Exhibit 10.67 EXECUTION COPY FIRST AMENDMENT dated as of March 31, 1995 (the "Amendment"), to CREDIT AGREEMENT II dated as of April 14, 1987, as amended and restated through April 15, 1993 (the "Credit Agreement"), among DIAMOND SHAMROCK, INC., a Delaware corporation (the "Borrower"), DIAMOND SHAMROCK REFINING AND MARKETING COMPANY, a Delaware corporation ("R&M"), the corporations listed in Schedule I to the Credit Agreement (together with R&M, collectively referred to as the "Guarantors"), the banks party to the Credit Agreement (the "Banks") and CHEMICAL BANK, as agent for the Banks (the "Agent"). A. The Borrower and the Guarantors have requested that the Banks amend certain provisions of the Credit Agreement. The Banks are willing to enter into this Amendment, subject to the terms and conditions set forth herein. B. Capitalized terms used and not otherwise defined herein shall have the meanings assigned to them in the Credit Agreement. Accordingly, in consideration of the mutual agreements contained in this Amendment and other good and valuable consideration, the sufficiency and receipt of which are hereby acknowledged, the parties hereto hereby agree as follows: SECTION 1. Amendments to Article I. (a) The definition of "Fixed Charge Coverage Ratio" in Article I of the Credit Agreement is hereby deleted. (b) Clause (ii) of the definition of "Funded Debt" in Article I of the Credit Agreement is hereby amended to read in its entirety as follows: (ii) all Guarantees of obligations of the type described in clause (i) above (other than (a) Guarantees by any Subsidiary of obligations of the Borrower or any other Subsidiary, and (b) Guarantees by the Borrower of obligations of any Subsidiary); and (c) Article I of the Credit Agreement is hereby amended to include the following definition of "Interest Coverage Ratio": "Interest Coverace Ratio", with respect to any period, shall mean the ratio of: (a) the sum of (i) Consolidated Adjusted Net Income of the Borrower and the Subsidiaries for such period, (ii) interest expense deducted in determining such Consolidated Adjusted Net Income, (iii) depreciation, amortization and taxes deducted in determining such Consolidated Adjusted Net Income, and (iv) other noncash items deducted in determining such Consolidated Adjusted Net Income, to (b) total interest expense of the Borrower and the Subsidiaries, on a consolidated basis, for such period. (d) Article I of the Credit Agreement is hereby amended to include the following definition of "Level IV Pricing Period": "Level IV Pricing Period" shall have the meaning assigned to such term in Section 2.16(a). (e) Article I of the Credit Agreement is hereby amended to include the following definition of "Level V Pricing Period": "Level V Pricing Period" shall have the meaning assigned to such term in Section 2.16(a). (f) The definition of "Maturity Date" in Article I of the Credit Agreement is hereby amended to read in its entirety as follows: "Maturity Date" shall mean March 29, 1996. (g) The definition of "Periodic Fixed Charge Coverage Ratio" in Article I of the Credit Agreement is hereby deleted. (h) Article I of the Credit Agreement is hereby amended to include the following definition of "Periodic Interest Coverage Ratio": "Periodic Interest Coverage Ratio" shall mean, as of any date, the Interest Coverage Ratio for the 12-month period (treated as one period) ending on the last day of the month immediately preceding such date. SECTION 2. Amendments to Section 2.05. (a) Section 2.05(b) and 2.05(c) of the Credit Agreement are amended to read in their entirety as follows: (b) Subject to the provisions of Sections 2.08 and 2.10, Certificate of Deposit Loans shall bear interest at a rate per annum (computed on the basis of the actual number of days elapsed over a year of 360 days) equal to the Adjusted CD Rate for the Interest Period in effect for such Loan plus, for each day such Certificate of Deposit Loan is outstanding, a rate per annum equal to (i) 0.385% per annum if such day falls within a Level I Pricing Period, (ii) 0.525% per annum, if such day falls within a Level II Pricing Period, (iii) 0.500% per annum, if such day falls within a Level III Pricing Period, (iv) 0.475% per annum, if such day falls within a Level IV Pricing Period, or (v) 0.700% per annum, if such day falls within a Level V Pricing Period. Interest on each Certificate of Deposit Loan shall be payable on each applicable Interest Payment Date. The Adjusted CD Rate shall be determined by the