SECOND AMENDED AND RESTATED UNDERTAKING AGREEMENT

          SECOND AMENDED AND RESTATED UNDERTAKING AGREEMENT dated as of December 5, 2003, made by CROWN HOLDINGS, INC., a Pennsylvania corporation, (Crown Holdings), CROWN CORK & SEAL COMPANY, INC., a Pennsylvania corporation (CCSC) and CROWN INTERNATIONAL HOLDINGS, INC., a Delaware (CIH, and together with Crown Holdings and CCSC, the Parent Undertaking Parties, and each, individually, a Parent Undertaking Party), in favor of the Purchasers as defined in the Receivables Purchase Agreement and CITIBANK, N.A. (Citibank), as administrative agent (the Agent) for the Purchasers and the other Owners.

PRELIMINARY STATEMENTS.

          1.      CCSC has executed and delivered a Undertaking Agreement dated as of January 26, 2001, as amended and restated as of May 7, 2001 (such Undertaking Agreement being the Existing Undertaking Agreement).

          2.      The parties hereto have agreed to amend and restate the Existing Undertaking Agreement in its entirety to give effect to the terms and conditions set forth in this Second Amended and Restated Undertaking Agreement (the Existing Undertaking Agreement, as so amended and restated, and this Second Amended and Restated Undertaking Agreement, as further amended, restated, supplemented or otherwise modified from time to time, collectively, this Agreement).

          3.      (i) Crown Holdings, Inc. owns, directly or indirectly, all of the issued and outstanding shares of common stock of CCSC and CIH, (ii) CCSC owns, directly or indirectly, all of the issued and outstanding shares of common stock of Crown Cork &Seal Receivables (DE) Corporation, a Delaware corporation (the Seller), and all of the issued and outstanding shares of common stock of each of the US Originators (as hereinafter defined) and (iii) CIH owns, directly or indirectly, all of the issued and outstanding shares of common stock or partnership interests of each of the UK Originators and the Canadian Originator (as defined in the Receivables Purchase Agreement).

          4.      The Seller and Crown (USA) as Servicer have entered into a Second Amended and Restated Receivables Purchase Agreement dated as of the date hereof (such agreement, as it may from time to time be further amended, supplemented or otherwise modified, being the Receivables Purchase Agreement) with the Purchasers and Citibank, N.A., as the Agent, pursuant to which the Seller may sell to each Purchaser undivided percentage ownership interests in its accounts receivable that were originally owed to each Originator and that have been or may be acquired from time to time by the Seller from (i) each US Originator, the Canadian Originator and the Former Canadian Originator pursuant to a Second Amended and Restated Receivables Contribution and Sale Agreement dated as of the date hereof or the Existing Receivables Contribution and Sale Agreement (as defined therein) (the Existing Receivables Contribution and Sale Agreement, as amended and restated by the Second Amended and Restated Contribution and Sale Agreement, and the Second Amended and Restated Contribution and Sale Agreement, as it may from time to time be further amended, supplemented or otherwise modified, being the U.S./Canada Contribution and Sale Agreement) among the US Originators, the Canadian Originator, and the Former Canadian Originator, as sellers, the Seller, as the Buyer, and Crown (USA), as the Buyers Servicer and (ii) each UK Originator pursuant to a Receivables Contribution and Sale Agreement (such agreement, as it may from time to time be amended, supplemented or otherwise modified, being the UK Contribution and Sale Agreement, and together with the U.S./Canada Contribution and Sale Agreement, the Contribution and Sale Agreements) to be entered into among the UK Originators, as sellers, the Seller, as the Buyer, and Crown (USA), as the UK Buyers Servicer.

          5.      Terms defined in either the Receivables Purchase Agreement or the Contribution and Sale Agreements and not otherwise defined in this Agreement are used in this Agreement (including, without limitation, Exhibit A to this Agreement) as defined in the Receivables Purchase Agreement or the Contribution and Sale Agreements, as applicable. Capitalized terms defined in Exhibit A to this Agreement are used in this Agreement as defined in such Exhibit A.

          6.      It is a condition precedent to the making of the initial Purchase under the Receivables Purchase Agreement that the Parent Undertaking Parties shall have executed and delivered this Agreement.

