H WESTGAS INTERSTATE INC. 121 03/23/2009 O 04/01/2009 B Jennifer L. Bass 303-294-2500 D Cheyenne Light, Fuel & Power Co. 6915144 Y Rate Sched#5 116343 10/01/1996 09/30/2009 365 N 1143 0 1 A "Xcel Energy, Inc. " Y P M2 Chalk Bluffs 29 1143 0 YK3 P MQ Paraffin Meadows 29 1143 0 YK3 D Cheyenne Light, Fuel & Power Co. 6915144 Y Rate Sched#5 116343 10/01/1996 09/30/2009 365 N 3429 0 2 A "Xcel Energy, Inc. " Y P M2 Chalk Bluffs 29 3429 0 YK3 P MQ Paraffin Meadows 29 3429 0 YK3 D Cheyenne Light, Fuel & Power Co. 6915144 Y Rate Sched#5 116343 10/01/1996 09/30/2009 365 N 6800 0 A "Xcel Energy, Inc. " Y P M2 Chalk Bluffs 29 6800 0 YK3 P MQ Paraffin Meadows 29 6800 0 YK3 D Frontier Oil & Refining Co. 151054533 N Rate Sched#5 116971 10/01/2000 09/30/2009 365 Y 3071 0 A "Xcel Energy, Inc. " N P M2 Chalk Bluffs 29 3071 0 YK3 P MQ Paraffin Meadows 29 3071 0 YK3 F 1 Quantity applicable to summer season April through September. F 2 Quantity applicable to winter season October through March. F 3 "WestGas InterState EDI Waiver per Docket NO. RP98-190-000, Dated June 2, 1998, 83 FERC paragraph 61,259."