| 699166Amendment | Jul 23, 2010 | Jul 23, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #11 | 6,200 | 39101823 |
| 699059 | Jul 22, 2010 | Jul 22, 2010 | Hilcorp Energy Company | Maude Williams et al "B" #2 | 5,935 | 39100512 |
| 699059Amendment | Jul 22, 2010 | Jul 22, 2010 | Hilcorp Energy Company | Maude Williams et al "B" #2 | 5,935 | 39100512 |
| 698960 | Jul 15, 2010 | Jul 15, 2010 | T - C Oil Company | River Ranch -B- State Unit #5 | 4,500 | 39132964 |
| 698918 | Jul 15, 2010 | Jul 15, 2010 | T - C Oil Company | O'Connor -H- #H 35 | 4,500 | 39132963 |
| 698820 | Jul 14, 2010 | Jul 14, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #32 | 6,000 | 39101811 |
| 698718 | Jul 13, 2010 | Jul 13, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D114 | 8,040 | 39131309 |
| 698678 | Jul 13, 2010 | Jul 13, 2010 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W526B | 6,104 | 39131617 |
| 698069 | Jul 2, 2010 | Jul 2, 2010 | Salida Exploration, LLC | Roche #10 | 7,800 | 39132961 |
| 698362 | Jul 1, 2010 | Jul 1, 2010 | Hilcorp Energy Company | Maude Williams et al "C" #9 | 6,400 | 39132962 |
| 698100 | Jun 25, 2010 | Jun 25, 2010 | Valence Operating Company | J.F. Welder Heirs #3 | 4,916 | 39130436 |
| 697897 | Jun 22, 2010 | Jun 22, 2010 | Acock/Anaqua Operating Co., LP | J. J. O'Brien a-9 (SO) #A 9 | 6,500 | 39132960 |
| 697776 | Jun 18, 2010 | Jun 18, 2010 | Hilcorp Energy Company | M. F. Lambert #67 | 5,900 | 39101324 |
| 697557 | Jun 17, 2010 | Jun 17, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #36 | 6,000 | 39101841 |
| 697555 | Jun 17, 2010 | Jun 17, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #34 | 6,125 | 39101836 |
| 697552 | Jun 17, 2010 | Jun 17, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 46 | 4,650 | 39130173 |
| 697549 | Jun 17, 2010 | Jun 17, 2010 | Hilcorp Energy Company | M. F. Lambert #52 | 5,865 | 39101430 |
| 696467 | Jun 16, 2010 | Jun 16, 2010 | Cambrian Management, Ltd. | O'Connor, Thomas #8 | 6,304 | 39132572 |
| 697340 | Jun 15, 2010 | Jun 15, 2010 | Hilcorp Energy Company | M. F. Lambert #122 | 6,000 | 39101446 |
| 697527 | Jun 14, 2010 | Jun 14, 2010 | T - C Oil Company | River Ranch -B- State Unit #4 | 4,500 | 39132959 |
| 697317 | Jun 14, 2010 | Jun 14, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #47 | 5,925 | 39100569 |
| 696326 | May 28, 2010 | May 28, 2010 | Hilcorp Energy Company | M. F. Lambert #212 | 8,288 | 39132696 |
| 696612 | May 27, 2010 | May 27, 2010 | Kebo Oil & Gas, Inc. | Shelton #7 | 7,350 | 39132958 |
| 696370 | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #6G | 5,928 | 39101142 |
| 696356 | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Mary Claire Bauer et Vir #8 | 5,925 | 39100757 |
| 696356Amendment | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Mary Claire Bauer et Vir #8 | 5,925 | 39100757 |
| 696344 | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 21 | 6,200 | 39100282 |
| 696344Amendment | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 21 | 6,200 | 39100282 |
| 696325 | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 3G | 6,100 | 39100220 |
| 696325Amendment | May 26, 2010 | May 26, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 3G | 6,100 | 39100220 |
| 696237 | May 20, 2010 | May 20, 2010 | Pool Operating Corporation | Rooke #1 | 6,500 | 39132957 |
| 695339 | May 11, 2010 | May 11, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #87 | 4,500 | 39130047 |
| 695600 | May 10, 2010 | May 10, 2010 | T - C Oil Company | O'Connor -H- #H 34 | 5,000 | 39132956 |
| 695600Amendment | May 10, 2010 | May 10, 2010 | T - C Oil Company | O'Connor -H- #H 34 | 5,000 | 39132956 |
