1. 12/15/2015 040295SS-1 Arizona Corporation Commission Special Open Meeting Gary Harper Manager, System Operations July 23, 2004 Phoenix, Arizona

2. 12/15/2015 040295SS-2 SRP Electric Service Territory 60 17 93 10 17 10 60 89 51 202 60 88 89Agua Gila River Salt New River VerdeRiver Hassayampa River River Gila River Fria River Fountain Hills Tempe Guadalupe Phoenix Tolleson Glendale Scottsdale Paradise Valley Goodyear Avondale Peoria El Mirage Youngtown Surprise Litchfield Park Buckeye Mesa Apache Junction Gilbert Chandler Queen Creek

3. 12/15/2015 040295SS-3 NEVADAUTAH ARIZONA COLORADO NEW MEXICO MEXICO CALIFORNIA Four Corners GeneratingStation HaydenGeneratingStation Craig Generatin g Station Glen Canyon Dam Glen Canyon Dam Palo Verde Nuclear Generating Station Hoover Dam Hoover Dam YUMA Davis Dam Davis Dam MohaveGeneratingStation Parker Dam Parker Dam Kyrene Generating Station Santan Generating Station CoronadoGeneratingStation NavajoGeneratingStation Agua Fria Generating Station Theodore Roosevelt Dam Theodore Roosevelt Dam FLAGSTAFF TUCSON Morman Flat Dam Morman Flat Dam Horse Mesa Dam Horse Mesa Dam Stewart Mountain Dam Stewart Mountain Dam SRP Generating Resources Desert Basin Generating Station Phoenix Metro NorthNorth

4. 12/15/2015 040295SS-4 Arizona EHV Transmission Systems Glen Canyon Parker Davis Greenlee Hayden Craig Palo Verde Cholla Mohave Coronado Springerville Kyrene Four Corners Navajo San Juan To Miguel To Devers Silver King North Gila Saguaro Mead Moenkopi Westwing El Dorado Mc Cullough Marketplace Pinnacle Peak Liberty Shiprock South Vail TO NEVADA TO CALIFORNIA TO UTAH TO NEW MEXICO TO COLORADO TO PHOENIX AREA TO TUCSON AREA TO NEW MEXICO TO UTAH NEW MEXICO ARIZONA MEXICO COLORADO UTAHNEVADA CALIFORNIA NorthNorth Browning Hassayampa Jojoba Rudd Electrical Substations Coal Generation Hydro Generation New Gas Generation

5. 12/15/2015 040295SS-5 SRP Experiencing Normal Transmission and Distribution Outages Weather and Storm Related Weather and Storm Related Underground Cable Underground Cable Debris in Lines Debris in Lines Motor Vehicles Motor Vehicles Equipment Equipment

6. 12/15/2015 040295SS-6 Prospects for the Remainder of Summer 2004 Our customers’ conservation efforts are working. We sincerely appreciate their help. Our customers’ conservation efforts are working. We sincerely appreciate their help. Transmission capability will continue to be tight until new transformer for Westwing Substation is installed. Transmission capability will continue to be tight until new transformer for Westwing Substation is installed. Prospects are reasonable provided everything continues to work properly. Prospects are reasonable provided everything continues to work properly.