Spreadsheet: thomas_martin__39778__TXRRC_STG
Sheet: Comparison to Prior Periods

 | RESERVOIR STORAGE FACILITIES
 | OPERATING COMPANY | FIELD | COUNTY | WORKING TOP GAS |  |  |  | OVER (UNDER) |  |  |  | OVER (UNDER) |  |  |  | OVER (UNDER) 2000 | REMAINING CAPACITY |  | MAX FILL IN 1999 | DATE 1999 MAX FILL REACHED | HIGHEST FILL VOL EVER
 | American Gas Storage, [NAME] | Felmac | Gaines | 5500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2270 | 1999-01-15 00:00:00 | 2999
 | American Gas Storage, [NAME] | Loop Field | Gaines | 8000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5325 | 1999-07-15 00:00:00 | 6633
 | City of Brady | Janellen | [NAME] | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29 | n/a | 29
 | El Paso Field Services | Rotherwood | [NAME] | 1000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1358 | 1999-02-15 00:00:00 | 1398
 | Houston Pipe Line Co. | [NAME] | [NAME] | 45000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51902 | 1999-10-31 00:00:00 | 52214
 | Delhi Gas Pipeline Corp. | [NAME] | Hopkins | 766 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 481 | 1999-01-15 00:00:00 | 3723
 | Lone Star Pipeline Co. | Ambassador | Clay | 80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80 | n/a | 80
 | Lone Star Pipeline Co. | Hill | Eastland | 8615 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7298 | 1999-10-15 00:00:00 | 7298
 | Lone Star Pipeline Co. | La Pan | Clay | 3425 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3560 | 1999-11-30 00:00:00 | 3897
 | Lone Star Pipeline Co. | Lake Dallas | [NAME] | 2825 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4204 | 1999-11-30 00:00:00 | 4280
 | Lone Star Pipeline Co. | New York City | Clay | 5290 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6137 | 1999-11-30 00:00:00 | 6799
 | Lone Star Pipeline Co. | Pecan Station | [NAME] | 1310 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 629 | 1999-02-28 00:00:00 | 628
 | Lone Star Pipeline Co. | Tri-Cities (Bacon) | Henderson | 18453 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16698 | 1999-11-30 00:00:00 | 17312
 | Lone Star Pipeline Co. | Tri-Cities ([NAME]) | Henderson | 6900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2100 | 1999-12-31 00:00:00 | 2539
 | Lower Colorado River Authority | Hillbig | Bastrop | 3000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5093 | 1999-11-30 00:00:00 | 3995
 | Natural Gas Pipeline | North Lansing | [NAME] | 69000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 71851 | 1999-10-31 00:00:00 | 79186
 | Southwestern Gas Pipeline Inc. | Lone Camp | Palo Pinto | 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 653 | 1999-05-31 00:00:00 | 573
 | Tejas Gas Pipeline Co. | West Clear Lake | [NAME] | 87000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 78179 | 1999-07-31 00:00:00 | 78179
 | Texas Utilities Fuel Co. | [NAME] | [NAME] | 5500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7033 | 1999-12-31 00:00:00 | 7033
 | Texas Utilities Fuel Co. | Worsham-Steed | [NAME] | 46 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | n/a | 6915
 | Lone Star Gas Company | [NAME] | [NAME] | 4775 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1251 | 1999-01-15 00:00:00 | 1527
 | Tristar Gas Co. | Pottsville | [NAME] | 513 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400 | 1999-01-15 00:00:00 | 3075
 | Western Gas Resources Storage | [NAME] | Ft. Bend | 18500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20613 | 1999-11-30 00:00:00 | 20960
 | Comparable Volume For Same Period Previous Year
 | SALT DOME STORAGE FACILITIES
 | OPERATING COMPANY | FIELD | COUNTY | WORKING TOP GAS
 | American Gas Storage, [NAME] | Salado I, II, and III | Gaines | 3000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2528 | 1999-11-15 00:00:00 | 2528
 | Centana Intrastate Pipeline Co. | Spindletop | [NAME] | 5200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8156 | 1999-12-15 00:00:00 | 8156
 | Dow Salt Dome Operations | [NAME] (2 caverns) | Brazoria | 2580 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4326 | 1999-11-15 00:00:00 | 5049
 | HNG Storage Company | [NAME] | Liberty | 3659 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4350 | 1999-11-30 00:00:00 | 4350
 | Lone Star Pipeline Co. | Bethel | [NAME] | 7100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6964 | 1999-09-15 00:00:00 | 6964
 | Market Hub Partners, [NAME] | Moss Bluff | Liberty | 10000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10753 | 1999-11-15 00:00:00 | 10753
 | [NAME] | Boling | [NAME] | 8299 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5564 | 1999-11-15 00:00:00 | 6313
 | Phillips Petroleum | Clemens | Brazoria | 1800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2049 | 1999-10-31 00:00:00 | 2049
 | Entergy Gulf States | Spindletop | [NAME] | 8500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7037 | 1999-10-15 00:00:00 | 7037
 | Tejas | [NAME] | Brazoria | 1700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1596 | 1999-06-30 00:00:00 | 1596
 | Midtex Gas Storage Company LLP | [NAME] (2 caverns) | Matagorda | 6000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4462 | 1999-11-15 00:00:00 | 4462
 | Texas Utilities Fuel Co. | Bethel (3 caverns) | [NAME] | 8810 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9549 | 1999-11-30 00:00:00 | 9549
 | [NAME]
 | Comparable Volume For Same Period Previous Year