| 625355 | Sep 5, 2006 | Sep 5, 2006 | Peoples Energy Prod.-TX, L.P. | Trevino "B" #150532120 | 10,000 |
| 625013 | Aug 30, 2006 | Aug 30, 2006 | Conocophillips Company | BMT Martin B #950534094 | 10,100 |
| 625126 | Aug 29, 2006 | Aug 29, 2006 | Reichmann Petroleum Corp. | Flores, E. #150535675 | 12,600 |
| 625113 | Aug 29, 2006 | Aug 29, 2006 | Laredo Energy | Haynes "A" #2S50535674 | 15,000 |
| 624963 | Aug 25, 2006 | Aug 25, 2006 | United Resources LP | Galo #150535234 | 10,500 |
| 624963Amendment | Aug 25, 2006 | Aug 25, 2006 | United Resources LP | Galo #150535234 | 10,500 |
| 624949 | Aug 25, 2006 | Aug 25, 2006 | Chesapeake Operating, Inc. | Jacoba Villarreal Estate #150535673 | 14,000 |
| 624946 | Aug 25, 2006 | Aug 25, 2006 | Chesapeake Operating, Inc. | J. Vela-Cuellar #350535672 | 14,000 |
| 624946Amendment | Aug 25, 2006 | Aug 25, 2006 | Chesapeake Operating, Inc. | J. Vela Cuellar #350535672 | 14,000 |
| 624943 | Aug 25, 2006 | Aug 25, 2006 | Conocophillips Company | McAskill TR1 #2950534394 | 11,500 |
| 624924 | Aug 25, 2006 | Aug 25, 2006 | Peoples Energy Prod.-TX, L.P. | Guerra "M" #250532121 | 10,115 |
| 624819 | Aug 24, 2006 | Aug 24, 2006 | Wagner Oil Company | Slator Ranch #3450535669 | 11,500 |
| 624727 | Aug 24, 2006 | Aug 24, 2006 | Chevron U. S. A. Inc. | Martinez, Antonio et Al #1450535671 | 9,200 |
| 624821 | Aug 23, 2006 | Aug 23, 2006 | Wagner Oil Company | Slator Ranch #3850535670 | 11,500 |
| 624760 | Aug 23, 2006 | Aug 23, 2006 | Houston Exploration Company, The | Daisy #750535667 | 12,100 |
| 624648 | Aug 23, 2006 | Aug 23, 2006 | Conocophillips Company | Laurel Mineral Estate #1950535668 | 13,100 |
| 624440 | Aug 21, 2006 | Aug 21, 2006 | Conocophillips Company | McAskill TR4 #3750535664 | 12,500 |
| 624538 | Aug 17, 2006 | Aug 17, 2006 | Ricochet Energy, Inc. | Ramirez, Abel #350535663 | 11,500 |
| 624513 | Aug 17, 2006 | Aug 17, 2006 | Acock Operating Limited | Garcia, George #150535344 | 10,500 |
| 624485 | Aug 17, 2006 | Aug 17, 2006 | Houston Exploration Company, The | Yzaguirre-Leo #1450535662 | 12,000 |
| 622721 | Aug 17, 2006 | Aug 17, 2006 | Houston Exploration Company, The | Asche #11250535647 | 13,600 |
| 624379 | Aug 15, 2006 | Aug 15, 2006 | Conocophillips Company | Serafin #550535661 | 13,100 |
| 621939 | Aug 15, 2006 | Aug 15, 2006 | Pogo Producing Company | Benavides Trust #1350535635 | 12,000 |
| 624239 | Aug 11, 2006 | Aug 11, 2006 | Houston Exploration Company, The | Ramirez, Abel #1150535658 | 9,500 |
| 624224 | Aug 11, 2006 | Aug 11, 2006 | Chesapeake Operating, Inc. | Vasquez, Romeo J. #750535657 | 14,000 |
