| 734390Amendment | Mar 13, 2012 | Mar 13, 2012 | Jetta Operating Company, Inc. | Lawrence Trust Unit #3HH | 9,317 | 18131494 |
| 732032 | Jan 27, 2012 | Jan 27, 2012 | Longfellow Energy, LP | Skaggs #4 | 13,000 | 18131493 |
| 728711 | Nov 23, 2011 | Nov 23, 2011 | Longfellow Energy, LP | Melton #1 | 13,000 | 18131492 |
| 728711Amendment | Nov 23, 2011 | Nov 23, 2011 | Longfellow Energy, LP | Melton #1 | 13,000 | 18131492 |
| 727481 | Nov 8, 2011 | Nov 8, 2011 | Longfellow Energy, LP | Skaggs #3 | 13,000 | 18131491 |
| 727568 | Nov 7, 2011 | Nov 7, 2011 | Challenger Texas Energy OP LLC | Burris-Little Unit #1 | 12,300 | 18130586 |
| 727568Amendment | Nov 7, 2011 | Nov 7, 2011 | Challenger Texas Energy OP LLC | Beene #1 | 13,000 | 18130586 |
| 726085 | Oct 20, 2011 | Oct 20, 2011 | Jetta Operating Company, Inc. | Lawrence Trust #2HH | 9,500 | 18131489 |
| 726085Amendment | Oct 20, 2011 | Oct 20, 2011 | Jetta Operating Company, Inc. | Lawrence Trust #2HH | 9,500 | 18131489 |
| 726085Amendment | Oct 20, 2011 | Oct 20, 2011 | Jetta Operating Company, Inc. | McGraw #1 | 9,500 | 18131489 |
| 726080 | Oct 20, 2011 | Oct 20, 2011 | Jetta Operating Company, Inc. | Bennett "A" #2HH | 10,500 | 18131490 |
| 726080Amendment | Oct 20, 2011 | Oct 20, 2011 | Jetta Operating Company, Inc. | Bennett 'A' #2HH | 10,500 | 18131490 |
| 725801 | Oct 14, 2011 | Oct 14, 2011 | Jetta Operating Company, Inc. | Boomerang #1HH | 6,500 | 18131488 |
| 725801Amendment | Oct 14, 2011 | Oct 14, 2011 | Jetta Operating Company, Inc. | Boomerang #1HH | 10,000 | 18131488 |
| 724891 | Oct 12, 2011 | Oct 12, 2011 | Brammer Petroleum, Inc. | Jamison A. C. Estate #68 | 6,400 | 18181006 |
| 724769 | Sep 23, 2011 | Sep 23, 2011 | Okt Resources, LLC | Wilson #1 | 10,400 | 18131487 |
| 723363 | Sep 6, 2011 | Sep 6, 2011 | Three P Operating Co.,gp, L.L.C. | Clark #1 | 4,999 | 18131312 |
| 723255 | Sep 3, 2011 | Sep 3, 2011 | Hep Oil GP, LLC | Marshall, John #5 | 7,000 | 18131486 |
| 723286 | Sep 1, 2011 | Sep 1, 2011 | Slawson Exploration Company, Inc | Tunnell #1HH | 15,000 | 18131485 |
| 723286Amendment | Sep 1, 2011 | Sep 1, 2011 | Slawson Exploration Company, Inc | Tunnell #1HH | 15,000 | 18131485 |
| 722410 | Aug 23, 2011 | Aug 23, 2011 | Longfellow Energy, LP | Fielden #1 | 13,000 | 18131484 |
| 722410Amendment | Aug 23, 2011 | Aug 23, 2011 | Longfellow Energy, LP | Fielden #1 | 13,000 | 18131484 |
| 721739 | Aug 9, 2011 | Aug 9, 2011 | Atoka Operating, Inc. | Brown #1 | 8,000 | 18131483 |
| 721714 | Aug 9, 2011 | Aug 9, 2011 | Atoka Operating, Inc. | Short #1 | 8,000 | 18131482 |
| 721454 | Aug 8, 2011 | Aug 8, 2011 | Longfellow Energy, LP | Skaggs #2 | 13,000 | 18131481 |
