| 669638 | Sep 10, 2008 | Sep 10, 2008 | Piedra Operating, LLC | University 3 #10100340772 | 11,500 |
| 669622 | Sep 10, 2008 | Sep 10, 2008 | M & M Production Ltd. | University D #400340774 | 4,800 |
| 669618 | Sep 10, 2008 | Sep 10, 2008 | M & M Production Ltd. | University D #300340773 | 4,800 |
| 669436 | Sep 10, 2008 | Sep 10, 2008 | Range Production Company | Block 10 Fuhrman-Mascho Unit #70400340769 | 4,900 |
| 669434 | Sep 10, 2008 | Sep 10, 2008 | Range Production Company | Block 10 Fuhrman-Mascho Unit #50400340768 | 4,900 |
| 669322 | Sep 9, 2008 | Sep 9, 2008 | OK Arena Operating Company | University 6 #800340761 | 4,900 |
| 669357 | Sep 8, 2008 | Sep 8, 2008 | Conocophillips Company | Embar -B- #300304549 | 9,860 |
| 669321 | Sep 8, 2008 | Sep 8, 2008 | OK Arena Operating Company | Thornberry 5 #500340763 | 4,900 |
| 669318 | Sep 8, 2008 | Sep 8, 2008 | OK Arena Operating Company | Thornberry 13A #200340765 | 4,900 |
| 669315 | Sep 6, 2008 | Sep 6, 2008 | OK Arena Operating Company | Munger Nix a LZS #3000340760 | 4,900 |
| 669314 | Sep 6, 2008 | Sep 6, 2008 | OK Arena Operating Company | Thornberry 5E #400340759 | 4,900 |
| 669313 | Sep 6, 2008 | Sep 6, 2008 | OK Arena Operating Company | Munger Nix a LZS #2900340762 | 4,900 |
| 669013 | Sep 4, 2008 | Sep 4, 2008 | OK Arena Operating Company | Thornberry 5A #400340754 | 4,900 |
| 668985 | Sep 4, 2008 | Sep 4, 2008 | Reliance Energy, Inc. | Mabee 139 #460100340752 | 11,500 |
| 668950 | Sep 4, 2008 | Sep 4, 2008 | Pacesetter Energy, Inc. | Savage #24W00340750 | 6,000 |
| 668949 | Sep 4, 2008 | Sep 4, 2008 | Pacesetter Energy, Inc. | Savage #23W00340751 | 6,000 |
| 665651 | Sep 4, 2008 | Sep 4, 2008 | Range Production Company | West Fuhrman-Mascho Unit #59000340758 | 4,900 |
| 665649 | Sep 4, 2008 | Sep 4, 2008 | Range Production Company | West Fuhrman-Mascho Unit #57300340757 | 4,900 |
| 665646 | Sep 4, 2008 | Sep 4, 2008 | Range Production Company | West Fuhrman-Mascho Unit #38400340756 | 4,900 |
| 665644 | Sep 4, 2008 | Sep 4, 2008 | Range Production Company | West Fuhrman-Mascho Unit #56600340755 | 4,900 |
| 662423 | Sep 4, 2008 | Sep 4, 2008 | OK Arena Operating Company | Thornberry NWS #1400340550 | 4,900 |
| 668896 | Sep 3, 2008 | Sep 3, 2008 | Pacesetter Energy, Inc. | Savage #17W00340749 | 6,000 |
| 668798 | Sep 2, 2008 | Sep 2, 2008 | XOG Operating LLC | University 6-47 B #200340747 | 13,000 |
| 668737 | Sep 2, 2008 | Sep 2, 2008 | Pacesetter Energy, Inc. | Savage #16W00340746 | 6,000 |
| 667754 | Sep 2, 2008 | Sep 2, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #810900340711 | 4,900 |
| 667297 | Sep 2, 2008 | Sep 2, 2008 | Conocophillips Company | University Andrews #15600340753 | 6,800 |
| 668481 | Aug 29, 2008 | Aug 29, 2008 | Pacesetter Energy, Inc. | Nichols Sisterload #17W00340743 | 6,000 |
| 668692 | Aug 28, 2008 | Aug 28, 2008 | Conocophillips Company | Embar -B- #5700340741 | 6,750 |
| 668692Amendment | Aug 28, 2008 | Aug 28, 2008 | Conocophillips Company | Embar -B- #5700340741 | 7,100 |
| 668688 | Aug 28, 2008 | Aug 28, 2008 | Conocophillips Company | Embar -B- #5400340742 | 6,700 |
| 668688Amendment | Aug 28, 2008 | Aug 28, 2008 | Conocophillips Company | Embar -B- #5400340742 | 7,100 |
| 668606 | Aug 28, 2008 | Aug 28, 2008 | OK Arena Operating Company | Munger Nix #700335407 | 4,962 |
| 664486 | Aug 28, 2008 | Aug 28, 2008 | Range Production Company | West Fuhrman-Mascho Unit #21600340732 | 4,900 |
