| 689558Amendment | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2108 | 11,200 | 00341390 |
| 689555 | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2102 | 11,200 | 00341389 |
| 689555Amendment | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2102 | 11,200 | 00341389 |
| 689554 | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2103 | 11,200 | 00341388 |
| 689554Amendment | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2103 | 11,200 | 00341388 |
| 691232 | Feb 16, 2010 | Feb 16, 2010 | Henry Resources LLC | Univcarla #3215 | 11,350 | 00341437 |
| 691230 | Feb 16, 2010 | Feb 16, 2010 | Henry Resources LLC | Univnatalie #2403 | 11,350 | 00341436 |
| 691229 | Feb 16, 2010 | Feb 16, 2010 | Henry Resources LLC | Univnatalie #2402 | 11,350 | 00341435 |
| 691229Amendment | Feb 16, 2010 | Feb 16, 2010 | Henry Resources LLC | Univnatalie #2402 | 11,350 | 00341435 |
| 691228 | Feb 16, 2010 | Feb 16, 2010 | Henry Resources LLC | Univwanda #2515 | 11,350 | 00341434 |
| 691105 | Feb 16, 2010 | Feb 16, 2010 | Midland TMG Inc. | Coopwood "C" #2A | 7,200 | 00341439 |
| 690928 | Feb 16, 2010 | Feb 16, 2010 | OK Arena Operating Company | CC Lockhart & Brown AA #7 | 4,900 | 00341433 |
| 690927 | Feb 16, 2010 | Feb 16, 2010 | OK Arena Operating Company | Munger Nix #113 | 4,900 | 00341432 |
| 690927Amendment | Feb 16, 2010 | Feb 16, 2010 | Sandridge Expl. and Prod., LLC | Munger Nix #113 | 5,100 | 00341432 |
| 690893 | Feb 12, 2010 | Feb 12, 2010 | Pioneer Natural Res. USA, Inc. | University "7-22" #3 | 11,500 | 00341431 |
| 690892 | Feb 12, 2010 | Feb 12, 2010 | Pioneer Natural Res. USA, Inc. | University "7-22" #1 | 11,500 | 00341430 |
| 690890 | Feb 11, 2010 | Feb 11, 2010 | Pioneer Natural Res. USA, Inc. | University "7-23" #2 | 11,500 | 00341429 |
| 690889 | Feb 11, 2010 | Feb 11, 2010 | Pioneer Natural Res. USA, Inc. | University "7-23" #4 | 11,500 | 00341428 |
| 691049 | Feb 10, 2010 | Feb 10, 2010 | OK Arena Operating Company | University 47A #2 | 4,775 | 00333756 |
| 690231 | Feb 10, 2010 | Feb 10, 2010 | OK Arena Operating Company | Argo #13 | 4,900 | 00341409 |
| 689650 | Feb 10, 2010 | Feb 10, 2010 | OK Arena Operating Company | Nix-South Unit #23 | 7,500 | 00341377 |
| 690970 | Feb 9, 2010 | Feb 9, 2010 | Henry Resources LLC | Univnatalie #1907 | 11,350 | 00341427 |
| 690808 | Feb 8, 2010 | Feb 8, 2010 | XTO Energy Inc. | University Block 9 #6BH | 11,700 | 00338261 |
| 690587 | Feb 8, 2010 | Feb 8, 2010 | OK Arena Operating Company | MA Thornberry Est B-BK #10 | 4,900 | 00341426 |
| 690586 | Feb 8, 2010 | Feb 8, 2010 | OK Arena Operating Company | RC Jones #12 | 4,900 | 00341424 |
| 690583 | Feb 8, 2010 | Feb 8, 2010 | OK Arena Operating Company | Ranch 4 #2 | 4,900 | 00341423 |
| 690764 | Feb 5, 2010 | Feb 5, 2010 | Mewbourne Oil Company | University "B7" "37" #5 | 10,500 | 00341421 |
| 690762 | Feb 5, 2010 | Feb 5, 2010 | Mewbourne Oil Company | University "B7" "37" #4 | 10,500 | 00341420 |
| 690582 | Feb 5, 2010 | Feb 5, 2010 | OK Arena Operating Company | Lindley #5 | 4,900 | 00341422 |
| 690581 | Feb 5, 2010 | Feb 5, 2010 | OK Arena Operating Company | Martin LZS #104 | 4,900 | 00341425 |
| 690655 | Feb 4, 2010 | Feb 4, 2010 | Burleson, Lewis B. Inc. | Prairie Schooner University #3 | 8,700 | 00341418 |
| 690435 | Feb 1, 2010 | Feb 1, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #15 | 7,975 | 00340033 |
| 690273 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #8 | 12,500 | 00341417 |
