| 667099 | Aug 6, 2008 | Aug 6, 2008 | Conocophillips Company | University Andrews #14800340687 | 6,750 |
| 667006 | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | University 5-26 #100340686 | 18,000 |
| 666963 | Aug 6, 2008 | Aug 6, 2008 | Cimarex Energy Co. of Colorado | Block 9 Unit #40800340682 | 5,000 |
| 666233 | Aug 6, 2008 | Aug 6, 2008 | OK Arena Operating Company | Limpia 14A #800340662 | 4,900 |
| 665506 | Aug 6, 2008 | Aug 6, 2008 | OK Arena Operating Company | Lyda Miles Gap #300340643 | 4,900 |
| 665497 | Aug 6, 2008 | Aug 6, 2008 | OK Arena Operating Company | University 34A #500340641 | 4,900 |
| 663891 | Aug 6, 2008 | Aug 6, 2008 | OK Arena Operating Company | Thornberry Consolidated III #2300340691 | 4,900 |
| 666734 | Aug 5, 2008 | Aug 5, 2008 | Texland Petroleum, L.P. | Lineberry (San Andres CF Unit) #300340679 | 4,800 |
| 666315 | Aug 5, 2008 | Aug 5, 2008 | OK Arena Operating Company | Limpia 14 #600340668 | 4,900 |
| 665741 | Aug 5, 2008 | Aug 5, 2008 | OK Arena Operating Company | Thornberry LZS #600340652 | 4,900 |
| 664690 | Aug 5, 2008 | Aug 5, 2008 | Apache Corporation | Bakke Unit #14600340621 | 10,000 |
| 664687 | Aug 5, 2008 | Aug 5, 2008 | Apache Corporation | Bakke Unit #14800340624 | 10,000 |
| 666810 | Aug 4, 2008 | Aug 4, 2008 | OK Arena Operating Company | Cowden, Emma #20000340681 | 4,900 |
| 666810Amendment | Aug 4, 2008 | Aug 4, 2008 | Sandridge Expl. and Prod., LLC | Cowden, Emma #20000340681 | 4,900 |
| 666807 | Aug 4, 2008 | Aug 4, 2008 | OK Arena Operating Company | Cowden, Emma #20700340680 | 4,900 |
| 666807Amendment | Aug 4, 2008 | Aug 4, 2008 | Sandridge Expl. and Prod., LLC | Cowden, Emma #20700340680 | 4,900 |
| 665386Amendment | Aug 4, 2008 | Aug 4, 2008 | M & M Production Ltd. | University GK #200340636 | 4,800 |
| 665261 | Aug 2, 2008 | Aug 2, 2008 | OK Arena Operating Company | Munger Nix A #2700340672 | 4,900 |
| 666520 | Jul 31, 2008 | Jul 31, 2008 | Pacesetter Energy, Inc. | University 26 #700340676 | 6,000 |
| 666519 | Jul 31, 2008 | Jul 31, 2008 | Pacesetter Energy, Inc. | Nichols Sisterload #1500340677 | 6,000 |
| 666403 | Jul 29, 2008 | Jul 29, 2008 | Patriot Resources, Inc. | Cross Bar Ranch #200100340675 | 12,000 |
| 666371 | Jul 29, 2008 | Jul 29, 2008 | Reliance Energy, Inc. | Mabee 240B #30100340674 | 11,500 |
| 666369 | Jul 29, 2008 | Jul 29, 2008 | Fasken Oil and Ranch, Ltd. | David Fasken "O" #100306772 | 14,800 |
| 666350 | Jul 29, 2008 | Jul 29, 2008 | Huntington Energy, L.L.C. | Lockhart #1800340673 | 5,250 |
| 666303 | Jul 29, 2008 | Jul 29, 2008 | Patriot Resources, Inc. | Cross Bar Ranch #290100340671 | 12,000 |
| 666231 | Jul 28, 2008 | Jul 28, 2008 | OK Arena Operating Company | Lindley #200340661 | 4,900 |
| 665519 | Jul 28, 2008 | Jul 28, 2008 | OK Arena Operating Company | Limpia 14 #700340646 | 4,900 |
| 666234 | Jul 25, 2008 | Jul 25, 2008 | OK Arena Operating Company | W H Bush #700340663 | 4,900 |
| 666220 | Jul 25, 2008 | Jul 25, 2008 | Conocophillips Company | Embar -B- #4000330896 | 6,350 |
| 666217 | Jul 25, 2008 | Jul 25, 2008 | Reliance Energy, Inc. | Mabee 240B #160100340660 | 11,500 |
| 666217Amendment | Jul 25, 2008 | Jul 25, 2008 | Reliance Energy, Inc. | Mabee 240B #160100340660 | 11,500 |
| 665863 | Jul 24, 2008 | Jul 24, 2008 | Pacesetter Energy, Inc. | Savage #1000340659 | 6,000 |
| 665572 | Jul 24, 2008 | Jul 24, 2008 | OK Arena Operating Company | MA Thornberry et al Est-NWS #600340650 | 4,900 |
