Common use of SIGNATURE CLAUSE Clause in Contracts

SIGNATURE CLAUSE. 7.1 The signatories hereto represent that they have been appropriately authorized to enter into this Amendment No. 13 on behalf of the Party for whom they sign. This Amendment No. 13 is hereby executed as of the ___ day of _______, 19__. ARIZONA PUBLIC SERVICE COMPANY By Its SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By Its Senior Vice President PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its Sr Vice President SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Assistant Secretary Its President DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. By Its 1668c STATE OF ARIZONA ) ) SS. County of Maricopa ) On this 22nd day of April, 1991, before me, the, undersigned Notary Public, personally appeared Xxxxxxx X. Xxxxxx who acknowledged himself to be the Exec. Vice President, Nuclear of ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation, and that he as such officer, being authorized so to do, executed the foregoing instrument for the purposes therein contained by signing the name of the company by himself as such Exec. Vice President, Nuclear.

SIGNATURE CLAUSE. 7.1 The signatories hereto represent that they have been appropriately authorized to enter into this Amendment No. 13 12 on behalf of the Party party for whom they sign. This Amendment No. 13 12 is hereby executed as of the _____ day of _______, 19_____, 1988. ARIZONA PUBLIC SERVICE COMPANY By Its SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By /s/ X. X. Xxxxxxxxx Its Senior Vice President VICE PRESIDENT PUBLIC SERVICE COMPANY OF NEW MEXICO By /s/ Xxxxxx X. Xxxxxx Its Vice President, Revenue Management Electric Operations EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY ANGELES By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By /s/ X. X. Waslak Its Sr Senior Vice President SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY ANGELES By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: /s/ [ILLEGIBLE] By /s/ Xxxx X. Xxxxx Its Assistant Secretary Its President DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY ANGELES By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. ANGELES By /s/ Xxxxx X. Xxxxxx Its 1668c STATE OF ARIZONA ) ) SSss. County of Maricopa ) On this 22nd 28th day of April, 1991, 1988 before me, the, the undersigned Notary Public, personally appeared Xxxxxxx Xxxxx X. Xxxxxx Xxx Xxxxx, Xx. who acknowledged himself to be the Exec. Vice President, Nuclear Executive V. P. – ANPP of ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation, and that he as such officer, being authorized so to do, executed the foregoing instrument for the purposes therein contained by signing the name of the company by himself as such Exec. Vice PresidentXxxxx X. Xxx Xxxxx, NuclearXx.

SIGNATURE CLAUSE. 7.1 The signatories Each Participant hereto represent represents and warrants that they have been appropriately authorized to enter into the person executing this Amendment No. 13 5 to the Navajo Project Co-Tenancy Agreement has been duly authorized to act on behalf of the Party for whom they signits behalf. This Amendment No. 13 5 to the Navajo Project Co-Tenancy Agreement is hereby executed as of the ___ 4th day of _______September, 19__1998. UNITED STATES OF AMERICA Signature /s/ LeGrand Neilson --------------------------------- Name LeGrand Neilson Regioxxx Xxxxxxxx ACTING FOR Lower Colorado Region Title U.S. Bureau of Reclamation Date Signed September 4, 1998 ARIZONA PUBLIC SERVICE COMPANY By Its SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By Its Senior Vice President PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its STAMP] Signature /s/ Jack Davis ---------------------------------- Name Jack Davis Title Executive X. X. Commercial Operation Date Signed 3/16/98 [ILLEGIBLE] DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT ANGELES by BOARD OF WATER AND POWER COMMISSIONERS OF THE CITY OF LOS ANGELESANGELES APPROVED AS TO FORM AND LEGALITY By /s/ Authorized