| 624137 | Aug 10, 2006 | Aug 10, 2006 | Chesapeake Operating, Inc. | Singer B #350535656 | 12,000 |
| 623749 | Aug 9, 2006 | Aug 9, 2006 | United Resources LP | Whittier #250535655 | 11,500 |
| 623904 | Aug 7, 2006 | Aug 7, 2006 | Chesapeake Operating, Inc. | Fernando Cuellar et al Gas Unit #150535654 | 12,000 |
| 623812 | Aug 4, 2006 | Aug 4, 2006 | Devon Energy Production Co, L.P. | Haynes-North #450534789 | 14,800 |
| 623437 | Aug 4, 2006 | Aug 4, 2006 | Killam Oil Co., Ltd. | Thomasma #750534275 | 9,766 |
| 619173 | Aug 3, 2006 | Aug 3, 2006 | Pogo Producing Company | Gutierrez, B. G. #1250535585 | 11,300 |
| 619050 | Aug 3, 2006 | Aug 3, 2006 | Pogo Producing Company | Decarreon, G. G. #1350535584 | 11,000 |
| 623657 | Aug 1, 2006 | Aug 1, 2006 | Killam Oil Co., Ltd. | Hinnant Fulbright"a" Gas Unit #150535653 | 6,500 |
| 623427 | Jul 28, 2006 | Jul 28, 2006 | Houston Exploration Company, The | Bustamante Gas Unit 1 #1150535652 | 14,700 |
| 623343 | Jul 27, 2006 | Jul 27, 2006 | Laredo Energy | Gonzalez et Al #150535651 | 12,000 |
| 623343Amendment | Jul 27, 2006 | Jul 27, 2006 | Laredo Energy | Gonzalez et al G.U. #150535651 | 12,000 |
| 623322 | Jul 27, 2006 | Jul 27, 2006 | Chesapeake Operating, Inc. | Vasquez, Romeo J. #650535650 | 14,000 |
| 623216 | Jul 26, 2006 | Jul 26, 2006 | Houston Exploration Company, The | Garza, A. #2550535649 | 11,000 |
| 620466 | Jul 21, 2006 | Jul 21, 2006 | Pogo Producing Company | Haynes, L. #14350535610 | 8,500 |
| 622676 | Jul 20, 2006 | Jul 20, 2006 | Conocophillips Company | La Perla A1 #1050535648 | 10,850 |
| 622534 | Jul 20, 2006 | Jul 20, 2006 | Houston Exploration Company, The | Munoz-Gutierrez Gas Unit #950535644 | 14,700 |
| 622762 | Jul 18, 2006 | Jul 18, 2006 | Peoples Energy Prod.-TX, L.P. | Jennings, J. D. #48450535396 | 5,800 |
| 622696 | Jul 17, 2006 | Jul 17, 2006 | Houston Exploration Company, The | Asche #11350535646 | 13,600 |
| 622602 | Jul 14, 2006 | Jul 14, 2006 | Wagner Oil Company | Slator Ranch #3650535645 | 11,500 |
| 622462 | Jul 13, 2006 | Jul 13, 2006 | EOG Resources, Inc. | BMT/K&H #N 350535642 | 12,000 |
| 622474 | Jul 12, 2006 | Jul 12, 2006 | Chesapeake Operating, Inc. | Laurel, O. M. Estate #1350535643 | 15,000 |
| 622355 | Jul 11, 2006 | Jul 11, 2006 | Chesapeake Operating, Inc. | Vasquez, Delia #350535641 | 14,000 |
| 621087 | Jul 11, 2006 | Jul 11, 2006 | Houston Exploration Company, The | A. Garza #2350535617 | 10,800 |
| 622247 | Jul 10, 2006 | Jul 10, 2006 | Shell Western E&P | Leyendecker, G. L. #950535640 | 18,442 |
| 622214 | Jul 10, 2006 | Jul 10, 2006 | Wagner Oil Company | Slator Ranch #2950535233 | 10,806 |