| 721454Amendment | Aug 8, 2011 | Aug 8, 2011 | Longfellow Energy, LP | Skaggs #2 | 11,333 | 18131481 |
| 721169 | Jul 29, 2011 | Jul 29, 2011 | Longfellow Energy, LP | Holton #2 | 13,000 | 18131480 |
| 721138 | Jul 29, 2011 | Jul 29, 2011 | Jetta Operating Company, Inc. | Bennett a Unit #1HH | 9,600 | 18131479 |
| 721138Amendment | Jul 29, 2011 | Jul 29, 2011 | Jetta Operating Company, Inc. | Bennett a Unit #1HH | 9,600 | 18131479 |
| 720448 | Jul 21, 2011 | Jul 21, 2011 | Atoka Operating, Inc. | Hazlip #1 | 11,000 | 18131478 |
| 719547 | Jul 12, 2011 | Jul 12, 2011 | Longfellow Energy, LP | J. P. Cave #1 | 13,000 | 18131477 |
| 719174 | Jun 27, 2011 | Jun 27, 2011 | Jubilee Oil Corporation | Easley Jubilee #1 | 1,000 | 18131476 |
| 718311 | Jun 15, 2011 | Jun 15, 2011 | Longfellow Energy, LP | Pennell #1 | 13,000 | 18131475 |
| 718303 | Jun 15, 2011 | Jun 15, 2011 | Atoka Operating, Inc. | Luella #1 | 12,500 | 18131474 |
| 717865 | Jun 9, 2011 | Jun 9, 2011 | Payson Operating, LLC | Auldean Brown #1 | 10,500 | 18131473 |
| 717435 | Jun 2, 2011 | Jun 2, 2011 | Atoka Operating, Inc. | Bailey #1 | 6,000 | 18131472 |
| 716166 | May 13, 2011 | May 13, 2011 | Jetta Operating Company, Inc. | Smith Unit #1HH | 9,500 | 18131471 |
| 716166Amendment | May 13, 2011 | May 13, 2011 | Jetta Operating Company, Inc. | Smith Unit #1HH | 9,500 | 18131471 |
| 716166Amendment | May 13, 2011 | May 13, 2011 | Jetta Operating Company, Inc. | Smith Unit #1HH | 9,500 | 18131471 |
| 713149 | Apr 12, 2011 | Apr 12, 2011 | BLS Production Co., Inc. | Christopher Hunt Unit #1 | 4,040 | 18130702 |
| 712863 | Apr 5, 2011 | Apr 5, 2011 | BLS Production Co., Inc. | Maggie Hunt #2 | 3,937 | 18130597 |
| 711840 | Mar 25, 2011 | Mar 25, 2011 | Longfellow Energy, LP | Frampton #1 | 11,000 | 18131469 |
| 711840Amendment | Mar 25, 2011 | Mar 25, 2011 | Longfellow Energy, LP | Frampton #1 | 11,000 | 18131469 |
| 711841 | Mar 23, 2011 | Mar 23, 2011 | Longfellow Energy, LP | Holton #1 | 12,000 | 18131470 |
| 709447 | Feb 10, 2011 | Feb 10, 2011 | Slawson Exploration Company, Inc | Privette-Fain #2HH | 6,800 | 18131468 |
| 709447Amendment | Feb 10, 2011 | Feb 10, 2011 | Slawson Exploration Company, Inc | Privette-Fain #2HH | 6,800 | 18131468 |
| 709073 | Feb 3, 2011 | Feb 3, 2011 | Hep Oil GP, LLC | North Sadler Penn Unit #204 | 7,080 | 18100906 |
| 708372 | Jan 28, 2011 | Jan 28, 2011 | Blackwell BMC, LLC | Big Mineral Creek UV Sand Unit #529 | 7,942 | 18101840 |
| 708372Amendment | Jan 28, 2011 | Jan 28, 2011 | Jetta Operating Company, Inc. | Big Mineral Creek UV Sand Unit #529 | 7,942 | 18101840 |
