| 555899Amendment | Jun 20, 2005 | Jun 20, 2005 | Hilcorp Energy Company | Refugio | Heard, Ira "B" #1639130235 | 6,754 |
| 602177 | Jun 17, 2005 | Jun 17, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19639132679 | 6,500 |
| 602177Amendment | Jun 17, 2005 | Jun 17, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19639132679 | 6,500 |
| 601803 | Jun 17, 2005 | Jun 17, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #8939131898 | 8,078 |
| 601802 | Jun 9, 2005 | Jun 9, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D20039132597 | 8,200 |
| 561180Amendment | Jun 9, 2005 | Jun 9, 2005 | Hilcorp Energy Company | Refugio | Heard, Clement #2039130191 | 7,810 |
| 601316 | Jun 3, 2005 | Jun 3, 2005 | Hilcorp Energy Company | Refugio | Mrs. Fannie V. W. Heard #11839132675 | 6,400 |
| 601015 | May 26, 2005 | May 26, 2005 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W. Mrs. #3G39104056 | 5,927 |
| 601007 | May 23, 2005 | May 23, 2005 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W. Mrs. #11739132672 | 6,400 |
| 600951 | May 23, 2005 | May 23, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D13039131778 | 4,684 |
| 600950 | May 20, 2005 | May 20, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 639100272 | 5,780 |
| 600950Amendment | May 20, 2005 | May 20, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 639100272 | 5,780 |
| 600949 | May 20, 2005 | May 20, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 3G39100220 | 6,106 |
| 600837 | May 18, 2005 | May 18, 2005 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #10603903974 | 10,913 |
| 600797 | May 17, 2005 | May 17, 2005 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #4903902813 | 10,225 |
| 600362 | May 16, 2005 | May 16, 2005 | Hilcorp Energy Company | Refugio | Ira Heard 'A' #1839131883 | 7,800 |
| 600589 | May 13, 2005 | May 13, 2005 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #2039101284 | 7,300 |
| 600324 | May 10, 2005 | May 10, 2005 | Hilcorp Energy Company | Refugio | Tom O'Connor (5730 Ft.sd.) Unit #A 2739100435 | 5,925 |
| 600316 | May 9, 2005 | May 9, 2005 | Hilcorp Energy Company | Refugio | Heard, Fannie V.W. Mrs. #1139100680 | 5,857 |
| 561180 | May 2, 2005 | May 2, 2005 | Hilcorp Energy Company | Refugio | Heard, Clement #2039130191 | 7,810 |
| 561180Amendment | May 2, 2005 | May 2, 2005 | Hilcorp Energy Company | Refugio | Heard, Clement #2039130191 | 7,810 |
| 560737 | Apr 19, 2005 | Apr 19, 2005 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #24503932852 | 12,000 |
| 560371 | Apr 13, 2005 | Apr 13, 2005 | Hilcorp Energy Company | Refugio | Lambert, M.F. #15039132291 | 8,230 |
| 560200 | Apr 12, 2005 | Apr 12, 2005 | Hilcorp Energy Company | Refugio | Reily, Annie et Vir #339100764 | 5,975 |
| 560054 | Apr 6, 2005 | Apr 6, 2005 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #17703904034 | 10,869 |
| 560003 | Apr 5, 2005 | Apr 5, 2005 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #19103904048 | 10,740 |
| 558591 | Mar 14, 2005 | Mar 14, 2005 | Hilcorp Energy Company | Refugio | Lambert, M. F. #6639101323 | 5,915 |
| 558850 | Mar 10, 2005 | Mar 10, 2005 | Hilcorp Energy Company | Hardin | Houston Baptist University #619932919 | 9,500 |
| 558496 | Mar 9, 2005 | Mar 9, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 439100271 | 5,766 |
| 558721 | Mar 8, 2005 | Mar 8, 2005 | Hilcorp Energy Company | Hardin | B.P. America #319932911 | 10,000 |
| 558326 | Mar 3, 2005 | Mar 3, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #3839101152 | 5,918 |
| 558322 | Mar 3, 2005 | Mar 3, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #5039101573 | 5,895 |
| 558327 | Mar 2, 2005 | Mar 2, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 8439130363 | 8,600 |
| 558327Amendment | Mar 2, 2005 | Mar 2, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 8439130363 | 8,600 |
