EXHIBIT 10.61 AMENDING AGREEMENT ------------------ THIS AMENDING AGREEMENT dated November 7, 1997 BETWEEN: CANADIAN ULTRAMAR COMPANY - and - ULTRAMAR DIAMOND SHAMROCK CORPORATION - and - THE LENDERS HERETO - and - CANADIAN IMPERIAL BANK OF COMMERCE PREAMBLE: The parties hereto are parties to the Credit Agreement dated as of December 19, 1996 (the "Credit Agreement") and wish to amend the Credit Agreement to reflect the changes to the credit established thereunder. NOW THEREFORE in consideration of the covenants and agreements between the parties contained in this Amending Agreement and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows: 1. INTERPRETATION -------------- In this Amending Agreement, capitalized terms which are not otherwise defined herein shall have the meaning given in the Credit Agreement. 2. AMENDMENTS ---------- The Credit Agreement is hereby amended as follows: (a) The definition of "Consolidated EBITDA" in Section 1.1 is amended to read as follows: -2- "CONSOLIDATED EBITDA" means in respect of the Borrower or UDSC, as applicable, for any period, Consolidated Net Income for such period plus, to the extent deducted in such period in the determination of Consolidated Net Income: (a) provisions for taxes based on income; (b) Consolidated Interest Expense; (c) depreciation; (d) amortization; and (e) distributions made to the holders of TOPrS. (b) The definition of "Consolidated Interest Expense" in Section 1.1 is amended to read as follows: "CONSOLIDATED INTEREST EXPENSE" in respect of the Borrower or UDSC, as applicable, and its Consolidated Subsidiaries, for any period, total interest expense (including that portion attributable to Capital Leases in accordance with GAAP and capitalized interest that is payable in cash) net of interest income with respect to all outstanding Indebtedness, including without limitation, all commissions, discounts (including Discount Notes), other fees and charges owed with respect to letters of credit and bankers' acceptance financings and distributions made to the holders of TOPrS. (c) The definition of "Consolidated Net Worth" in Section 1.1 is amended to read as follows: "CONSOLIDATED NET WORTH" means at any date and in respect of the Borrower or UDSC, as applicable, and its Consolidated Subsidiaries, the sum of: (a) its consolidated shareholder's equity determined as of such date; and (b) 50% of the liquidation value of outstanding TOPrS determined as of such date. (d) The definition of "CONTINGENT OBLIGATIONS" in Section 1.1. is amended to read as follows: -3- "CONTINGENT OBLIGATIONS" means, with respect to any Person, any obligation of such Person guaranteeing or intended to guarantee any Indebtedness ("primary obligations") of any other Person (the "primary obligor") in any manner, whether directly or indirectly, including, without limitation, any obligation of such Person, whether or not contingent: (a) to purchase any such primary obligation or any property constituting direct or indirect security therefor from the primary obligee; (b) to advance or supply funds for the payment of any such primary obligation or to maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency of the primary obligor; (c) to purchase property, securities or services primarily for the purpose of assuring the primary obligee of the ability of the primary obligor to make payment of such primary obligation but excluding agreements on the part of such Person to supply crude oil or petroleum products or feedstock; or (d) otherwise to assure or hold harmless the primary obligee against loss in respect of such primary obligation; provided, however, that the term Contingent Obligation does not include endorsements of instruments for deposit or collection in the ordinary course of business. (e) The definition of "Indebtedness" in Section 1.1. is amended to read as follows: "INDEBTEDNESS" means in relation to any Person and without duplication, (a) all obligations of such Person for borrowed money or for the deferred purchase price of property or services (other than current trade payables within credit terms normally prevailing in the industry and accrued liabilities incurred in the ordinary course of business of such Person), (b) all obligations of such Person in respect of principal evidenced by a note, bond, debenture or similar instrument, (c) the obligations of such Person which are