| 708541 | Jan 21, 2011 | Jan 21, 2011 | Longfellow Energy, LP | Skaggs #1 | 10,500 | 18131467 |
| 708541Amendment | Jan 21, 2011 | Jan 21, 2011 | Longfellow Energy, LP | Skaggs #1 | 12,000 | 18131467 |
| 708541Amendment | Jan 21, 2011 | Jan 21, 2011 | Longfellow Energy, LP | Skaggs #1 | 12,000 | 18131467 |
| 706761 | Dec 17, 2010 | Dec 17, 2010 | Hep Oil GP, LLC | Griffin, Margaret #9 | 6,680 | 18101171 |
| 706040 | Dec 2, 2010 | Dec 2, 2010 | Seitz, J. R. & Adam, Ltd. | Gray, John G. #7 | 4,000 | 18131466 |
| 706040Amendment | Dec 2, 2010 | Dec 2, 2010 | Seitz, J. R. & Adam, Ltd. | Gray, John G. #7 | 4,000 | 18131466 |
| 703486 | Nov 3, 2010 | Nov 3, 2010 | BLS Production Co., Inc. | Perry Walker #3 | 4,000 | 18130596 |
| 702127 | Oct 29, 2010 | Oct 29, 2010 | Jetta Operating Company, Inc. | Davis Unit #1HH | 8,500 | 18131465 |
| 702127Amendment | Oct 29, 2010 | Oct 29, 2010 | Jetta Operating Company, Inc. | Davis Unit #1HH | 8,700 | 18131465 |
| 703315 | Oct 14, 2010 | Oct 14, 2010 | BLS Production Co., Inc. | Perry Walker #2 | 4,000 | 18130206 |
| 693961 | Sep 15, 2010 | Sep 15, 2010 | Blackwell BMC, LLC | Big Mineral Creek UV Sand Unit #528 | 7,023 | 18100627 |
| 700799 | Aug 26, 2010 | Aug 26, 2010 | Blackwell BMC, LLC | Green #44 | 8,100 | 18131319 |
| 700761 | Aug 20, 2010 | Aug 20, 2010 | Samson Lone Star, LLC | Myron #1 | 10,769 | 18130921 |
| 699868 | Aug 5, 2010 | Aug 5, 2010 | BLS Production Co., Inc. | Perry Walker #1 | 3,978 | 18130209 |
| 699786 | Jul 30, 2010 | Jul 30, 2010 | Atoka Operating, Inc. | Dowdy #2 | 7,840 | 18131252 |
| 695626 | Jun 30, 2010 | Jun 30, 2010 | Samson Lone Star, LLC | Shankles, D. L. #1 | 10,962 | 18130951 |
| 698063 | Jun 29, 2010 | Jun 29, 2010 | Atoka Operating, Inc. | Irby #1 | 12,200 | 18131434 |
| 697676 | Jun 16, 2010 | Jun 16, 2010 | Blackwell BMC, LLC | Green #45 | 9,850 | 18131323 |
| 695446 | May 13, 2010 | May 13, 2010 | Atoka Operating, Inc. | Brooks #1 | 10,000 | 18131464 |
| 695446Amendment | May 13, 2010 | May 13, 2010 | Atoka Operating, Inc. | Brooks #1 | 10,614 | 18131464 |
| 695558 | May 11, 2010 | May 11, 2010 | Atoka Operating, Inc. | Methodist Childrens Home #1 | 9,000 | 18131461 |
| 695507 | May 11, 2010 | May 11, 2010 | Atoka Operating, Inc. | Frost Bank #1 | 11,000 | 18131463 |
| 695340 | May 11, 2010 | May 11, 2010 | Atoka Operating, Inc. | Irby #1H | 12,000 | 18131462 |
| 695234 | May 5, 2010 | May 5, 2010 | Blackwell BMC, LLC | J.E. Barnes #5 | 10,337 | 18101240 |
| 693165 | Mar 26, 2010 | Mar 26, 2010 | Samson Lone Star, LLC | O.F.K. #1 | 10,117 | 18130895 |
| 693152 | Mar 23, 2010 | Mar 23, 2010 | Blackwell BMC, LLC | S. D. Steedman #1 | 9,500 | 18101686 |