| 558386 | Mar 1, 2005 | Mar 1, 2005 | Hilcorp Energy Company | Jackson | K.R. Miller Unit No. 1 #1ST23932683 | 8,850 |
| 558386Amendment | Mar 1, 2005 | Mar 1, 2005 | Hilcorp Energy Company | Jackson | K.R. Miller Unit No. 1 #1ST23932683 | 9,500 |
| 558061 | Feb 28, 2005 | Feb 28, 2005 | Hilcorp Energy Company | Refugio | Tom O'Connor (5800 SD) FLD Unit #P04639101384 | 5,906 |
| 555972 | Feb 28, 2005 | Feb 28, 2005 | Hilcorp Energy Company | Refugio | Bauer, Mary Claire et Vir #939100758 | 6,000 |
| 558129 | Feb 24, 2005 | Feb 24, 2005 | Hilcorp Energy Company | Refugio | Lambert, M. F. #15639132660 | 6,500 |
| 558129Amendment | Feb 24, 2005 | Feb 24, 2005 | Hilcorp Energy Company | Refugio | Lambert, M. F. #15639132660 | 6,500 |
| 558128 | Feb 24, 2005 | Feb 24, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19539132662 | 4,650 |
| 558127 | Feb 24, 2005 | Feb 24, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19439132661 | 4,650 |
| 557684 | Feb 18, 2005 | Feb 18, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas 'C' #9039131897 | 6,100 |
| 557681 | Feb 16, 2005 | Feb 16, 2005 | Hilcorp Energy Company | Refugio | Heard, Claude E. #1939100650 | 5,925 |
| 557680 | Feb 16, 2005 | Feb 16, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #439101162 | 5,929 |
| 557432 | Feb 10, 2005 | Feb 10, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19139132655 | 4,650 |
| 557431 | Feb 10, 2005 | Feb 10, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19239132656 | 4,650 |
| 557430 | Feb 10, 2005 | Feb 10, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et All "A" #D19339132657 | 4,650 |
| 557430Amendment | Feb 10, 2005 | Feb 10, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19339132657 | 4,650 |
| 557430Amendment | Feb 10, 2005 | Feb 10, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et All "A" #D19339132657 | 4,650 |
| 556749 | Feb 1, 2005 | Feb 1, 2005 | Hilcorp Energy Company | Refugio | Reilly, Annie et Vir #639100767 | 5,976 |
| 556748 | Feb 1, 2005 | Feb 1, 2005 | Hilcorp Energy Company | Refugio | Heard, Claude E. et Al #2839100642 | 6,500 |
| 556679 | Jan 28, 2005 | Jan 28, 2005 | Hilcorp Energy Company | Refugio | Bauer, Mary Claire et Vir #639100755 | 5,941 |
| 556679Amendment | Jan 28, 2005 | Jan 28, 2005 | Hilcorp Energy Company | Refugio | Bauer, Mary Claire et Vir #639100755 | 5,941 |
| 556678 | Jan 28, 2005 | Jan 28, 2005 | Hilcorp Energy Company | Refugio | Mary Claire Bauer et Vir #1239130349 | 6,750 |
| 556813 | Jan 27, 2005 | Jan 27, 2005 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #4739132651 | 8,800 |
| 556813Amendment | Jan 27, 2005 | Jan 27, 2005 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #4739132651 | 8,800 |
| 556747 | Jan 27, 2005 | Jan 27, 2005 | Hilcorp Energy Company | Refugio | Fox, W. J. "B" #3039101111 | 6,081 |
| 555899 | Jan 18, 2005 | Jan 18, 2005 | Hilcorp Energy Company | Refugio | Heard, Ira "B" #1639130235 | 6,754 |
| 556151 | Jan 13, 2005 | Jan 13, 2005 | Hilcorp Energy Company | Goliad | O'Conner, L.W. Estate -A- #1217501863 | 5,350 |
| 555971 | Jan 12, 2005 | Jan 12, 2005 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "A" #1539101508 | 5,953 |
| 555970 | Jan 12, 2005 | Jan 12, 2005 | Hilcorp Energy Company | Refugio | Bauer, Mary Claire et Vir #839100757 | 5,925 |
| 555883 | Jan 7, 2005 | Jan 7, 2005 | Hilcorp Energy Company | Refugio | Clement Heard #2839131717 | 4,580 |
| 555560 | Jan 7, 2005 | Jan 7, 2005 | Hilcorp Energy Company | Refugio | Heard, Clement #339100840 | 5,929 |
| 555560Amendment | Jan 7, 2005 | Jan 7, 2005 | Hilcorp Energy Company | Refugio | Heard, Clement #339100840 | 5,929 |
| 555559 | Jan 6, 2005 | Jan 6, 2005 | Hilcorp Energy Company | Refugio | Bauer, Mary Claire et Vir #1 G39100759 | 5,949 |
