| 614858 | Feb 27, 2006 | Feb 27, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Degarcia, B.G. #63 | 8,700 | 42733945 |
| 614856 | Feb 27, 2006 | Feb 27, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Degarcia, B.G. #62 | 8,700 | 42733944 |
| 613986 | Feb 10, 2006 | Feb 10, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Claypool, Colby #2 | 13,005 | 07132221 |
| 613195 | Jan 27, 2006 | Jan 27, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -B- #37 | 9,000 | 42733931 |
| 612961 | Jan 25, 2006 | Jan 25, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Chapotal Land Co -A- #29 | 10,500 | 42733930 |
| 611930 | Jan 5, 2006 | Jan 5, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -B- #38 | 8,400 | 42733920 |
| 611053 | Dec 15, 2005 | Dec 15, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #12 | 8,900 | 42733079 |
| 611024 | Dec 15, 2005 | Dec 15, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #61 | 8,500 | 42733915 |
| 610689 | Dec 7, 2005 | Dec 7, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | State Tract 178 A #1 | 17,500 | 07132322 |
| 610001 | Nov 23, 2005 | Nov 23, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #59 | 8,000 | 42733910 |
| 610001Amendment | Nov 23, 2005 | Nov 23, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #59 | 8,000 | 42733910 |
| 609996 | Nov 23, 2005 | Nov 23, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #60 | 8,100 | 42733909 |
| 609996Amendment | Nov 23, 2005 | Nov 23, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #60 | 8,100 | 42733909 |
| 609695 | Nov 17, 2005 | Nov 17, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Roose-Smith Unit #1 | 9,900 | 07132321 |
| 608326 | Oct 24, 2005 | Oct 24, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Jackson, Felix et Al #78 | 9,500 | 07132318 |
| 607814 | Oct 24, 2005 | Oct 24, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Cardenas, R.R. #7 | 10,000 | 42733895 |
| 607814Amendment | Oct 24, 2005 | Oct 24, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Cardenas, R. R. #7 | 10,000 | 42733895 |
| 608165 | Oct 19, 2005 | Oct 19, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #58 | 8,000 | 42733899 |
| 608090 | Oct 19, 2005 | Oct 19, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Cardenas, R. R. #8 | 8,200 | 42733898 |
| 607587 | Oct 10, 2005 | Oct 10, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Speer, Geo. H. St. "B" #26 | 6,515 | 42732981 |
| 607459 | Oct 6, 2005 | Oct 6, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #56 | 8,000 | 42733894 |
| 607373 | Oct 5, 2005 | Oct 5, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -B- #36 | 9,000 | 42733835 |
| 607371 | Oct 5, 2005 | Oct 5, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Speer, Geo. H. St. "B" #27 | 6,543 | 42733058 |
| 607300 | Oct 4, 2005 | Oct 4, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #18 | 12,000 | 42733892 |
| 607300Amendment | Oct 4, 2005 | Oct 4, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #18 | 12,800 | 42733892 |
| 607104 | Sep 29, 2005 | Sep 29, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #57 | 8,500 | 42733891 |
| 606480 | Sep 19, 2005 | Sep 19, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Colby-Claypool #1 | 12,855 | 07130931 |
| 605993 | Sep 9, 2005 | Sep 9, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #54 | 8,500 | 42733883 |
| 605992 | Sep 8, 2005 | Sep 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #55 | 8,000 | 42733882 |
| 605992Amendment | Sep 8, 2005 | Sep 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #55 | 8,000 | 42733882 |
| 604940 | Aug 15, 2005 | Aug 15, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Reilly Heirs #32 | 8,500 | 42733873 |
| 604940Amendment | Aug 15, 2005 | Aug 15, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Reilly Heirs #32 | 8,500 | 42733873 |
| 604628 | Aug 9, 2005 | Aug 9, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Alvarez-Hinojosa Gas Unit #5 | 8,100 | 42733870 |
| 604628Amendment | Aug 9, 2005 | Aug 9, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Alvarez-Hinojosa Gas Unit #5 | 8,100 | 42733870 |