| 682567 | Mar 23, 2010 | Mar 23, 2010 | Hep Oil GP, LLC | Ramp #111A | 7,599 | 18100956 |
| 690286 | Jan 27, 2010 | Jan 27, 2010 | Blackwell BMC, LLC | Green #45 | 9,850 | 18131323 |
| 689619 | Jan 20, 2010 | Jan 20, 2010 | BLS Production Co., Inc. | Perry Walker #4 | 3,910 | 18130691 |
| 688911 | Dec 21, 2009 | Dec 21, 2009 | EOG Resources, Inc. | Kim #1 | 13,500 | 18131460 |
| 687442 | Dec 2, 2009 | Dec 2, 2009 | Atoka Operating, Inc. | Irby #5 | 11,000 | 18131459 |
| 685307 | Nov 10, 2009 | Nov 10, 2009 | Seitz, J. R. & Adam, Ltd. | Gray, John G. #6 | 4,000 | 18131456 |
| 685304 | Nov 10, 2009 | Nov 10, 2009 | Seitz, J. R. & Adam, Ltd. | Gray, John G. #5 | 4,000 | 18131455 |
| 685297 | Nov 10, 2009 | Nov 10, 2009 | Seitz, J. R. & Adam, Ltd. | Gray, John G. #4 | 4,000 | 18131454 |
| 685547 | Oct 16, 2009 | Oct 16, 2009 | Jetta Operating Company, Inc. | Lawrence Trust Unit #1HH | 8,200 | 18131458 |
| 685547Amendment | Oct 16, 2009 | Oct 16, 2009 | Jetta Operating Company, Inc. | Lawrence Trust Unit #1HH | 9,100 | 18131458 |
| 686155 | Oct 15, 2009 | Oct 15, 2009 | Blackwell BMC, LLC | Barnes, J.E. #3 | 10,581 | 18101238 |
| 685319 | Sep 21, 2009 | Sep 21, 2009 | BLS Production Co., Inc. | Rossel #4 | 4,500 | 18131457 |
| 685102 | Sep 15, 2009 | Sep 15, 2009 | Suncoast Technical Services Inc | Gilbert Hall Unit #2 | 13,500 | 18131453 |
| 685102Amendment | Sep 15, 2009 | Sep 15, 2009 | Suncoast Technical Services Inc | Gilbert Hall Unit #2 | 13,500 | 18131453 |
| 685102Amendment | Sep 15, 2009 | Sep 15, 2009 | EOG Resources, Inc. | Gilbert Hall Unit #2HH | 13,500 | 18131453 |
| 683965 | Aug 21, 2009 | Aug 21, 2009 | Hep Oil GP, LLC | Tate, Robert J. #2 | 8,825 | 18130863 |
| 683422 | Aug 4, 2009 | Aug 4, 2009 | Slawson Exploration Company, Inc | CMH Ranch #1 | 7,800 | 18131452 |
| 682671 | Jul 2, 2009 | Jul 2, 2009 | Suncoast Technical Services Inc | Hall #1 | 13,500 | 18131451 |
| 682671Amendment | Jul 2, 2009 | Jul 2, 2009 | EOG Resources, Inc. | Gilbert Hall Unit #1 | 13,500 | 18131451 |
| 681511 | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #4 | 10,000 | 18131450 |
| 681511Amendment | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #4 | 8,990 | 18131450 |
| 681511Amendment | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #4 | 8,990 | 18131450 |
| 681509 | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #3 | 10,000 | 18131449 |
| 681509Amendment | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #3 | 9,200 | 18131449 |
| 663096Amendment | May 26, 2009 | May 26, 2009 | Atoka Operating, Inc. | Irby #2 | 12,500 | 18131443 |