| 668546 | Aug 27, 2008 | Aug 27, 2008 | Pioneer Natural Res. USA, Inc. | University 7-23 #100340740 | 11,000 |
| 668485 | Aug 27, 2008 | Aug 27, 2008 | Pacesetter Energy, Inc. | Nichols Sisterload #20W00340748 | 6,000 |
| 668110 | Aug 27, 2008 | Aug 27, 2008 | Conocophillips Company | University Andrews #17000340721 | 6,850 |
| 668105 | Aug 27, 2008 | Aug 27, 2008 | Conocophillips Company | University Andrews #16900340720 | 6,850 |
| 668486 | Aug 26, 2008 | Aug 26, 2008 | Pacesetter Energy, Inc. | Nichols Sisterload #21W00340745 | 6,000 |
| 668483 | Aug 26, 2008 | Aug 26, 2008 | Pacesetter Energy, Inc. | Nichols Sisterload #18W00340744 | 6,000 |
| 668269 | Aug 26, 2008 | Aug 26, 2008 | Myco Industries, Inc. | University 6-26 #100340739 | 10,400 |
| 668272 | Aug 25, 2008 | Aug 25, 2008 | Myco Industries, Inc. | University 6-27 #100340738 | 10,400 |
| 668264 | Aug 25, 2008 | Aug 25, 2008 | Myco Industries, Inc. | University 6-31 #100340737 | 10,400 |
| 667751 | Aug 25, 2008 | Aug 25, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #99900340709 | 4,900 |
| 664302 | Aug 25, 2008 | Aug 25, 2008 | Thompson, J. Cleo | University 8-11 #700340728 | 11,200 |
| 668372 | Aug 22, 2008 | Aug 22, 2008 | Thompson, J. Cleo | University 9-17 #200340734 | 4,850 |
| 664301 | Aug 22, 2008 | Aug 22, 2008 | Thompson, J. Cleo | University 8-11 #600340729 | 11,200 |
| 664300 | Aug 22, 2008 | Aug 22, 2008 | Thompson, J. Cleo | University 8-2 #400340731 | 11,200 |
| 668259 | Aug 21, 2008 | Aug 21, 2008 | Myco Industries, Inc. | University 6-31 #300340733 | 10,400 |
| 668253 | Aug 21, 2008 | Aug 21, 2008 | Myco Industries, Inc. | University 6-40 #100340736 | 10,400 |
| 667534 | Aug 20, 2008 | Aug 20, 2008 | OK Arena Operating Company | Lockhart #800340735 | 4,900 |
| 665256 | Aug 20, 2008 | Aug 20, 2008 | OK Arena Operating Company | Munger Nix A #2800340633 | 4,900 |
| 667999 | Aug 18, 2008 | Aug 18, 2008 | Reliance Energy, Inc. | Mabee 139 #430100340727 | 11,500 |
| 667974 | Aug 18, 2008 | Aug 18, 2008 | Reliance Energy, Inc. | Mabee 140B #480100340726 | 11,500 |
| 668102 | Aug 14, 2008 | Aug 14, 2008 | Conocophillips Company | University Andrews #16800340718 | 6,850 |
| 667870 | Aug 14, 2008 | Aug 14, 2008 | Conocophillips Company | University Andrews #16700342381 | 6,875 |
| 667834 | Aug 14, 2008 | Aug 14, 2008 | Legacy Reserves Operating LP | Fuhrman #400340724 | 4,750 |
| 667827 | Aug 14, 2008 | Aug 14, 2008 | Legacy Reserves Operating LP | Fuhrman #300340723 | 4,750 |
| 667822 | Aug 14, 2008 | Aug 14, 2008 | Legacy Reserves Operating LP | Furhman #200340722 | 4,750 |
| 665203 | Aug 14, 2008 | Aug 14, 2008 | EXL Petroleum, LP | Universitylizby #100340730 | 11,500 |
| 665203Amendment | Aug 14, 2008 | Aug 14, 2008 | EXL Petroleum, LP | Universitylizby #100340730 | 11,500 |
| 667868 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16600340717 | 6,850 |
| 667868Amendment | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16600340717 | 7,100 |
| 667831 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16500342380 | 6,850 |
| 667784 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16400340715 | 6,875 |
| 667781 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16300342347 | 6,850 |
| 667777 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16200342306 | 6,850 |
| 667776 | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16100340714 | 6,850 |