capitalized under Capital Leases, (d) all non-contingent obligations (and, for purposes of Sections 12.3 and 13.1(d), all Contingent Obligations) of such Person to reimburse any financial institution or other Person in respect of amounts paid under a letter of credit or similar instrument, (e) all indebtedness of any other Person secured by any Lien on any Property owned by such Person, whether or not such indebtedness has been assumed by such Person, (f) all obligations of such Person in respect -4- of surety bonds, appeal bonds or other similar instruments, (g) in the case of UDS Capital I, 50% of the liquidation value of outstanding TOPrS, and (h) all Contingent Obligations of such Person. (f) The definition of "Joint Proxy Statement" in Section 1.1. is deleted. (g) The definition of "Repayment Date" in Section 1.1. is amended to read as follows: "REPAYMENT DATE" means July 28, 2002. (h) The definition of "Subsidiary" in Section 1.1. is amended to read as follows: "SUBSIDIARY" means, with respect to any Person, (a) any corporation 50% or more of whose stock of any class or classes having by the terms thereof ordinary voting power to elect a majority of the directors of such corporation (irrespective of whether or not at the time stock of any class or classes of such corporation have or might have voting power by reason of the happening of any contingency) is at the time owned by such Person directly or indirectly through Subsidiaries and (b) any partnership, limited liability company, association, joint venture, trust or other entity in which such Person, directly or indirectly through Subsidiaries, is either a general partner, has a 50% or greater equity interest at the time or otherwise owns a controlling interest. (i) Section 1.1 is amended with the addition of the definitions as follows: "TOPRS" means the 8.32% Trust Originated Preferred Securities of UDS Capital I described in the Prospectus Supplement dated as of June 20, 1997. "UDSC'S 1996 FORM 10-K" means UDSC's Annual Report on Form 10-K for 1996, as filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934. "UDSC'S LATEST FORM 10-Q" means UDSC's quarterly report on Form 10- Q for the quarter ended June 30, 1997, as filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934. U) The definition of "U.S. Revolver" in Section 1.1 is amended to read as follows: "U.S. REVOLVER" means the revolving credit facility of U.S. $700,000,000 made available to UDSC pursuant to the Credit Agreement dated as of July 28, 1997, among UDSC, the Banks Party thereto, Morgan Guaranty Trust -5- Company of New York, as agent, J.P. Morgan Securities Inc. and Chase Securities Inc., as arrangers, and The Chase Manhattan Bank, as syndication agent. (k) Section 3.4 is amended to read as follows: 3.4 CANCELLATION OF CREDIT. The Borrower may, upon three Banking Days ---------------------- prior written notice to the Agent, permanently cancel the Unutilized Portion of the Credit in whole or from time to time in part, provided that any partial cancellation must be in a minimum amount of Cdn. $5,000,000 or any larger multiple of $1,000,000. (I) Section 10.4 is amended to read as follows: 10.4 FINANCIAL INFORMATION --------------------- (a) The consolidated balance sheet of UDSC and its Consolidated Subsidiaries as of December 31, 1996 and the related consolidated statements of income and cash flows for the fiscal year then ended, reported on by Ernst & Young LLP and set forth in UDSC's 1996 Form 10-K, a copy of which has been delivered to each of the Lenders, fairly present, in conformity with GAAP the consolidated financial position of UDSC and its Consolidated Subsidiaries as of such date and their consolidated results of operations and cash flows for such fiscal year. (b) The unaudited consolidated balance sheet of UDSC and its Consolidated Subsidiaries as of June 30, 1997 and the related unaudited consolidated statements of income and cash flows for the six months then ended, set forth in UDSC's Latest Form 10-Q, a copy of which has been given to each of the Lenders, fairly present, in conformity with GAAP or SEC regulation, the consolidated financial position of UDSC as of such date and its consolidated results of operations and cash flows for such six month period (subject to year-end adjustments). (c) The unaudited consolidated balance sheet of the Borrower and its Consolidated Subsidiaries