          NOW, THEREFORE, in consideration of the premises, and the substantial direct and indirect benefits to the Parent Undertaking Parties from the financing arrangements contemplated by the Receivables Purchase Agreement and the Contribution and Sale Agreements and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parent Undertaking Parties hereby agree that, effective as of the date hereof, the Existing Undertaking Agreement is amended and restated as follows:

           SECTION 1.      Unconditional Undertaking.  The Parent Undertaking Parties, jointly and severally, hereby unconditionally and irrevocably undertake and agree with and for the benefit of each of the Purchasers and the other Owners and the Agent (collectively the Indemnified Parties) to cause the due and punctual performance and observance by each of (a) the Seller and its successors and assigns, (b) the Servicer (so long as any Affiliate of any of the Parent Undertaking Parties is the Servicer) and (c) each of the Originators and each of their respective successors and assigns, in each case of clauses (a), (b), and (c), of all of the terms, covenants, agreements, undertakings and other obligations on the part of the Seller, the Servicer (so long as any Affiliate of any of the Parent Undertaking Parties is the Servicer) or each of the Originators, as applicable, to be performed or observed under each of the Receivables Purchase Agreement, the Contribution and Sale Agreements and the other Transaction Documents and the other documents delivered in connection therewith in accordance with the terms thereof, including, without limitation, the obligations to pay when due all monetary obligations of each of the Seller, the Servicer (so long as any Affiliate of any of the Parent Undertaking Parties is the Servicer) and the Originators now or hereafter existing under the Receivables Purchase Agreement, the Contribution and Sale Agreements and the other Transaction Documents, whether for Collections received, deemed Collections, Yield, interest, indemnifications, fees, costs, expenses or otherwise (such terms, covenants, agreements, undertakings and other obligations being the Obligations) and undertake and agree to pay any and all expenses (including reasonable counsel fees and expenses) incurred by the Indemnified Parties, or any of them, in enforcing any rights under this Agreement. In the event that the Seller, the Servicer (so long as any Affiliate of any of the Parent Undertaking Parties is the Servicer) or any of the Originators shall fail in any manner whatsoever to perform or observe any of its Obligations when the same shall be required to be performed or observed, then the Parent Undertaking Parties shall themselves duly and punctually perform or observe, or cause to be duly and punctually performed and observed, such Obligation, and it shall not be a condition to the accrual of the obligation of the Parent Undertaking Parties hereunder to perform or observe any Obligation (or to cause the same to be performed or observed) that any Indemnified Party shall have first made any request of or demand upon or given any notice to the Seller, the Servicer (whether or not any Affiliate of any of the Parent Undertaking Parties is the Servicer) or any of the Originators or any of their successors or assigns, or have instituted any action or proceeding against the Seller, the Servicer (whether or not any Affiliate of any of the Parent Undertaking Parties is the Servicer) or any of the Originators or any of their successors or assigns in respect thereof.

Exhibit 4.26

UNDERTAKING AGREEMENT

dated as of

December 17, 2003

by

LYONDELL CHEMICAL COMPANY

TABLE OF CONTENTS

ARTICLE 1

DEFINITIONS

Section 1.01.

Section 1.02.

Section 1.03.

ARTICLE 2

REPRESENTATIONS AND WARRANTIES

Section 2.01.

Exhibit 4.24

UNDERTAKING AGREEMENT

dated as of

December 17, 2003

by

EQUISTAR CHEMICALS, LP

TABLE OF CONTENTS

ARTICLE 1

DEFINITIONS

Section 1.01.

Section 1.02.

Section 1.03.

ARTICLE 2

REPRESENTATIONS AND WARRANTIES

UNDERTAKING AGREEMENT

     This UNDERTAKING AGREEMENT (�Agreement�) is made as of November 14, 2004, between Perrigo Company, a Michigan corporation (�Buyer�), Agis Industries (1983) Ltd., an Israeli public company (the �Company�) and the undersigned shareholder (�Shareholder�) of the Company.

RECITALS:

     WHEREAS, concurrently with the execution and delivery of this Agreement, Buyer, Perrigo Israel Opportunities Ltd., a private Israeli company and wholly owned subsidiary of Buyer (�Merger Sub�), and the Company are entering  . . .

UNDERTAKING

            This Undertaking (the "Undertaking") is made and entered into as of the 31^st day of March 2003 by US Airways Group, Inc., a Delaware corporation (the "Company") and the Retirement Systems of Alabama Holdings LLC ("RSA"), for the benefit of the Air Transportation Stabilization Board (the "ATSB").

Undertaking

Oil Search Limited

and

DRD (Isle of Man) Limited

Freehills

This Undertaking

is made on 14 October 2003 between the following parties:

1.

Oil Search Limited

(ARBN 055 079 868), a company incorporated under the laws of the Independent State of Papua New Guinea having its registered office at Level 5, MMI Pacific Insurance Building, Champion Parade, Port Moresby, National Capital District (OSL)

  . . .

UNDERTAKING AGREEMENT

dated as of

December 17, 2003

by

EQUISTAR CHEMICALS, LP

TABLE OF CONTENTS

ARTICLE 1

DEFINITIONS

Section 1.01.

Section 1.02.

Section 1.03.

ARTICLE 2

REPRESENTATIONS AND WARRANTIES

Section 2.01.

Section 2. . . .