| Reinecke Unit #22342-033-31395 | Atlas Operating LLC | Borden, TXReinecke | ActiveOil | 7,250 | May 26, 2010 | — | — |
| Reinecke Unit #21342-033-31397 | Atlas Operating LLC | Borden, TXReinecke | Shut inOil | 7,250 | May 26, 2010 | — | — |
| Reinecke Unit #21442-033-31399 | Atlas Operating LLC | Borden, TXReinecke | Shut inOil | 7,250 | May 26, 2010 | — | — |
| Middlebrook a #4R42-157-32604 | Atlas Operating LLC | Fort Bend, TXNeedville | Shut inOil | 6,825 | May 25, 2010 | — | — |
| Katz (Strawn) Unit #26242-433-33573 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,336 | May 12, 2010 | — | — |
| Busy B Gas Unit #142-289-31868 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,431 | May 10, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #126R42-135-40337 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,515 | May 4, 2010 | — | — |
| Katz (Strawn) Unit #30642-433-33569 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,328 | May 4, 2010 | — | — |
| Bedsole Gas Unit #342-289-31865 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,500 | Apr 27, 2010 | — | — |
| McIntyre Gas Unit #142-419-31582 | Atlas Operating LLC | Shelby, TXTimpson (Travis Peak) | ActiveGas | 7,350 | Apr 19, 2010 | — | — |
| Shook Efs #21HHZ42-127-33676 | Atlas Operating LLC | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,199 | Mar 30, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #166RE42-135-06376 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,430 | Mar 30, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #139R42-135-06159 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Mar 18, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #142RE42-135-06168 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,416 | Mar 18, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #192RE42-135-06390 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,410 | Mar 18, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #128W42-135-06394 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,409 | Mar 18, 2010 | — | — |
| Katz (Strawn) Unit #21142-269-32789 | Atlas Operating LLC | King, TXKatz (Strawn) | Shut inOil | 5,316 | Mar 18, 2010 | — | — |
| Lopez #742-047-32130 | Atlas Operating LLC | Brooks, TXEncinitas (V-7) | ActiveInjection | 12,820 | Mar 17, 2010 | — | — |
| Katz (Strawn) Unit #22142-269-32788 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveOil | 5,333 | Mar 15, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #175W42-135-06187 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Mar 12, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #201W42-135-06391 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,432 | Mar 12, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #223W42-135-08922 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,386 | Mar 12, 2010 | — | — |
| Katz (Strawn) Unit #23142-433-33534 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,315 | Mar 12, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #155WI42-135-06275 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,408 | Mar 5, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #23442-135-06543 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Mar 5, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #152WI42-135-08884 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,422 | Mar 5, 2010 | — | — |
| Swaim-Wheeler-Double K Unit #142-311-34208 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | Shut inOil | 6,250 | Mar 3, 2010 | — | — |
| Katz (Strawn) Unit #15242-433-00779 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,255 | Mar 3, 2010 | — | — |
| Texas-Osage #2HZ42-507-32748 | Atlas Operating LLC | Zavala, TXLorenzo (Austin Chalk) | ActiveOil | 6,100 | Mar 3, 2010 | — | — |
| Katz (Strawn) Unit #22042-269-32783 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveInjection | 5,308 | Feb 25, 2010 | — | — |
| Rehak #342-321-32301 | Atlas Operating LLC | Matagorda, TXSilverspoon (Tex SA1 Sand) | ActiveGas | 15,450 | Feb 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #224W42-135-06190 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,380 | Feb 23, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #153W42-135-06300 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Feb 23, 2010 | — | — |
| Walker Gas Unit 1 #4C42-289-31797 | Atlas Operating LLC | Leon, TXBear Grass (Rodessa) | ActiveGas | 10,867 | Feb 19, 2010 | — | — |
| Swaim 58 #442-311-34198 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 6,250 | Feb 12, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #179WI42-135-06274 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,410 | Feb 9, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #154W42-135-06160 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,415 | Feb 8, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #176W42-135-06299 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,494 | Feb 8, 2010 | — | — |
| Miller Bob #342-215-33961 | Atlas Operating LLC | Hidalgo, TXMonte Christo (Frio Cons.) | ActiveGas | 9,705 | Feb 1, 2010 | — | — |
| Katz (Strawn) Unit #27042-433-33524 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,300 | Feb 1, 2010 | — | — |
| Katz (Strawn) Unit #29042-433-33526 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,315 | Feb 1, 2010 | — | — |
| Katz (Strawn) Unit #32642-433-33527 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,503 | Feb 1, 2010 | — | — |
| Katz (Strawn) Unit #32242-433-33525 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,496 | Jan 29, 2010 | — | — |
| Katz (Strawn) Unit #24042-433-33523 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,309 | Jan 28, 2010 | — | — |
| Hickey #1142-325-33666 | Atlas Operating LLC | Medina, TXTaylor-Ina | Shut inOil | 1,100 | Jan 27, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #225W42-135-06283 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,450 | Jan 12, 2010 | — | — |
| Mims Gas Unit #142-005-30274 | Atlas Operating LLC | Angelina, TXRaintree (Travis Peak Cons.) | ActiveGas | 12,989 | Jan 6, 2010 | — | — |
| Katz (Strawn) Unit #15342-433-00783 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,299 | Jan 6, 2010 | — | — |
| Katz (Strawn) Unit #16342-433-32301 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | PluggedOil | 6,000 | Jan 6, 2010 | — | — |
| Crossman P.G. et al #442-005-30260 | Atlas Operating LLC | Angelina, TXRaintree (Travis Peak Cons.) | ActiveGas | 15,750 | Jan 5, 2010 | — | — |