| 622171 | Jul 10, 2006 | Jul 10, 2006 | Wagner Oil Company | Slator Ranch #3050535241 | 11,500 |
| 621022 | Jul 10, 2006 | Jul 10, 2006 | Chesapeake Operating, Inc. | Ramon #550535616 | 12,000 |
| 622182 | Jul 7, 2006 | Jul 7, 2006 | Laredo Energy | El Clareno #550535639 | 13,000 |
| 622059 | Jul 7, 2006 | Jul 7, 2006 | Laredo Energy | Zachry #350535638 | 11,000 |
| 621934 | Jul 7, 2006 | Jul 7, 2006 | Pogo Producing Company | Haynes, L. #16250535634 | 11,000 |
| 621999 | Jul 6, 2006 | Jul 6, 2006 | Synthetic Energy Corporation | Garcia, Anastacio #3HH50535637 | 300 |
| 621936 | Jul 6, 2006 | Jul 6, 2006 | Pogo Producing Company | Haynes, L. #16150535633 | 11,000 |
| 621991 | Jul 5, 2006 | Jul 5, 2006 | Synthetic Energy Corporation | Garcia, Anastacio #5HH50535632 | 300 |
| 622001 | Jul 3, 2006 | Jul 3, 2006 | Houston Exploration Company, The | Garza, A. #2450535636 | 11,000 |
| 621809 | Jun 29, 2006 | Jun 29, 2006 | Newfield Exploration Company | Ramirez #250535631 | 7,000 |
| 621767 | Jun 29, 2006 | Jun 29, 2006 | Reichmann Petroleum Corp. | Fernando Garza Deep #150535630 | 14,200 |
| 621741 | Jun 29, 2006 | Jun 29, 2006 | Chevron U. S. A. Inc. | Vidaurri, R. Etal #3250535629 | 10,000 |
| 621739 | Jun 29, 2006 | Jun 29, 2006 | Chevron U. S. A. Inc. | Vidaurri, R. Etal #3350535628 | 10,000 |
| 621726 | Jun 28, 2006 | Jun 28, 2006 | Wagner Oil Company | Slator Ranch #3550535627 | 11,500 |
| 621726Amendment | Jun 28, 2006 | Jun 28, 2006 | Wagner Oil Company | Slator Ranch #3550535627 | 11,500 |
| 621708 | Jun 28, 2006 | Jun 28, 2006 | Chesapeake Operating, Inc. | LFT #550535626 | 13,000 |
| 621672 | Jun 27, 2006 | Jun 27, 2006 | Chesapeake Operating, Inc. | Singer Anders Gas Unit #450535625 | 12,000 |
| 621431 | Jun 27, 2006 | Jun 27, 2006 | Conocophillips Company | Cassin, Edward A #450535624 | 12,600 |
| 621431Amendment | Jun 27, 2006 | Jun 27, 2006 | Conocophillips Company | Cassin, Edward A #450535624 | 12,600 |
| 621431Amendment | Jun 27, 2006 | Jun 27, 2006 | Conocophillips Company | Cassin, Edward A #450535624 | 12,600 |
| 620296 | Jun 27, 2006 | Jun 27, 2006 | Chesapeake Operating, Inc. | Singer Anders Gas Unit #350535603 | 12,000 |
| 621413 | Jun 26, 2006 | Jun 26, 2006 | United Resources LP | Whittier #150535623 | 11,100 |
| 621264 | Jun 23, 2006 | Jun 23, 2006 | Conocophillips Company | Bruni Ranch #10850535622 | 12,500 |
| 621262 | Jun 23, 2006 | Jun 23, 2006 | Conocophillips Company | Villarreal Trust #150535621 | 9,300 |
| 621262Amendment | Jun 23, 2006 | Jun 23, 2006 | Conocophillips Company | Villarreal Trust #150535621 | 9,300 |