Agent and such determination shall be conclusive absent manifest error. The Agent shall promptly advise the Borrower and each Bank of such determination. (c) Subject to the provisions of Sections 2.08 and 2.10, Eurodollar Standby Loans shall bear interest at a rate per annum (computed on the basis of the actual number of days elapsed over a year of 360 days) equal to the LIBO Rate for the Interest Period in effect for such Loan plus, for each day such Eurodollar Standby Loan is outstanding, a rate per annum equal to (i) 0.260% per annum, if such day falls within a Level I Pricing Period, (ii) 0.400% per annum, if such day falls within a Level II Pricing Period, (iii) 0.375% per annum, if such day falls within a Level III Pricing Period, (iv) 0.350% per annum, if such day falls within a Level IV Pricing Period, or (v) 0.575% per annum, if such day falls within a Level V Pricing Period. Interest on each Eurodollar Borrowing shall be payable on each applicable Interest Payment Date. The LIBO Rate shall be determined by the Agent and such determination shall be conclusive absent manifest error. The Agent shall promptly advise the Borrower and each Bank of such determination. (b) Section 2.05(d) of the Credit Agreement is hereby deleted. SECTION 3. Amendments to Section 2.06. (a) Section 2.06(b) of the Credit Agreement is hereby amended by deleting the reference to "April 15, 1993" and replacing it with "March 24, 1995". (b) Sections 2.06(c) and 2.06(d) of the Credit Agreement are hereby amended to read in their entirety as follows: (c) The Borrower agrees to pay to each Bank, through the Agent, on each March 31, June 30, September 30 and December 31 and on the date on which the Commitment of such Bank shall be terminated as provided herein, a facility fee (a "Facility Fee") for each day during the period from and including the Effective Date to and including the date on which the Commitment of such Bank is terminated, at a rate per annum equal to (i) 0.090% per annum, if such day falls within a Level I Pricing Period, (ii) 0.100% per annum, if such day falls within a Level II Pricing Period, (iii) 0.125% per annum, if such day falls within a Level III Pricing Period, (iv) 0.150% per annum, if such day falls within a Level IV Pricing Period, or (v) 0.175% per annum, if such day falls within a Level V Pricing Period, in each case on the average daily amount of the Commitment of such Bank, whether used or unused, during the preceding quarter (or shorter period commencing on the Effective Date or ending with the Maturity Date or any date on which the Commitment of such Bank shall be terminated). All Facility Fees shall be computed on the basis of the actual number of days elapsed in a year of 360 days. The Facility Fee due to each Bank shall commence to accrue on the Effective Date and shall cease to accrue on the earlier of the Maturity Date and the termination of the Commitment of such Bank as provided herein. (d) It is acknowledged that the Facility Fee has been determined based on the understanding that the Banks will not be required to maintain capital against their Commitments under currently applicable laws, regulations and guidelines. In the event that any Bank shall be advised by any governmental or regulatory authority, or shall otherwise determine on the basis of any order, ruling, decree, pronouncement or other formal or informal governmental or regulatory action or communication, that such understanding is incorrect, then such Bank may notify the Borrower, the Agent and the other Banks of such determination and request that the Facility Fee be increased in order to compensate therefor (an "Increase Notice") and, upon notice by the Required Banks to the Agent that such increase is required, then, without the necessity of any approval by the Borrower, effective as of the date of the Increase Notice, the Facility Fee shall be increased by (i) 0.075% per annum for each day falling witlin a Level V Pricing Period or (ii) 0.025% per annum for each day not falling within a Level V Pricing Period, and the Agent shall notify the Borrower and the Banks thereof. SECTION 4. Amendments to Section 2.16(a) Section 2.16(a) of the Credit Agreement is hereby amended to read in its entirety as follows: SECTION 2.16. Pricing Periods. (a) Subject to paragraph (b) below, "Level I Pricing Period" shall mean any period during which Index Debt shall be rated A- or better by S&P and A3 or better by Moody's; "Level II Pricing Period" shall mean any period during which