Signatory JAMES K. HAHN CITY ATTORNEY ----------------------------------------- S. DAVID FREEMAN, a municipal corporation in the State of California ATTEST: General Manager MAY 13 1998 and /s/ Authorized Signatory By Its Its 1668c SOUTHERN CALIFORNIA EDISON /s/ Kjehl T. Johansen ---------------------------------------- --------------------------------- Secretary KJEHL T JOHANSEN DEPUTY CITY ATTORNEY Date Signed Jun 16 1000 NEVADA POWER COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its Sr Vice President SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Assistant Secretary Its President DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. By Its 1668c STATE OF ARIZONA ) ) SS. County of Maricopa ) On this 22nd day of April, 1991, before me, the, undersigned Notary Public, personally appeared Xxxxxxx X. Xxxxxx who acknowledged himself to be the Exec. Signature /s/ Authorized Signatory ---------------------------------- Name Authorized Signatory Title Vice President, Nuclear Finance and Planning, Treasurer and CFO Date Signed 2/26/98 SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT APPROVED AS TO FORM Signature /s/ Mark B. Bonsall [ILLEGIBLE] --------------------------------- By /s/ Authorized Signatory Name Mark B. Bonsall ------------------------ DATE 2.13.98 Title Associate General Manager Date Signed 02/20/98 TUCSON ELECTRIC POWER COMPANY Signature /s/ Authorized Signatory -------------------------------- Name T. A. Authorized Signatory Title Vice President EXHIBIT B-B, SHEET 1 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP [TRANSMISSION SYSTEM OWNERSHIP CHART] BB-1 EXHIBIT B-B, SHEET 2 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP NAVAJO GENERATING STATION AND NAVAJO 500 KV SWITCHYARD [CIRCUIT DIAGRAM] BB-2 EXHIBIT B-B, SHEET 3 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP MOENKOPI 500 KV SWITCHYARD AND YAVAPAI 500 KV SWITCHYARD [CIRCUIT DIAGRAM] BB-3 EXHIBIT B-B, SHEET 4 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP WESTWING SUBSTATION [CIRCUIT DIAGRAM] BB-4 EXHIBIT B-B, SHEET 5 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP McCULLOUGH SUBSTATION [CIRCUIT DIAGXXX] BB-5 EXHIBIT D ORIGINAL WESTWING 230 KV SWITCHYARD (INCLUDING COMMON FACILITIES) OWNERSHIP PERCENTAGES OWNERSHIP (%) ---------------------------------------- SRP FOR DESCRIPTION OF TERMINATION ARIZONA SRP UNITED STATES(1) --------------------------------- ------- ----- ---------------- 500/230 kV Transformer Bank T1(2) 28.5 44.2 27.3 500/230 kV Transformer Bank T4(2) 28.5 44.2 27.3 Westwing- Pinnacle Peak 0.0 100.0 0.0 Westwing-Agua Fria 0.0 100.0 0.0 Westwing- Pinnacle Peak 0.0 0.0 100.0 Westwing- Liberty 0.0 0.0 100.0 Westwing-Surprise 100.0 0.0 0.0 Westwing-APS (future) 100.0 0.0 0.0 ------- ----- --------- TOTAL 257.0 288.4 254.6 Sum of ARIZONA PUBLIC SERVICE COMPANY, an Ownership Percentages: Arizona corporation, and that he as such officer, being authorized so to do, executed the foregoing instrument + SRP + SRP for United States(1) = 257.0 + 288.4 + 254.6 = 800.0 Ownership percentages for the purposes therein contained by signing terminations in the name original Westwing 230 kV Switchyard (including common facilities) are shown in the above table and are used below to determine the ownership percentages for the original Westwing 230 kV Switchyard (including common facilities) infrastructure facilities such as, but not limited to, the busses, bus protection and metering, steel switchracks and associated concrete works, cable trenches and grounding. Arizona = (257.0/800.0) x 100% = 32.1% SRP = (288.4/800.0) x 100% = 36.1% SRP for United States(1) = (254.6/800.0) x 100% = 31.8% (1) SRP holds title for the use and benefit of the company by himself as such Exec. Vice PresidentUnited States, NuclearDepartment of the Interior (Bureau of Reclamation). (2) Ownership percentages for the two Westwing 500/230 kV transformer banks are set forth in Paragraph 6.2.3 of Section 6, OWNERSHIPS AND TITLES, to the Navajo Project Co-Tenancy Agreement.

