schedule and destination for the 
Products ordered). Except as provided in Section 2.3.4, BMS will supply any 
such purchase order received by it where the quantity ordered for a given 
Product is not in excess of one hundred fifteen percent (115%) of the 
quantity for such calendar quarter that was contained in the Forecast 
provided by DURA on the date that was six (6) months (nine (9) months in the 
case of frozen or premixed forms of Azactam-Registered Trademark- to be 
shipped to DURA's customers by Baxter in accordance with Section 2.11) prior 
to such calendar quarter.  Although BMS will use commercially reasonable to 
supply such excess quantity, BMS shall not be liable, for whatever reason, if 
it is unable to deliver any quantities ordered by DURA that are in excess of  
one hundred fifteen percent (115%) of the quantity for such calendar quarter 
that was contained in the Forecast provided by DURA on the date that was six 
(6) months (nine (9) months in the case of frozen or premixed forms of 
Azactam-Registered Trademark- to be shipped to DURA's customers by Baxter in 
accordance with Section 2.11) prior to such calendar quarter.  That portion 
of the excess which BMS cannot deliver as requested by such purchase order 
shall be delivered to and purchased by DURA in the first month thereafter as 
BMS is able to effect delivery of same.  Except as provided in Section 2.3.4, 
in the event that the quantity ordered by DURA for a given Product is less 
than eighty-five percent (85%) of the quantity for such calendar quarter that 
was contained in the Forecast provided by DURA on the date that was six (6) 
months (nine (9) months in the case of frozen premixed forms of 
Azactam-Registered Trademark- to be shipped to DURA's customers by Baxter in 
accordance with Section 2.11)  prior to such calendar quarter, DURA shall be 
obligated to pay to BMS such sum as it would have paid to BMS had it ordered 
eighty-five percent (85%) of the quantity for such calendar quarter that was 
contained in the Forecast provided by DURA on the date that was six (6) 
months (nine (9) months in the case of frozen premixed forms of 
Azactam-Registered Trademark- to be shipped to DURA's customers by Baxter in 
accordance with Section 2.11) prior to such calendar quarter.

          2.3.3      All Product ordered by DURA shall be consistent with BMS
batch sizes or multiples thereof,

                                       7
<PAGE>

as set forth in EXHIBIT 3.1.

          2.3.4     For deliveries to be made within the first year following 
the Effective Date, the eighty-five percent (85%) floor and the one hundred 
fifteen percent (115%) ceiling set forth in Section 2.3.2 shall be eighty 
percent (80%) and one hundred twenty percent (120%), respectively.

          2.3.5     Given that BMS' pricing for its Products will change on
* in accordance with Section 3.1, and in order to avoid a dispute over
the timing of price changes as they apply to orders, the Parties agree that once
DURA has placed its firm order for Product as of * of a given year,
the Purchase Price for Product firm-ordered by DURA thereafter shall be governed
by the new price that will apply on the following *.

     2.4  MINIMUM INVENTORY.

          2.4.1     DURA REQUIREMENT.  Subject to Section 2.4.3, DURA will 
use commercially reasonable efforts to maintain at least three (3) months' 
inventory (based on one-fourth of its Forecast for the 12-month period 
commencing on the first day of the calendar quarter for which such Forecast 
is provided) of each Product at all times beginning January 1, 2000 through 
the date that is three months prior to the end of the applicable Term for 
such Product (unless DURA and BMS have agreed in writing prior to such date 
that DURA will purchase any remaining stock of inventory on hand at the end 
of such applicable Term).

          2.4.2     BMS REQUIREMENT.  Subject to Section 2.4.3, beginning 
January 1, 2000, and subject to Section 2.12 hereof, BMS will use 
commercially reasonable efforts to maintain at least three (3) months' 
inventory of each Product at all times beginning January 1, 2000 through the 
date that is three months prior to the end of the applicable Term for such 
Product (unless DURA and BMS have agreed in writing prior to such date that 
DURA will purchase any remaining stock of inventory on hand at the end of 
such applicable Term).  Said three month inventory shall be based on one-half 
of the sum, as determined on the date that DURA places a firm order, of the 
quantity of a Product (i) previously firm ordered by DURA pursuant to Section 
2.3.2 for delivery within the 3-month period immediately preceding the date 
of such firm order and (ii) previously firm ordered by DURA for delivery 
within the 3-month period immediately following the date of such firm order.

     2.5  SHIPMENTS.  Except as provided in Section 2.11 hereof and Section 
3.5 of the Distribution Agreement, BMS shall ship each order, F.O.B. the BMS 
manufacturing facility for each Product, to DURA or its designee at the 
location specified, as instructed by DURA.  Freight and insurance shall be 
for the account of DURA or shall be reimbursed by DURA, and BMS shall use 
commercially reasonable efforts to assist DURA in arranging any desired 
insurance.  Title shall pass to DURA, and the risk of loss, delay or damage 
in transit shall be with DURA, from and after delivery to the designated 
carrier.  BMS shall package each Product for shipment (and shall instruct 
Baxter to package each premixed frozen Azactam-Registered Trademark- Product 
for shipment) in accordance with its (or Baxter's, as the case may be) 
customary practices therefor, unless otherwise specified by DURA, in which 
event, any extra costs incurred by BMS or

                                       8

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

Baxter on account of any changes requested by DURA shall be reimbursed by 
DURA.

     2.6  RECEIPT OF PRODUCT; ACCEPTANCE.

     Except as provided in the Baxter Supply Agreement or as specifically 
provided otherwise in Section 2.11 hereof or in any Related Agreement:

          2.6.1     On or before the delivery of each shipment of each 
Product, BMS will provide to DURA a Certificate of Analysis for the shipment 
being delivered.  DURA shall be entitled to reject any portion or all of any 
such shipment that does not conform to the Certificate of Analysis (other 
than as a result of damage in transit) or fails to comply in any material 
respect with any other Specifications mutually agreed upon in writing for 
such Product; PROVIDED, that DURA will notify BMS within fifteen (15) 
business days after receipt of the shipment as to whether DURA is rejecting 
such shipment.  If no such notice is provided by DURA, then DURA shall be 
deemed to have accepted the shipment ("Acceptance"); provided, that in the 
case of Products having latent defects which upon diligent examination by 
DURA upon receipt should not reasonably have been discovered, DURA must give 
written notice of rejection within twenty (20) days after DURA discovers or 
should reasonably have discovered such latent defect (and so long as DURA is 
able to demonstrate that such defect was not attributable to any act or 
omission  of DURA or the common carrier once the Product shall have been 
delivered by BMS to such common carrier).  Any notice of rejection by DURA 
shall be accompanied by a reasonably detailed statement of its reasons for 
rejection and a report of any pertinent analysis performed by DURA on the 
allegedly nonconforming Product, together with the methods and procedures 
used.  BMS shall notify DURA as promptly as reasonably possible, but in any 
event within ten (10) days after receipt of such notice of rejection, whether 
it accepts DURA's assertions of nonconformity.

          2.6.2     Whether or not BMS accepts DURA's assertion of 
nonconformity, promptly on receipt of a notice of rejection, BMS shall use 
commercially reasonable efforts to provide replacement Product for that 
rejected by DURA in the original shipment.  However, if the Product rejected 
by DURA from such original shipment ultimately is found to be nonconforming 
(whether pursuant to Section 2.6.3 or if BMS acknowledges same in writing), 
BMS shall, to the extent that DURA may previously have paid for such 
nonconforming Product, bear its own expenses of such replacement Product 
(including all transportation and/or disposal charges and cost of manufacture 
for such nonconforming Product), and BMS shall determine if the nonconforming 
Product shall be destroyed or returned to it.  If DURA shall not previously 
have paid for the allegedly nonconforming Product, and it is determined 
subsequently that such Product was in fact conforming (whether pursuant to 
Section 2.6.3 or if DURA acknowledges same in writing), then DURA shall be 
responsible for the purchase price for the allegedly nonconforming Product 
(including all transportation charges), as well as, upon receipt and 
acceptance by DURA in accordance with the procedures (and at the same price 
charged in the original shipment) set forth herein, the replacement Product.  
Replacement shipments shall also be subject to the procedures contained in 
this subparagraph.  BMS shall be under no obligation to accept a return of 
Product except as provided for in this subparagraph.

                                       9
<PAGE>

          2.6.3     If BMS disagrees with any alleged nonconformity, then an 
independent GMP laboratory (or other expert) of recognized repute, selected 
by BMS and reasonably acceptable to DURA, shall analyze an aliquot sample or 
such other portions of a shipment, furnished by DURA from the shipment 
received by DURA, as may be necessary to substantiate whether the shipment 
rejected by DURA conformed in all material respects to the Certificate of 
Analysis and/or any other pertinent Specifications.  The laboratory (or 
expert) shall use such procedures and tests as the laboratory may consider 
necessary or appropriate to reach a conclusion.  Both Parties agree to 
cooperate with the independent laboratory's reasonable requests for 
assistance in connection with its analysis hereunder.  Both Parties shall be 
bound by the laboratory's results of analysis, which, absent manifest error, 
shall be deemed final as to any dispute over compliance of the Product in all 
material respects with the Certificate of Analysis and/or any other pertinent 
Specifications.  The costs incurred by the laboratory shall be borne by the 
losing Party, or if the laboratory cannot place the fault noticed and 
complained about, then the Parties shall share equally the expenses connected 
with the expert.

          2.6.4     Where BMS accepts DURA's rejection of nonconformity (or 
if not, then following the decision of the independent laboratory that the 
shipment was nonconforming), BMS shall promptly make arrangements (but within 
30 days thereafter) for the return or disposal, at BMS's option, of any 
nonconforming Product.  If BMS requests that DURA dispose of such 
nonconforming Product, DURA shall lawfully destroy such Product promptly, and 
provide BMS with written certification of such destruction.  BMS shall pay 
(or reimburse DURA for) any reasonable return shipping charges or 
out-of-pocket costs incurred by DURA for such return shipment or lawful 
disposal of such nonconforming Product.

          2.6.5     All Products sold to DURA hereunder shall be used by DURA 
in accordance with the terms and conditions of this Agreement and the 
applicable terms and conditions of any applicable Related Agreement then in 
force and effect.

     2.7  QUALITY CONTROL; CHANGE IN SPECIFICATIONS OR SUPPLIER.

          2.7.1     Except as provided in the Baxter Supply Agreement or as 
specifically provided otherwise in Section 2.11 hereof or in any Related 
Agreement, BMS shall conduct quality control testing of the Product prior to 
shipment in accordance with the applicable NDAs and BMS' customary practices 
therefor (for Product shipped by Baxter, BMS' quality control testing shall 
be conducted solely on the bulk Product supplied by BMS prior to shipment to 
Baxter).  BMS shall retain records pertaining to such testing as required by 
law.

          2.7.2     BMS shall have the right, at its expense and in consultation
with DURA, to change the Specifications from time to time at any time during the
term of this Agreement or if BMS is required to do so by any regulatory agency
having jurisdiction over the Product, on not less than 120 days' prior written
notice to DURA.  In such event, BMS shall be responsible at its expense for
ensuring that any such change is approved by each applicable regulatory
authority in the Territory, and DURA shall provide reasonable cooperation to
BMS in connection therewith.  If a change requires prior approval by FDA, such
change will not be implemented in respect of such Product until such

                                       10
<PAGE>

change has been so approved.  BMS agrees to seek DURA's prior written consent 
(not to be unreasonably withheld) for changes to the Specifications that BMS 
may elect to make that would impose a material adverse cost upon DURA or that 
would involve a change in form or potency of any Product set forth on Exhibit 
1.1A.  

          2.7.3     BMS shall determine in its sole discretion, and may from 
time to time change, the source of supply of the Product without the consent 
of DURA, provided that BMS shall give DURA prior written notice of its 
intention to do so, and that BMS shall be responsible for securing all 
regulatory approvals at BMS' expense that may be required to effect such 
change.  DURA understands and accepts that BMS is planning to change its 
manufacturing facility for the Azactam-Registered Trademark- Product from 
BMS' New Brunswick, New Jersey facility to a BMS Affiliate's manufacturing 
facility in Anagni, Italy.

          2.7.4     BMS in its sole discretion shall determine, and may from 
time to time change without the consent of or notice to DURA, the Affiliate 
that shall invoice DURA for any Product supplied hereunder, and, subject to 
Section 2.7.2 hereof and to Section 4.4.3, 4.4.4 and 4.12 of the Distribution 
Agreement, any manufacturing processes used in manufacturing a given Product, 
any intermediates, excipients, reagents or other compounds used in the 
manufacture of any Product, and any suppliers of any components used in 
making a Product.

     2.8  RETENTION OF REGISTRATIONAL DOSSIER.

          2.8.1     BMS shall retain all rights, title and interests in and 
to the Product Registrations for each Product in the Territory.  DURA shall 
not at any time do, cause to be done, or omit or permit any act inconsistent 
with the Product Registration for any Product in the Territory.  In the event 
that any filings are required to be made with or approvals required to be 
obtained from applicable regulatory authorities in order to sell a Product to 
DURA or for DURA to initiate marketing and sale of a Product in the 
Territory, the Parties shall cooperate fully to ensure that such filings and 
approvals are obtained or made as expeditiously as reasonably practicable.