as of June 30, 1997 and the related unaudited consolidated statements of income and cash flow for the six months then ended, fairly present, in -6- conformity with GAAP, the consolidated financial position of the Borrower and its Consolidated Subsidiaries as of such date and their consolidated results of operations and cash flows for such six month period (subject to year-end adjustments). (m) Section 10.5 is amended to read as follows: 10.5 MATERIAL ADVERSE CHANGE. Since December 31, 1996, there has ----------------------- occurred no event, act or condition which has had, or could reasonably be expected to have, a Material Adverse Effect. (n) Section 12.3 subsections (k) and (l) are amended to read as follows: (k) Liens on commingled stored crude oil and product inventory existing to secure obligations of parties with which the Borrower, UDSC or any of their respective Subsidiaries have entered into crude oil processing and crude oil and product storage agreements; (l) extensions, renewals and replacements of Liens referred to in paragraphs (a) through j); provided, that any such extension, renewal or replacement Lien shall be limited to the property or assets covered by the Lien extended, renewed or replaced and that the obligations secured by any such extension, renewal or replacement Lien shall be in an amount not greater than the amount of the obligations secured by the Lien extended, renewed or replaced; and (o) Section 12.3 is further amended by adding the following subsection: (m) Liens other than those described in paragraphs (a) through (l) above; provided that the aggregate outstanding principal amount of Indebtedness secured by such Liens shall at no time exceed 10% of Consolidated Net Worth of the Borrower or UDSC, as applicable. (p) Schedule "F" is amended to read as follows: Ultramar Diamond Shamrock Corporation Career Average Retirement Income Plan Ultramar Diamond Shamrock Corporation Retirement Income Plan Ultramar Diamond Shamrock Corporation Employee's Retirement Plan -7- Ultramar Diamond Shamrock Corporation Employee Stock Ownership Plan I Ultramar Diamond Shamrock Corporation Employee Stock Ownership Plan II Ultramar Diamond Shamrock Corporation 401(k) Retirement Savings Plan Ultramar Diamond Shamrock Corporation U.S. Savings Incentive Plan Ultramar Energy 401(k) Plan Ultramar Diamond Shamrock Corporation U.S. Employee's Retirement Plan MULTIEMPLOYER PLANS New England Teamsters & Trucking Industry Pension Fund Automotive Industries Welfare Fund Western Conference of Teamsters Pension Trust Fund - Northern California Area Western Conference of Teamsters Pension Trust Fund - Southern Area 3. EFFECTIVE DATE The amendments contained herein shall be effective as of the -------------- date of this Amending Agreement, provided that the calculations to be made pursuant to Sections 12.5 and 12.6 as of and with respect to the period ended September 30, 1997 shall be made as if this Amending Agreement had been in effect as of such date. 4. CONTINUING EFFECT. Each of the parties hereto acknowledges and agrees that ----------------- the Credit Agreement, as amended by this Amending Agreement, the Guarantee and Postponement dated as of December 19, 1996 delivered by UDSC to the Agent and Lenders and the Overdraft Lending Agreement dated December 19, 1996 between CIBC and the Borrower, shall be and continue in full force and effect and are hereby confirmed and the rights and obligations of all parties thereunder shall not be affected or prejudiced in any manner except as specifically provided for herein. -8- 5. COUNTERPARTS. This Amending Agreement may be executed in any number of ------------ counterparts, each of which when executed and delivered shall be deemed to be an original, but all of which when taken together constitute one and the same instrument; any party may execute this Amending Agreement by signing any counterpart of it. IN WITNESS WHEREOF, the Parties have caused this Amending Agreement to be duly executed by their respective authorized officers as of the day and year first above written. CANADIAN ULTRAMAR COMPANY By: /s/ Steven A. Blank ------------------------------- Name: Steven A. Blank Title: Treasurer Address: c/o Ultramar Diamond Shamrock Corporation 6000 N. Loop 1604 W. San Antonio, Texas 78249 Facsimile: (210) 592-2010 ULTRAMAR DIAMOND SHAMROCK CORPORATION By: /s/ Steven A. Blank ------------------------------- Name: Steven A. Blank Title: Treasurer Address: 6000 N. Loop 1604 W. San Antonio, Texas 78249 Facsimile: (210) 592-2010 -9- LENDERS SIGNATURES CANADIAN IMPERIAL BANK OF COMMERCE, AS AGENT By: /s/ Tim Thomas ------------------------------- Name: Tim Thomas Title: Director Address: Commerce Court West, 7th Flr., Toronto, Ontario M5L 1A2 Facsimile: (416) 980-2804 By: /s/ Rick Lomas --------------------------------- Name: Rick Lomas Title: Managing Director Address: Commerce Court West, 7th Flr., Toronto, Ontario M5L 1A2 Facsimile: (416) 980-2804 CANADIAN IMPERIAL BANK OF COMMERCE By: ___________________________________ Name: James Chepyha Title: Director, Global Energy Address: 10th Flr., 855-2nd Street S.W., Calgary, Alberta T2P 2P2 Facsimile: (403) 221-5779 By: ___________________________________ Name: David Swain Title: Vice President & Managing Director Address: 10th Flr., 855-2nd Street S.W., Calgary, Alberta T2P 2P2 Facsimile: (403) 221-5779 -9- LENDERS SIGNATURES CANADIAN IMPERIAL BANK OF COMMERCE, AS AGENT By:________________________________________ Name: Tim Thomas Title: Director Address: Commerce Court West, 7th Flr., Toronto, Ontario M5L 1A2 Facsimile: (416) 980-2804 By: _______________________________________ Name: Rick Lomas Title: Managing Director Address: Commerce Court West, 7th Flr., Toronto, Ontario M5L 1A2 Facsimile: (416) 980-2804 CANADIAN IMPERIAL BANK OF COMMERCE By: /s/ James Chepyha ---------------------------------------- Name: James Chepyha Title: Director, Global Energy Address: 10th Flr., 855-2nd Street S.W., Calgary, Alberta T2P 2P2 Facsimile: (403) 221-5779 By: /s/ David Swain ---------------------------------------- Name: David Swain Title: Vice President & Managing Director Address: 10th FIr., 855-2nd Street S.W., Calgary, Alberta T2P 2P2 Facsimile: (403) 221-5779 -10- BANK OF TOKYO - MITSUBISHI (CANADA) By: /s/ Amos Simpson ---------------------------------------- Name: Amos Simpson Title: Vice President & General Manager Address: 600 rue de la Gauchetiere Ouest Suite 2780, Montreal, Quebec H3B 4L8 Facsimile: (514) 875-9392 FUJI BANK CANADA By:________________________________________ Name: John Bailey Title: Senior Vice President Address: BCE Place, Canada Trust Tower P.O. Box 609, Suite 2800, 161 Bay Street, Toronto, Ontario M5J 2S1 Facsimile: (416) 865-9618 THE BANK OF NOVA SCOTIA By:________________________________________ Name: Michael G. Locke Title: Vice President Address: 44 King Street West, Toronto, Ontario M5H lHl Facsimile: (416) 866-2009 By:________________________________________ Name: David M. Torrey Title: Relationship Manager Address: 44 King Street West, Toronto, Ontario M5H 1H1 Facsimile: (416) 866-2009 -10- BANK OF TOKYO - MITSUBISHI (CANADA) By:________________________________________ Name: Amos Simpson Title: Vice President & General Manager Address: 600 rue de la Gauchetiere Ouest Suite 2780, Montreal, Quebec H3B 4L8 Facsimile: (514) 875-9392 FUJI BANK CANADA By: /s/ John Bailey ---------------------------------------- Name: John Bailey Title: Senior Vice President Address: BCE Place, Canada Trust Tower P.O. Box 609, Suite 2800, 161 Bay Street, Toronto, Ontario M5J 2S1 Facsimile: (416) 865-9618 THE BANK OF NOVA SCOTIA By:________________________________________ Name: Michael G. Locke Title: Vice President Address: 44 King Street West, Toronto, Ontario M5H lHl Facsimile: (416) 866-2009 By:________________________________________ Name: David M. Torrey Title: Relationship Manager Address: 44 King Street West, Toronto, Ontario M5H 1H1 Facsimile: (416) 866-2009 -10- BANK OF TOKYO - MITSUBISHI (CANADA) By:________________________________________ Name: Amos Simpson Title: Vice President & General Manager Address: 600 rue de la Gauchetiere Ouest Suite 2780, Montreal, Quebec H3B 4L8 Facsimile: (514) 875-9392 FUJI BANK CANADA By:________________________________________ Name: John Bailey Title: Senior Vice President Address: BCE Place, Canada Trust Tower P.O. Box 609, Suite 2800, 161 Bay Street, Toronto, Ontario M5J 2S1 Facsimile: (416) 865-9618 THE BANK OF NOVA SCOTIA By: /s/ Michael G. Locke ---------------------------------------- Name: Michael G. Locke Title: Vice President Address: 44 King Street West, Toronto, Ontario M5H lHl Facsimile: (416) 866-2009 By: /s/ David M. Torrey ---------------------------------------- Name: David M. Torrey Title: Relationship