SIGNATURE CLAUSE. 7.1 The signatories hereto represent that they have been appropriately authorized to enter into this Amendment No. 13 1 to the ANPP High Voltage Switchyard participation Agreement on behalf of the Party Parties for whom they sign. This Amendment No. 13 1 is hereby executed as of the ___ 20th day of _______November, 19__1986. ARIZONA PUBLIC SERVICE COMPANY By Its ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By Its Senior Vice President PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its By ARIZONA PUBLIC SERVICE COMPANY By ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT By SOUTHERN CALIFORNIA EDISON COMPANY By PUBLIC SERVICE COMPANY OF NEW MEXICO By EL PASO ELECTRIC COMPANY By ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION By By ARIZONA PUBLIC SERVICE COMPANY By ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT By SOUTHERN CALIFORNIA EDISON COMPANY By PUBLIC SERVICE COMPANY OF NEW MEXICO By EL PASO ELECTRIC COMPANY By ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION By By ARIZONA PUBLIC SERVICE COMPANY By ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT By SOUTHERN CALIFORNIA EDISON COMPANY By PUBLIC SERVICE COMPANY OF NEW MEXICO By EL PASO ELECTRIC COMPANY By ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION By By ARIZONA PUBLIC SERVICE COMPANY By ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT By SOUTHERN CALIFORNIA EDISON COMPANY By PUBLIC SERVICE COMPANY OF NEW MEXICO By EL PASO ELECTRIC COMPANY By ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION By By ARIZONA PUBLIC SERVICE COMPANY By ATTEST AND COUNTERSIGN By SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT By SOUTHERN CALIFORNIA EDISON COMPANY By PUBLIC SERVICE COMPANY OF NEW MEXICO By EL PASO ELECTRIC COMPANY By ATTEST SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, DOING BUSINESS IN THE STATE OF ARIZONA AS SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION By By DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: ANGELES By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its Sr Vice President SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Assistant Secretary Its President DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. By Its 1668c STATE OF ARIZONA ) ) SSss. County of Maricopa ) On this 22nd the 25th day of AprilJuly, 19911986, before me, the, the undersigned Notary Public, personally appeared Xxxxxxx X. Xxxxxx Xxxxx, who acknowledged acknowledges himself to be the Exec. Vice President, Nuclear President of ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation, and that he he, as such officer, being authorized so to do, executed the foregoing instrument for the purposes therein contained by signing the name of the company by himself as such Exec. Vice President, Nuclear.

SIGNATURE CLAUSE. 7.1 The signatories hereto represent that they have been appropriately authorized to enter into this Amendment No. 13 11 on behalf of the Party party for whom they sign. This Amendment No. 13 11 is hereby executed as of the _____ day of _______, 19___, 1986. ARIZONA PUBLIC SERVICE COMPANY By Its SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By /s/ [ILLEGIBLE] Its Senior Vice President VICE PRESIDENT / PUBLIC SERVICE COMPANY OF NEW MEXICO By /s/ [ILLEGIBLE] Its POWER SUPPLY EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: ANGELES BY BOARD OF WATER AND POWER COMMISSIONERS OF THE CITY OF LOS ANGELES By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By and Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By /s/ [ILLEGIBLE] Its VICE PRESIDENT SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: ANGELES BY BOARD OF WATER AND POWER COMMISSIONERS OF THE CITY OF LOS ANGELES By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By and Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By /s/ [ILLEGIBLE] Its Sr Vice President PRESIDENT SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Assistant Secretary Its President DEPARTMENT ANGELES BY BOARD OF WATER AND POWER COMMISSIONERS OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: ANGELES By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By and Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. By ANGELES BY /s/ [ILLEGIBLE] Its 1668c STATE OF of ARIZONA ) ) SSss. County of Maricopa ) On this 22nd _8th_ day of April__September__, 1991, 1986 before me, the, the undersigned Notary Public, personally appeared Xxxxxxx ___E. X. Xxxxxx Xxx Xxxxx ____ who acknowledged himself to be the Exec. Executive Vice President, Nuclear President of ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation, and that he as such officer, being authorized so to do, executed the foregoing instrument for the purposes therein contained by signing the name of the company by himself as such Exec. Executive Vice President, NuclearPresident .