          2.8.2     BMS shall have sole responsibility  for maintaining, and 
shall use commercially reasonable efforts to maintain, the Product 
Registrations in the Territory at its expense, including without limitation 
filing IND and NDA Annual Reports.  BMS shall keep DURA informed on a timely 
basis as to any developments that would have a material adverse effect on a 
Product Registration.  Subject to such limitations as BMS may have under the 
Abbott License Agreement and the Baxter Supply Agreement with respect to 
access to and disclosure of information contained in the product 
registrations filed by such Third Parties with respect to their plastic 
container systems used in the manufacture of a Product, BMS shall provide 
DURA, upon request after reasonable notice from DURA, with access to copies 
of all filings submitted by BMS to the NDA for each Product (other than to 
the CMC section) and, with respect to clinical trials for the Products 
sponsored by BMS that are included in the NDA for a given Product, copies of 
the Application Summary for such Product, which provides a comprehensive 
summary of all clinical trials conducted under the NDA for such Product.  
Nothing set forth herein shall permit DURA to photocopy or otherwise make a 
reproduction of the NDAs without the prior written consent of a Vice 
President of BMS.  DURA shall cooperate with BMS with

                                       11
<PAGE>

respect to obtaining and/or maintaining the Product Registrations, and shall 
execute, acknowledge and deliver such further instruments at BMS' request and 
expense, and use commercially reasonable efforts to do all such other acts, 
as promptly as possible, which may be necessary or appropriate to obtain and 
maintain the Product Registrations in the Territory.  DURA shall, on a timely 
basis, provide to BMS all information that DURA has from time to time during 
the applicable Term for each Product that BMS does not have that is 
reasonably necessary and relevant to BMS's obligations hereunder to fulfill 
such Product Registration maintenance requirements (including, but not 
limited to, providing sales distribution information concerning the 
Products), and shall otherwise cooperate with BMS as reasonably necessary in 
connection therewith.  BMS shall have the final decision-making authority in 
every case on whether and how to supplement, amend or otherwise alter the 
Product Registrations and any other issues in connection with such Product 
Registrations (including, but not limited to, decisions to recall the 
Products) and on whether and how to communicate with the FDA and other 
applicable governmental agencies or authorities in connection therewith; 
PROVIDED, that BMS will not, except where required by, or to fulfill its 
obligations under, applicable law or except where required by a governmental 
agency or authority acting within the scope of its authority, supplement, 
amend or otherwise alter a Product Registration so as to materially and 
adversely alter the rights granted to DURA hereunder that are derived from 
such Product Registration.

     2.9  MATERIAL SAFETY DATA SHEETS.  BMS shall provide DURA with all 
material information currently known to BMS regarding handling precautions, 
toxicity, and hazards associated with each Product as the same are set forth 
in the applicable Material Safety Data Sheet for each Product provided by BMS 
to its own employees as in effect from time to time.

     2.10 BMS DISCRETION TO MAINTAIN MANUFACTURING PROCESS PATENTS, 
FORMULATIONS, AND SUPPLY CONTRACTS.

          2.10.1    Notwithstanding any other provision of this Agreement, 
including without limitation Article 7 hereof, BMS shall have the sole right, 
but not the obligation, at its sole discretion and expense, to prosecute, 
maintain, enforce, defend or abandon any patent rights and know-how owned or 
controlled by BMS covering the manufacture of a Product, except that BMS 
shall use commercially reasonable efforts to maintain, at its cost and 
expense (subject to Section 3.1 hereof), the patent rights licensed to it 
under (i) the Takeda License Agreement, (ii)  the Fujisawa License Agreement, 
and (iii) the Abbott License Agreement.  The foregoing shall not require BMS 
to grant additional rights or to provide any additional consideration to 
Takeda, Fujisawa or Abbott, as the case may be, beyond that which BMS is 
obligated to pay or provide under the terms of the current applicable 
agreement.

          2.10.2    Notwithstanding any provision of this Agreement that may 
imply or provide to the contrary,  BMS shall have the sole right, but not the 
obligation, at its sole discretion and expense, to  maintain and enforce any 
contract entered into by BMS covering the supply of any compounds, 
intermediates, biomaterials, packaging components, containers and other 
materials used in the manufacture of a Product, except that BMS shall use 
commercially reasonable efforts to maintain, at its cost and expense, the 
supply of Product under the Baxter Supply Agreement.  The foregoing shall not 
require BMS to extend such Agreement, to grant additional rights to Baxter, 
or to

                                       12
<PAGE>

provide any additional consideration to Baxter beyond that which BMS is 
obligated to pay or provide under the terms of the current applicable 
agreement.

          2.10.3    BMS shall have no obligation, express or implied, to 
develop new formulations, dosages, forms of administration, or preparations 
for the Product, other than those in effect as of the Effective Date.   DURA 
acknowledges and accepts that BMS may, at BMS' discretion and expense, pursue 
or conduct such studies as are necessary to convert Azactam-Registered 
Trademark-(other than the frozen, premixed presentation prepared by Baxter) 
from a lyophilized product to a crystalline, sterile dry powder fill product. 
BMS shall be responsible for making any regulatory filings and conducting 
any studies as are necessary, at its expense, to obtain regulatory approval 
for such dry powder fill product for Azactam-Registered Trademark-.  Upon 
receipt of regulatory approval to market a sterile dry powder fill product 
for Azactam-Registered Trademark-, such product shall replace the lyophilized 
Azactam-Registered Trademark- product as set forth in the Exhibits attached 
to this Agreement and to any Related Agreement.

     2.11 BAXTER SUPPLY AGREEMENT.  Pursuant to the terms of the Baxter 
Supply Agreement, BMS provides Baxter with bulk Aztreonam, and Baxter then 
fills, labels and packages the finished dosage form for all frozen  premixed 
presentations of the Azactam-Registered Trademark- Product.  Although all 
such presentations of the Azactam-Registered Trademark- Product are sold 
under agreement between BMS and the ultimate customer, Baxter stores all 
frozen premixed presentations of the Azactam-Registered Trademark- Product 
and ships same to each BMS customer in accordance with instructions provided 
by BMS.  BMS does not test said frozen premixed presentations of the 
Azactam-Registered Trademark- Product before the same are shipped to a 
customer by Baxter.  BMS will cooperate with DURA to ensure that such 
presentations of the Azactam-Registered Trademark- Product are shipped to 
DURA's customers in accordance with instructions provided by DURA and in 
accordance with the terms of the Baxter Supply Agreement, until such time as 
Baxter and DURA may enter into a separate agreement under which DURA shall 
inform Baxter directly of DURA's customers and delivery instructions for 
frozen premixed presentations of the Azactam-Registered Trademark- Product.
 
     2.12 MAXIMUM CAPACITY.  DURA acknowledges and agrees that BMS' supply 
obligations under this Agreement shall be limited to BMS' existing supply 
capacity for the supply of bulk compound for the Products for use in the 
Territory.  These supply capacities are set forth on Exhibit 2.12. 
Notwithstanding any other provision in this Agreement or any Related 
Agreement that may state or imply to the contrary, BMS shall not be obligated 
to manufacture or provide supplies of a Product for use in the Territory in 
excess of the bulk compound capacity for such Product as set forth on such 
Exhibit.  In the event that either Party believes that the market that DURA 
is building for either or both of these Products will exceed said BMS 
capacity for such Product, such Party shall so notify the other promptly, and 
the Parties agree to meet and confer with a view to finding a mutually 
agreeable solution to DURA's supply requirements.

     In the event that BMS is able to improve both its bulk and finished 
manufacturing processes for either Product in a manner that BMS believes may 
enable it to increase the maximum capacity limitation set forth on Exhibit 
2.12 without incurring any material additional cost (including without 
limitation direct and indirect costs, including overhead), BMS will consider 
in good faith (the decision for which shall be made at BMS' sole and absolute 
discretion and without any obligation, express or implied, to make any such 
change) adjusting the maximum capacity limitation on said Exhibit

                                       13
<PAGE>

to reflect such increased capacity figure.  DURA may request that BMS 
undertake such a review not more than once per annum, but BMS shall not be 
obligated to share the results of its analysis with DURA nor the data or 
inputs comprising such analyses.

     2.13 SUPPLY FOLLOWING APPLICABLE TERM FOR A PRODUCT.

          2.13.1    Three and one-half years prior to the end of the 
applicable Term for a given Product, the Parties will meet and confer for the 
purpose of discussing whether, and upon what terms, BMS would be willing to 
supply and DURA would be willing to purchase such Product following the 
applicable Term for such Product (it being understood that neither Party 
shall be obligated, expressly or impliedly, to agree to same).  If the 
Parties conclude that there is no mutual interest within three (3) months 
thereafter or are unable to reach a mutually acceptable written agreement on 
an extension of such supply by not later than three (3) years prior to the 
end of the applicable Term for a given Product, then, where permitted by and 
subject to the terms and conditions of Section 2.13.2, BMS shall provide to 
DURA or such Third Party manufacturer as DURA may designate, under an 
obligation of confidentiality (and any such Third Party contractor or 
subcontractor shall be required to sign a confidentiality agreement with 
respect to the nondisclosure and use of same), such Manufacturing Know-How 
(including a copy of, and/or rights of reference to, BMS' Product 
Registrations for such Product) as will enable DURA or such Third Party to 
make such Product only, and no other product, following the applicable Term 
for such Product; provided, that BMS shall not be obligated to provide more 
than one hundred twenty (120) man-hours of on-site consulting advice 
(including travel time) or devote any time or effort to the conduct of any 
tests, studies or assays required for the transfer of such manufacturing or 
the Product manufactured by or for DURA, unless BMS is reimbursed for its 
fully-burdened costs (including without limitation its personnel) incurred to 
provide such advice or services.

          2.13.2    Following the expiration of BMS' supply obligation for a 
Product, and provided that such supply obligation did not terminate as a 
result of the termination of this Agreement (or BMS' supply obligation 
hereunder as to such Product) prior to the end of the applicable Term for 
such Product as a result of any action taken by BMS pursuant to any of 
Sections 10.2, 10.3 or 10.4, BMS shall grant to DURA the nonexclusive right 
and license under any patent rights owned or controlled by BMS or any of its 
Affiliates, the nonexclusive right to reference BMS' Product Registrations 
for such Product, and to use the Manufacturing Know-How for the sole purpose 
of enabling DURA to make the Product (with right of sublicense solely to 
enable a Third Party to manufacture the Product) for the sole purpose of 
supplying DURA's requirements for marketing and sale of the Product within 
the Territory, but not to make any other product or to make the Product for 
sale outside the Territory; PROVIDED, that:

               2.13.2.1  The foregoing shall not apply to any rights as may 
be exclusively licensed to BMS under the Takeda License Agreement unless and 
until BMS and DURA shall have reached a written agreement as to same as set 
forth in Section 4.7 of the Distribution Agreement.  DURA shall be jointly 
and severally liable and responsible for all acts or omissions of any of its 
sublicensees;

                                       14
<PAGE>

               2.13.2.2  DURA (and its permitted sublicensees under this 
Section 2.13.2) shall comply with all terms and conditions of all agreements 
("Third Party License Agreements") covering the license of any rights to BMS 
that are sublicensed to DURA under this Section 2.13.2, in whole or in part, 
and shall reimburse BMS for any payments to be made by BMS to such Third 
Party licensor on account of the rights sublicensed by BMS to DURA, or on 
account of the exercise by DURA of the rights sublicensed to it, under such 
Third Party License Agreements (or, if BMS and DURA mutually agree in 
writing, DURA shall make such payments required to be made by it to the Third 
Party licensor directly).  DURA shall be primarily responsible and liable for 
the performance and compliance by its permitted sublicensees of the terms and 
conditions of this Agreement and any Third Party License Agreement;

               2.13.2.3  Each permitted sublicensee Party  shall have first 
agreed in writing with DURA and BMS to keep all necessary books and records 
and to permit BMS to review such books and records pursuant to this Agreement 
and to observe all other applicable obligations and terms imposed on DURA 
under this Agreement or any Third Party License Agreement applicable to the 
duties assigned, delegated and/or sublicensed to such Third Party by DURA.

               2.13.2.4  DURA shall indemnify and hold BMS and its Affiliates 
harmless from and against any liability, damages, loss, cost or expense 
incurred by BMS arising out of or in connection with a breach by DURA or any 
of its Affiliates (or any of its permitted sublicensees) of any of the terms 
and conditions of a Third Party License Agreement.  In the event of a breach 
by a DURA Affiliate of the applicable terms of a Third Party License 
Agreement, BMS, as well as such Third Party licensor (which shall be an 
express third party beneficiary of DURA's obligations thereunder) shall be 
entitled to proceed directly against DURA to enforce same or to pursue any 
remedies available to it, at law or in equity;

     As part of any transfer of manufacturing operations for a Product to 
DURA, DURA and BMS will coordinate an appropriate  phase-out of BMS' minimum 
inventory holding under Section 2.4 with respect to such Product to be 
manufactured by DURA so that BMS may avoid to the maximum practicable extent 
a write-off of any such inventory upon transfer.