Index Debt shall be rated (i) BBB+ or better by S&P and Baal by Moody's or (ii) BBB+ by S&P and Baal or better by Moody's; "Level III Pricing Period" shall mean any period during which Index Debt shall be rated (i) BBB or better by S&P and Baa2 by Moody's or (ii) BBB by S&P and Baa2 or better by Moody's; "Level IV Pricing Period" shall mean any period during which Index Debt shall be rated (i) BBB- or better by S&P and Baa3 by Moody's or (ii) BBB- by S&P and Baa3 or better by Moody's; and "Level V Pricing Period" shall mean any period that is not a Level I Pricing Period, a Level II Pricing Period, a Level III Pricing Period or a Level IV Pricing Period, including any period during which Index Debt shall be unrated by either S&P or Moody's. "Pricing Period" shall mean a Level I Pricing Period, a Level II Pricing Period, a Level III Pricing Period, a Level IV Pricing Period or a Level V Pricing Period. SECTION 5. Amendment to Section 3.16. Section 3.16 of the Credit Agreement is hereby amended by deleting all references to "December 31, 1992" and replacing each such reference with "December 31, 1994". SECTION 6. Amendment to Section 6.01. Section 6.01 of the Credit Agreement is hereby amended to read in its entirety as follows: SECTION 6.01. Indebtedness. (a) Permit the Total Funded Debt Ratio at any time to exceed 0.63 to 1.00, (b) in the case of any Subsidiary now owned or hereafter acquired, permit any such Subsidiary to create, incur, suffer to exist or assume any Funded Debt except (i) the obligations of any acquired Subsidiary present at the time of acquisition or (ii) Funded Debt if the aggregate amount of such Funded Debt of all Subsidiaries does not exceed 15% of Consolidated Net Tangible Assets at such time, or (c) create, incur, suffer to exist or assume any Indebtedness consisting of Commercial Paper in the aggregate principal amount at any time in excess of the sum of the unused Commitments and unused Other Commitments at such time. SECTION 7. Amendment to Section 6.02. Clause (n) of Section 6.02 of the Credit Agreement is hereby amended by deleting the reference to "80%" and replacing it with "100%". SECTION 8. Amendments to Section 6.05. (a) Section 6.05 of the Credit Agreement is hereby amended by inserting the following as a new clause (e) immediately preceding the existing clause (e): (e) investments in the ordinary course of business in corporations, partnerships, joint ventures or other entities primarily engaged in petroleum-related activities in Mexico, Central America or South America; provided that the aggregate amount of all such investments pursuant to this subsection (e) shall not at any time exceed $30,000,000; and (b) the existing clause (e) of Section 6.05 of the Credit Agreement will be redesignated as clause (f) and such clause (f) is hereby amended as follows: (i) the reference to clause "(d)" is deleted and replaced with a reference to clause "(e)"; and (ii) the reference to "this subsection (e)" is deleted and replaced with a reference to "this subsection (f)". SECTION 9. Amendments to Section 6.06. Section 6.06 of the Credit Agreement is hereby amended by (a) deleting all references to "December 31, 1992" and replacing each such reference with "December 31, 1994" and (b) deleting the reference to "$184,087,000" and replacing such reference with "$200,000,000". SECTION 10. Amendments to Section 6.08. Section 6.08 of the Credit Agreement is hereby amended to read in its entirety as follows: SECTION 6.08. Consolidated Tangible Net Worth. Permit Consolidated Tangible Net Worth less paid in capital and surplus attributable to any Preferred Stock (other than treasury stock) issued and outstanding on the Effective Date plus any treasury stock of the Borrower (such treasury stock consisting solely of up to 1,400,000 shares of common stock) to be less than the sum of (i) $350,000,000 plus (ii) 50% of Consolidated Net Income (to the extent such Net Income is positive) for the period commencing on December 31, 1994 and ending on the last day of the most recently completed fiscal quarter. SECTION 11. Amendment to Section 6.10. Section 6.10 of the Credit Agreement is hereby amended to read in its entirety as follows: SECTION 6.10. Interest Coverage Ratio. Permit the Periodic Interest Coverage Ratio at any time to be less than 3.00 to 1.00. SECTION 12. Amendment to Schedule I. Schedule I to the Credit Agreement is hereby amended and replaced in its entirety by Schedule I attached hereto. SECTION 13. Amendment to Schedule II. Schedule