EXHIBIT 4 6.(a) AMENDMENT NO. 1 TO CREDIT AGREEMENT Amendment No. 1 (the "Amendment") is dated as of January 11, 1993, among CBI Industries, Inc., a Delaware corporation (the "Company"), each Specified Subsidiary that becomes a party to the Credit Agreement pursuant to Section 1.4, the financial institutions listed on the signature pages of this Amendment under the heading "Banks" (such financial institutions, and any successor financial institution that becomes a party to the Credit Agreement (as hereinafter defined) pursuant to Section 4.16 or 10.7 of the Credit Agreement, hereinafter referred to as the "Banks"), and Ibis Investments, Inc., as bid advance agent under the Credit Agreement (such bid advance agent and any successor bid advance agent appointed pursuant to Section 9.8 of the Credit Agreement shall be hereinafter referred to as the "Bid Advance Agent"). W I T N E S S E T H WHEREAS, the parties to this Amendment entered into that certain Credit Agreement dated as of December 4, 1992 (the "Credit Agreement"); WHEREAS, the Company has requested that the Subsidiary Guaranty be cancelled and the requirement for the Subsidiary Guaranty provided under Section 7.18 of the Credit Agreement be deleted because, due to restrictions on subsidiary guarantees contained in other agreements of the Company, the Company may not borrow more than a limited amount from the Banks under the Credit Agreement; WHEREAS, the Banks desire that the Company be able to borrow from the Banks up to the full amount permitted under the Credit Agreement; and WHEREAS, all of the Banks and the Bid Advance Agent have consented to an amendment to accomplish the above request. NOW, THEREFORE, in consideration of the terms and conditions set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 1. Unless otherwise specified herein, capitalized terms used but not otherwise defined herein shall have the meaning ascribed thereto in the Credit Agreement. 2. That each of the Subsidiaries which have executed the Subsidiary Guaranty is released from all liabilities and obligations under the Subsidiary Guaranty and the Subsidiary Guaranty is cancelled and null and void as of the date of this Amendment. 3. The Credit Agreement is amended by deleting the following: a. the definition of Subsidiary Guaranty from Section 1.1, b. Section 5.5, c. Section 7.18, d. Section 8.1(k), e. Exhibit 5.5, and f. Exhibit 7.18. 4. The Credit Agreement is amended by adding Section 7.19 which reads in its entirety as follows: 7.19 Dividend Restrictions. The Company will not permit any U.S. Restricted Subsidiary to enter into, or be a party to, any agreement which limits or restricts the amount of dividends such U.S. Restricted Subsidiary can pay to the Company or another Subsidiary of the Company. 5. Section 10.1 is amended by deleting Section 10.1(vii) and renumbering Section 10.1(viii) as Section 10.1(vii). 6. Except as amended herein, all other terms of the Credit Agreement shall remain in full force and effect and are hereby ratified and confirmed as so amended. 7. This Amendment may be executed in any number of counterparts, each of which so executed shall be deemed an original, but all such counterparts shall constitute one and the same instrument. 8. This Amendment shall be governed by, and construed in accordance with, the internal laws (as distinguished from the conflicts of laws rules) of the State of Illinois. IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and delivered by their proper and duly authorized officers as of the day and year first written above. CBI INDUSTRIES, INC. By: /S/ Buel T. Adams ____________________________________ Buel T. Adams Vice President and Treasurer IBIS INVESTMENTS, INC. By: /S/ Buel T. Adams ____________________________________ Buel T. Adams Vice President and Treasurer BANKS: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION By: /S/ Daniel J. Boote ____________________________________ Daniel J. Boote Vice President By: /S/ M. Kathleen McVay ____________________________________ M. Kathleen McVay Vice President CONTINENTAL BANK N.A. By: /S/ G. William Marquardt ____________________________________ G. William Marquardt Senior Vice President ROYAL BANK OF CANADA By: /S/ Patricia A. Herbig ____________________________________ Patricia A. Herbig Manager BANK OF MONTREAL, CHICAGO BRANCH By: /S/ Hugh K. Brower ____________________________________ Hugh K. Brower Director THE NORTHERN TRUST COMPANY By: /S/ Elaine H. Moore ____________________________________ Elaine H. Moore Vice President THE FIRST NATIONAL BANK OF CHICAGO By: /S/ Katherine M. Lange ____________________________________ Katherine M. Lange Vice President CHEMICAL BANK By: /S/ George W. Brash ____________________________________ George W. Brash Managing Director ABN-AMRO BANK, N.V. By: /S/ John W. Stanger ____________________________________ John W. Stanger Vice President By: /S/ Catheryn N. Fuller ____________________________________ Catheryn N. Fuller Vice President BARCLAYS BANK PLC By: /S/ Olga Georgiev ____________________________________ Olga Georgiev Vice President By: /S/ Frank J. Sisinni ____________________________________ Frank J. Sisinni Vice President CREDIT LYONNAIS CHICAGO BRANCH By: /S/ Sandra E. Horwitz ____________________________________ Sandra E. Horwitz Vice President CREDIT LYONNAIS CAYMAN ISLAND BRANCH By: /S/ Sandra E. Horwitz ____________________________________ Sandra E. Horwitz Authorized Signature SOCIETE GENERALE By: /S/ Barbara S. Adelman ____________________________________ Barbara S. Adelman Vice President By: /S/ Charles M. Pierron ____________________________________ Charles M. Pierron Regional Manager GULF INTERNATIONAL BANK By: /S/ Haytham F. Khalil ____________________________________ Haytham F. Khalil Assistant Vice President By: /S/ Issa N. Baconi ____________________________________ Issa N. Baconi Senior Vice President & Branch Manager