| 544116Amendment | Apr 15, 2004 | Apr 15, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D185 | 4,650 | 39132578 |
| 544410 | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 85 | 4,900 | 39132582 |
| 544409 | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | O'Connor, Dennis T al -L- #L 29 | 5,818 | 39100347 |
| 544408 | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | T-C Oil Co.-O'Connor #91 | 4,900 | 39132584 |
| 544406 | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 84 | 4,900 | 39132581 |
| 544404 | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 86 | 4,900 | 39132583 |
| 544404Amendment | Apr 14, 2004 | Apr 14, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 86 | 4,900 | 39132583 |
| 544296 | Apr 14, 2004 | Apr 14, 2004 | Hilcorp Energy Company | Heard, Fannie V. W., Mrs. #116 | 4,600 | 39132579 |
| 544296Amendment | Apr 14, 2004 | Apr 14, 2004 | Hilcorp Energy Company | Heard, Fannie V. W., Mrs. #116 | 4,600 | 39132579 |
| 544295 | Apr 12, 2004 | Apr 12, 2004 | Hilcorp Energy Company | O'Connor, Thomas "C" #3G | 5,900 | 39101140 |
| 543814 | Apr 5, 2004 | Apr 5, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D187 | 4,650 | 39132575 |
| 543814Amendment | Apr 5, 2004 | Apr 5, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D187 | 4,650 | 39132575 |
| 543816 | Apr 2, 2004 | Apr 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D186 | 4,650 | 39132577 |
| 543816Amendment | Apr 2, 2004 | Apr 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D186 | 4,650 | 39132577 |
| 543815 | Apr 2, 2004 | Apr 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D184 | 4,650 | 39132576 |
| 543696 | Mar 26, 2004 | Mar 26, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D183 | 4,650 | 39132574 |
| 543696Amendment | Mar 26, 2004 | Mar 26, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D183 | 4,650 | 39132574 |
| 543523 | Mar 23, 2004 | Mar 23, 2004 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #46 | 5,923 | 39100568 |
| 543420 | Mar 18, 2004 | Mar 18, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D182 | 4,650 | 39132573 |
| 543121 | Mar 17, 2004 | Mar 17, 2004 | Hilcorp Energy Company | O'Connor, Thomas "C" #13 | 5,960 | 39101563 |
| 543036 | Mar 10, 2004 | Mar 10, 2004 | Emerald Oil & Gas LC | O'Brien, J.J. #202 | 7,000 | 39132411 |
| 542776 | Mar 3, 2004 | Mar 3, 2004 | Primrose Operating Company | O'Connor, Thomas #8 | 9,000 | 39132572 |
| 542776Amendment | Mar 3, 2004 | Mar 3, 2004 | Primrose Operating Company | O'Connor, Thomas #8 | 9,000 | 39132572 |
| 542754 | Mar 3, 2004 | Mar 3, 2004 | T - C Oil Company | O'Connor, T-C Oil Co. #79 | 4,490 | 39131799 |
| 542753 | Mar 3, 2004 | Mar 3, 2004 | T - C Oil Company | O'Connor, T-C Oil Co. #57 | 4,500 | 39130279 |
| 542194 | Feb 23, 2004 | Feb 23, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D 1G | 6,100 | 39100298 |
| 542194Amendment | Feb 23, 2004 | Feb 23, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D 1G | 6,100 | 39100298 |
| 542123 | Feb 17, 2004 | Feb 17, 2004 | Laroco LLP | Rooke, B.D. #41 | 6,760 | 39103389 |
| 541993 | Feb 12, 2004 | Feb 12, 2004 | T - C Oil Company | O'Connor -D- #D 36 | 4,500 | 39131448 |
| 541856 | Feb 12, 2004 | Feb 12, 2004 | Hilcorp Energy Company | Lambert, M.F. #153 | 6,500 | 39132571 |
| 541793 | Feb 12, 2004 | Feb 12, 2004 | Hilcorp Energy Company | O'Connor, Thomas "A" #50 | 5,951 | 39101468 |
| 541792 | Feb 12, 2004 | Feb 12, 2004 | Hilcorp Energy Company | O'Connor, Thomas "A" #31 | 5,883 | 39101546 |
| 541791 | Feb 12, 2004 | Feb 12, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D 88 | 8,000 | 39130424 |
