| 654394 | Feb 11, 2008 | Feb 11, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez #5 | 8,000 | 42734249 |
| 654383 | Feb 9, 2008 | Feb 9, 2008 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Zamora Unit #1 | 8,013 | 21531614 |
| 651089 | Jan 22, 2008 | Jan 22, 2008 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Edinburg Improvement Assoc. #2 | 7,100 | 21532029 |
| 652817 | Jan 16, 2008 | Jan 16, 2008 | Kerr-McGee Oil & Gas Onshore LP | Hardin | BP America A-437 #1 | 17,500 | 19933115 |
| 652213 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Champion, A. A. #7 | 7,700 | 42734217 |
| 652209 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Gas Unit #9 | 9,420 | 42733990 |
| 652205 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #76 | 8,000 | 42734220 |
| 652203 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez #4 | 7,600 | 42734219 |
| 652202 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez #3 | 7,500 | 42734218 |
| 652174 | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | A. G. Hermann Gas Unit #5 | 5,116 | 42732864 |
| 652148 | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Champion, A. A. #6 | 8,500 | 42734216 |
| 652148Amendment | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Champion, A. A. #6 | 8,500 | 42734216 |
| 652086 | Jan 4, 2008 | Jan 4, 2008 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E. #15 | 8,000 | 42734215 |
| 650287 | Dec 7, 2007 | Dec 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Reilly Heirs #34 | 9,500 | 42734207 |
| 650292 | Dec 6, 2007 | Dec 6, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #33 | 8,500 | 42734208 |
| 650096 | Dec 3, 2007 | Dec 3, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L&L Co. -C- #21 | 9,700 | 42734203 |
| 650046 | Nov 29, 2007 | Nov 29, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L&L Co. -C- #20 | 9,000 | 42734200 |
| 649730 | Nov 26, 2007 | Nov 26, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #74 | 8,000 | 42734199 |
| 649737 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #75 | 8,200 | 42734198 |
| 649728 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #73 | 9,000 | 42734197 |
| 649716 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #72 | 9,000 | 42734195 |
| 649706 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #17 | 8,500 | 42734196 |
| 649690 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Speer, Geo. H. #23 | 9,214 | 42733349 |
| 649661 | Nov 20, 2007 | Nov 20, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #24 | 4,130 | 42731850 |
| 649546 | Nov 20, 2007 | Nov 20, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #16 | 9,000 | 42734193 |
| 649558 | Nov 19, 2007 | Nov 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #18 | 8,500 | 42734194 |
| 649007 | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #32 | 8,500 | 42734186 |
| 649007Amendment | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #32 | 10,500 | 42734186 |
| 648961 | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #71 | 9,400 | 42734185 |
| 648796 | Nov 7, 2007 | Nov 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #31 | 8,500 | 42734183 |
| 648042 | Oct 23, 2007 | Oct 23, 2007 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Zamora Unit #1 | 8,013 | 21531614 |
| 647346 | Oct 11, 2007 | Oct 11, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Montalvo, N. R. #11 | 5,500 | 42731512 |
| 646445 | Sep 26, 2007 | Sep 26, 2007 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Van Scherpe, Peter #4 | 11,030 | 21531771 |
| 621494Amendment | Sep 17, 2007 | Sep 17, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Gas Unit(lower) #9 | 9,400 | 42733990 |
| 645621 | Sep 7, 2007 | Sep 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Olivares, A. #22 | 5,030 | 42732467 |
| 643332 | Aug 28, 2007 | Aug 28, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #15 | 9,000 | 42734157 |