     2.14 BACK-UP SUPPLY.  With respect to Maxipime-Registered Trademark-, 
BMS agrees to commercially reasonable efforts to qualify  a back-up facility 
or supplier for the finishing of packaged Maxipime-Registered Trademark- 
Product, but not bulk compound, as promptly as reasonably practicable after 
the Effective Date; PROVIDED, however, that BMS shall not be obligated to 
qualify a back-up supplier or facility to finish or package any of the 
Piggyback or ADD-Vantage-Registered Trademark- formulations for 
Maxipime-Registered Trademark- or any back-up supplier of the frozen, 
premixed formulation of Azactam-Registered Trademark- supplied by Baxter.  
BMS estimates that, unless unanticipated regulatory problems are encountered, 
BMS will  be able to qualify a back-up BMS finishing facility with one year 
after the Effective Date.  With respect to Azactam-Registered Trademark- 
(other than the frozen, premixed presentation prepared by Baxter), BMS has 
already qualified a Third Party (Ben Venue) as of the Effective Date to 
provide finished Product (but not bulk compound) for the lyophilized 
Aztreonam product.  If and when BMS switches to a crystalline, sterile dry 
powder fill Aztreonam product and has transferred the finishing and packaging 
for this Product

                                       15
<PAGE>

to its Anagni, Italy facility, BMS will use commercially reasonable efforts 
to qualify a back-up BMS facility or supplier of said finished, packaged 
Product (but not the bulk compound) within one-year after BMS has so 
transferred its finishing facility to Anagni, Italy to make the finished, 
packaged, sterile dry powder Aztreonam Product.  BMS will use commercially 
reasonable efforts to maintain, once established, a back-up supplier or 
back-up BMS finishing facility for packaging and finishing each Product 
during the applicable Term for such Product.  BMS shall be entitled to change 
in its discretion its back-up supplier or back-up supply facility once all 
necessary approvals have been obtained and shall give DURA prompt written 
notice of any such change.  It is understood that BMS is under no obligation 
to qualify a back-up supplier or facility to make bulk cefepime hydrochloride 
or bulk aztreonam.

     2.15 PRIORITY TO DURA.    In the event that BMS is unable to supply the 
total demands of all of its customers for firm orders of the Product provided 
for in this Agreement for any reason other than those covered by Article 11), 
BMS shall first allocate any available Product among firm orders placed by 
DURA and BMS' Third Party customers and licensees, excluding BMS' own 
divisions and departments, proportionately to the amounts so firm-ordered by 
DURA and by such Third Parties and licensees, with any balance then remaining 
being available for BMS' own divisions and departments.

3.   PURCHASE PRICE FOR PRODUCTS AND CLOSING INVENTORY.

     3.1  PURCHASE PRICE.  

          3.1.1     The purchase price for each Product sold to DURA pursuant to
Article 2 hereof shall be equal to the price for such Product set forth on
EXHIBIT 3.1 for purchase orders received by BMS under Section 2.4 prior to
*, as such price is adjusted on each anniversary date thereafter
as set forth in this Section 3.1 (the "Purchase Price").  The price of each such
Product shall be adjusted as of *, and on each * 
thereafter during the applicable Term for a Product, by  such percentage
increase or decrease in the U.S. Producers Price Index for Finished Goods (or
successor index) as published by the U.S. Department of Labor, Bureau of
Statistics (or successor governmental entity), as shall have occurred for the
immediately preceding twelve-month (1/1-12/31) period, subject, however, to such
additional adjustments as may occur as set forth in Sections 3.1.2 and 3.1.3
below.  The Purchase Price adjustment under this Section 3.1.1 shall be
retroactively effective to said *, even though the index figures needed
to calculate such change will not be available until published by the Bureau of
Statistics after *.

          3.1.2     Subject to Section 3.3, BMS may elect in its discretion to
adjust for any given year that portion of the prior year's Purchase Price of a
Product that represents such Product's variable costs (including without
limitation costs of labor, cost of supplies, materials increases, and cost of
Third Party supplies and services, but excluding overhead) by the actual
percentage change in such variable costs incurred in that year, rather than
adjusting such portion by the change in the index set forth above.  All other
components of the Purchase Price of such Product for such year shall be adjusted
by the index set forth above.  For purposes of pricing Product ordered by DURA
on said * and

                                       16

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

thereafter, all components of the Purchase Price of such Product shall be 
adjusted as of * by the change in the index as set forth in Section 3.1.1, 
until such time as BMS notifies DURA that it is electing to change said 
portion of the annual adjustment to the Purchase Price attributable to 
variable costs by said difference between the percentage change in the actual 
variable cost component of such Product and the percentage change 
attributable to the index.  Once BMS has so notified DURA in writing that BMS 
is electing, for such year, to change said portion of the annual adjustment 
to the Purchase Price that is attributable to variable costs by such 
difference between the percentage change in the actual variable cost 
component of such Product and the percentage change attributable to the 
index, then the Purchase Price with respect to firm orders placed by DURA 
after such date shall be increased accordingly effective upon receipt of such 
notice; however, for purposes of calculating future annual changes thereafter 
to the Purchase Price of the Product under Section 3.1.1,  such change shall 
be deemed to have occurred retroactively to *.  If BMS does not notify DURA 
of any change under this Section 3.1.2 within the year following the * date 
to which such change would be retroactively effective for purposes of 
calculating future annual changes thereafter to the Purchase Price under 
Section 3.1.1, BMS shall be deemed to have waived its right to apply this 
section 3.1.2 with respect to the year that the change in costs occurred. 

          For sake of clarity and avoidance of doubt, the following example 
is intended to illustrate how this Section 3.1.2 would work: Assuming that 
the Purchase Price of a vial of Product for a given SKU# is $20.00 on *, and 
the Producers Price Index increases by 5% between * and *, then the Purchase 
Price of the Product shall be automatically adjusted to $21.00 on 1/1/2000, 
both for purposes of calculating the price to be paid by DURA to BMS for firm 
orders on or after such date, as well as for setting the baseline price on 
which the following year's annual adjustment shall be made. Assume, too, that 
the sum of all of BMS' variable costs for the Product as of * represented 
$8.00 of the $20.00 Purchase Price, and that such variable costs actually 
increased in the aggregate by 10% over the * period.  If BMS notifies DURA 
within one (1) year after * that its variable prices for the Product actually 
rose by 10% for the period from * and that BMS is electing to adjust the 
Purchase Price for such SKU# in accordance with this Section 3.1.2 (and 
assume that BMS provides such notice on May 1, 2000), then: (i) the Purchase 
Price of such Product SKU# shall be increased to $21.40 ($20.00 + ($12.00 x 
 .05) + ($8.00 x .10)) for firm orders placed by DURA after May 1, 2000; (ii) 
for purposes of determining the annual price adjustment on *, the Purchase 
Price of the Product on * shall be deemed to have been $21.40 (with variable 
costs comprising $8.80 of such figure); and (iii) DURA shall be entitled to 
exercise its audit rights under Section 3.3 with respect to such increase in 
the variable price component only for the * period.   

          3.1.3     The Purchase Price of each such Product shall also be
adjusted, effective immediately, by any additional fees, royalties, costs or
other compensation as BMS may be required to pay to (i) Baxter in order to
retain Baxter's commitment to supply premixed frozen Azactam-Registered
Trademark- Product (beyond such fees, royalties, costs or other compensation as
BMS may be obligated to pay under the Baxter Supply Agreement as of the
Execution Date), provided that DURA shall have agreed to same in writing in
advance (it being understood that if DURA does not agree to pay all such
additional fees, royalties, costs or other compensation as BMS may be obligated
to pay in order to renew or extend the Baxter Supply Agreement or otherwise pay
in order to obtain Baxter's agreement to continue to supply premixed

                                       17

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.

<PAGE>

frozen Azactam-Registered Trademark- Product, BMS shall be under no 
obligation to so extend or renew the Baxter Supply Agreement or to negotiate 
or enter into any other agreement with Baxter to supply same), and/or (ii) 
Takeda, as more fully set forth in Section 4.7 of the Distribution Agreement.

     3.2  PURCHASE PRICE FOR EXISTING INVENTORY.  The purchase price for 
finished Product inventory supplied to DURA pursuant to Section 2.1.2 hereof 
shall be as set forth on EXHIBIT 3.2.

     3.3  AUDIT OF COST RECORDS.  DURA shall not be entitled to audit BMS' 
cost records for a given Product, unless BMS has elected to adjust its price 
for a Product in accordance with Section 3.1 above for a given year based on 
the change in BMS' actual variable costs for the preceding year.  In such 
event, DURA shall have the right to audit (not more frequently than once with 
respect to any given year for which BMS has so elected to adjust its price), 
at its expense (which shall include reimbursement to BMS for the 
administrative costs it incurs in connection with the review) at reasonable 
times during normal business hours and upon reasonable notice, to have a "Big 
Five" accounting firm review BMS' books and records relating to the 
manufacture of the applicable Product(s), for the sole purpose of verifying 
BMS' determination of its change in variable costs for the year in question 
under Section 3.1.2.  Such accounting firm shall sign an appropriate 
confidentiality agreement reasonably acceptable to BMS, and shall not 
disclose to DURA the individual cost records or figures or any information 
that would result in a disclosure of information relating to Manufacturing 
Know-how, but shall be entitled to disclose to DURA's its conclusion as a 
result of its audit and, if necessary, disclose its work records to DURA to 
the extent necessary to assist DURA in enforcing its rights under this 
Agreement.  A copy of the auditing entity's conclusions of its audit shall be 
furnished to BMS at least ten (10) days prior to disclosure to DURA so that 
BMS may determine if any BMS Confidential Information pertaining to its 
Manufacturing Know-how would be disclosed thereby and to allow BMS an 
opportunity to review the accuracy of the auditing firm's conclusions prior 
to disclosure to DURA.  DURA shall bear the full cost of such audit unless 
such audit discloses a variance of more than five percent (5%) from the 
amount due, in which event, BMS shall bear the full cost of such audit.  Any 
amounts that are determined to be due and owing by BMS to DURA or by DURA to 
BMS following such audit shall be paid within ten (10) business days 
thereafter, together with any interest due thereon from the date of 
overpayment by DURA at the rate of twelve percent (12%) per annum; PROVIDED, 
that in no event shall such rate exceed the maximum legal annual interest 
rate.  The payment of such interest shall not limit a Party from exercising 
any other rights it may have as a consequence of the lateness of any payment. 

4.   PAYMENTS AND REPORTS.

     4.1  PAYMENT.  BMS shall submit invoices to DURA for Product promptly 
after shipment.  The invoices shall reflect the price for the Product as set 
forth within Section 3.1.  Payments shall be made by DURA within thirty (30) 
days of receipt of the invoice.

     4.2  MODE OF PAYMENT.  DURA shall make all payments required under this 
Agreement by wire transfer to a bank account designated by BMS in United 
States Dollars.

                                       18
<PAGE>

     4.3  TAXES.  Any and all transfer, sales, use, registration and other 
taxes imposed upon or with respect to or measured by the sale or delivery by 
BMS to DURA of any Product hereunder shall be the responsibility of and for 
the account of DURA.  Such amounts shall be included on BMS's invoices to 
DURA for such Products.  Anything to the contrary notwithstanding, DURA shall 
have no obligation to pay any income tax imposed on BMS or any of its 
Affiliates which may arise from the transactions contemplated by this 
Agreement.

     4.4  LATE PAYMENTS.  In the event that any payment due hereunder is not 
made when due, the payment shall accrue interest from the date due at the 
rate of twelve percent (12%) per annum; provided that in no event shall such 
rate exceed the maximum legal annual interest rate.  The payment of such 
interest shall not limit BMS from exercising any other rights it may have as 
a consequence of the lateness of any payment.

5.   COMPLIANCE WITH LAWS; COMPLIANCE AUDITS; REPRESENTATIONS AND WARRANTIES.

     5.1  COMPLIANCE WITH LAW; COOPERATION; COMPLIANCE AUDITS.

          5.1.1     COMPLIANCE WITH LAW.  Each Party shall use commercially 
reasonable efforts to maintain in full force and effect all necessary 
licenses, permits and other authorizations required by law to carry out its 
duties and obligations under this Agreement.  Each Party shall comply with 
all laws, ordinances, rules and regulations (collectively, "Laws") applicable 
to its activities under this Agreement and each Related Agreement, including 
without limitation, any requirements of any product license applicable to the 
Products in the Territory; PROVIDED, that DURA shall be solely responsible 
for compliance with those Laws pertaining to the activities conducted by it 
hereunder and under any Related Agreement (including, without limitation, 
those Laws that apply to documentation and records retention pertaining to 
the distribution and use of Products within the Territory), notwithstanding 
that FDA may, as a matter of law, be entitled to hold BMS accountable or 
responsible (whether primarily or secondarily) for failure of DURA to comply 
with such Laws.  Without limiting the generality of the foregoing, Dura shall 
not promote the Products for any indications not contained in the approved 
NDAs or in any manner in conflict with the approved labeling and all 
applicable Laws.  DURA shall store the Products sold to it in compliance with 
all applicable laws, including, without limitation, the PDMA.  BMS and DURA 
each shall keep all records and reports required to be kept by applicable 
laws and regulations.  The Parties will reasonably cooperate with one another 
with the goal of ensuring full compliance with Laws.  Each Party will 
cooperate with the other to provide such letters, documentation and other 
information on a timely basis as the other Party may reasonably require to 
fulfill its reporting and other obligations under applicable Laws to 
applicable regulatory authorities.