| 541791Amendment | Feb 12, 2004 | Feb 12, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D 88 | 8,000 | 39130424 |
| 541584 | Feb 9, 2004 | Feb 9, 2004 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P006G | 5,412 | 39101496 |
| 541731 | Feb 6, 2004 | Feb 6, 2004 | Acock/Anaqua Operating Co., LC | Scanio/Shelton #1 | 7,000 | 39132550 |
| 541524 | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #36 | 4,900 | 39132570 |
| 541523 | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #40 | 4,900 | 39132569 |
| 541522 | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #39 | 4,900 | 39132568 |
| 541522Amendment | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #39 | 4,900 | 39132568 |
| 541521 | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #38 | 4,900 | 39132567 |
| 541520 | Feb 2, 2004 | Feb 2, 2004 | Gilster, Ralph R. III | WLP #37 | 4,900 | 39132566 |
| 541519 | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 83 | 4,800 | 39132565 |
| 541519Amendment | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 83 | 4,900 | 39132565 |
| 541518 | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 82 | 4,800 | 39132564 |
| 541517 | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 81 | 4,800 | 39132563 |
| 541516 | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 80 | 4,800 | 39132562 |
| 541515 | Feb 2, 2004 | Feb 2, 2004 | T - C Oil Company | O'Connor, Dennis et al -L- #L 79 | 4,800 | 39132561 |
| 541139 | Jan 27, 2004 | Jan 27, 2004 | Hilcorp Energy Company | Tom O'Connor (5730 Ft. SD) Unit #A 29 | 5,925 | 39100437 |
| 541044 | Jan 21, 2004 | Jan 21, 2004 | Ampak Oil Company | Bengtson #2 | 5,000 | 39132560 |
| 540750 | Jan 20, 2004 | Jan 20, 2004 | Christopher Oil & Gas Inc | Hartman et Al #1 | 8,550 | 39131771 |
| 540791 | Jan 16, 2004 | Jan 16, 2004 | Hilcorp Energy Company | O'Connor, Thomas "C" #81 | 6,116 | 39131609 |
| 540753 | Jan 15, 2004 | Jan 15, 2004 | Cummins & Walker Oil Co., Inc. | O'Connor, M. V Est #5 | 7,200 | 39132559 |
| 540753Amendment | Jan 15, 2004 | Jan 15, 2004 | Cummins & Walker Oil Co., Inc. | O'Connor, M. V Est #5 | 7,200 | 39132559 |
| 540617 | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #25 | 4,800 | 39132558 |
| 540617Amendment | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #25 | 4,900 | 39132558 |
| 540545 | Jan 15, 2004 | Jan 15, 2004 | Hilcorp Energy Company | Heard, Ira "A" #4 | 5,942 | 39100739 |
| 540010 | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #33 | 4,900 | 39132552 |
| 540010Amendment | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #33 | 4,900 | 39132552 |
| 540009 | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #34 | 4,900 | 39132553 |
| 540009Amendment | Jan 15, 2004 | Jan 15, 2004 | Gilster, Ralph R. III | WLP #34 | 4,900 | 39132553 |
| 540360 | Jan 7, 2004 | Jan 7, 2004 | Hilcorp Energy Company | Heard, Claude E. et Al #33 | 6,219 | 39100659 |
| 540196 | Jan 7, 2004 | Jan 7, 2004 | Hilcorp Energy Company | Heard, Claude E. et Al #3 | 6,169 | 39100649 |
| 540167 | Jan 7, 2004 | Jan 7, 2004 | Christopher Oil & Gas Inc | Schirmer-Buck "a" Unit #1 | 6,500 | 39132432 |
| 540200 | Jan 2, 2004 | Jan 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D180 | 6,200 | 39132557 |
| 540199 | Jan 2, 2004 | Jan 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D179 | 6,200 | 39132556 |
| 540198 | Jan 2, 2004 | Jan 2, 2004 | Hilcorp Energy Company | Williams, Maude et al "A" #D181 | 6,200 | 39132555 |
| 540012 | Dec 22, 2003 | Dec 22, 2003 | Gilster, Ralph R. III | WLP #35 | 4,900 | 39132554 |