II to the Credit Agreement is hereby amended by deleting the reference to "$1.00 par value" with respect to the Shares Authorized of Diamond Shamrock Refining and Marketing Company and replacing it with 11 0.01 par value." SECTION 14. Commitments and Addresses of Banks. The parties hereby confirm and agree that the current Commitments of the respective Banks and their respective addresses for notices under the Credit Agreement are as set forth in Schedule II attached hereto. SECTION 15. Representations and Warranties. The Borrower and each of the Guarantors represent and warrant to the Agent and to each of the Banks that (provided that the representations of each Guarantor shall be limited to matters relating to the Borrower or such Guarantor): (a) This Amendment, and the Credit Agreement as amended hereby, have been duly authorized, executed and delivered by it and constitute its legal, valid and binding obligations enforceable in accordance with their respective terms (subject, as to the enforcement of remedies, to applicable bankruptcy, reorganization, insolvency, moratorium and similar laws affecting creditors, rights generally and to general principles of equity). (b) The representations and warranties set forth in Article III of the Credit Agreement are true and correct in all material respects before and after giving effect to this Amendment with the same effect as if made on the date hereof, except to the extent such representations and warranties expressly relate to an earlier date, in which case they were true and correct in all material respects on and as of such earlier date. (c) As of the date hereof, the Borrower and each Guarantor is in compliance with all the terms and provisions contained in the Credit Agreement on its part to be observed as performed, and at the time of and immediately after giving effect to this Amendment no Event of Default has occurred and is continuing and no event which with notice or lapse of time or both would constitute an Event of Default has occurred and is continuing. SECTION 16. Conditions to Effectiveness. The amendments to the Credit Agreement set forth in this Amendment shall become effective on March 31, 1995; provided that: (a) the Agent shall have received counterparts of this Amendment which, when taken together, bear the signatures of the Borrower, each of the Guarantors and each Bank; (b) the Agent shall have received a favorable written opinion of the Borrower's counsel, addressed to the Banks, to the effect set forth in Annex I hereto; (c) the Borrower shall have paid all accrued Fees and other amounts owing under the Credit Agreement as of March 31, 1995, as well as all fees payable pursuant to the letter agreement dated March 24, 1995, among Chemical Bank, Chemical Securities Inc. and the Borrower, and no Loans shall be outstanding as of such date; and (d) the conditions to the amendment of the Other Credit Agreement, as set forth in the First Amendment thereto dated as of the date hereof, shall have been satisfied. SECTION 17. Credit Agreement. Except as specifically amended hereby, the Credit Agreement shall continue in full force and effect in accordance with the provisions thereof as in existence on the date hereof. After the date that this Amendment becomes effective as provided in Section 11 above, any reference to the Credit Agreement shall mean the Credit Agreement as amended hereby. SECTION 18. Applicable Law. THIS AMENDMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK. SECTION 19. Counterparts. This Amendment may be executed in two or more counterparts, each of which shall constitute an original, but all of which when taken together shall constitute but one contract. SECTION 20. Expenses. The Borrower agrees to reimburse the Agent for its out-of-pocket expenses in connection with the preparation and execution of this Amendment, including the fees, charges and disbursements of Cravath, Swaine & Moore, counsel for the Agent. IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year first written above. DIAMOND SHAMROCK, INC., DIAMOND SHAMROCK REFINING AND MARKETING COMPANY, DIAMOND SHAMROCK STATIONS, INC., DIAMOND SHAMROCK PIPELINE COMPANY, DIAMOND SHAMROCK REFINING COMPANY, L.P., SIGMOR CORPORATION, XRAL STORAGE AND TERMINALING COMPANY, THE SHAMROCK PIPE LINE CORPORATION, SIGMOR PIPELINE COMPANY, TOC-DS COMPANY, D-S SPLITTER, INC., D-S PIPE LINE CORPORATION, and NORTH AMERICAN INTELECOMJI INC., By: /s/ R.C. BECKER R.C. Becker, in each case, Vice President and Treasurer