| 604510 | Aug 8, 2005 | Aug 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-38 #1 | 18,000 | 19932980 |
| 604510Amendment | Aug 8, 2005 | Aug 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-38 #1 | 18,000 | 19932980 |
| 604481 | Aug 5, 2005 | Aug 5, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate C #17 | 10,000 | 42733350 |
| 604263 | Aug 2, 2005 | Aug 2, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hermann, E. #9 | 8,000 | 42733865 |
| 603895 | Jul 25, 2005 | Jul 25, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Semmes Trust et al 906 #5 | 8,100 | 42733320 |
| 603535 | Jul 15, 2005 | Jul 15, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Speer, Geo. H. State -D- #8 | 9,700 | 42733857 |
| 603346 | Jul 13, 2005 | Jul 13, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T. B. B-232 #196 | 6,600 | 42733447 |
| 603346Amendment | Jul 13, 2005 | Jul 13, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T. B. B-232 #196 | 6,600 | 42733447 |
| 603221 | Jul 12, 2005 | Jul 12, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A. G. Hermann Gas Unit #11 | 8,500 | 42733854 |
| 603153 | Jul 8, 2005 | Jul 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #51 | 8,000 | 42733853 |
| 603153Amendment | Jul 8, 2005 | Jul 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #51 | 8,000 | 42733853 |
| 602651 | Jun 28, 2005 | Jun 28, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate -A- #14 | 13,630 | 07132219 |
| 602651Amendment | Jun 28, 2005 | Jun 28, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate -A- #14 | 13,630 | 07132219 |
| 602145 | Jun 16, 2005 | Jun 16, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-3 #1 | 16,800 | 19932913 |
| 601908 | Jun 13, 2005 | Jun 13, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Oryx-Sun Fee #3 | 10,692 | 07132093 |
| 601793 | Jun 8, 2005 | Jun 8, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L -B- #7 | 6,570 | 42733541 |
| 561258 | Jun 7, 2005 | Jun 7, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #50 | 8,000 | 42733831 |
| 558619Amendment | Jun 6, 2005 | Jun 6, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Jackson, Felix et Al #77 | 9,800 | 07132295 |
| 600858 | May 18, 2005 | May 18, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Colby, Fred "A" #4 | 14,800 | 07132301 |
| 600697 | May 17, 2005 | May 17, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B. G. #53 | 8,000 | 42733840 |
| 600548 | May 11, 2005 | May 11, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garcia, B.G. #52 | 8,000 | 42733839 |
| 600116 | May 11, 2005 | May 11, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A.G. Hermann Gas Unit #10 | 8,500 | 42733834 |
| 600422 | May 10, 2005 | May 10, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-3 #3 | 5,000 | 19932972 |
| 600280 | May 5, 2005 | May 5, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -B- #36 | 9,000 | 42733835 |
| 561163 | Apr 27, 2005 | Apr 27, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-17 #1 | 16,000 | 19932970 |
| 561163Amendment | Apr 27, 2005 | Apr 27, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-17 #1 | 13,710 | 19932970 |
| 559943 | Apr 4, 2005 | Apr 4, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Wakefield, C.L. Trustee #5 | 8,830 | 07102035 |
| 558619 | Apr 1, 2005 | Apr 1, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Jackson, Felix et Al #77 | 9,800 | 07132295 |
| 559167 | Mar 17, 2005 | Mar 17, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Laurel, D. #17 | 8,600 | 42733822 |
| 558895 | Mar 11, 2005 | Mar 11, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Frost, J. M. Unit #1ST | 12,200 | 07132240 |
| 558894 | Mar 11, 2005 | Mar 11, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Montalvo, N. R. #15 | 6,144 | 42733402 |
| 558890 | Mar 11, 2005 | Mar 11, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Cooper, E. #1 | 10,900 | 07132296 |
| 558378 | Mar 9, 2005 | Mar 9, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A. G. Hermann Gas Unit #9 | 8,000 | 42733817 |
| 558380 | Mar 1, 2005 | Mar 1, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T.B. Est. A-265 #211 | 7,500 | 42733818 |