| 540011 | Dec 22, 2003 | Dec 22, 2003 | Gilster, Ralph R. III | WLP #26 | 4,900 | 39132551 |
| 539823 | Dec 22, 2003 | Dec 22, 2003 | Hilcorp Energy Company | Lambert, M. F. #15 | 6,507 | 39101210 |
| 539823Amendment | Dec 22, 2003 | Dec 22, 2003 | Hilcorp Energy Company | Lambert, M. F. #15 | 6,507 | 39101210 |
| 539101 | Dec 19, 2003 | Dec 19, 2003 | 38 Oil & Gas, L.L.C. | Rooke, P. H. #48 | 6,232 | 39103043 |
| 537415 | Dec 15, 2003 | Dec 15, 2003 | Hilcorp Energy Company | Mary Claire Bauer, et Vir #10 | 6,688 | 39130128 |
| 538319 | Dec 9, 2003 | Dec 9, 2003 | Hilcorp Energy Company | O'Connor, Thomas "C" #84 | 6,100 | 39131612 |
| 538424 | Dec 5, 2003 | Dec 5, 2003 | T - C Oil Company | T-C Oil Co.-O'Connor #15 | 5,600 | 39100364 |
| 539029 | Dec 2, 2003 | Dec 2, 2003 | Hilcorp Energy Company | O'Connor, Thomas "A" #118 | 6,203 | 39132502 |
| 539029Amendment | Dec 2, 2003 | Dec 2, 2003 | Hilcorp Energy Company | O'Connor, Thomas "A" #118 | 6,203 | 39132502 |
| 539018 | Nov 25, 2003 | Nov 25, 2003 | Acock/Anaqua Operating Co., LC | Scanio/Shelton, Etal #1 | 7,000 | 39132550 |
| 539018Amendment | Nov 25, 2003 | Nov 25, 2003 | Acock/Anaqua Operating Co., LC | Scanio/Shelton #1 | 7,000 | 39132550 |
| 538900 | Nov 24, 2003 | Nov 24, 2003 | Hilcorp Energy Company | O'Connor, Thomas "C" #51 | 5,915 | 39101143 |
| 538900Amendment | Nov 24, 2003 | Nov 24, 2003 | Hilcorp Energy Company | O'Connor, Thomas "C" #51 | 5,915 | 39101143 |
| 538423 | Nov 24, 2003 | Nov 24, 2003 | T - C Oil Company | T-C Oil Co.-O'Connor #58 | 4,490 | 39130383 |
| 538526 | Nov 13, 2003 | Nov 13, 2003 | Cummins & Walker Oil Co., Inc. | O'Connor, M V #4 | 6,150 | 39132549 |
| 538526Amendment | Nov 13, 2003 | Nov 13, 2003 | Cummins & Walker Oil Co., Inc. | O'Connor, M V Est #4 | 6,150 | 39132549 |
| 538182 | Nov 12, 2003 | Nov 12, 2003 | Hilcorp Energy Company | Heard, Clement #19 | 7,778 | 39130163 |
| 538180 | Nov 7, 2003 | Nov 7, 2003 | Hilcorp Energy Company | O'Connor, Thomas "C" #66 | 4,515 | 39101180 |
| 538179 | Nov 7, 2003 | Nov 7, 2003 | Hilcorp Energy Company | O'Connor, Thomas "C" #60 | 4,515 | 39101156 |
| 538166 | Nov 7, 2003 | Nov 7, 2003 | Hilcorp Energy Company | Williams, Maude et al "A" #D 98 | 8,171 | 39131247 |
| 538311 | Nov 6, 2003 | Nov 6, 2003 | Double Play Oil & Gas, Inc | Wood #1 | 6,100 | 39132548 |
| 538181 | Nov 5, 2003 | Nov 5, 2003 | Hilcorp Energy Company | Heard, Clement #35 | 6,200 | 39132518 |
| 536909 | Nov 5, 2003 | Nov 5, 2003 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #52 | 5,900 | 39100705 |
| 537943 | Oct 29, 2003 | Oct 29, 2003 | Hilcorp Energy Company | Claude E. Heard et Al #34 | 6,290 | 39100662 |
| 537709 | Oct 28, 2003 | Oct 28, 2003 | Hilcorp Energy Company | Williams, Maude et al "A" #D177 | 6,200 | 39132546 |
| 537708 | Oct 28, 2003 | Oct 28, 2003 | Hilcorp Energy Company | Williams, Maude et al "A" #D176 | 6,200 | 39132545 |
| 537707 | Oct 28, 2003 | Oct 28, 2003 | Hilcorp Energy Company | Williams, Maude et al "A" #D178 | 6,200 | 39132547 |
| 537635 | Oct 27, 2003 | Oct 27, 2003 | Hilcorp Energy Company | Lambert, M. F. #58 | 5,915 | 39101343 |
| 537466 | Oct 17, 2003 | Oct 17, 2003 | Hilcorp Energy Company | Heard, Ira "A" #13 | 8,150 | 39130142 |
| 537466Amendment | Oct 17, 2003 | Oct 17, 2003 | Hilcorp Energy Company | Heard, Ira "A" #13 | 8,150 | 39130142 |
| 537461 | Oct 17, 2003 | Oct 17, 2003 | Hilcorp Energy Company | Williams, Maude et al "B" #4 | 5,928 | 39100504 |
| 537179 | Oct 8, 2003 | Oct 8, 2003 | Hilcorp Energy Company | Heard, Mrs. Fannie V. W. #19 | 5,925 | 39100688 |