| 695596 | May 10, 2010 | May 10, 2010 | T - C Oil Company | River Ranch -a-/Williams State U #11 | 5,000 | 39132955 |
| 695596Amendment | May 10, 2010 | May 10, 2010 | T - C Oil Company | River Ranch -a-/Williams State U #11 | 3,500 | 39132955 |
| 695344 | May 7, 2010 | May 7, 2010 | Hilcorp Energy Company | Thomas O'Connor "A" #42 | 5,925 | 39101517 |
| 695309 | May 6, 2010 | May 6, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W503A | 5,929 | 39100840 |
| 695135 | May 3, 2010 | May 3, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #92 | 4,500 | 39130059 |
| 695098 | May 3, 2010 | May 3, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #10 | 5,927 | 39100679 |
| 695024 | Apr 27, 2010 | Apr 27, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W414A | 5,923 | 39100552 |
| 695011 | Apr 26, 2010 | Apr 26, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 88 | 8,000 | 39130424 |
| 694829 | Apr 23, 2010 | Apr 23, 2010 | Acock/Anaqua Operating Co., LP | Miguelita Scanio #24 | 8,200 | 39132954 |
| 694829Amendment | Apr 23, 2010 | Apr 23, 2010 | Acock/Anaqua Operating Co., LP | Miguelita Scanio #24 | 8,200 | 39132954 |
| 694010Amendment | Apr 23, 2010 | Apr 23, 2010 | Hilcorp Energy Company | Clement Heard #1 | 5,911 | 39100838 |
| 694061 | Apr 20, 2010 | Apr 20, 2010 | Maran Oil Company | Mary Alice Anderson et al -A- #A 14 | 7,000 | 39132953 |
| 694262 | Apr 19, 2010 | Apr 19, 2010 | Atinum Operating, Inc. | Schirmer, Henry #18 | 5,532 | 39132156 |
| 693967 | Apr 12, 2010 | Apr 12, 2010 | Hilcorp Energy Company | Claude E. Heard et Al #3 | 6,169 | 39100649 |
| 693967Amendment | Apr 12, 2010 | Apr 12, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W403A | 6,169 | 39100649 |
| 693966 | Apr 12, 2010 | Apr 12, 2010 | Hilcorp Energy Company | Claude E. Heard et Al #33 | 6,219 | 39100659 |
| 693744 | Apr 1, 2010 | Apr 1, 2010 | Hilcorp Energy Company | J. A. Hynes "F" #22 | 8,149 | 39101089 |
| 693316 | Mar 30, 2010 | Mar 30, 2010 | Hilcorp Energy Company | Annie Reilly et Vir #17 | 6,756 | 39131589 |
| 693316Amendment | Mar 30, 2010 | Mar 30, 2010 | Hilcorp Energy Company | Annie Reilly et Vir #17 | 6,756 | 39131589 |
| 693312 | Mar 30, 2010 | Mar 30, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #11 | 5,925 | 39100424 |
| 693540 | Mar 29, 2010 | Mar 29, 2010 | Hilcorp Energy Company | J. A. Hynes "F" #12 | 6,820 | 39101086 |
| 692941 | Mar 24, 2010 | Mar 24, 2010 | Hilcorp Energy Company | Tom O'CONNOR(5600 Sand)fld Unit #3119WB | 6,218 | 39132708 |
| 692941Amendment | Mar 24, 2010 | Mar 24, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #119 | 6,218 | 39132708 |
| 692944 | Mar 19, 2010 | Mar 19, 2010 | Hilcorp Energy Company | Lake Pasture (FT-569) Field Unit #1196 | 6,224 | 39132679 |
| 693061 | Mar 18, 2010 | Mar 18, 2010 | Charro Operating, L.L.C. | Vidauri "F" #38 | 7,000 | 39132952 |
| 692134 | Mar 4, 2010 | Mar 4, 2010 | T - C Oil Company | River Ranch -B- State Unit #3 | 3,350 | 39132951 |
| 692130 | Mar 4, 2010 | Mar 4, 2010 | T - C Oil Company | River Ranch -B- State Unit #2 | 3,350 | 39132950 |
| 692096 | Mar 4, 2010 | Mar 4, 2010 | T - C Oil Company | O'Connor -D- #D 37 | 3,203 | 39132728 |
| 691798 | Mar 4, 2010 | Mar 4, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #98 | 6,125 | 39131575 |
| 691917 | Mar 1, 2010 | Mar 1, 2010 | T - C Oil Company | Clay Pasture -B- State Unit #14 | 3,010 | 39132932 |
| 691879 | Feb 26, 2010 | Feb 26, 2010 | T - C Oil Company | Duke Ranch -J- #1 | 5,837 | 39132665 |
| 691879Amendment | Feb 26, 2010 | Feb 26, 2010 | T - C Oil Company | Duke Ranch -J- #1 | 5,837 | 39132665 |
| 691499 | Feb 25, 2010 | Feb 25, 2010 | Cambrian Management, Ltd. | O'Brien, J.M. #312 | 4,503 | 39131278 |