| 667776Amendment | Aug 13, 2008 | Aug 13, 2008 | Conocophillips Company | University Andrews #16100340714 | 7,500 |
| 667753 | Aug 13, 2008 | Aug 13, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #810600340710 | 4,900 |
| 667570 | Aug 11, 2008 | Aug 11, 2008 | Thompson, J. Cleo | University 9-18 #400340707 | 4,850 |
| 667566 | Aug 11, 2008 | Aug 11, 2008 | Thompson, J. Cleo | University 9-18 #300340706 | 4,850 |
| 667543 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #89700340704 | 4,900 |
| 667543Amendment | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #89700340704 | 4,900 |
| 667541 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Lockhart & Brown & Olsen #400340705 | 4,900 |
| 667540 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Thornberry Consolidated III #2700340703 | 4,900 |
| 667538 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Thornberry Consolidated III #2600340702 | 4,900 |
| 667537 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Thornberry Consolidated III #2500340701 | 4,900 |
| 667536 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Thornberry Consolidated III #2400340700 | 4,900 |
| 666314 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Miles #700340670 | 4,900 |
| 666254 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Bush, W. H. B #200340665 | 4,900 |
| 666240 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Miles, Lyda #600340667 | 4,900 |
| 666238 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Bush, W. H. B #300340666 | 4,900 |
| 666237 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Bush, W. H. B #400340664 | 4,900 |
| 663885 | Aug 11, 2008 | Aug 11, 2008 | OK Arena Operating Company | Thornberry 5A #300340708 | 4,900 |
| 667415 | Aug 9, 2008 | Aug 9, 2008 | Conocophillips Company | Embar -B- #6100340698 | 6,750 |
| 667415Amendment | Aug 9, 2008 | Aug 9, 2008 | Conocophillips Company | Embar -B- #6100340698 | 7,100 |
| 667407 | Aug 9, 2008 | Aug 9, 2008 | Conocophillips Company | Embar -B- #5800340697 | 6,750 |
| 667407Amendment | Aug 9, 2008 | Aug 9, 2008 | Conocophillips Company | Embar -B- #5800340697 | 7,100 |
| 667272 | Aug 9, 2008 | Aug 9, 2008 | Reliance Energy, Inc. | Mabee 240A #410100342105 | 11,500 |
| 667272Amendment | Aug 9, 2008 | Aug 9, 2008 | Reliance Energy, Inc. | Mabee 240A #410100342105 | 13,000 |
| 666316 | Aug 9, 2008 | Aug 9, 2008 | OK Arena Operating Company | Coopwood Eva A #400340669 | 4,900 |
| 666316Amendment | Aug 9, 2008 | Aug 9, 2008 | OK Arena Operating Company | Coopwood Eva A #400340669 | 4,900 |
| 665252 | Aug 8, 2008 | Aug 8, 2008 | OK Arena Operating Company | Munger & Nix Snow #400340632 | 4,900 |
| 667242 | Aug 7, 2008 | Aug 7, 2008 | M & M Production Ltd. | University GK #300340692 | 4,700 |
| 667123 | Aug 7, 2008 | Aug 7, 2008 | XOG Operating LLC | University 6-47 B #300340685 | 13,000 |
| 667114 | Aug 6, 2008 | Aug 6, 2008 | Thompson, J. Cleo | University 9-18 #500340684 | 4,850 |
| 667109 | Aug 6, 2008 | Aug 6, 2008 | Conocophillips Company | University Andrews #15300340688 | 6,800 |
| 667104 | Aug 6, 2008 | Aug 6, 2008 | Conocophillips Company | University Andrews #15400340690 | 6,775 |
| 667104Amendment | Aug 6, 2008 | Aug 6, 2008 | Conocophillips Company | University Andrews #15400340690 | 6,775 |
| 667101 | Aug 6, 2008 | Aug 6, 2008 | Conocophillips Company | University Andrews #15100340689 | 6,750 |