| 690273Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #8 | 11,500 | 00341417 |
| 690267 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #7 | 12,500 | 00341416 |
| 690267Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #7 | 11,500 | 00341416 |
| 690264 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #6 | 12,500 | 00341415 |
| 690264Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #6 | 11,400 | 00341415 |
| 690260 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #5 | 12,500 | 00341414 |
| 690260Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #5 | 11,400 | 00341414 |
| 690258 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #4 | 12,500 | 00341413 |
| 690258Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #4 | 11,500 | 00341413 |
| 690253 | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #3 | 12,500 | 00341412 |
| 690253Amendment | Feb 1, 2010 | Feb 1, 2010 | Williams, Clayton Energy, Inc. | Andrews University 33 #3 | 11,500 | 00341412 |
| 690237 | Feb 1, 2010 | Feb 1, 2010 | OK Arena Operating Company | Argo Knight #10 | 4,900 | 00341410 |
| 690236 | Feb 1, 2010 | Feb 1, 2010 | OK Arena Operating Company | Nora B Ashton #6 | 5,700 | 00341411 |
| 690232 | Feb 1, 2010 | Feb 1, 2010 | OK Arena Operating Company | MA Thornberry Est B-BK #11 | 4,900 | 00341408 |
| 690229 | Feb 1, 2010 | Feb 1, 2010 | OK Arena Operating Company | Thornberry Consolidated I #27 | 4,900 | 00341407 |
| 689994 | Jan 29, 2010 | Jan 29, 2010 | XTO Energy Inc. | University Block 9 #3ATH | 11,800 | 00302972 |
| 689994Amendment | Jan 29, 2010 | Jan 29, 2010 | XTO Energy Inc. | University Block 9 #3ATH | 11,800 | 00302972 |
| 689924 | Jan 28, 2010 | Jan 28, 2010 | OK Arena Operating Company | University 35 SE #1 | 4,900 | 00341397 |
| 689923 | Jan 28, 2010 | Jan 28, 2010 | OK Arena Operating Company | University 6N #6 | 4,900 | 00341396 |
| 689922 | Jan 28, 2010 | Jan 28, 2010 | OK Arena Operating Company | Bush-Rasmussen #11 | 4,900 | 00341395 |
| 689920 | Jan 28, 2010 | Jan 28, 2010 | OK Arena Operating Company | Argo (LZS) #11 | 4,900 | 00341394 |
| 689919 | Jan 28, 2010 | Jan 28, 2010 | OK Arena Operating Company | Argo (LZS) #10 | 4,900 | 00341393 |
| 690343 | Jan 27, 2010 | Jan 27, 2010 | Henry Resources LLC | Casselman #3202 | 11,000 | 00341406 |
| 690324 | Jan 27, 2010 | Jan 27, 2010 | Conocophillips Company | Texas University -Q- #6 | 11,249 | 00336686 |
| 690250 | Jan 26, 2010 | Jan 26, 2010 | XTO Energy Inc. | University BLK 9 #2E | 10,800 | 00305267 |
| 690225 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #8 | 12,500 | 00341405 |
| 690225Amendment | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #8 | 12,500 | 00341405 |
| 690223 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #7 | 12,500 | 00341404 |
| 690223Amendment | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #7 | 12,500 | 00341404 |
| 690220 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #6 | 12,500 | 00341403 |
| 690220Amendment | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #6 | 12,500 | 00341403 |
| 690219 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #5 | 12,500 | 00341402 |
| 690216 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #4 | 12,500 | 00341401 |
| 690215 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #3 | 12,500 | 00341400 |
| 690215Amendment | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #3 | 12,500 | 00341400 |