| 665829 | Jul 22, 2008 | Jul 22, 2008 | Pacesetter Energy, Inc. | University 26 #600340658 | 6,000 |
| 665810 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | Embar -B- #6600340657 | 6,750 |
| 665798 | Jul 22, 2008 | Jul 22, 2008 | OK Arena Operating Company | University 35 South #100340656 | 4,900 |
| 665794 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | Embar -B- #6300340655 | 6,750 |
| 665794Amendment | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | Embar -B- #6300340655 | 7,100 |
| 665794Amendment | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | Embar -B- #6300340655 | 7,100 |
| 665780 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | Embar -B- #6000340654 | 6,750 |
| 664379 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #16000340614 | 6,800 |
| 664338 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15900340612 | 6,800 |
| 664316 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15800340611 | 6,800 |
| 664225 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15700340610 | 6,800 |
| 664225Amendment | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15700340610 | 6,800 |
| 664106 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15500340602 | 6,800 |
| 663875 | Jul 22, 2008 | Jul 22, 2008 | Conocophillips Company | University Andrews #15200340597 | 6,700 |
| 665759 | Jul 21, 2008 | Jul 21, 2008 | Conocophillips Company | Embar -B- #5600340653 | 6,750 |
| 665759Amendment | Jul 21, 2008 | Jul 21, 2008 | Conocophillips Company | Embar -B- #5600340653 | 7,100 |
| 665255 | Jul 21, 2008 | Jul 21, 2008 | OK Arena Operating Company | CC Cities Service B #600340639 | 4,900 |
| 663820 | Jul 21, 2008 | Jul 21, 2008 | Americo Energy Resources, LLC | State FK #200301686 | 12,397 |
| 663817 | Jul 21, 2008 | Jul 21, 2008 | Americo Energy Resources, LLC | State FK #700301728 | 12,430 |
| 663817Amendment | Jul 21, 2008 | Jul 21, 2008 | Lime Rock Resources IV-a, L.P. | State FK #700301728 | 12,430 |
| 665578 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | Thornberry NWS #1600340651 | 4,900 |
| 665571 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | Thornberry F #1400340649 | 4,900 |
| 665524 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | Lindley 16 #200340648 | 4,900 |
| 665521 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | MA Thornberry Est B BK #500340647 | 4,900 |
| 665513 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | Stuckert #600340645 | 4,900 |
| 665501 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | Stuckert #700340644 | 4,900 |
| 665498 | Jul 18, 2008 | Jul 18, 2008 | OK Arena Operating Company | University #500340642 | 4,900 |
| 663773 | Jul 18, 2008 | Jul 18, 2008 | Conocophillips Company | University Andrews #15000340592 | 6,775 |
| 665395 | Jul 17, 2008 | Jul 17, 2008 | Burleson, Lewis B. Inc. | Prairie Schooner University #200340638 | 8,700 |
| 665390 | Jul 17, 2008 | Jul 17, 2008 | M & M Production Ltd. | University D #200340637 | 4,700 |
| 663659 | Jul 17, 2008 | Jul 17, 2008 | Conocophillips Company | University Andrews #14900340589 | 6,750 |
| 665386 | Jul 16, 2008 | Jul 16, 2008 | M & M Production Ltd. | University GK #200340636 | 4,700 |
| 665269 | Jul 16, 2008 | Jul 16, 2008 | OK Arena Operating Company | Ehrig #500340634 | 4,900 |
| 665263 | Jul 16, 2008 | Jul 16, 2008 | OK Arena Operating Company | Bassel #1200340635 | 4,900 |