Manager Address: 44 King Street West, Toronto, Ontario M5H 1H1 Facsimile: (416) 866-2009 -11- ABN AMRO BANK CANADA By: /s/ [SIGNATURE ILLEGIBLE]^^ ---------------------------------------- Name: [ILLEGIBLE]^^ Title: AVP Address: #1500, 600 de Maisonneuve Ouest Montreal, Quebec H3A 3J2 Facsimile: (514) 284-2357 CAISSE CENTRALE DESJARDINS By:________________________________________ Name: Robert Labelle Title: Manager, Financing and Banking Services Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec H5B 1B3 Facsimile: (514) 281-7083 By:________________________________________ Name: Michel Paquette Title: Senior Manager Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec HSB 1B3 Facsimile: (514) 281-7083 CREDIT LYONNAIS CANADA By:________________________________________ Name: Daniel Arpin Title: Vice President Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 -11- ABN AMRO BANK CANADA By:________________________________________ Name: Title: Address: #1500, 600 de Maisonneuve Ouest Montreal, Quebec H3A 3J2 Facsimile: (514) 284-2357 CAISSE CENTRALE DESJARDINS By: /s/ Robert Labelle ---------------------------------------- Name: Robert Labelle Title: Manager, Financing and Banking Services Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec H5B 1B3 Facsimile: (514) 281-7083 By: /s/ Michel Paquette ---------------------------------------- Name: Michel Paquette Title: Senior Manager Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec HSB 1B3 Facsimile: (514) 281-7083 CREDIT LYONNAIS CANADA By:________________________________________ Name: Daniel Arpin Title: Vice President Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 -11- ABN AMRO BANK CANADA By:________________________________________ Name: Title: Address: #1500, 600 de Maisonneuve Ouest Montreal, Quebec H3A 3J2 Facsimile: (514) 284-2357 CAISSE CENTRALE DESJARDINS By:________________________________________ Name: Robert Labelle Title: Manager, Financing and Banking Services Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec H5B 1B3 Facsimile: (514) 281-7083 By:________________________________________ Name: Michel Paquette Title: Senior Manager Address: 1 Complexe Desjardins, Suite 2822 Montreal, Quebec HSB 1B3 Facsimile: (514) 281-7083 CREDIT LYONNAIS CANADA By: /s/ Cynthia Hansen ---------------------------------------- Name: CYNTHIA HANSEN Title: MANAGER Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 -12- By: /s/ Thierry Hauret ---------------------------------------- Name: Thierry Hauret Title: First Vice-President & Manager Eastern Region Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 INDUSTRIAL BANK OF JAPAN (CANADA) By:________________________________________ Name: Mr. Tatsuhisa Nagao Title: Executive Vice President Address: 100 Yonge Street, Suite 1102 Toronto, Ontario M5C 2W1 Facsimile: (416) 367-3452 ROYAL BANK OF CANADA By:________________________________________ Name: Ritta Y. Lee Title: Senior Account Manager Address: Royal Bank Plaza, South Tower 14th Flr., Toronto, Ontario M5J 2J5 Facsimile: (416) 974-7376 -12- By:________________________________________ Name: Thierry Hauret Title: First Vice-President & Manager Eastern Region Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 INDUSTRIAL BANK OF JAPAN (CANADA) By: /s/ Mr. Tatsuhisa Nagao ---------------------------------------- Name: Mr. Tatsuhisa Nagao Title: Executive Vice President Address: 100 Yonge Street, Suite 1102 Toronto, Ontario M5C 2W1 Facsimile: (416) 367-3452 ROYAL BANK OF CANADA By:________________________________________ Name: Ritta Y. Lee Title: Senior Account Manager Address: Royal Bank Plaza, South Tower 14th Flr., Toronto, Ontario M5J 2J5 Facsimile: (416) 974-7376 -12- By:________________________________________ Name: Thierry Hauret Title: First Vice-President & Manager Eastern Region Address: 2000 Mansfield, 16th Floor Montreal, Quebec H3A 3A6 Facsimile: (514) 288-9683 INDUSTRIAL BANK OF JAPAN (CANADA) By:________________________________________ Name: Mr. Tatsuhisa Nagao Title: Executive Vice President Address: 100 Yonge Street, Suite 1102 Toronto, Ontario M5C 2W1 Facsimile: (416) 367-3452 ROYAL BANK OF CANADA By: /s/ Fiona Dubsky ---------------------------------------- Name: Fiona Dubsky Title: Senior Manager Address: Royal Bank Plaza, Corporate Banking, Quebec 1 Place Ville Marie, 8th Floor, West Wing Montreal, Quebec H3C 3AP Facsimile: (514) 874-5315