          5.1.2     REASONABLE COOPERATION.  BMS and DURA each hereby agrees 
to use commercially reasonable efforts to take, or cause to be taken, all 
actions and to do, or cause to be done, all things necessary or proper to 
make effective the transactions contemplated by this Agreement, including 
such actions as may be reasonably necessary to obtain approvals and consents 
of governmental Persons and other Persons (including, without limitation, all 
necessary notifications to the FDA and other governmental authorities 
identifying DURA as a distributor of the

                                       19
<PAGE>

Products); PROVIDED, that no Party shall be required to (i) pay money (other 
than as expressly required pursuant to this Agreement or a Related 
Agreement), or (ii) assume any other material obligation not otherwise 
required to be assumed by this Agreement or any Related Agreement.

          5.1.3     COMPLIANCE AUDITS.

               5.1.3.1   From time to time as BMS may elect during the 
applicable Term for a given Product, during normal business hours and upon 
reasonable notice from BMS (but not less than 10 days notice), DURA shall 
permit duly authorized representatives of BMS to review and inspect the 
premises, facilities, Product inventory, records and documentation maintained 
by DURA for the purpose of determining compliance by DURA with  its 
obligations under this Agreement and any Related Agreement.

               5.1.3.2   From time to time as DURA may elect during the 
applicable Term for a given Product, during normal business hours and upon 
reasonable advance notice from DURA (but not less than 10 days notice), BMS 
shall permit duly authorized representatives of DURA to inspect, on the 
premises of BMS where such records and inventory are kept, finished Product 
inventory and BMS's quality control records relating to the storage of the 
finished Products to ensure compliance with quality control standards and the 
labeling for each such Product and with applicable terms of this Agreement 
pertaining to the use of the Trademarks; PROVIDED, that nothing in the 
foregoing shall allow or be construed to allow DURA to have access to any 
Manufacturing Know-How of BMS or any records containing or pertaining to same 
(except where DURA has obtained right of access to such Know-How under 
Sections 2.13 or 10.5.8 of this Agreement.

     5.2  MANUFACTURING WARRANTIES.

          5.2.1     BMS warrants that each Product manufactured by or for BMS 
and sold to DURA under this Agreement:
 
               (i)   will not be adulterated or misbranded under applicable FDA
                     laws and regulations at the time the same is tendered to 
                     the common carrier for delivery to DURA; and

               (ii)  will meet the Specifications therefor in all material
                     respects at the time the same is tendered to the common
                     carrier for delivery to DURA; and

               (iii) shall be manufactured in accordance with Good
                     Manufacturing Practices (GMPs), as established by FDA;
                     and

               (iv)  will have a shelf life of not less than those months set
                     forth in EXHIBIT 1.1(A) at the time the same is tendered to
                     the common carrier for delivery to DURA.

          5.2.2     THE LIMITED WARRANTY PROVIDED IN SECTION 5.2.1 IS BMS' SOLE
WARRANTY WITH RESPECT TO A PRODUCT THAT IS MADE BY BMS UNDER THIS AGREEMENT AND

                                       20
<PAGE>

IS MADE IN LIEU OF ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, 
INCLUDING WARRANTIES OF QUALITY, PERFORMANCE, MERCHANTABILITY AND FITNESS FOR 
A PARTICULAR USE OR PURPOSE.  EXCEPT AS MAY BE EXPRESSLY SET FORTH IN THIS 
ARTICLE 5 OR IN ANY RELATED AGREEMENT, BMS MAKES NO OTHER REPRESENTATIONS OR 
WARRANTIES OF ANY KIND WITH RESPECT TO THE PRODUCT, INCLUDING WITHOUT 
LIMITATION ANY WARRANTIES WITH RESPECT TO LACK OF THIRD PARTY INFRINGEMENT 
THAT MAY RESULT FROM THE MANUFACTURE, USE OR SALE OF ANY PRODUCT.

          5.2.3     Where DURA has acquired the right to make or have made a 
Product under this Agreement, DURA warrants that each Product manufactured by 
or for DURA under this Agreement:
 
               (i)   will not be adulterated or misbranded under applicable FDA
                     laws and regulations at the time the same is tendered to 
                     the common carrier for delivery to DURA; and

               (ii)  will meet the Specifications therefor in all material
                     respects at the time the same is tendered by DURA to the
                     common carrier for delivery to a Third Party; and

               (iii) shall be manufactured in accordance with Good
                     Manufacturing Practices (GMPs), as established by FDA;
                     and

               (iv)  will have a shelf life of not less than those months set
                     forth in EXHIBIT 1.1(A) at the time the same is tendered to
                     the common carrier for delivery by DURA.

          5.2.4     THE LIMITED WARRANTY PROVIDED IN SECTION 5.2.3 IS DURA'S 
SOLE WARRANTY WITH RESPECT TO A PRODUCT THAT IS MADE BY OR FOR DURA UNDER 
THIS AGREEMENT AND IS MADE IN LIEU OF ANY AND ALL OTHER WARRANTIES, EXPRESS 
OR IMPLIED, INCLUDING WARRANTIES OF QUALITY, PERFORMANCE, MERCHANTABILITY AND 
FITNESS FOR A PARTICULAR USE OR PURPOSE.  EXCEPT AS MAY BE EXPRESSLY SET 
FORTH IN THIS ARTICLE 5 OR IN ANY RELATED AGREEMENT, DURA MAKES NO OTHER 
REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE PRODUCT, 
INCLUDING WITHOUT LIMITATION ANY WARRANTIES WITH RESPECT TO LACK OF THIRD 
PARTY INFRINGEMENT THAT MAY RESULT FROM THE MANUFACTURE, USE OR SALE OF ANY 
PRODUCT.

     5.3  DURA PRODUCT WARRANTIES.

          5.3.1     Subject to Section 5.2, DURA represents and warrants to BMS
that:

               (i)  DURA shall adhere to all applicable Laws relating to the
                    handling, storage, disposal, distribution and sale of each
                    Product in the Territory; and

               (ii) DURA's sales force will not make any promotional or other
                    claims with respect to a Product that are not within the
                    Product Registrations and labeling for such Product

                                       21
<PAGE>

                    as approved by FDA and that are not in compliance with
                    applicable law.

     5.4  REPRESENTATIONS AND WARRANTIES OF BOTH PARTIES.  Except as may be 
set forth in EXHIBIT 5.4, each Party hereby represents and warrants that, as 
of the Execution Date:

          5.4.1     GOOD STANDING.  Such Party is duly organized, validly 
existing and in good standing under the laws of the state of its 
incorporation, is duly qualified to transact the business in which it is 
engaged in each jurisdiction where failure to be so qualified would have a 
material adverse effect upon its business as currently conducted, and has 
full corporate power and authority to enter into this Agreement and the 
Related Agreements and to carry out the provisions of this Agreement and the 
Related Agreements.

          5.4.2     POWER AND AUTHORITY.  Such Party has the requisite power 
and authority and the legal right to own and operate its property and assets, 
to license and lease the property and assets it operates or uses under lease 
or license, and to carry on its business as it is now being conducted.  Such 
Party has the requisite power and authority and the legal right to enter into 
this Agreement and the Related Agreements, and to perform its obligations 
hereunder and thereunder, and has taken all necessary corporate action on its 
part to authorize the execution and delivery of the Agreement and the Related 
Agreements and the performance of its obligations hereunder and thereunder.  
All persons who have executed this Agreement or a Related Agreement on behalf 
of such Party, or who will execute on behalf of such Party any agreement or 
instrument contemplated hereby or thereby, have been duly authorized to do so 
by all necessary corporate action.

          5.4.3     BINDING OBLIGATION.  This Agreement and the Related 
Agreements have been duly executed and delivered on its behalf and (assuming 
the due execution and delivery hereof and thereof by the other Party) each 
such agreement is a legal and valid obligation binding upon it and is 
enforceable in accordance with its terms, except that (i) such enforcement 
may be subject to bankruptcy, insolvency, reorganization, moratorium or other 
similar laws now or hereafter in effect relating to creditors rights 
generally and (ii) the remedy of specific performance and other forms of 
equitable relief may be subject to equitable defenses and to the discretion 
of the court or arbitrator before which any proceeding therefor may be 
brought.

     5.5  REPRESENTATIONS AND WARRANTIES OF BMS.  Except as set forth in 
EXHIBIT 5.5, BMS hereby represents and warrants to DURA that:

          5.5.1     NO VIOLATION OF INSTRUMENTS OR CONTRACTS.  The execution and
the delivery of this Agreement and the Related Agreements and the consummation
of the transactions contemplated hereby and thereby will not: (i) violate the
Certificate of Incorporation or By-Laws of any of the BMS Entities;  (ii) to the
knowledge of BMS, materially conflict with or result in a material breach of any
of the material terms, conditions or provisions of, or constitute an express
event of default under, any material instrument, agreement, mortgage, judgment,
order, award, or decree specifically relating to the Business to which any BMS
Entity is a party or by which it is bound and which would have

                                       22
<PAGE>

a material adverse effect upon the conduct of the Business as currently 
conducted by such BMS Entity, (iii) to the knowledge of BMS, require the 
affirmative approval, consent, authorization or other order or action of any 
court, governmental authority or regulatory body or of any creditor of any of 
the BMS Entities, or (iv) to the knowledge of BMS, give any Third Party the 
right under any material instrument, agreement, mortgage, judgment, order, 
award or decree specifically relating to the Business the right to terminate, 
modify or otherwise change the rights or obligations of any of the BMS 
Entities under such material instrument, agreement, mortgage, judgment, 
order, award or decree, the effect of which would be materially adverse to 
the conduct of the Business as currently conducted by such BMS Entity, or (v) 
 conflict with or result in any violation of or constitute a breach of any of 
the terms or provisions of, or result in the acceleration of any obligation 
under, or constitute a default under, any contract that is material to the 
conduct of the Business and to which any BMS Entity is a party or to which it 
is subject or bound, except for such conflict, acceleration, default, breach 
or violation that is not reasonably likely to have a material adverse effect 
on such BMS Entity's ability to perform its obligations under this Agreement 
or any Related Agreement. 

          5.5.2     COMPLIANCE WITH LAW.  Each BMS Entity is in compliance 
with all requirements of applicable law within the Territory, except to the 
extent that any noncompliance would not have a material adverse effect on the 
conduct of the Business as currently conducted by such BMS Entity and would 
not materially adversely affect BMS' ability to perform its obligations under 
this Agreement or any Related Agreement.

          5.5.3     LITIGATION AND CLAIMS.  There is no litigation, 
arbitration, claim, governmental or other proceeding (formal or informal), 
or, to the knowledge of BMS, governmental investigation pending or threatened 
in writing within the Territory relating to the Business (it being understood 
that this sentence does not relate in any way to the subject matter of 
Sections 5.2.5 and 5.2.6 of this Agreement), which, if adversely determined, 
would have a material adverse effect upon BMS' ability to perform its 
obligations under this Agreement or any Related Agreement.  None of the BMS 
Entities is in violation of, or in default with respect to, any law, rule, 
regulation, order, judgment, or decree relating to the Business or to the 
Trademarks, which violation or default would materially and adversely affect 
the Business; nor is any of the BMS Entities required to take any action 
outside of the ordinary course of business in order to avoid such violation 
or default.

          5.5.4     NO BROKER FEES.  BMS has not incurred any liability or 
obligation to any broker, finder, or agent for any brokerage fees, finder's 
fees, or commissions with respect to the transactions contemplated by this 
Agreement which may be directly or indirectly asserted against DURA.

     5.6  REPRESENTATIONS AND WARRANTIES OF DURA.  Except as set forth in 
EXHIBIT 5.6, DURA hereby represents and warrants to BMS that:

          5.6.1     NO VIOLATION OF INSTRUMENTS OR CONTRACTS.  The execution and
the delivery of this Agreement and the Related Agreements and the consummation
of the transactions contemplated hereby and thereby will not: (i) violate the
Certificate of Incorporation or By-Laws of DURA;  (ii) to the knowledge of DURA,
materially conflict with

                                       23
<PAGE>

or result in a material breach of any of the material terms, conditions or 
provisions of, or constitute an express event of default under, any material 
instrument, agreement, mortgage, judgment, order, award, or decree to which 
DURA is a party or by which it is bound and that would have a material 
adverse effect upon DURA's ability to perform its obligations under this 
Agreement or any Related Agreement, (iii) to the knowledge of DURA, require 
the affirmative approval, consent, authorization or other order or action of 
any court, governmental authority or regulatory body or of any creditor of 
DURA or any of its Affiliates, or (iv) to the knowledge of DURA, give any 
Third Party the right under any material instrument, agreement, mortgage, 
judgment, order, award or decree the right to terminate, modify or otherwise 
change the rights or obligations of DURA or any of its Affiliates under such 
material instrument, agreement, mortgage, judgment, order, award or decree, 
the effect of which would have a material adverse effect upon DURA's ability 
to perform its obligations under this Agreement or any Related Agreement, or 
(v)  conflict with or result in any violation of or constitute a breach of 
any of the terms or provisions of, or result in the acceleration of any 
obligation under, or constitute a default under, any contract to which DURA 
or any of its Affiliates is a party or to which it is subject or bound, 
except for such conflict, acceleration, default, breach or violation that 
would have a material adverse effect on DURA's ability to perform its 
obligations under this Agreement or any Related Agreement. 