| 665247 | Jul 16, 2008 | Jul 16, 2008 | OK Arena Operating Company | CC Lockhart Brown B #700340640 | 4,900 |
| 665139 | Jul 15, 2008 | Jul 15, 2008 | Whiting Oil and Gas Corporation | University -3- #1200340626 | 7,800 |
| 663494 | Jul 15, 2008 | Jul 15, 2008 | Conocophillips Company | University Andrews #14700340580 | 6,750 |
| 663429 | Jul 15, 2008 | Jul 15, 2008 | Conocophillips Company | University Andrews #14600340579 | 6,850 |
| 662935 | Jul 15, 2008 | Jul 15, 2008 | Pacesetter Energy, Inc. | Abilene Christian University #100340590 | 6,000 |
| 662935Amendment | Jul 15, 2008 | Jul 15, 2008 | Pacesetter Energy, Inc. | Abilene Christian University #100340590 | 6,000 |
| 665251 | Jul 14, 2008 | Jul 14, 2008 | OK Arena Operating Company | EC Nix #200340631 | 4,900 |
| 665207 | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitycarol #100340630 | 11,500 |
| 665207Amendment | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitycarol #100340630 | 11,500 |
| 665187 | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitycameron #100340629 | 11,500 |
| 665187Amendment | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitycameron #100340629 | 11,500 |
| 665184 | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitychloe #100340628 | 11,500 |
| 665184Amendment | Jul 14, 2008 | Jul 14, 2008 | EXL Petroleum, LP | Universitychloe #100340628 | 11,500 |
| 665019 | Jul 14, 2008 | Jul 14, 2008 | Pacesetter Energy, Inc. | University 14 #600340625 | 6,000 |
| 665057 | Jul 11, 2008 | Jul 11, 2008 | Chesapeake Operating, Inc. | University 7-10 B #300340627 | 12,000 |
| 664810 | Jul 9, 2008 | Jul 9, 2008 | Grace Operating, Inc. | Jordan, Augusta #100300549 | 5,280 |
| 664758 | Jul 8, 2008 | Jul 8, 2008 | Pacesetter Energy, Inc. | Savage #3R00340623 | 6,000 |
| 664758Amendment | Jul 8, 2008 | Jul 8, 2008 | Pacesetter Energy, Inc. | Savage #3R00340623 | 6,000 |
| 664695 | Jul 3, 2008 | Jul 3, 2008 | Apache Corporation | Bakke Unit #14700340622 | 10,000 |
| 664679 | Jul 3, 2008 | Jul 3, 2008 | Apache Corporation | Chaney, Larry #100340619 | 11,000 |
| 664676 | Jul 3, 2008 | Jul 3, 2008 | Apache Corporation | McKinney, Warner #100340620 | 11,000 |
| 664471 | Jul 1, 2008 | Jul 1, 2008 | Samson Lone Star, LLC | University 8-13 #200340615 | 14,000 |
| 663616 | Jul 1, 2008 | Jul 1, 2008 | OK Arena Operating Company | CC Cities Service B #500340617 | 4,900 |
| 663613 | Jul 1, 2008 | Jul 1, 2008 | OK Arena Operating Company | Munger Nix A #2400340618 | 4,900 |
| 662425 | Jul 1, 2008 | Jul 1, 2008 | OK Arena Operating Company | Thornberry-NWS #1500340616 | 4,900 |
| 664341 | Jun 28, 2008 | Jun 28, 2008 | Samson Lone Star, LLC | University 8-10 #200340613 | 14,000 |
| 664183 | Jun 27, 2008 | Jun 27, 2008 | EXL Petroleum, LP | Universitycasey #100340608 | 11,500 |
| 664183Amendment | Jun 27, 2008 | Jun 27, 2008 | EXL Petroleum, LP | Universitycasey #100340608 | 11,500 |
| 664178 | Jun 27, 2008 | Jun 27, 2008 | EXL Petroleum, LP | Universitycaitlin #100340609 | 11,500 |
| 664178Amendment | Jun 27, 2008 | Jun 27, 2008 | EXL Petroleum, LP | Universitycaitlin #100340609 | 11,500 |
| 664150 | Jun 27, 2008 | Jun 27, 2008 | Whiting Oil and Gas Corporation | University -3- #1400340604 | 7,800 |
| 664147 | Jun 27, 2008 | Jun 27, 2008 | Whiting Oil and Gas Corporation | University -3- #1300340603 | 7,800 |
| 663280 | Jun 25, 2008 | Jun 25, 2008 | OK Arena Operating Company | Thornberry F #1300340575 | 4,900 |