| 504901 | Feb 2, 2001 | Feb 2, 2001 | Corenergy Operating Group, LLC | Bee | Lewis Ranch #4 | 5,000 | 02533095 |
| 504364 | Jan 22, 2001 | Jan 22, 2001 | Corenergy Operating Group, LLC | Bee | Diebel #1 | 3,000 | 02533088 |
| 504105 | Jan 16, 2001 | Jan 16, 2001 | Corenergy Operating Group, LLC | Bee | Snowmass #1 | 3,000 | 02533082 |
| 504100 | Jan 16, 2001 | Jan 16, 2001 | Corenergy Operating Group, LLC | Bee | Tyler #2 | 5,000 | 02533083 |
| 503926 | Jan 10, 2001 | Jan 10, 2001 | Corenergy Operating Group, LLC | Bee | Cobweb Ranch #1 | 3,000 | 02533080 |
| 503844 | Jan 9, 2001 | Jan 9, 2001 | Corenergy Operating Group, LLC | Bee | Bee County Investors #1 | 3,000 | 02533078 |
| 503680 | Jan 4, 2001 | Jan 4, 2001 | Corenergy Operating Group, LLC | Bee | McNeill #1 | 3,000 | 02533075 |
| 503587 | Jan 2, 2001 | Jan 2, 2001 | Corenergy Operating Group, LLC | Bee | Blackburn, J. L. Trust #3 | 3,000 | 02533074 |
| 502391 | Nov 29, 2000 | Nov 29, 2000 | Corenergy Operating Group, LLC | Goliad | Powell #3 | 5,200 | 17533302 |
| 495745Amendment | Sep 21, 2000 | Sep 21, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #5 | 2,300 | 02533023 |
| 499383 | Sep 11, 2000 | Sep 11, 2000 | Corenergy Operating Group, LLC | Bee | Tyler #1 | 5,000 | 02533048 |
| 497035 | Aug 17, 2000 | Aug 17, 2000 | Corenergy Operating Group, LLC | Bee | Ferrell, D. L. #2 | 5,100 | 02532977 |
| 496633 | Jun 28, 2000 | Jun 28, 2000 | Corenergy Operating Group, LLC | Bee | J. L. Blackburn Trust Unit #2 | 2,400 | 02533030 |
| 495745 | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #5 | 1,800 | 02533023 |
| 495745Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #5 | 2,300 | 02533023 |
| 495743 | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, J. L. Trust #1 | 2,000 | 02533022 |
| 495743Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, J. L. Trust #1 | 2,300 | 02533022 |
| 495743Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Bee | Blackburn, J. L. Trust #1 | 2,300 | 02533022 |
| 491352 | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Bee | Joy Estate #1 | 5,700 | 02532997 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Bee | Joy Estate #1 | 2,400 | 02532997 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Bee | Joy Estate #1 | 2,600 | 02532997 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Bee | Joy Estate #1 | 2,600 | 02532997 |
| 490841 | Jan 5, 2000 | Jan 5, 2000 | Corenergy Operating Group, LLC | Bee | Lucas, A. L. #1 | 4,200 | 02532991 |
| 490436 | Dec 16, 1999 | Dec 16, 1999 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #4 | 2,300 | 02532987 |
| 488410 | Nov 16, 1999 | Nov 16, 1999 | Corenergy Operating Group, LLC | Bee | Ferrell, D. L. #2 | 6,000 | 02532977 |
| 489113 | Nov 3, 1999 | Nov 3, 1999 | Corenergy Operating Group, LLC | Bee | Lewis Ranch "B" #3 | 5,150 | 02532985 |
| 488571 | Oct 15, 1999 | Oct 15, 1999 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #3 | 2,500 | 02532979 |
| 488412 | Oct 11, 1999 | Oct 11, 1999 | Corenergy Operating Group, LLC | Bee | Lewis Ranch #1 | 4,940 | 02532975 |
| 488411 | Oct 11, 1999 | Oct 11, 1999 | Corenergy Operating Group, LLC | Bee | Lewis Ranch #2 | 5,140 | 02532976 |
| 488180 | Oct 4, 1999 | Oct 4, 1999 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #2 | 3,100 | 02532974 |