| 691581 | Feb 22, 2010 | Feb 22, 2010 | Hilcorp Energy Company | M. F. Lambert #214 | 9,000 | 39132794 |
| 691508 | Feb 19, 2010 | Feb 19, 2010 | T - C Oil Company | O'Connor, Joe -A- #1 | 5,824 | 39132739 |
| 691117 | Feb 19, 2010 | Feb 19, 2010 | Hilcorp Energy Company | Annie Reilly et Vir #6 | 5,976 | 39100767 |
| 691114 | Feb 19, 2010 | Feb 19, 2010 | Hilcorp Energy Company | Thomas O'Connor "D" #8 | 5,894 | 39101765 |
| 691094 | Feb 16, 2010 | Feb 16, 2010 | T - C Oil Company | O'Connor -H- #H 32 | 3,350 | 39132949 |
| 690901 | Feb 9, 2010 | Feb 9, 2010 | T - C Oil Company | T-C Oil Co.-O'Connor #50 | 5,802 | 39130219 |
| 690872 | Feb 8, 2010 | Feb 8, 2010 | T - C Oil Company | Dennis O'Connor et al -L- #L 80 | 4,634 | 39132562 |
| 690725 | Feb 5, 2010 | Feb 5, 2010 | Hilcorp Energy Company | Thomas O'Connor "A" #121 | 8,000 | 39132947 |
| 690725Amendment | Feb 5, 2010 | Feb 5, 2010 | Hilcorp Energy Company | Thomas O'Connor "A" #121 | 8,000 | 39132947 |
| 690534 | Feb 5, 2010 | Feb 5, 2010 | Coastal Plains Exploration, LLC | Rooke #2 | 7,100 | 39132948 |
| 690508 | Feb 5, 2010 | Feb 5, 2010 | Hilcorp Energy Company | Lambert Gas Unit #212 | 8,288 | 39132696 |
| 690666 | Feb 4, 2010 | Feb 4, 2010 | Kebo Oil & Gas, Inc. | Wood River Ranch "D" #1 | 6,900 | 39132946 |
| 690230 | Feb 1, 2010 | Feb 1, 2010 | Hilcorp Energy Company | Thomas O'Connor 'D' #14 | 6,400 | 39133065 |
| 689931 | Jan 29, 2010 | Jan 29, 2010 | Hilcorp Energy Company | Maude Williams et al "C" #8 | 6,400 | 39132944 |
| 689929 | Jan 29, 2010 | Jan 29, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q883 | 6,400 | 39132943 |
| 689910 | Jan 28, 2010 | Jan 28, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q820 | 5,925 | 39100428 |
| 689729 | Jan 15, 2010 | Jan 15, 2010 | Maran Oil Company | Anderson, Mary Alice et al -D- #7 | 3,000 | 39132742 |
| 689620 | Jan 13, 2010 | Jan 13, 2010 | T - C Oil Company | Baumgartner -A- #2 | 3,200 | 39132826 |
| 689617 | Jan 13, 2010 | Jan 13, 2010 | T - C Oil Company | Baumgartner -A- #1 | 3,000 | 39132825 |
| 689311 | Jan 12, 2010 | Jan 12, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W394A | 4,500 | 39130053 |
| 688083 | Jan 8, 2010 | Jan 8, 2010 | Acock/Anaqua Operating Co., LP | Ryals #1 | 7,100 | 39132940 |
| 689238 | Jan 4, 2010 | Jan 4, 2010 | T - C Oil Company | Clay Pasture -B- State Unit #21 | 3,015 | 39132876 |
| 689124 | Dec 31, 2009 | Dec 31, 2009 | Hilcorp Energy Company | Thomas O'Connor "B" #15 | 6,800 | 39101827 |
| 689095 | Dec 31, 2009 | Dec 31, 2009 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) #W352A | 5,900 | 39100705 |
| 689031 | Dec 31, 2009 | Dec 31, 2009 | Everest Resource Company | Roche Aloe #1 | 8,500 | 39132942 |
| 688672 | Dec 21, 2009 | Dec 21, 2009 | Hilcorp Energy Company | M. F. Lambert #6G | 5,412 | 39101496 |
| 688460 | Dec 21, 2009 | Dec 21, 2009 | Hilcorp Energy Company | Lambert Gas Unit #95 | 4,450 | 39101404 |
| 688667 | Dec 18, 2009 | Dec 18, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W714B | 6,745 | 39130190 |
| 688620 | Dec 18, 2009 | Dec 18, 2009 | Hilcorp Energy Company | Claude E. Heard et Al #10 | 5,925 | 39100545 |
| 688620Amendment | Dec 18, 2009 | Dec 18, 2009 | Hilcorp Energy Company | Claude E. Heard et Al #10 | 5,925 | 39100545 |
| 688620Amendment | Dec 18, 2009 | Dec 18, 2009 | Hilcorp Energy Company | Claude E. Heard et Al #10 | 5,925 | 39100545 |
| 688624 | Dec 17, 2009 | Dec 17, 2009 | Hilcorp Energy Company | Thomas O'Connor "A" #24 | 5,902 | 39101514 |
| 688458 | Dec 11, 2009 | Dec 11, 2009 | Hilcorp Energy Company | Maude Williams et al "A" #D 2G | 6,100 | 39100299 |