SIGNATURE CLAUSE. 7.1 The signatories Each Participant hereto represent represents and warrants that they have been appropriately authorized to enter into the person executing this Amendment No. 13 6 to the Navajo Project Co-Tenancy Agreement has been duly authorized to act on behalf of the Party for whom they signits behalf. This Amendment No. 13 6 to the Navajo Project Co-Tenancy Agreement is hereby executed as of the ___ 26th day of _______july, 19__1999. UNITED STATES OF AMERICA Signature /s/ Robert W. Johnson ---------------------------------- Name Robert W. Johnson Regionxx Xxxxxxxx Lower Colorado Region Title U.S. Bureau of Reclamation Date Signed Jul 26 1999 ARIZONA PUBLIC SERVICE COMPANY By Its SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT ATTEST AND COUNTERSIGN: By Its SECRETARY Its PRESIDENT APPROVED AS TO Signature /s/ Jack Davis ---------------------------------- [ILLEGIBLE]SALT RIVER PROJECT LAW DEPARTMENT BY DATE 10/23/90 SOUTHERN CALIFORNIA EDISON COMPANY By Its Senior Vice President PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITYSTAMP] Name Jack Davis Title Executive Vixx Xxxxxxxnt Date Signed September 30, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its 1998 DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its Vice President EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT ANGELES by APPROVED AS TO FORM AND LEGALITY BOARD OF WATER AND POWER COMMISSIONERS JAMES K. HAHN CITY ATTORNEY OF THE CITY OF LOS ANGELESANGELES XXX 00 0000 By /s/ Kjehl T. Johansen By /s/ S. David Freeman ----------------------------- ----------------------------------------- KJEHL T JOHANSEN S. DAVID FREEMAN, a municipal corporation General Manager Deputx Xxxx Xttorney and /s/ Authorized Signatory ---------------------------------------- Secretary Date Signed Authorized Signatory NEVADA POWER COMPANY Signature /s/ Steven W. Rigazio ---------------------------------- Name Steven W. Rigazio Title Vice Pxxxxxxxx, Xxxxxxx and Planning, Treasurer and CFO Date Signed October 15, 1998 SALT RIVER PROJECT AGRICULTURAL IMPROVEMENT AND POWER DISTRICT Signature /s/ Richard H. Silverman ---------------------------------- APPROVED AS TO FORM Name Richard H. Silverman SALT RIVER PROJECT LEGAL SERVICES By /s/ Autxxxxxxx Xxxxxxxxx Title General Manager ------------------------------ DATE 10-29-98 Date Signed December 18,1998 TUCSON ELECTRIC POWER COMPANY Signature /s/ T.A. Delawdev ---------------------------------- Name T.A. Delawdev Title Vice President EXHIBIT B-B, SHEET 1 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP [TRANSMISSION SYSTEM OWNERSHIP CHART] *SRP holds title for the use and benefit of the United States, Department of the Interior (Bureau of Reclamation). Revised: 7/31/98 AutoCad EXHIBIT B-B, SHEET 2 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP NAVAJO GENERATING STATION AND NAVAJO 500 kV SWITCHYARD [CIRCUIT DIAGRAM] *SRP holds title for the use and benefit of the United States, Department of the Interior (Bureau of Reclamation). Revised: 7/31/98 AutoCad EXHIBIT B-B, SHEET 4 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP WESTWING SUBSTATION [CIRCUIT DIAGRAM] *SRP holds title for the use and benefit of the United States, Department of the Interior (Bureau of Reclamation). **Ownership percentage calculation shown in Exhibit D. Revised: 7/31/98 