| 644377 | Aug 16, 2007 | Aug 16, 2007 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #8 | 9,500 | 47936061 |
| 643447 | Aug 13, 2007 | Aug 13, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez #2 | 11,250 | 42734158 |
| 642696 | Jul 30, 2007 | Jul 30, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, C. M. -A- #12 | 7,100 | 42733348 |
| 642587 | Jul 27, 2007 | Jul 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | McKinney, Amanda #34 | 5,040 | 42734031 |
| 642587Amendment | Jul 27, 2007 | Jul 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | McKinney, Amanda #34 | 5,040 | 42734031 |
| 642128 | Jul 19, 2007 | Jul 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Gas Unit #10 | 9,500 | 42734152 |
| 642113 | Jul 19, 2007 | Jul 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez #1 | 8,700 | 42734153 |
| 641855 | Jul 14, 2007 | Jul 14, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L&L Co. -C- #19 | 9,000 | 42734150 |
| 641080 | Jul 2, 2007 | Jul 2, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, J. F. State #28 | 5,000 | 42734028 |
| 640740 | Jun 27, 2007 | Jun 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Unit (Upper) #2 | 5,560 | 42732343 |
| 639575 | May 30, 2007 | May 30, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Speer, Geo. H. State -D- #6 | 8,550 | 42733211 |
| 637681 | May 3, 2007 | May 3, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | TCR Speer-State #2 | 7,800 | 42733139 |
| 637681Amendment | May 3, 2007 | May 3, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | TCR Speer-State #2 | 7,800 | 42733139 |
| 635217 | Mar 22, 2007 | Mar 22, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E. #14 | 9,500 | 42734103 |
| 635215 | Mar 22, 2007 | Mar 22, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E. #13 | 9,500 | 42734102 |
| 635195 | Mar 22, 2007 | Mar 22, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Orive, A. #10 | 9,000 | 42734100 |
| 634886 | Mar 19, 2007 | Mar 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #70 | 9,300 | 42734097 |
| 633545 | Feb 16, 2007 | Feb 16, 2007 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Zamora Unit #1 | 9,300 | 21531614 |
| 632929 | Feb 6, 2007 | Feb 6, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #13 | 11,000 | 42734088 |
| 632750 | Feb 2, 2007 | Feb 2, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #14 | 10,800 | 42734087 |
| 632750Amendment | Feb 2, 2007 | Feb 2, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #14 | 9,000 | 42734087 |
| 632556 | Jan 29, 2007 | Jan 29, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #10 | 9,792 | 42734003 |
| 630341 | Jan 25, 2007 | Jan 25, 2007 | Kerr-McGee Oil & Gas Onshore LP | Starr | Reilly Heirs #33 | 9,500 | 42734069 |
| 630658 | Dec 19, 2006 | Dec 19, 2006 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Hidalgo-Willacy #10B | 7,640 | 21531772 |
| 630615 | Dec 18, 2006 | Dec 18, 2006 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Hidalgo-Willacy #8B | 8,730 | 21531734 |
| 630610 | Dec 18, 2006 | Dec 18, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, J. F.-State #29 | 9,500 | 42734074 |
| 630384 | Dec 13, 2006 | Dec 13, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L&L Co. -C- #18 | 9,500 | 42734071 |
| 630384Amendment | Dec 13, 2006 | Dec 13, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L & L Co. -C- #18 | 9,500 | 42734071 |
| 629196 | Nov 17, 2006 | Nov 17, 2006 | Kerr-McGee Oil & Gas Onshore LP | Brooks | Lasater, Garland #2 | 9,602 | 04731898 |
| 629164 | Nov 17, 2006 | Nov 17, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #12 | 11,000 | 42734062 |
| 628086 | Oct 26, 2006 | Oct 26, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -B- #25 | 5,100 | 42733564 |
| 627412 | Oct 12, 2006 | Oct 12, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, C.M. #16 | 7,180 | 42732364 |