| 690208 | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #2 | 12,500 | 00341399 |
| 690208Amendment | Jan 26, 2010 | Jan 26, 2010 | Williams, Clayton Energy, Inc. | Andrews University 32 #2 | 12,500 | 00341399 |
| 689741 | Jan 20, 2010 | Jan 20, 2010 | Energen Resources Corporation | University "14-A" #4 | 9,000 | 00339175 |
| 689668 | Jan 20, 2010 | Jan 20, 2010 | Endeavor Energy Resources L.P. | University 9 -AB- #6 | 14,000 | 00341392 |
| 689109 | Jan 20, 2010 | Jan 20, 2010 | Dakota Resources, Inc. (I) | University Donna #2 | 4,800 | 00305244 |
| 689551 | Jan 15, 2010 | Jan 15, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2121 | 11,200 | 00341387 |
| 689550 | Jan 15, 2010 | Jan 15, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2122 | 11,200 | 00341386 |
| 689724 | Jan 14, 2010 | Jan 14, 2010 | Energen Resources Corporation | University "14-A" #2 | 9,000 | 00339035 |
| 689667 | Jan 14, 2010 | Jan 14, 2010 | Sandridge Expl. and Prod., LLC | Phillips University O #13 | 8,000 | 00341385 |
| 689667Amendment | Jan 14, 2010 | Jan 14, 2010 | Sandridge Expl. and Prod., LLC | Phillips University O #13 | 18,000 | 00341385 |
| 689506 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2118 | 11,200 | 00341384 |
| 689504 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2117 | 11,200 | 00341383 |
| 689503 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2111 | 11,200 | 00341382 |
| 689501 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2110 | 11,200 | 00341381 |
| 689498 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2105 | 11,200 | 00341380 |
| 689498Amendment | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2105 | 11,200 | 00341380 |
| 689497 | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2104 | 11,200 | 00341379 |
| 689497Amendment | Jan 13, 2010 | Jan 13, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2104 | 11,200 | 00341379 |
| 689407 | Jan 13, 2010 | Jan 13, 2010 | OK Arena Operating Company | Fleming A #7 | 4,900 | 00341375 |
| 689406 | Jan 13, 2010 | Jan 13, 2010 | OK Arena Operating Company | Fleming 123 #8 | 4,900 | 00341374 |
| 689405 | Jan 13, 2010 | Jan 13, 2010 | OK Arena Operating Company | Fleming 123 #7 | 4,900 | 00341373 |
| 689380 | Jan 13, 2010 | Jan 13, 2010 | OK Arena Operating Company | Nix-South Unit #22 | 7,500 | 00341378 |
| 689432 | Jan 12, 2010 | Jan 12, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #2 | 11,500 | 00341368 |
| 689432Amendment | Jan 12, 2010 | Jan 12, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #2 | 11,500 | 00341368 |
| 689419 | Jan 12, 2010 | Jan 12, 2010 | XTO Energy Inc. | University Block 9 #11QH | 12,500 | 00339646 |
| 689523 | Jan 11, 2010 | Jan 11, 2010 | Huntington Energy, L.L.C. | Parker 22 #1 | 7,100 | 00341376 |
| 687435 | Jan 11, 2010 | Jan 11, 2010 | Forest Oil Corporation | University Southern Minerals #4 | 8,100 | 00338813 |
| 689483 | Jan 8, 2010 | Jan 8, 2010 | Devon Energy Production Co, L.P. | Lowe & Bitler -C- a/C 2 #22W | 7,600 | 00341372 |
| 689463 | Jan 8, 2010 | Jan 8, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #6 | 11,500 | 00341371 |
| 689463Amendment | Jan 8, 2010 | Jan 8, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #6 | 11,500 | 00341371 |
| 689462 | Jan 8, 2010 | Jan 8, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #4 | 11,500 | 00341370 |
| 689462Amendment | Jan 8, 2010 | Jan 8, 2010 | Devon Energy Production Co, L.P. | Uls 5-35 #4 | 11,500 | 00341370 |