AMENDMENT NUMBER NINE TO COAL SALES AGREEMENT among SAN JUAN COAL COMPANY, PUBLIC SERVICE COMPANY OF NEW MEXICO and TUCSON ELECTRIC POWER COMPANY December 31, 1995 AMENDMENT NUMBER NINE TO COAL SALES AGREEMENT This Amendment Number Nine to Coal Sales Agreement is executed as of the 31st day of December, 1995, by and among SAN JUAN COAL COMPANY, a Delaware corporation ("SJCC"), and PUBLIC SERVICE COMPANY OF NEW MEXICO, a New Mexico corporation ("PNM") and TUCSON ELECTRIC POWER COMPANY, an Arizona corporation ("TEP") (collectively, the "Utilities"). RECITALS -------- A. SJCC and the utilities are parties to that certain Coal Sales Agreement, dated August 19, 1990, as amended (as so amended, the "Coal Sales Agreement"). B. The Coal Sales Agreement at Paragraph 5.2 as amended contemplates that no later than December 31, 1995, an appropriate amendment thereto will be executed to provide for delivered ash limits with respect to coal from the La Plata leases. C. SJCC and the utilities have agreed to extend the date by which said amendment must be executed and wish to set forth said agreement and certain related matters in this Amendment Number Nine to Coal Sales Agreement. AGREEMENT --------- In consideration of the mutual covenants and agreements contained herein, the parties hereby amend the Coal Sales Agreement as follows: 1. The date "December 31, 1995," appearing in paragraph 5.2 of the Coal Sales Agreement (as amended) is hereby deleted, and the date "December 31, 1999" is inserted in place thereof. 2. This Amendment Number Nine to Coal Sales Agreement may be executed in several counterparts, each of which shall be an original and all of which shall constitute but one and the same instrument. 3. Except as expressly amended hereby, the Coal Sales Agreement and all prior amendments are in all respects hereby confirmed and ratified. IN WITNESS WHEREOF, this Amendment Number Nine to Coal Sales Agreement has been executed as of the day and year first set forth above. SAN JUAN COAL COMPANY, a Delaware Corporation Attest: By: --------------------- Its: Senior Vice President - ------------------------ --------------------- Secretary -2- PUBLIC SERVICE COMPANY OF NEW Mexico, a New Mexico corporation By: ------------------------- Its: -------------------- TUCSON ELECTRIC POWER COMPANY, an Arizona corporation By: ------------------------- Its: -------------------- -3- CONSENT OF GUARANTOR -------------------- BHP Minerals International Inc., a Delaware corporations (formerly BHP-Utah International Inc.). the guarantor of the obligations of SJCC under the Coal Sales Agreement pursuant to guaranty dated August 18, 1990 (the "Guaranty"), hereby consents to the foregoing Amendment Number Nine to Coal Sales Agreement and agrees that all references in the Guaranty to the Coal Sales Agreement shall be deemed to be references to the Coal Sales Agreement as amended by all prior amendments thereto and by Amendment Number Nine to Coal Sales Agreement, dated December 31, 1995. BHP MINERALS INTERNATIONAL INC. Attest: By: - --------------------- --------------------------- Secretary Group General Manager and Senior Vice President, New Mexico operations