Revised Index of Customers of Transcontinental Gas Pipe Line Company, LLC for October 2009 through July 2012. Includes cover letter.

H "TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC" 029 08/16/2012 R 04/01/ 2011 T T Ben Williams 713-215-2663 D "AGY HOLDING, CORP." 052519563 N FT 9046116 11/01/2006 12/30/ 2008 1095 N 341 0 A SCANA ENERGY MARKETING INC N P S8 CAROLINA GAS 95 9003140 ZONE 5 341 0 P S9 POOLING-STATION 30 95 1000007 ZONE 1 58 0 P S9 POOLING-STATION 45 95 1000026 ZONE 2 85 0 P S9 POOLING-STATION 50 95 1000040 ZONE 3 65 0 P S9 POOLING-STATION 62 95 1000762 ZONE 3 133 0 D ALABAMA GAS CORPORATION 006900104 N ESS 9014752 04/01/2004 09/30/ 2024 Y 0 6962 L15 P WR EMINENCE EESS & ES 29 12147 ZONE 4 0 693 D ALABAMA GAS CORPORATION 006900104 N ESS 9050383 03/01/2007 09/30/ 2024 Y 0 209230 P WR EMINENCE EESS & ES 29 12147 ZONE 4 0 21010 D ALABAMA GAS CORPORATION 006900104 N FT 1001983 08/01/1991 10/30/ 2015 N 73500 0 YI21 P S8 ALAGASCO DEL POINTS 95 1007122 ZONE 4 73500 0 P S9 WALTHALL M3095 95 9003701 ZONE 4 73500 0 D ALABAMA GAS CORPORATION 006900104 N FT 1005737 02/01/1992 10/30/ 2013 N 3902 0 O6 P S8 ALAGASCO-CLT 95 9003620 ZONE 4 3902 0 P S9 POOLING-STATION 30 95 1000007 ZONE 1 663 0 P S9 POOLING-STATION 45 95 1000026 ZONE 2 975 0 P S9 POOLING-STATION 50 95 1000040 ZONE 3 742 0 P S9 POOLING-STATION 62 95 1000762 ZONE 3 1522 0 D ALABAMA GAS CORPORATION 006900104 N FTG 1006621 11/01/1993 10/30/ 2013 N 5930 0 O3 P S8 ALAGASCO-CLT 95 9003620 ZONE 4 5930 0 P S9 POOLING-STATION 30 95 1000007 ZONE 1 1008 0 P S9 POOLING-STATION 45 95 1000026 ZONE 2 1483 0 P S9 POOLING-STATION 50 95 1000040 ZONE 3 1126 0 P S9 POOLING-STATION 62 95 1000762 ZONE 3 2313 0 D ATLANTA GAS LIGHT COMPANY 006924708 N ESS 1018467 11/01/1993 09/30/2029 Y 0 315490 A AGL SERVICE COMPANY N A SEQUENT ENERGY MANAGEMENT LP N P WR EMINENCE EESS & ES 29 12147 ZONE 4 0 31357 D ATLANTA GAS LIGHT COMPANY 006924708 N ESS 9050385 03/01/2007 09/30/2029 Y 0 327445 A AGL SERVICE COMPANY N A SEQUENT ENERGY MANAGEMENT LP N P WR EMINENCE EESS & ES 29 12147 ZONE 4 0 32879 D ATLANTA GAS LIGHT COMPANY 006924708 N FT 1002271 08/01/1991 03/16/2008 1095 N 6440 0 A AGL SERVICE COMPANY N A SEQUENT ENERGY MANAGEMENT LP N P S8 ATLANTA GAS LIGHT 95 1003410 ZONE 4 6440 0 P S9 POOLING-STATION 30 95 1000007 ZONE 1 1095 0 P S9 POOLING-STATION 45 95 1000026 ZONE 2 1610 0 P S9 POOLING-STATION 50 95 1000040 ZONE 3 1223 0 P S9 POOLING-STATION 62 95 1000762 ZONE 3 2512 0 D ATLANTA GAS LIGHT COMPANY 006924708 N FT 1003699 02/01/1992 03/30/2010 1095 N 111366 0 O14 A AGL SERVICE COMPANY N A SEQUENT ENERGY MANAGEMENT LP N P S8 POOLING-STATION 65 95 1000065 ZONE 3 1816 0 P S8 ATLANTA GAS LIGHT 95 1003410 ZONE 4 111366 0 P S9 POOLING-STATION 30 95 1000007 ZONE 1 18932 0 P S9 POOLING-STATION 45 95 1000026 ZONE 2 27841 0 P S9 POOLING-STATION 50 95 1000040 ZONE 3 21160 0 P S9 POOLING-STATION 62 95 1000762 ZONE 3 43433 0 P S9 WASHINGTON STG TRANS 95 1100001 ZONE 3 1816 0 D ATLANTA GAS LIGHT COMPANY 006924708 N FT 1004173 11/01/1998 10/31/2005 279 N 15525 0 O4 A AGL SERVICE COMPANY N A SEQUENT ENERGY MANAGEMENT LP N P S8 ATLANTA GAS LIGHT 95 1003410 ZONE 4 15525 0 P S9 HEIDELBERG M3109