| 555543 | Jan 3, 2005 | Jan 3, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D20239132647 | 8,700 |
| 555543Amendment | Jan 3, 2005 | Jan 3, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D20239132647 | 8,700 |
| 555542 | Jan 3, 2005 | Jan 3, 2005 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D20339132648 | 8,700 |
| 554631 | Jan 3, 2005 | Jan 3, 2005 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #3739101303 | 7,715 |
| 553993 | Dec 28, 2004 | Dec 28, 2004 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #A 4039101306 | 1,960 |
| 553988 | Dec 28, 2004 | Dec 28, 2004 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #2G39101182 | 5,950 |
| 555154 | Dec 21, 2004 | Dec 21, 2004 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #16803903948 | 9,160 |
| 554812 | Dec 16, 2004 | Dec 16, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 2439100352 | 6,100 |
| 554792 | Dec 16, 2004 | Dec 16, 2004 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. #10339131690 | 6,113 |
| 554774 | Dec 16, 2004 | Dec 16, 2004 | Hilcorp Energy Company | Refugio | Tom O'Conner (5730 Ft. SD) Unit #A 5939130171 | 5,925 |
| 554775 | Dec 15, 2004 | Dec 15, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D13139131779 | 6,100 |
| 554775Amendment | Dec 15, 2004 | Dec 15, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D13139131779 | 6,100 |
| 554775Amendment | Dec 15, 2004 | Dec 15, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D13139131779 | 6,100 |
| 554158 | Dec 3, 2004 | Dec 3, 2004 | Hilcorp Energy Company | Refugio | Lake Pasture (FS-550) Sand Unit #114839131865 | 5,907 |
| 554158Amendment | Dec 3, 2004 | Dec 3, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D14839131865 | 5,907 |
| 554158Amendment | Dec 3, 2004 | Dec 3, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D14839131865 | 5,907 |
| 554158Amendment | Dec 3, 2004 | Dec 3, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D14839131865 | 5,907 |
| 554156 | Dec 3, 2004 | Dec 3, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D19039132644 | 4,650 |
| 553338 | Dec 2, 2004 | Dec 2, 2004 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #1832100742 | 9,970 |
| 550446 | Dec 2, 2004 | Dec 2, 2004 | Hilcorp Energy Company | Galveston | Tacquard #316731407 | 13,300 |
| 553989 | Nov 29, 2004 | Nov 29, 2004 | Hilcorp Energy Company | Refugio | Lambert, M. F. #4739101385 | 5,919 |
| 552747 | Oct 27, 2004 | Oct 27, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 9839131247 | 8,171 |
| 552747Amendment | Oct 27, 2004 | Oct 27, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 9839131247 | 8,171 |
| 552708 | Oct 27, 2004 | Oct 27, 2004 | Hilcorp Energy Company | Refugio | Lambert, M. F. #14039130395 | 6,025 |
| 551584 | Oct 27, 2004 | Oct 27, 2004 | Hilcorp Energy Company | Refugio | Lambert, M.F. #11039101354 | 5,850 |
| 551187 | Oct 27, 2004 | Oct 27, 2004 | Hilcorp Energy Company | Refugio | Lambert, M. F. #20239132066 | 6,000 |
| 552780 | Oct 25, 2004 | Oct 25, 2004 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #9839132634 | 6,400 |
| 551682 | Oct 25, 2004 | Oct 25, 2004 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #1632100740 | 9,970 |
| 552508 | Oct 21, 2004 | Oct 21, 2004 | Hilcorp Energy Company | Refugio | Lake Pasture (FS-550) Sand Unit #1539100208 | 5,764 |
| 552507 | Oct 21, 2004 | Oct 21, 2004 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 12A39100277 | 5,760 |
| 552413 | Oct 18, 2004 | Oct 18, 2004 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #632100730 | 9,980 |
| 552411 | Oct 18, 2004 | Oct 18, 2004 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #17403904031 | 10,885 |
| 552268 | Oct 13, 2004 | Oct 13, 2004 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #2432100746 | 9,950 |
| 552220 | Oct 12, 2004 | Oct 12, 2004 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #3332100753 | 9,870 |