          5.6.2     COMPLIANCE WITH LAW.  DURA and its Affiliates are in 
compliance with all requirements of applicable law within the Territory, 
except to the extent that any noncompliance would not have a material adverse 
affect upon its ability to perform its obligations under this Agreement or 
any Related Agreement.

          5.6.3     LITIGATION AND CLAIMS.  There is no litigation, 
arbitration, claim, governmental or other proceeding (formal or informal), 
or, to the knowledge of DURA, governmental investigation pending or 
threatened in writing within the Territory against DURA or any of its 
Affiliates where an adverse outcome would have a material adverse affect upon 
DURA's ability to perform its obligations under this Agreement or any Related 
Agreement.  DURA and its Affiliates are not in violation of, or in default 
with respect to, any law, rule, regulation, order, judgment, or decree, which 
violation or default would have a material adverse affect upon DURA's ability 
to perform its obligations under this Agreement or any Related Agreement; nor 
is DURA or any of its Affiliates required to take any action outside of the 
ordinary course of business in order to avoid such violation or default.

          5.6.4     NO BROKER FEES.  DURA has not incurred any liability or 
obligation to any broker, finder, or agent for any brokerage fees, finder's 
fees, or commissions with respect to the transactions contemplated by this 
Agreement which may be directly or indirectly asserted against BMS.
     
     5.7  DISCLAIMER OF WARRANTIES.  EXCEPT AS EXPRESSLY PROVIDED IN THIS 
AGREEMENT, THERE ARE NO OTHER REPRESENTATIONS OR WARRANTIES, EXPRESS OR 
IMPLIED, MADE OR GIVEN BY EITHER PARTY HEREUNDER, INCLUDING, WITHOUT 
LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
PURPOSE OF ANY PRODUCT.

     5.8  NO RELIANCE BY THIRD PARTIES.  The representations and warranties of a
Party set forth in this Agreement

                                       24
<PAGE>

are intended for the sole and exclusive benefit of the other Party hereto, 
and may not be relied upon by any Third Party.
 
6.   INDEMNIFICATION.

     6.1  BMS INDEMNITY.  Subject to Section 6.4 hereof, BMS shall defend, 
indemnify and hold DURA, its Affiliates, and its and their employees, agents, 
officers, and directors (a "DURA PARTY") harmless from and against any and 
all losses, liabilities, damages, fees (including, until such time as BMS has 
notified DURA in writing that it will assume control of a given DURA Claim, 
reasonable attorneys fees and costs of litigation pertaining to such DURA 
Claim), and expenses paid or payable by a DURA Party to a Third Party and 
that result from or arise in connection with a claim, suit or other 
proceeding made or brought by such Third Party against a DURA Party (a "DURA 
CLAIM") based on (i) the breach of any obligation, covenant, agreement, 
representation or warranty of BMS contained in this Agreement, (ii) any sale 
of a Product by BMS or any of its Affiliates outside the Territory, and any 
use outside the Territory of any such Product sold by BMS or any of its 
Affiliates outside the Territory (including without limitation Claims based 
on or relating to product liability), whether sold by BMS or its Affiliates 
prior to or following the Effective Date, or (iii) infringement of a Third 
Party's patent rights by reason of the manufacture of a Product by or for BMS 
and/or its purchase by DURA under this Agreement  (other than infringement of 
Third Party patent rights or trademarks by reason of the manufacture, use or 
sale of plastic containers, vials, or other components for any 
Azactam-Registered Trademark- Product used or provided by Baxter under the 
Baxter Supply Agreement and the manufacture, use or sale of the Abbott fluid 
containers or vials for any Maxipime-Registered Trademark- Product pursuant 
to the rights granted under the Abbott License Agreement); PROVIDED, however, 
that BMS shall not be obligated to indemnify a DURA Party under (i) or (ii) 
above for any loss, liability, damages, fees or expenses incurred by such 
DURA Party to the extent attributable to a breach by DURA of any obligation, 
covenant, agreement, representation or warranty of DURA contained in this 
Agreement or any Related Agreement, to any act or omission constituting 
negligence, recklessness, gross negligence, or wilful misconduct on the part 
of DURA or a DURA Party, and/or to any  failure of DURA to identify a Product 
defect or nonconformity with Specifications known by or that should 
reasonably have been known to DURA prior to the use of such Product by a 
Third Party.

     6.2  DURA INDEMNITY.  DURA shall defend, indemnify and hold BMS, its 
Affiliates, and its and their employees, agents, officers, and directors (a 
"BMS PARTY") harmless from and against any and all losses, liabilities, 
damages, fees (including, until such time as DURA has notified BMS in writing 
that it will assume control of a given Claim, attorneys fees and costs of 
litigation pertaining to such Claim), and expenses paid or payable by a BMS 
Party to a Third Party (including without limitation payments that BMS may be 
required to make to its licensors of any rights pertaining to any Product 
(including without limitation Fujisawa, Abbott, and Takeda) and suppliers of 
any components of any Product (including without limitation, Baxter)) that 
result from or arise in connection with a claim, suit or other proceeding 
made or brought by a Third Party ("BMS CLAIM") based on (i) the breach by 
DURA of any obligation, covenant, agreement, representation or warranty of 
DURA contained in this Agreement; and/or (ii) infringement of a Third Party's 
trademarks by reason of the use of "DURA" or any variant thereof on the 
labeling for a Product or any materials used in promoting or advertising a 
Product; and/or (iii) infringement of a Third Party's patent rights by reason 
of the manufacture of a Product by or for DURA or its Affiliates under this 
Agreement or any Related Agreement (other

                                       25
<PAGE>

than infringement of Third Party patent rights or trademarks by reason of the 
manufacture, use or sale of plastic containers, vials, or other components 
for any Azactam-Registered Trademark- Product used or provided by Baxter 
under the Baxter Supply Agreement and the manufacture, use or sale of the 
Abbott fluid containers or vials for any Maxipime-Registered Trademark- 
Product pursuant to the rights granted under the Abbott License Agreement); 
PROVIDED, however, that DURA shall not be obligated to indemnify a BMS Party 
for any loss, liability, damages, fees or expenses incurred by such BMS Party 
to the extent attributable to a breach by BMS of any obligation, covenant, 
agreement, representation or warranty of BMS contained in this Agreement or 
any Related Agreement, or to any act or omission constituting negligence, 
recklessness, gross negligence, or wilful misconduct on the part of BMS or a 
BMS Party.

     6.3  CONTROL OF PROCEEDINGS.  To receive the benefits of the indemnity 
under Sections 6.1 or 6.2, as applicable, an indemnified Party must (i) give 
the indemnifying Party written notice of any Claim or potential Claim 
promptly after the indemnified Party receives written notice of any such 
Claim; (ii) allow the indemnifying Party to assume exclusive control of the 
defense and settlement (including all decisions relating to litigation, 
defense and appeal) of any such Claim (so long as it has confirmed its 
indemnification obligation responsibility to such indemnified Party under 
this Section 6.3 with respect to a given Claim); PROVIDED THAT the 
controlling Party may not settle such Claim in any manner that would require 
payment by the other Party, or would materially adversely affect the rights 
granted to the other Party hereunder, or would materially conflict with the 
terms of this Agreement, without first obtaining the other Party's prior 
written consent; and (iii) so long as such cooperation does not vitiate any 
legal privilege to which it is entitled, reasonably cooperate with the 
indemnifying Party in its defense of the Claim (including, without 
limitation, making documents and records available for review and copying and 
making persons within its/his/her control available for pertinent testimony). 
 If the indemnifying Party defends the claim, an indemnified Party may 
participate in, but not control, the defense of such Claim using attorneys of 
its/his/her choice and at its/his/her sole cost and expense.  An indemnifying 
Party shall have no obligation or liability under this Article 6 as to any 
Claim for which settlement or compromise of such claim or an offer of 
settlement or compromise of such Claim is made by an indemnified Party 
without the prior written consent of the indemnifying Party.

          If the Party entitled to control the defense of such Claim notifies 
the other in writing that it will not defend the other Party against such 
Claim asserted against the other Party, or if the Party entitled to control 
the defense of such Claim fails to defend or take other reasonable, timely 
action, in response to such Claim asserted against the other Party, the other 
Party shall have the right, but not the obligation, to defend or take other 
reasonable action to defend its interests in such proceedings, and shall have 
the right to litigate, settle or otherwise dispose of any such Claim; 
provided, however, that the other Party shall not have the right to settle 
such Claim in a manner that adversely affects the rights granted to the other 
Party hereunder, or would materially conflict with this Agreement, or would 
require a payment by the Party entitled to control the defense to such Third 
Party, without the prior written consent of Party entitled to control the 
defense of such Claim.

     6.4  SPECIFIC DAMAGES FOR BREACH OF SUPPLY. 

                                       26
<PAGE>

          6.4.1     Subject to Sections 2.12, 6.4.2, 6.4.3, 6.4.4, and 6.4.5 
below, in the event that:

           (A) BMS continuously fails to supply DURA with any conforming Product
               (for a given SKU#) such that DURA is unable to supply its
               customers with conforming Product (for such given SKU#) from the
               inventories maintained by BMS and DURA under Section 2.4 hereof
               or from inventories maintained by DURA's wholesalers for a period
               of *, and

          (B)  such failure to supply is not attributable in whole or in part to
               an event covered by Article 11 hereof and/or to a failure of
               Baxter to supply frozen, premixed Product under the Baxter Supply
               Agreement (in which event the time period set forth in Section
               6.4.1(A)(i) shall be extended by time period of delay or 
               non-performance reasonably occasioned by such event or failure),

then, if requested in writing by DURA ("Notice") within * after
the foregoing conditions have been met, * subject
to the following:

          (C)  Such Notice *

          (D)  Such Notice shall not apply, and may not be exercised or given,
               with respect to any breaches hereunder or failure of supply (1)
               * or (2) * and

          (E)  Once a Notice is given, DURA may not invoke the provisions of
               this Section 6.4 again with respect to such SKU# until *

          (F)  * shall be offset or reduced by the amount of any damages paid
               or payable by BMS to DURA on account of any such breach and any
               payments that have been or will be made by BMS to DURA under 
               Section 6.1 on account of any such breach prior to the date of 
               payment.

                                       27

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

          6.4.2     Where a Notice has been served by DURA pursuant to 
Section 6.4.1, DURA shall not be entitled to recover any other damages of any 
nature from BMS with respect to any other breach of supply under this 
Agreement to which DURA may be entitled to recover at law or in equity or to 
receive or recover any amounts payable by BMS under its indemnification 
obligation set forth in Section 6.1 hereof, where such damages or indemnity 
payment arise out of or in connection with the breaches of supply for which 
such Notice was served under Section 6.4.1, unless and until DURA is able to 
clearly demonstrate to BMS' reasonable satisfaction that its damages and/or 
the amounts required to be paid by BMS under Section 6.1 with respect to such 
breaches of supply exceed the amount of reduction in the Purchase Price that 
will be absorbed by BMS under Section 6.4.1.

          6.4.3     If no written Notice is provided by DURA * set forth in 
Section 6.4.1, any reduction in the Purchase Price to which DURA may be 
entitled under this Section 6.4 shall lapse; provided, that the foregoing 
shall not restrict or limit DURA's ability to recover any damages to which it 
may be entitled at law or in equity with respect to such breach(es) of supply.

          6.4.4     In the event that DURA failed to maintain the three-month 
inventory required of it for a Product SKU# under Section 2.4 that is the 
subject to a Notice under Section 6.1.1 or if such shortfall is attributable 
to materially inaccurate forecasts provided by DURA, then the period of time 
referenced in Section 6.4.1(A) shall be increased by the period of time that 
DURA customers were unable to obtain Product by reason of such inventory 
shortfall maintained by DURA or to the extent its forecast was materially 
inaccurate as compared to the amounts firm-ordered.

     6.5  INSURANCE.  DURA shall maintain at all times during the period that 
any Product is being distributed or sold by or through DURA hereunder, and 
for fifteen (15) years thereafter, comprehensive general liability insurance, 
with endorsements for contractual liability and product liability with 
coverage limits of not less than Twenty Million Dollars ($20,000,000).  The 
minimum level of insurance set forth herein shall not be construed to create 
a limit on DURA's liability with respect to its indemnification obligations 
hereunder.  Prior to the Effective Date (and each anniversary thereof 
thereafter), DURA shall furnish to BMS a certificate of insurance evidencing 
such coverage as of the Effective Date (and each anniversary thereof) and 
upon request by BMS at any time hereafter.  Each such certificate of 
insurance shall include a provision whereby sixty (60) days' written notice 
must be received by BMS prior to coverage modification or cancellation by 
either DURA or the insurer.

          BMS will maintain at all times during the period that any Product 
is being supplied to DURA by BMS and is being manufactured by or for BMS, and 
for fifteen (15) year thereafter, a commercially reasonable program of 
self-insurance and insurance with respect to its obligations under this 
Agreement and any Related Agreement.