| 487712 | Sep 17, 1999 | Sep 17, 1999 | Corenergy Operating Group, LLC | Bee | Pagel, C. C. #1 | 4,800 | 02532973 |
| 487237 | Sep 2, 1999 | Sep 2, 1999 | Corenergy Operating Group, LLC | Bee | Blackburn, L. K. #1 | 2,700 | 02532970 |
| 486490 | Aug 6, 1999 | Aug 6, 1999 | Corenergy Operating Group, LLC | Bee | Roark, A. W. #1 | 6,000 | 02532966 |
| 485291 | Jun 17, 1999 | Jun 17, 1999 | Corenergy Operating Group, LLC | Goliad | Farish, W. S. #1 | 3,900 | 17533160 |
| 484999 | Jun 7, 1999 | Jun 7, 1999 | Corenergy Operating Group, LLC | Bee | McKinney, F. G. Estate #1 | 4,600 | 02532956 |
| 484999Amendment | Jun 7, 1999 | Jun 7, 1999 | Corenergy Operating Group, LLC | Bee | McKinney, F. G. Estate #1 | 4,900 | 02532956 |
| 484810 | May 27, 1999 | May 27, 1999 | Corenergy Operating Group, LLC | Bee | Wilhite, M. E. #1 | 5,600 | 02532954 |
| 484809 | May 27, 1999 | May 27, 1999 | Corenergy Operating Group, LLC | Bee | Handy, R. E. #1 | 2,400 | 02532955 |
| 484809Amendment | May 27, 1999 | May 27, 1999 | Corenergy Operating Group, LLC | Bee | Handy, R. E. #1 | 2,900 | 02532955 |
| 484809Amendment | May 27, 1999 | May 27, 1999 | Corenergy Operating Group, LLC | Bee | Handy, R. E. #1 | 2,900 | 02532955 |
| 484560 | May 17, 1999 | May 17, 1999 | Corenergy Operating Group, LLC | Bee | Ferrell, D. L. #1 | 2,700 | 02532953 |
| 483585 | Mar 29, 1999 | Mar 29, 1999 | Corenergy Operating Group, LLC | Live Oak | Hailey #2 | 5,200 | 29734352 |
| 478199 | Sep 29, 1998 | Sep 29, 1998 | Corenergy Operating Group, LLC | Live Oak | Wilburn #1C | 5,700 | 29734335 |
| 478199Amendment | Sep 29, 1998 | Sep 29, 1998 | Corenergy Operating Group, LLC | Live Oak | Wilburn #1C | 5,700 | 29734335 |
| 479376 | Sep 10, 1998 | Sep 10, 1998 | Corenergy Operating Group, LLC | Live Oak | Hailey #1 | 5,500 | 29734338 |
| 479376Amendment | Sep 10, 1998 | Sep 10, 1998 | Corenergy Operating Group, LLC | Live Oak | Hailey #1 | 5,500 | 29734338 |
| 479270 | Sep 4, 1998 | Sep 4, 1998 | Corenergy Operating Group, LLC | Bee | Barnhart #2 | 4,800 | 02532919 |
| 479270Amendment | Sep 4, 1998 | Sep 4, 1998 | Corenergy Operating Group, LLC | Bee | Barnhart #2 | 4,800 | 02532919 |
| 478856 | Aug 20, 1998 | Aug 20, 1998 | Corenergy Operating Group, LLC | Bee | Barnhart #1 | 4,700 | 02532910 |
| 478856Amendment | Aug 20, 1998 | Aug 20, 1998 | Corenergy Operating Group, LLC | Bee | Barnhart #1 | 4,700 | 02532910 |
| 478487 | Aug 4, 1998 | Aug 4, 1998 | Corenergy Operating Group, LLC | Bee | Long #1 | 5,300 | 02532906 |
| 478487Amendment | Aug 4, 1998 | Aug 4, 1998 | Corenergy Operating Group, LLC | Bee | Long #1 | 5,300 | 02532906 |
| 478486 | Aug 4, 1998 | Aug 4, 1998 | Corenergy Operating Group, LLC | Bee | Long #2 | 5,200 | 02532905 |
| 478486Amendment | Aug 4, 1998 | Aug 4, 1998 | Corenergy Operating Group, LLC | Bee | Long #2 | 5,300 | 02532905 |
| 478076 | Jul 17, 1998 | Jul 17, 1998 | Corenergy Operating Group, LLC | Live Oak | Rutledge #1C | 4,600 | 29734333 |
| 478076Amendment | Jul 17, 1998 | Jul 17, 1998 | Corenergy Operating Group, LLC | Live Oak | Rutledge #1C | 4,600 | 29734333 |
| 478075 | Jul 17, 1998 | Jul 17, 1998 | Corenergy Operating Group, LLC | Bee | Bolland #1 | 5,500 | 02532901 |
| 478075Amendment | Jul 17, 1998 | Jul 17, 1998 | Corenergy Operating Group, LLC | Bee | Bolland #1 | 5,500 | 02532901 |