AutoCad EXHIBIT B-B, SHEET 5 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP McCULLOUGH SUBSTATION [CIRCUIT DIAGXXX] *XXX holds title for the use and benefit of the United States, Department of the Interior (Bureau of Reclamation). **Ownership percentage calculation shown in Exhibit E. ***Ownership percentage calculation shown in Exhibit F. Note: The McCullough 230 kV switchyard and xxxxxxormer banks H.I and J are shown for information purposes only. Revised: 7/31/98 AutoCad BB-5 EXHIBIT B-B, SHEET 6 NAVAJO PROJECT CO-TENANCY AGREEMENT TRANSMISSION SYSTEM OWNERSHIP CRYSTAL SUBSTATION [CIRCUIT DIAGRAM] Legend: Termination ___ ___ Crystal 500 kV Switchyard Note: The Crystal 230 kV switchyard, the 500/230 kV transformers banks, and the 230 kV phase-shifting transformers are shown for information purposes only. Revised: 7/31/98 AutoCad EXHIBIT E McCULLOUGH 500 KV SWITCHYARD OWNERSHIP PERCENTAGES OWNERSHIP (%) ------------------------------ SRP FOR LOS UNITED DESCRIPTION OF TERMINATION ANGELES NEVADA STATES* ----------------------------- ------- ------- ------- Banks H and I 500 kV 0.00 50.00 50.00 Crystal-McCullough 48.90 26.10 00.00 Xxxx X 000 kV 71.67 28.33 0.00 McCullough-Victorville Line 1 100.00 0.00 0.00 XxCullough-Eldorado 100.00 0.00 0.00 XxCullough-Victorville Line 2 100.00 0.00 0.00 ------- ------- ------ TOTAL 420.57 104.43 75.00 Sum of Ownership Percentages: Los Angeles + Nevada + SRP for United States* = 420.57 + 104.43 + 75.00 = 600.00 Ownership percentages for the terminations in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its Sr Vice President SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business McCullough 500 kV Switchyard are shown in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in above table and are uxxx xxxxx to determine the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Assistant Secretary Its President DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES, a municipal corporation in the State of California ATTEST: By Its Its 1668c SOUTHERN CALIFORNIA EDISON COMPANY By Its PUBLIC SERVICE COMPANY OF NEW MEXICO By Its EL PASO ELECTRIC COMPANY By Its SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY, doing business in the State of Arizona as SOUTHERN CALIFORNIA PUBLIC POWER AUTHORITY ASSOCIATION ATTEST: By Its Its DEPARTMENT OF WATER AND POWER OF THE CITY OF LOS ANGELES. By Its 1668c STATE OF ARIZONA ) ) SS. County of Maricopa ) On this 22nd day of April, 1991, before me, the, undersigned Notary Public, personally appeared Xxxxxxx X. Xxxxxx who acknowledged himself to be the Exec. Vice President, Nuclear of ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation, and that he as such officer, being authorized so to do, executed the foregoing instrument ownership percentages for the purposes therein contained by signing McCullough 500 kV Switchyard infrastructure facilities such as, but xxx xxxxxed to, the name busses, bus protection and metering, steel switchracks and associated concrete works, cable trenches and grounding. Los Angeles = (420.57/600.00) x 100% = 70.1% Nevada = (104.43/600.00) x 100% = 17.4% SRP for United States* = ( 75.00/600.00) x 100% = 12.5% * SRP holds title for the use and benefit of the company by himself as such Exec. Vice PresidentUnited States, NuclearDepartment of the Interior (Bureau of Reclamation).