7.   INFRINGEMENT OF BMS PATENTS AND TRADEMARKS.

     7.1  INFRINGEMENT BY THIRD PARTIES.

                                       28

*Certain confidential portions of this Exhibit were omitted by means of 
marking such portions with an asterisk (the "Mark"). This Exhibit has been
filed with the Secretary of the Commission without the Mark pursuant to the
Company's application requesting confidential treatment under Rule 24b-2 
under the Securities Exchange Act of 1934, as amended.
<PAGE>

          7.1.1     If either Party becomes aware that a Third Party is 
infringing any rights in any patent rights owned or controlled by BMS or any 
of its Affiliates covering the composition or use of a Product or any 
Trademark used in connection with a Product, such Party shall give written 
notice to the other Party describing in detail the nature of such 
infringement.  Subject to Section 7.1.2, BMS and its Affiliates shall have 
the sole right, but not the obligation, to enforce any such BMS patent rights 
and Trademarks against such Third Party infringer and to settle or compromise 
any such possible infringement by taking such action as BMS or its Affiliates 
may determine in their sole and absolute discretion; PROVIDED, however, that 
BMS may not settle any such potential infringement in a manner that 
materially adversely affects the rights granted to DURA hereunder or the 
title, rights and interests in any patent rights, Trademarks or other 
intellectual property rights owned or controlled by BMS or any of its 
Affiliates relating to the composition or use of any  such Products, or that 
would materially conflict with this Agreement, or that would require a 
payment by DURA to such Third Party, or that would require the grant of any 
right or license by BMS to any Third Party in conflict with the rights 
granted to DURA hereunder, without the prior written consent of DURA.  So 
long as such cooperation does not vitiate any legal privilege to which it is 
entitled, DURA agrees to provide BMS all reasonable assistance (including, 
without limitation, making documents and records available for review and 
copying and making persons within its control available for pertinent 
testimony),  at BMS' expense, in such enforcement.

          7.1.2     In the event that BMS fails to institute an infringement 
suit or take other reasonable action in response to such infringement 
referred to in 7.1.1 within one hundred eighty (180) days after notice of 
such infringement has been brought to its attention, DURA shall have the 
right, but not the obligation, to institute such suit or take other 
appropriate action in its own name to enforce such BMS patent rights (but not 
any BMS patents pertaining to the manufacture of a Product) against such 
Third Party and to settle or compromise any such possible infringement by 
taking such action as DURA or its Affiliates may determine in their sole and 
absolute discretion; PROVIDED, however, that DURA may not settle any such 
potential infringement in a manner that would materially adversely affect any 
title, rights and interests in any patents, Trademarks or other intellectual 
property rights owned or controlled by BMS or any of its Affiliates relating 
to the composition or use of any Product, or that would materially conflict 
with any terms of this Agreement, or that would require a payment by BMS to 
such Third Party, or that would require the grant of any right or license by 
BMS to any Third Party, without the prior written consent of BMS.    So long 
as such cooperation does not vitiate any legal privilege to which it is 
entitled, BMS agrees to provide DURA all reasonable cooperation and 
assistance (including, without limitation, making documents and records 
available for review and copying and making persons within its control 
available for pertinent testimony), at DURA's expense, in such enforcement.

          7.1.3     Regardless of which Party brings an action to enforce a 
BMS Patent or a Trademark that is being infringed by a Third Party as 
provided in Section 7.1.1 or 7.1.2 above, the Party not bringing the action 
shall have the right to participate in such action at its own expense with 
its own counsel. Any damages or other recovery, whether by settlement or 
otherwise, from an action hereunder to enforce such BMS Patents or Trademarks 
shall be paid to the Party controlling the conduct of the litigation.

          7.1.4     Upon assignment by BMS of a Trademark to DURA in accordance
with Section 2.2.2 of the

                                       29
<PAGE>

Distribution Agreement, the Parties' rights and responsibilities under 
Section 7.1.1 and 7.1.2 shall be reversed, MUTATIS MUTANDIS, with respect to 
infringement of such Trademark by a Third Party following such assignment.
 
          7.1.5     In the event that a Third Party files an ANDA for a 
Product certifying that it does not infringe any patents owned or controlled 
by BMS relating to such Product, the Party receiving a copy of such ANDA 
shall promptly forward a copy of same to the other Party.  The Parties shall 
meet and confer within thirty (30) days following the filing of such ANDA for 
the purpose of determining what action should be taken with respect to such 
certification should both Parties conclude that such Third Party would 
violate Patent Rights owned or controlled by BMS.  As the NDA holder, BMS 
shall be responsible for filing and coordinating any mutually agreed 
responses to FDA.  DURA shall reimburse BMS for any reasonable costs incurred 
by BMS in connection with such filings, and will reimburse BMS for any 
reasonable out-of-pocket costs incurred by BMS in any legal proceedings 
undertaken by BMS based on the Parties mutually agreed upon course of action. 

8.   PRODUCT RECALL.  

     8.1  PRODUCT RECALL.    In the event that DURA obtains information that 
a Product or any portion thereof should be alleged or proven not to meet the 
Specifications, the labeling, or the Product Registration  for such Product 
in the Territory,  DURA shall notify BMS immediately and both Parties shall 
cooperate fully regarding the investigation and disposition of any such 
matter.   BMS and Dura shall each maintain such traceability records as are 
sufficient and as may be necessary to permit a recall or field correction of 
any Products. In the event (a) any applicable regulatory authority of a state 
or country in the Territory should  issue a request, directive or order that 
a Product be recalled, or (b) a court of competent jurisdiction orders such a 
recall, or (c) BMS determines that any Product already in interstate commerce 
in the Territory presents a risk of injury or gross deception or is otherwise 
defective and that recall of such Product is appropriate (a "RECALL"), each 
Party shall give telephonic notice (to be confirmed in writing) to the other 
within twenty-four (24) hours of the receipt of any event.  BMS shall have 
sole responsibility for determining all corrective action to be taken and for 
carrying out the Recall. DURA will provide full cooperation and assistance to 
BMS in connection therewith as may be requested by BMS.  BMS shall be 
responsible for all expenses of any such Recall (including any out-of-pocket 
expenses incurred by DURA in connection with such cooperation),  except (i) 
to the extent such Recall is attributable to any negligence on the part of 
DURA or any breach by DURA of its obligations under this Agreement or any 
other agreement then in force and effect between DURA and BMS, in which event 
DURA will reimburse BMS for its costs and expenses incurred that are so 
attributable to such actions by DURA or (ii) where the Product was 
manufactured by or for DURA (other than by BMS), in which event DURA will 
reimburse BMS for its costs and expenses incurred in effecting such Recall.

9.   CONFIDENTIALITY.

     9.1  CONFIDENTIALITY.

                                       30
<PAGE>

          9.1.1     Each Party acknowledges that it may receive confidential 
or proprietary information of the other Party in the performance of this 
Agreement. Each Party shall use commercially reasonable efforts to safeguard 
and to hold such information received by it from the other Party in 
confidence, and shall limit disclosure of the furnishing Party's information 
to those employees and consultants of the receiving Party and its Affiliates 
who are bound by a written obligation of confidentiality to the receiving 
Party that is consistent with the terms of this Article 9.  Each Party shall 
not, directly or indirectly, disclose, publish or use for the benefit of any 
Third Party or itself, except in carrying out its duties hereunder, any 
confidential or proprietary information of the other Party, without first 
having obtained the furnishing Party's written consent to such disclosure or 
use.  "CONFIDENTIAL INFORMATION" shall include, INTER ALIA, know-how, 
scientific information, the terms of this Agreement, clinical data, efficacy 
and safety data, adverse event information, formulas, methods and processes, 
specifications, pricing information (including discounts, rebates and other 
price adjustments) and other terms and conditions of sales, customer 
information, business plans, and all other intellectual property.  This 
restriction shall not apply to any information within the following 
categories:  

         (i)   information that is known to the receiving Party or its
               Affiliates prior to the time of disclosure to it, to the extent
               evidenced by written records or other competent proof;

         (ii)  information that is independently developed by employees, agents,
               or independent contractors of the receiving Party or its
               Affiliates without reference to or reliance upon the information
               furnished by the disclosing Party, as evidenced by written
               records or other competent proof;

         (iii) information disclosed to the receiving Party or its
               Affiliates by a Third Party that has a right to make such
               disclosure; or

         (iv)  any other information that becomes  part of the public domain
               through no fault or negligence of the receiving Party.

The receiving Party shall also be entitled to disclose the other Party's 
Confidential Information (1) that is required to be disclosed in compliance 
with applicable laws or regulations (including, without limitation, to comply 
with SEC, NASDAQ or stock exchange disclosure requirements) or by order of 
any governmental body or a court of competent jurisdiction,  (2) as may be 
necessary or appropriate in connection with the enforcement of this Agreement 
or any Related Agreement, (3) as required in furtherance of a Party's 
obligations under this Agreement or any Related Agreement; or   (4) as may be 
necessary for the conduct of clinical studies; PROVIDED, that the Party 
required to disclose such information shall use commercially reasonable 
efforts to obtain confidential treatment of such information by the agency or 
court or other disclosee, and that, in the case of disclosures under (1) 
shall provide the other Party with a copy of the proposed disclosure in 
sufficient time to allow reasonable opportunity to comment thereon.

          9.1.2     The obligations set forth in this Section 9.1 shall 
survive the termination or expiration of this Agreement for five (5) years.  
Nothing in this Article 9 shall be construed to create or imply any right or 
license under any patent rights, trademarks, copyrights or other intellectual 
property rights owned or controlled by a Party or its Affiliates except as 
may be expressly set forth in other Articles of this Agreement.

                                       31
<PAGE>

          9.1.3     The confidentiality obligations set forth in this Article 
9 shall supersede the Confidential Disclosure Agreement dated as of July 22, 
1998 "Confidentiality Agreement") between the Parties, shall govern any and 
all information disclosed by either Party to the other pursuant thereto, and 
shall be retroactively effective to the date of such Confidential Disclosure 
Agreement.

     9.2  USE OF INFORMATION.  Each Party shall use, and cause each of its 
Affiliates to use, any Confidential Information obtained by it from the other 
Party or their respective Affiliates, pursuant to this Agreement or 
otherwise, solely in connection with the transactions contemplated hereby.

     9.3  RELIEF.  Each Party shall be entitled, in addition to any other 
right or remedy it may have, at law or in equity, to an injunction, without 
the posting of any bond or other security, enjoining or restraining any other 
Party from any violation or threatened violation of this Article 9.

10.  TERMINATION.

     10.1 TERM.  This Agreement shall become effective as of the Effective 
Date and, unless sooner terminated as provided in this Article 10, shall 
expire:

          10.1.1    As to Azactam-Registered Trademark- and all rights 
granted under the Distribution Agreement  with respect to said Product, on 
October 1, 2005 (the "AZACTAM-Registered Trademark- TERM").

          10.1.2    As to Maxipime-Registered Trademark- and all rights 
granted under the Distribution Agreement with respect to said Product, on 
February 1, 2008 (the "MAXIPIME-Registered Trademark- TERM").

     10.2 BREACH.  

          10.2.1    Failure by either Party to comply with any of the 
material obligations contained in this Agreement shall entitle the other 
Party, if it is not in material default hereunder, to give to the Party in 
default notice specifying the nature of the default and requiring it to cure 
such default. If such default is not cured within 60 days after the receipt 
of such notice (or, if such default cannot be cured within such 60-day 
period, if the Party in default does not commence and diligently continue 
substantive actions to cure such default), the notifying Party shall be 
entitled, without prejudice to any of its other rights conferred on it by 
this Agreement and in addition to any other remedies available to it by law 
or in equity (except as provided in Section 6.4), to terminate this Agreement 
by giving written notice to take effect immediately upon delivery of such 
notice.

          10.2.2    Except as provided in Section 6.4, termination by a Party 
of the Distribution Agreement, in whole or as to a given Product, for failure 
on the part of the other Party to comply with any of the material obligations 
contained in said Distribution Agreement shall entitle the terminating Party 
thereunder, without prejudice to any of its

                                       32
<PAGE>

other rights conferred on it by this Agreement and in addition to any other 
remedies available to it by law or in equity, to terminate this Agreement 
(provided that if such Distribution Agreement is only terminated as to a  
specific Product, then termination hereunder shall be as to such Product 
only) by giving written notice to take effect immediately upon delivery of 
such notice.

     10.3 INSOLVENCY OR BANKRUPTCY.  In the event that a Party shall have 
become insolvent or bankrupt, or shall have made an assignment for the 
benefit of its creditors, or there shall have been appointed a trustee or 
receiver of such Party for all or a substantial part of its property, or any 
case or proceeding shall have been commenced or other action taken by or 
against such Party (as to which, if involuntary commenced against such Party, 
such Party is not able to obtain dismissal within 90 days after commencement 
thereof) in bankruptcy or seeking reorganization, liquidation, dissolution, 
winding-up, arrangement, composition or readjustment of its debts or any 
other relief under any bankruptcy, insolvency, reorganization or other 
similar act or law of any jurisdiction now or hereafter in effect, then such 
Party shall not be relieved in any respect of its obligations hereunder, and, 
in addition to any other remedies available to it by law or in equity, the 
other Party may terminate this Agreement, in whole or in part as the 
terminating Party may determine, by written notice to such Party.

     10.4 OTHER TERMINATION SITUATIONS.  BMS may (without prejudice to any of 
its other rights conferred on it by this Agreement or by law) terminate this 
Agreement effective immediately by giving written notice to such effect to 
DURA in the event that:

          10.4.1    DURA engages in illegal activities or illegal conduct 
which materially and adversely  damages the market or potential market for a 
Product (i) in the Territory and/or (ii) in other countries of the world when 
taken as a whole; or

          10.4.2.   BMS withdraws a given Product from the U.S. market for 
safety reasons in connection with a withdrawal of the Product from its 
markets worldwide generally for such reasons (in which event the termination 
shall be limited to such Product only).