| 621424 | Jun 22, 2006 | Jun 22, 2006 | Conocophillips Company | Snowmass Inc. #250535620 | 13,250 |
| 620096 | Jun 22, 2006 | Jun 22, 2006 | Houston Exploration Company, The | Munoz-Gutierrez Gas Unit #750535597 | 12,100 |
| 621365 | Jun 21, 2006 | Jun 21, 2006 | Reichmann Petroleum Corp. | Fernando Garza #250535619 | 13,700 |
| 621248 | Jun 19, 2006 | Jun 19, 2006 | Peoples Energy Prod.-TX, L.P. | Guerra "M" #550534827 | 11,100 |
| 621118 | Jun 16, 2006 | Jun 16, 2006 | Chesapeake Operating, Inc. | RMT C #650535618 | 12,000 |
| 620891 | Jun 13, 2006 | Jun 13, 2006 | Houston Exploration Company, The | Munoz-Gutierrez Gas Unit #850535615 | 14,900 |
| 620854 | Jun 13, 2006 | Jun 13, 2006 | Legend Natural Gas II, LP | El Ebanito #250535614 | 15,000 |
| 620854Amendment | Jun 13, 2006 | Jun 13, 2006 | Legend Natural Gas II, LP | El Ebanito #250535614 | 15,000 |
| 620853 | Jun 13, 2006 | Jun 13, 2006 | Legend Natural Gas II, LP | El Ebanito #150535613 | 15,000 |
| 620853Amendment | Jun 13, 2006 | Jun 13, 2006 | Legend Natural Gas II, LP | El Ebanito #150535613 | 15,000 |
| 620374 | Jun 12, 2006 | Jun 12, 2006 | Enterprise Products Operating LP | Zapata-Penitas Rectifier #10 #26450535612 | 400 |
| 620631 | Jun 8, 2006 | Jun 8, 2006 | Ricochet Energy, Inc. | Ramirez, Abel #250535611 | 9,500 |
| 620585 | Jun 7, 2006 | Jun 7, 2006 | Chesapeake Operating, Inc. | Laurel, O. M. Estate #1250535609 | 15,000 |
| 620485 | Jun 7, 2006 | Jun 7, 2006 | Pogo Producing Company | Haynes, L. #16050535608 | 8,600 |
| 610633 | Jun 7, 2006 | Jun 7, 2006 | Chesapeake Operating, Inc. | Zapata Townsite #250535438 | 13,000 |
| 620481 | Jun 6, 2006 | Jun 6, 2006 | EOG Resources, Inc. | Slator Ranch "W" #250535606 | 12,250 |
| 620463 | Jun 6, 2006 | Jun 6, 2006 | Conocophillips Company | Flores, Rosa G. #150535607 | 9,350 |
| 620218 | Jun 6, 2006 | Jun 6, 2006 | Devon Energy Production Co, L.P. | Haynes #3050534815 | 15,045 |
| 620086 | Jun 6, 2006 | Jun 6, 2006 | Pogo Producing Company | Haynes, L. #15950535600 | 10,200 |
| 620086Amendment | Jun 6, 2006 | Jun 6, 2006 | Pogo Producing Company | Haynes, L. #15950535600 | 10,500 |
| 620176 | Jun 5, 2006 | Jun 5, 2006 | Pogo Producing Company | Haynes, L. #15450535602 | 10,500 |
| 620134 | Jun 5, 2006 | Jun 5, 2006 | Pogo Producing Company | Haynes, L. #15850535601 | 8,300 |
| 620085 | Jun 5, 2006 | Jun 5, 2006 | Pogo Producing Company | Haynes, L. #14750535599 | 9,200 |
| 620329 | Jun 2, 2006 | Jun 2, 2006 | Laredo Energy | Benavides "A" #750535604 | 14,000 |
| 620327 | Jun 2, 2006 | Jun 2, 2006 | Laredo Energy | Barberio #150535605 | 13,000 |