| 626108 | Sep 19, 2006 | Sep 19, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Chapotal Land Co. -A- #30 | 7,900 | 42734040 |
| 625958 | Sep 14, 2006 | Sep 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Edinburg Improvement Assoc. G.U. #2 | 8,600 | 21532026 |
| 625958Amendment | Sep 14, 2006 | Sep 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Edinburg Improvement Assoc. G.U. #2 | 8,600 | 21532026 |
| 625630 | Sep 8, 2006 | Sep 8, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #11 | 10,500 | 42734037 |
| 625630Amendment | Sep 8, 2006 | Sep 8, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #11 | 10,500 | 42734037 |
| 625629 | Sep 8, 2006 | Sep 8, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Montalvo, I. V. -B- #15 | 7,800 | 42734036 |
| 625628 | Sep 8, 2006 | Sep 8, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #69 | 8,300 | 42734035 |
| 625365 | Sep 5, 2006 | Sep 5, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | McKinney, Amanda #37 | 9,500 | 42734032 |
| 625364 | Sep 5, 2006 | Sep 5, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | McKinney, Amanda #34 | 7,000 | 42734031 |
| 625364Amendment | Sep 5, 2006 | Sep 5, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | McKinney, Amanda #34 | 7,000 | 42734031 |
| 625266 | Aug 31, 2006 | Aug 31, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Montalvo, N. R. #16 | 8,000 | 42734029 |
| 625265 | Aug 31, 2006 | Aug 31, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, J. F. State #28 | 7,800 | 42734028 |
| 625265Amendment | Aug 31, 2006 | Aug 31, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, J. F. State #28 | 7,800 | 42734028 |
| 625265Amendment | Aug 31, 2006 | Aug 31, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hall, J. F. State #28 | 7,800 | 42734028 |
| 624983 | Aug 28, 2006 | Aug 28, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E #10 | 6,882 | 42733966 |
| 624953 | Aug 25, 2006 | Aug 25, 2006 | Kerr-McGee Oil & Gas Onshore LP | Chambers | White Estate -A- #14 | 9,520 | 07132219 |
| 624428 | Aug 16, 2006 | Aug 16, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #23 | 10,600 | 47939627 |
| 624399 | Aug 15, 2006 | Aug 15, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #1 | 9,560 | 47933661 |
| 624095 | Aug 10, 2006 | Aug 10, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E. #12 | 9,500 | 42734024 |
| 624095Amendment | Aug 10, 2006 | Aug 10, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Hermann, E. #12 | 9,500 | 42734024 |
| 623797 | Aug 3, 2006 | Aug 3, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B.G. #59 | 6,810 | 42733910 |
| 623478 | Jul 31, 2006 | Jul 31, 2006 | Kerr-McGee Oil & Gas Onshore LP | Hidalgo | Heard Gas Unit 2 #3 | 9,000 | 21531865 |
| 623207 | Jul 25, 2006 | Jul 25, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Gas Unit #8 | 9,900 | 42734012 |
| 622994 | Jul 24, 2006 | Jul 24, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #68 | 8,400 | 42734007 |
| 621658 | Jul 21, 2006 | Jul 21, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Alvarez-Hinojosa Gas Unit #6 | 8,600 | 42733996 |
| 622935 | Jul 20, 2006 | Jul 20, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Frost National Bank -A- #10 | 10,000 | 42734003 |
| 622587 | Jul 14, 2006 | Jul 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #26 | 10,600 | 47939581 |
| 622587Amendment | Jul 14, 2006 | Jul 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #26 | 10,600 | 47939581 |
| 622586 | Jul 14, 2006 | Jul 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #25 | 10,600 | 47939580 |
| 622585 | Jul 14, 2006 | Jul 14, 2006 | Kerr-McGee Oil & Gas Onshore LP | Webb | McKendrick #24 | 10,600 | 47939579 |
| 622061 | Jul 6, 2006 | Jul 6, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | Garcia L&L Co. -C- #17 | 9,700 | 42734001 |
| 621630 | Jun 27, 2006 | Jun 27, 2006 | Kerr-McGee Oil & Gas Onshore LP | Starr | De Garcia, B. G. #67 | 8,500 | 42733995 |