     10.5 EFFECT OF TERMINATION.

          10.5.1    Upon termination of this Agreement by BMS pursuant to 
Section 10.2 (as to the entire Agreement), 10.3, or 10.4.1, DURA shall 
promptly: (i) return to BMS all relevant records, materials or confidential 
information relating to the Products in its (or any Affiliates or 
contractors') possession or control; (ii) except as provided in Section 
10.5.3, discontinue all marketing, sale, and distribution of the Products, 
and return where BMS elects to purchase same pursuant to Section 10.5.3 or is 
required to purchase same pursuant to Section 10.5.4, return in accordance 
with Section 10.5.3 or 10.5.4, as the case may be, any inventory of Products 
then on hand at DURA facilities or that of its designee (with BMS to 
reimburse DURA for transportation charges of same to BMS); and (iii) except 
as provided in Section 10.5.3, discontinue use of the Trademarks, destroy all 
advertising or other printed materials bearing the

                                       33
<PAGE>

Trademarks, cooperate with BMS to execute such documents and take such 
actions as may be necessary to cancel any registration of DURA as a Permitted 
User or Registered User of the Trademarks, and DURA's right to use the 
Trademarks for the Products in the Territory shall terminate.

          10.5.2    Upon expiration of this Agreement (as to a given Product) 
or upon the termination of this Agreement by BMS pursuant to Section 10.2.2 
(as to a given Product) or 10.4.2 (as to a given Product), DURA shall 
promptly:  (i) return to BMS all relevant records, materials or confidential 
information relating to the affected Product in its (or any Affiliates or 
contractors') possession or control; (ii) except as provided in Section 
10.5.3, discontinue all marketing, sale, and distribution of the affected 
Product, and return, where BMS elects to purchase same pursuant to Section 
10.5.3 or is required to purchase same pursuant to Section 10.5.4, return in 
accordance with Section 10.5.3 or 10.5.4, as the case may be, any inventory 
of the affected Product then on hand at DURA facilities or that of its 
designee (with BMS to reimburse DURA for transportation charges of same to 
BMS, except that, if terminated by BMS pursuant to Section 10.2, then such 
transportation charges shall be at DURA's expense); and (iii) except as 
provided in Section 10.5.3, discontinue use of the Trademarks, destroy all 
advertising or other printed materials bearing the Trademarks, cooperate with 
BMS to execute such documents and take such actions as may be necessary to 
cancel any registration of DURA as a Permitted User or Registered User of the 
Trademarks with respect to the affected Product, and DURA's right to use the 
Trademarks for the affected Product in the Territory shall terminate.

          10.5.3      Upon expiration of this Agreement or upon the 
termination of this Agreement by BMS pursuant to any of Sections 10.1, 10.3, 
10.4.1 or 10.4.2, DURA shall be entitled, for three (3) months following such 
termination, to sell in the Territory any Product then on hand and to use the 
Trademarks for such limited purpose, subject to the following.  BMS may elect 
in its sole and absolute discretion, upon written notice given to DURA at any 
time prior to the end of said 3-month period, to purchase from DURA, and DURA 
shall (if such written notice is provided by BMS) sell to BMS, such amount 
(including up to all) of the Product then in DURA's inventory at the end of 
such 3-month period at the price paid for each Product by DURA as BMS may 
elect to purchase; PROVIDED, however, that, where such written notice was 
provided by BMS, BMS shall not be obligated to repurchase any Products which 
are not in good condition, which are labeled as requiring storage under 
refrigerated or freezing conditions, which are not in full, unopened, 
factory-sealed cases, whose labeling or packaging have been altered or 
damaged, or which have at the time of return a then remaining shelf life of 
less than twelve (12) months for any Product. 

          10.5.4    Upon the termination of this Agreement by DURA pursuant 
to Section 10.2 or 10.3,  DURA shall be entitled, for three (3) months 
following such termination, to sell in the Territory any Product then on hand 
to which such termination applies and to use the Trademarks for such limited 
purpose, subject to the following.  DURA may elect upon written notice to BMS 
given within said 3-month period, to require that BMS purchase from DURA, and 
DURA shall sell to BMS, all Products then in DURA's inventory at the price 
paid for such Product by DURA; PROVIDED, however, that where DURA provides 
such written notice, BMS shall not be obligated to repurchase any Products 
which are not in good condition, which are labeled as requiring storage under 
refrigerated or freezing conditions, which are not in full, unopened, 
factory-sealed cases, whose labeling or packaging have been altered or 
damaged, or which have at the

                                       34
<PAGE>

time of return a then remaining shelf life of less than twelve (12) months 
for any Product.

          10.5.5    Neither BMS or DURA shall incur any liability to the 
other by reason of the expiration or termination of this Agreement as 
provided herein, nor for its non-renewal, whether for loss of goodwill, 
anticipated profits or otherwise, and BMS and DURA shall accept all rights 
granted and all obligations assumed hereunder, including those in connection 
with such expiration or termination in full satisfaction of any claim 
resulting from such expiration or termination.

          10.5.6    Any acceptance by BMS of any order from DURA or the sale 
of any Products by BMS to DURA after the expiration or termination of this 
Agreement shall not be construed as a renewal or extension of this Agreement 
or as a waiver of termination thereof.

          10.5.7    Exercise by a Party of its rights as to return, sale and 
resale of Products under this Section 10.5 shall preclude the exercise of 
such rights a second time under the Distribution Agreement.

          10.5.8    Upon termination of this Agreement by DURA in accordance 
with the terms hereof, and provided that DURA does not thereafter elect to 
terminate its rights under the Distribution Agreement, BMS shall, if 
requested in writing by DURA (and so long as DURA certifies to BMS that DURA 
intends to manufacture, or have a Third Party manufacture for DURA, the 
Product for marketing in the Territory), promptly provide Manufacturing 
Know-How to DURA and grant DURA the rights and licenses set forth in Section 
2.13 hereof, subject to the terms and conditions set forth in said Section 
2.13, as though DURA were intending to manufacture the Product for marketing 
the Territory following the Applicable Term.

     10.6 ACCRUED RIGHTS, SURVIVING OBLIGATIONS.

          10.6.1    Termination, relinquishment or expiration of this 
Agreement for any reason shall be without prejudice to any rights which shall 
have accrued to the benefit of either Party prior to such termination, 
relinquishment or expiration.  Such termination, relinquishment or expiration 
shall not relieve either Party from obligations which are expressly indicated 
to survive termination or expiration of this Agreement.

          10.6.2    Termination of this Agreement, in whole or in part, shall 
not terminate DURA's obligation to pay the Purchase Price for Product which 
has been sold to it or firm ordered by it hereunder prior to the effective 
date of termination. All of the Parties' rights and obligations under 
Articles 1, 4 , 6, 7, 8, 9, 11, 12, 13 (where applicable), and 14 and 
Sections 2.5, 2.6, 2.8, 2.11, 2.13, 5.1, 5.2, 5.3, 5.7, 5.8, 10.5 (as 
applicable), and 10.6  shall survive termination.

11.  FORCE MAJEURE.

     Any delays in performance by any Party under this Agreement shall not be
considered a breach of this

                                       35
<PAGE>

Agreement if and to the extent caused by occurrences beyond the reasonable 
control of the Party affected, including but not limited to acts of God, 
embargoes, governmental restrictions, materials shortages or failure of any 
supplier, where such shortage or failure is attributable to a supplier's 
breach of its agreement with BMS or with a Third Party subcontractor or to an 
event of force majeure suffered by such supplier), fire, flood, earthquake, 
hurricanes, storms, tornados, explosion, riots, wars, civil disorder, failure 
of public utilities or common carriers, failure of Baxter to supply Product, 
labor disturbances, rebellion or sabotage.  The Party suffering such 
occurrence shall immediately notify the other Party as soon as practicable of 
such inability and of the period for which such inability is expected to 
continue, and any time for performance hereunder shall be extended by the 
actual time of delay caused by the occurrence; provided, that the Party 
suffering such occurrence uses commercially reasonable efforts to mitigate.  
The Party giving such notice shall thereupon be excused from such of its 
obligations under this Agreement as it is thereby disabled from performing, 
and shall have no liability for such non-performance, for so long as it is so 
disabled and the 30 days thereafter.  During any period when BMS is unable to 
supply the total demands of all of its customers for firm orders of a Product 
SKU# for any reason covered by this Article 11, BMS may allocate any 
available Product among the firm orders placed by DURA and BMS' Third Party 
customers and licensees, excluding BMS' own divisions and departments, 
proportionately to the amounts so firm-ordered by DURA and such Third Parties 
and licensees.  Notwithstanding the foregoing, nothing in this Article 11 
shall excuse or suspend the obligation to make any payment due under this 
Agreement or in any Related Agreement in the manner and at the time provided.

12.  NOTICES.  

     Unless otherwise explicitly set forth herein, any notice required or 
permitted to be given hereunder shall be in writing and shall be delivered 
personally by hand, or sent by reputable overnight courier, signature 
required, to the addresses of each Party set forth below or to such other 
address or addresses as shall be designated in writing in the same matter:

          (a)  If to BMS:

               Bristol-Myers Squibb U.S. Pharmaceutical Group
               777 Scudders Mill Road
               Plainsboro, NJ  08536
               Attention: President, U.S. Pharmaceuticals Group


with a copy to its Vice President and Senior Counsel, U.S. Pharmaceuticals Group
at the same address

          (b)  If to DURA:

               Dura Pharmaceuticals, Inc.
               7475 Lusk Boulevard
               San Diego, CA 92121

                                       36
<PAGE>

               Attention: President 

with a copy to its General Counsel at the same address

All notices shall be deemed given when received by the addressee.

13.  NON-SOLICITATION.

     13.1 NON-SOLICITATION.    For a period of three (3) years following the 
Effective Date, neither Party or its Affiliates shall employ, contract with, 
or solicit, directly or indirectly, any employee of the other Party or any of 
its Affiliates, wherever located, who was or is at any time a member of the 
research and development group, franchise management group, manufacturing 
group, financial group, or sales force or marketing group and whose duties 
encompassed any duties pertaining to any Product, without the prior written 
consent of the other Party; provided, that the foregoing restriction on 
solicitation shall not apply to advertisements run in trade journals or other 
publications or on the Internet that are targeted to qualified individuals 
generally for the position in question.

14.  MISCELLANEOUS PROVISIONS.

     14.1 ASSIGNMENT.  Neither Party shall assign or otherwise transfer this 
Agreement or any interest herein or right hereunder without the prior written 
consent of the other Party, and any such purported assignment, transfer or 
attempt to assign or transfer any interest herein or right hereunder shall be 
void and of no effect; except that each Party (i) may assign its rights and 
obligations hereunder to an Affiliate without the prior consent of the other 
Party (although, in such event, the assigning Party shall remain primarily 
responsible for all of its obligations and agreements set forth herein, 
notwithstanding such assignment) and (ii) may assign its rights and 
obligations to a successor (whether by merger, consolidation, reorganization 
or other similar event) or purchaser of all or substantially all of its 
business assets relating to all Products, provided, that such successor or 
purchaser has agreed in writing to assume all of such Party's rights and 
obligations hereunder and a copy of such assumption is provided to the other 
Party hereunder.

     14.2 NON-WAIVER.  Any failure on the part of a Party to enforce at any 
time or for any period of time any of the provisions of this Agreement shall 
not be deemed or construed to be a waiver of such provisions or of any right 
of such Party thereafter to enforce each and every such provision on any 
succeeding occasion or breach thereof.

     14.3 DISPUTE RESOLUTION.

          14.3.1    The Parties recognize that disputes as to certain matters 
may from time to time arise during the term of this Agreement which relate to 
either Party's rights and/or obligations hereunder.  It is the objective of 
the Parties to establish procedures to facilitate the resolution of disputes 
arising under or in connection with this Agreement, including without 
limitation all financial disputes and any disputes as to the validity, 
construction, performance, default,

                                       37
<PAGE>

or breach hereof, in an expedient manner by mutual cooperation and without 
resort to litigation.  To accomplish this objective, but subject to Section 
14.3.3 below, the Parties agree to follow the procedures set forth in this 
Section 14.3 if and when such disputes arise under or in connection with this 
Agreement between the Parties (except as provided in Section 14.3.4 below).  
If the Parties cannot resolve the dispute within 30 days of formal request by 
either Party to the other, any Party may, by written notice to the other, 
have such dispute referred to the President of DURA and the President of the 
BMS U.S. Pharmaceutical Group (or their designees) for attempted resolution 
by good faith negotiations.  If such personnel are unable to resolve such 
dispute within thirty (30) days after such notice is received, then such 
dispute shall be finally resolved, but only if written notice is thereafter 
served by a Party on the other Party specifically requesting binding 
arbitration pursuant to Section 14.3.2, by binding arbitration (except as set 
forth in Section 14.3.4 below) under Section 14.3.2 hereof.