| 555805 | Jan 6, 2005 | Jan 6, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T.B. State HB-222 #205 | 7,100 | 42733800 |
| 555803 | Jan 6, 2005 | Jan 6, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Semmes Trust 906 #10 | 7,000 | 42733799 |
| 555803Amendment | Jan 6, 2005 | Jan 6, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Semmes Trust 906 #10 | 7,000 | 42733799 |
| 554827 | Dec 14, 2004 | Dec 14, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick State H-536 Unit #1 | 8,000 | 42733789 |
| 554827Amendment | Dec 14, 2004 | Dec 14, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick State H-536 Unit #1 | 8,000 | 42733789 |
| 553557 | Dec 9, 2004 | Dec 9, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L Co. -B- #9 | 8,000 | 42733778 |
| 554587 | Dec 8, 2004 | Dec 8, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Blanke-Acom Unit #B 2ST | 11,000 | 07131095 |
| 554587Amendment | Dec 8, 2004 | Dec 8, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Blanke-Acom Unit #B 2ST | 11,000 | 07131095 |
| 553901 | Nov 19, 2004 | Nov 19, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Barrow, R.J. #18 | 10,200 | 07132284 |
| 553901Amendment | Nov 19, 2004 | Nov 19, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Barrow, R.J. #18 | 10,400 | 07132284 |
| 553275 | Nov 5, 2004 | Nov 5, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A. G. Hermann Gas Unit #8 | 8,000 | 42733777 |
| 553274 | Nov 5, 2004 | Nov 5, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-3 #2 | 16,000 | 19932943 |
| 553274Amendment | Nov 5, 2004 | Nov 5, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Hardin | BP America A-3 #2 | 16,000 | 19932943 |
| 552937 | Oct 28, 2004 | Oct 28, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Alvarez-Hinojosa Unit (Upper) #2 | 5,930 | 42732343 |
| 552083 | Oct 8, 2004 | Oct 8, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Montalvo, N.R. #15L | 6,700 | 42733402 |
| 551739 | Oct 8, 2004 | Oct 8, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #36 | 8,250 | 42733764 |
| 551739Amendment | Oct 8, 2004 | Oct 8, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #36 | 9,500 | 42733764 |
| 551851 | Oct 4, 2004 | Oct 4, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White, J. T. Estate "B" #2 | 9,000 | 07132283 |
| 551851Amendment | Oct 4, 2004 | Oct 4, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White, J. T. Estate "B" #2 | 9,000 | 07132283 |
| 551692 | Sep 29, 2004 | Sep 29, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Speer, Geo. H. State -D- #7 | 11,000 | 42733763 |
| 551564 | Sep 27, 2004 | Sep 27, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I Y #37 | 10,300 | 42733762 |
| 551275 | Sep 21, 2004 | Sep 21, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | McKinney, Amanda #33 | 5,500 | 42733759 |
| 551275Amendment | Sep 21, 2004 | Sep 21, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | McKinney, Amanda #33 | 5,500 | 42733759 |
| 551122 | Sep 16, 2004 | Sep 16, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L Co. -B- #8 | 8,000 | 42733757 |
| 550103 | Aug 25, 2004 | Aug 25, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T B Est -B- 486 #170 | 5,709 | 42732216 |
| 550098 | Aug 25, 2004 | Aug 25, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Jasper | Hilgemeier Family Trust Gas UT #1 | 8,900 | 24130711 |
| 550098Amendment | Aug 25, 2004 | Aug 25, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Jasper | Hilgemeier Family Trust Gas Unit #1 | 7,751 | 24130711 |
| 550069 | Aug 24, 2004 | Aug 24, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White, J. T. Estate "B" #1 | 9,000 | 07132278 |
| 550069Amendment | Aug 24, 2004 | Aug 24, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White, J. T. Estate "B" #1 | 9,000 | 07132278 |
| 549961 | Aug 23, 2004 | Aug 23, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Jasper | BP America A-477 #1 | 5,600 | 24130710 |
| 549961Amendment | Aug 23, 2004 | Aug 23, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Jasper | BP America A-477 #1 | 5,600 | 24130710 |
| 549302 | Aug 9, 2004 | Aug 9, 2004 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T. B. Est. -B- 232 #151 | 5,100 | 42704927 |