CHEMICAL BANK, individually and as Agent, By: /s/ RONALD POTTER Ronald Potter Managing Director THE CHASE MANHATTAN BANK, NATIONAL ASSOCIATION, By: /s/ BETTY LOU J. ROBERT Betty Lou J. Robert Vice President THE FIRST NATIONAL BANK OF CHICAGO By: /s/ HELEN A. CARR Helen A. Carr Vice President BANK OF AMERICA NATIONAL TRUST & SAVINGS ASSOCIATION By: /s/ LAURA B. SHEPARD Laura B. Shepard Vice President ROYAL BANK OF CANADA, By: /s/ EVERETT M. HARNER Everett M. Harner Manager NATIONAL WESTMINSTER BANK PLC New York Branch, By: /s/ STEPHEN R. PARKER Stephen R. Parker Vice President NATIONAL WESTMINSTER BANK PLC Nassau Branch, By: /s/ STEPHEN R. PARKER Stephen R. Parker Vice President THE FROST NATIONAL BANK OF SAN ANTONIO, By: /s/ PHIL DUDLEY Phil Dudley Vice President BANK OF SCOTLAND, By: /s/ ELIZABETH WILSON Elizabeth Wilson Vice President and Branch Manager NATIONS BANK OF TEXAS, N.A., By: /s/ JAMES R. ALLRED James R. Allred Vice President TEXAS COMMERCE BANK NATIONAL ASSOCIATION, By: /s/ DAN M. DANELO Dan M. Danelo Senior Vice President BANK ONE, TEXAS, NATIONAL ASSOCIATION, By: /s/ ROBERT S. GLENN Robert S. Glenn Vice President INDUSTRIAL BANK OF JAPAN, LIMITED, By: /s/ ROBERT W. RAMAGE, JR. Robert W. Ramage, Jr. Senior Vice President THE BANK OF TOKYO, LTD., DALLAS AGENCY By: /s/ MICHAEL MEISS Michael Meiss Vice President THE FIRST NATIONAL BANK OF BOSTON, By: /s/ CYNTHIA A. STABLEFORD Cynthia A. Stableford Vice President THE FUJI BANK, LIMITED, NEW YORK BRANCH, By: /s/ SOICHI YOSHIDA Soichi Yoshida Vice President SOCIETE GENERALE, By: /s/ MARK A. COX Mark A. Cox Vice President SCHEDULE I Additional Guarantors 1. Diamond Shamrock Refining and Marketing Company, a Delaware corporation. 2. The Shamrock Pipe Line Corporation, a Delaware corporation. 3. Sigmor Corporation, a Delaware corporation 4. Sigmor Pipeline Company, a Texas corporation 5. Sigmor Beverage, Inc., a Texas corporation 6. North American InTeleCom, Inc., a Texas corporation 7. Diamond Shamrock Stations, Inc., a Delaware corporation 8. XRAL Storage and Terminaling Company, a Texas corporation 9. TOC-DS Company, a Delaware corporation 10. D-S Splitter, Inc., a Delaware corporation ii. Big Diamond, Inc., a Texas corporation 12. Big Diamond Number 1, Inc., a Texas corporation 13. Diamond Shamrock Pipeline Company, a Delaware corporation 14. Diamond Shamrock Refining Company, L.P., a Delaware limited partnership SCHEDULE II Name and Address of Bank Commitment Chemical Bank $11,666,666.00 c/o Texas Commerce Bank 2200 Ross Avenue Dallas, TX 75201 Attn of: W. Paschall Tosch Bank of America, National Trust $10,000,000.00 and Savings Association 3 Allen Center 333 Clay Street Suite 4550 Houston, TX 77002-4103 Attn of: Lee McKinsley The First National Bank of Chicago $10,000,000.00 1100 Louisiana Street Suite 3200 Houston, TX 77002 Attn of: Helen Carr National Westminster Bank PLC $ 8,333,333.00 Texas Commerce Tower 600 Travis Street Suite 6070 Houston, TX 77002 Attn of: James Moyes Royal Bank of Canada $ 8,333,333.00 600 Wilshire Blvd. Suite 800 Los Angeles, CA 90017 Attn of: Everett Hamer NationsBank of Texas, N.A. $ 8,333,333.00 700 Louisiana Street 8th Floor Houston, TX 77002 Attn of: James Alfred Bank One, Texas, National Association $ 8,333,333.00 105 St. Mary's Street Alamo National Building 2nd Floor San Antonio, TX 78205 Attn of: Rob Glenn Industrial Bank of Japan, Limited $ 5,000,000.00 Allen Center 333 Clay Street Suite 4850 Houston, TX 772002 lkttn of: Lynn Williford Fuji Bank, Limited, $ 5,000,000.00 Houston Agency 1 Houston Center 1221 McKinney Street Suite 4100 Houston, TX 77010 Attn of: Jacques Azagury Bank of Tokyo $ 5,000,000.00 2 Houston Center 1309 Fannin Suite 1104 Houston, TX, 77010 Attn of: Micheal Weiss Bank of Scotland $ 5,000,000.00 2 Allen Center 1200 Smith Street Suite 1750 Houston, TX 77002-4912 Attn of: Janni Blanter The Chase Manhattan Bank, $ 5,000,000.00 National Association 1 Houston Center 1221 McKinney Street Suite 3003 Houston, TX 77010 Attn of: Peter Lind The First National Bank of Boston $ 3,333,333.00 100 Federal Street Mail Stop 01-08-02 Boston, MA 02110 Attn of: Cynthia Stableford Societe Generale $ 3,333,333.00 1111 Bagby Street Suite 2020 Houston, TX 77002 Attn of: Mark Cox The Frost National Bank $ 1,666,668.00 of San Antionio 100 West Houston Street San Antonio, TX 78205 Attn of: Phil Dudley Texas Commerce Bank $ 1,666,668.00 National Association 2200 Ross Avenue 3rd Floor Dallas, TX 75201 Attn of: W. Paschall Tosch TOTAL $100,000,000.00 W4036.TW