          14.3.2    Where a Party has served a written notice upon the other 
requesting binding arbitration of a dispute pursuant to this Section 14.3.2, 
any such arbitration shall be held in New York, New York (if DURA was the 
Party providing such written notice) or in San Diego, California (if BMS was 
the Party providing such written notice), according to the Commercial 
Arbitration Rules (the "Rules") of the American Arbitration Association.  Any 
arbitration herewith shall be conducted in the English language.  The 
arbitration shall be conducted by one arbitrator who is knowledgeable in the 
subject matter which is at issue in the dispute and who is selected by mutual 
agreement of the Parties or, failing such agreement, shall be selected 
according to the AAA rules.  The Parties shall have such discovery rights as 
the arbitrator may allow, but in no event broader than that discovery 
permitted under the Federal Rules of Civil Procedure.  In conducting the 
arbitration, the arbitrator shall apply the New York Rules of Evidence, and 
shall be able to decree any and all relief of an equitable nature, including 
but not limited to such relief as a temporary restraining order, a 
preliminary injunction, a permanent injunction, or replevin of property, as 
well as specific performance.  The arbitrator shall also be able to award 
direct, indirect and, where permitted by this Agreement, consequential 
damages, but shall not award any other form of damage (e.g., punitive or 
exemplary damages). The reasonable fees and expenses, of the arbitrators, 
along with the reasonable legal fees and expenses of the prevailing Party 
(including all expert witness fees and expenses), the fees and expenses of a 
court reporter, and any expenses for a hearing room, shall be paid as 
follows:  If the arbitrators rule in favor of one Party on all disputed 
issues in the arbitration, the losing Party shall pay 100% of such fees and 
expenses; if the arbitrators rule in favor of one Party on some issues and 
the other Party on other issues, the arbitrators shall issue with the rulings 
a written determination as to how such fees and expenses shall be allocated 
between the Parties.  The arbitrators shall allocate fees and expenses in a 
way that bears a reasonable relationship to the outcome of the arbitration, 
with the Party prevailing on more issues, or on issues of greater value or 
gravity, recovering a relatively larger share of its legal fees and expenses. 
The decision of the arbitrators shall be final and may be entered, sued on 
or enforced by the Party in whose favor it runs in any court of competent 
jurisdiction at the option of such Party.  Whether a claim, dispute or other 
matter in question would be barred by the applicable statute of limitations, 
which statute of limitations also shall apply to any claim or disputes 
subject to arbitration under this Section, shall be determined by binding 
arbitration pursuant to this Section 14.3.

          14.3.3    Notwithstanding anything to the contrary in this Section
14.3, either Party may seek immediate

                                       38
<PAGE>

injunctive or other interim relief without resort to arbitration from any 
court of competent jurisdiction as necessary to enforce and prevent 
infringement of the patent rights, copyright rights, trademarks, trade 
secrets, or other intellectual property rights owned or controlled by a Party 
or its Affiliates or to prevent breach of Article 9 hereof.

          14.3.4    Notwithstanding anything to the contrary in this Section 
14.3, DURA shall be entitled to seek damages without resort to arbitration 
from any court of competent jurisdiction with respect to any breach by BMS of 
its supply obligations hereunder, and if so elected by DURA, BMS shall be 
entitled, but not obligated, to pursue such damages as it may have against 
DURA in any such proceeding without resort to arbitration.
 
     14.4 ENTIRETY OF AGREEMENT.  This Agreement, the Exhibits attached 
hereto, and the Related Agreements where herein referenced, contains the 
entire understanding of the Parties with respect to the subject matter hereof 
and thereof and supersedes all previous and contemporaneous verbal and 
written agreements, representations and warranties with respect to such 
subject matter. This Agreement (or any provision or term hereof) may be 
released, waived, changed or supplemented only by a written agreement signed 
by an officer or other authorized representative of the Party against whom 
enforcement of any release, waiver, change or supplement is sought.  This 
Agreement shall not be strictly construed against either Party hereto.

     14.5 PUBLIC ANNOUNCEMENTS.    The form and content of any public 
announcement to be made by one Party regarding this Agreement, or the subject 
matter contained herein, shall be subject to the prior written consent of the 
other Party (which consent may not be unreasonably withheld), except as may 
be required by applicable law (including, without limitation, disclosure 
requirements of the SEC, NASDAQ, or any other stock exchange) in which event 
the other Party shall use commercially reasonable efforts to give the other 
Party reasonable advance notice and reasonable opportunity to review any such 
disclosure.

     14.6 GOVERNING LAW.  This Agreement shall be governed by and construed 
in accordance with the internal laws of the State of New York, without regard 
to its conflicts of law principles.

     14.7 RELATIONSHIP OF THE PARTIES.  In making and performing this 
Agreement, the Parties are acting, and intend to be treated, as independent 
entities and nothing contained in this Agreement shall be construed or 
implied to create an agency, partnership, joint venture, or employer and 
employee relationship between BMS and DURA.  Except as otherwise provided 
herein, neither Party may make any representation, warranty or commitment, 
whether express or implied, on behalf of or incur any charges or expenses for 
or in the name of the other Party.  No Party shall be liable for the act of 
any other Party unless such act is expressly authorized in writing by both 
Parties hereto.  

     14.8 COUNTERPARTS.  This Agreement shall become binding when any one or 
more counterparts hereof, individually or taken together, shall bear the 
signatures of each of the Parties hereto.  This Agreement may be executed in 
any number of counterparts, each of which shall be deemed an original as 
against the Party whose signature appears thereon, but all of which taken 
together shall constitute but one and the same instrument.

                                       39
<PAGE>

     14.9 SEVERABILITY.  If any part of this Agreement is declared invalid by 
any legally governing authority having jurisdiction over either Party, then 
such declaration shall not affect the remainder of the Agreement and the 
Parties shall revise the invalidated part in a manner that will render such 
provision valid without impairing the Parties' original intent.

     14.10     CUMULATIVE RIGHTS.  Except as herein expressly provided, the 
rights, powers and remedies hereunder shall be in addition to, and not in 
limitation of, all rights, powers and remedies provided at law or in equity, 
or under any other agreement between the Parties, and all of such rights, 
powers and remedies shall be cumulative, and may be exercised successively or 
cumulatively.

     14.11     NO OTHER RIGHTS.  No rights or licenses in or to either 
Party's patent rights, know-how, copyrights or trademarks are granted by a 
Party to the other, or shall be created or implied hereunder, except those 
licenses and rights that are expressly granted in this Agreement.
 
     14.12     EXPENSES.  BMS and DURA shall each bear their own direct and 
indirect expenses incurred in connection with the negotiation and preparation 
of this Agreement and the Related Agreements and, except as set forth in this 
Agreement or any Related Agreements, the performance of the obligations 
contemplated hereby and thereby.

[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK - THE SIGNATURE PAGE FOLLOWS]


                                       40
<PAGE>

     IN WITNESS WHEREOF, each of the Parties has caused this Agreement to be
executed in multiple counterparts by its duly authorized representative.

DURA PHARMACEUTICALS, INC.           BRISTOL-MYERS SQUIBB COMPANY

By: /s/ Cam L. Garner                By: /s/ Donald J. Hayden, Jr.
    -----------------------------       ----------------------------------------
                                          Donald J. Hayden, Jr.

Title: President & Chief Executive    Title: President-Worldwide Medicines Group
       Officer                               -----------------------------------
       ---------------------------

Date: 12/21/98                        Date: 
      -----------------------------         ------------------------------------




                      [SIGNATURE PAGE TO THE SUPPLY AGREEMENT]

                                       41
<PAGE>


                                       EXHIBITS


Exhibit 1.1A   -    List of Products and Trademarks

Exhibit 1.1B   -    Specifications for the Products

Exhibit 2.3.1  -    Initial Order of Product for First Six Months After
                    Effective Date

Exhibit 2.12   -    Maximum Annual Capacity

Exhibit 3.1    -    Purchase Price for Product Ordered 1/1/99-12/31/99; Minimum
                    Batch Sizes

Exhibit 3.2    -    Purchase Price for Finished Product Inventory

Exhibit 5.4    -    Exceptions to Mutual Representations and Warranties

Exhibit 5.5    -    Exceptions to Representations and Warranties of BMS

Exhibit 5.6    -    Exceptions to Representations and Warranties of  DURA

                                       42

<PAGE>

                                                                 EXHIBIT 99.1

CONTACT:  CAM L. GARNER                 
          CHAIRMAN AND CHIEF EXECUTIVE OFFICER
          DURA PHARMACEUTICALS, INC.
          (619) 457-2553 
                                          
                                          
DURA PHARMACEUTICALS ANNOUNCES ACQUISITION OF EXCLUSIVE DISTRIBUTION RIGHTS FOR
      TWO PATENTED ANTIBIOTIC PRODUCTS, MAXIPIME-Registered Trademark- AND
            AZACTAM-Registered Trademark-, FROM BRISTOL-MYERS SQUIBB
                                          
     SAN DIEGO, CA --  December 22, 1998 -- Dura Pharmaceuticals, Inc. 
(NASDAQ NNM: DURA) (Dura) today announced that it has signed an agreement for 
exclusive U.S. distribution rights for the patented hospital antibiotic 
products Maxipime-Registered Trademark- IV/IM (cefepime HCl) and 
Azactam-Registered Trademark- IV/IM (aztreonam) from Bristol-Myers Squibb 
Company (NYSE:BMY) for an initial payment of $60 million, a payment of $70 
million due in 2003 and additional contingent payment amounts. In addition, 
the companies have entered into a transitional co-promotion agreement in 
which Bristol-Myers Squibb will dedicate a hospital sales force to promote 
the products in 1999. The transaction will be effective January 1, 1999. 
Bristol-Myers Squibb will be responsible for the manufacture and supply of 
the products for Dura.  Dura expects that Maxipime-Registered Trademark- and 
Azactam-Registered Trademark- could generate combined sales of $60 - $65 
million in 1999.  The market for intravenous (IV) antibiotics in the U.S. 
totaled approximately $1.4 billion in 1997.

     "With the potential for peak annual combined revenues to be more than 
twice our first year expectations, Maxipime-Registered Trademark- and 
Azactam-Registered Trademark- are strategically and financially significant 
for Dura," said Cam L. Garner, Dura's Chairman and CEO.  "They support our 
respiratory-focused business strategy while funding our expansion into the 
hospital market, which offers substantial opportunity for additional product 
acquisitions and represents an important distribution channel for our 
Spiros-Registered Trademark- products, pending FDA approval.  Importantly, 
these products will not detract from our promotional efforts that have 
provided solid growth momentum for Ceclor-Registered Trademark- CD (cefaclor 
extended release tablets) and Nasarel-Registered Trademark-(flunisolide).  
Indeed, they allow us to apply our expertise and knowledge base of antibiotic 
therapies and respiratory infection to the hospital market, as the products 
are indicated in part for acute respiratory infection such as pneumonia, the 
most frequently treated hospital infection."

<PAGE>

     In addition to the strategic fit of the products, Dura expects 
Maxipime-Registered Trademark- and Azactam-Registered Trademark- to have 
positive financial impact. "In 1999, we expect that the products will be 
mildly accretive to earnings as we will simultaneously co-promote the 
products with Bristol-Myers Squibb and invest in building our own hospital 
sales force.  Sales of Maxipime-Registered Trademark- and Azactam-Registered 
Trademark- in the year 2000 will support our goal to deliver 35% growth in 
earnings-per-share, even if major pre-launch or launch expenses are incurred 
for our Spiros-Registered Trademark- products during that time," said Mr. 
Garner.

     Dura Pharmaceuticals is a San Diego-based developer and marketer of 
prescription pharmaceutical products for the treatment of allergies, asthma 
and related respiratory conditions, and is developing a pulmonary drug 
delivery system. Dura's mission is to be the leading pharmaceutical company 
with a focus in the high-growth U.S. respiratory market.  The Company is 
pursuing that goal through two major strategies:  (1) acquiring late-stage 
prescription pharmaceuticals and/or companies with rights to such 
pharmaceuticals for marketing to high-prescribing respiratory physicians and 
(2) developing Spiros-Registered Trademark-, a proprietary dry powder 
pulmonary drug delivery system.

     Bristol-Myers Squibb is a diversified worldwide health and personal care 
company whose principal businesses are pharmaceuticals, consumer medicines, 
beauty care, nutritionals and medical devices. It is a leading maker of 
innovative therapies for cardiovascular, metabolic and infectious diseases, 
central nervous and dermatological disorders, and cancer. The company is a 
leader in consumer medicines, orthopaedic devices, ostomy care, wound 
management, nutritional supplements, infant formulas, and hair and skin care 
products.

     Except for the historical and factual information contained herein, the 
matters discussed in this press release may contain forward-looking 
statements which involve risks and uncertainties, including market 
conditions, competitive products and pricing, seasonality, the ability of the 
Company to add qualified sales representatives in a timely manner, the timely 
establishment of a hospital sales force, the timely development of the 
Spiros-Registered Trademark- system, the timely receipt of FDA approval of 
Spiros-Registered Trademark- products,  if at all, Dura's limited 
manufacturing experience, dependency upon third parties and their successful 
development efforts and other risks detailed from time to time in the 
Company's filings with the Securities and Exchange Commission. Actual results 
may differ materially from those projected.  Any forward-looking statements 
represent the Company's judgment as of the date of this release.  The Company 
disclaims, however, any intent or obligation to update these forward-looking 
statements.

                                       # # #


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