| Rincon Unit #40430-039-27706 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,640 | Dec 7, 2004 | 220 | 31,843 |
| Rincon Unit #41230-039-27803 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,670 | Nov 3, 2004 | 64 | 23,761 |
| Rincon Unit #41630-039-27844 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,586 | Nov 1, 2004 | 48 | 27,249 |
| Rincon Unit #41330-039-27824 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,715 | Oct 19, 2004 | 73 | 20,969 |
| Rincon Unit #40330-039-27814 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,615 | Sep 17, 2004 | 66 | 23,517 |
| Rincon Unit #40830-039-27796 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,695 | Sep 16, 2004 | 4 | 14,857 |
| Rincon Unit #41030-039-27794 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,318 | Sep 9, 2004 | 413 | 20,965 |
| Rincon Unit #41930-039-27797 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,692 | Sep 9, 2004 | 18 | 16,658 |
| Shiotani #01030-045-32480 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,610 | Jul 30, 2004 | 0 | 18,675 |
| Rincon Unit #41730-039-27667 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,627 | Jul 29, 2004 | 93 | 42,454 |
| Rincon Unit #40130-039-27669 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,721 | Jul 20, 2004 | 33 | 21,259 |
| Rincon Unit #40530-039-27668 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,605 | Jul 16, 2004 | 44 | 17,361 |
| Federal M 2 #00230-045-32402 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,235 | Jul 16, 2004 | 0 | 44,358 |
| Federal G #00530-045-32420 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 3,620 | Jun 22, 2004 | 0 | 13,380 |
| Rincon Unit #40730-039-27742 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,805 | May 17, 2004 | 10 | 12,732 |
| B Montoya 25 #00330-045-32341 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,213 | May 13, 2004 | 0 | 27,135 |
| O'Shea 3 #00330-045-32342 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,160 | May 13, 2004 | 0 | 20,700 |
| Quinoco State N #00530-045-32343 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 3,574 | May 13, 2004 | 0 | 32,440 |
| Yager #00930-045-32344 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 3,762 | May 13, 2004 | 0 | 2 |
| Riggs #00430-045-32312 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,002 | Apr 16, 2004 | 0 | 8,184 |
| Redfern #00330-045-32236 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,993 | Apr 6, 2004 | 0 | 15,700 |
| Shiotani #00930-045-32240 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,650 | Apr 6, 2004 | 0 | 7,484 |
| Riggs #00330-045-32239 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,906 | Mar 23, 2004 | 0 | 20,939 |
| H J Loe Federal B #004S30-045-31935 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,830 | Dec 19, 2003 | 0 | 14,688 |
| Mexico Federal M #002S30-045-31938 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,365 | Dec 4, 2003 | 0 | 41,198 |
| Rincon Unit #158Q30-039-27523 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,604 | Dec 1, 2003 | 0 | 11,754 |
| Rincon Unit #126Q30-039-27525 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,650 | Dec 1, 2003 | 26 | 8,196 |
| Rincon Unit #149Q30-039-27522 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,640 | Nov 14, 2003 | 0 | 12,515 |
| Rincon Unit #159P30-039-27490 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,591 | Nov 3, 2003 | 0 | 13,131 |
| Rincon Unit #177Q30-039-27524 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,678 | Oct 29, 2003 | 0 | 14,003 |
| Rincon Unit #155R30-039-27298 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,554 | Oct 23, 2003 | 0 | 13,386 |
| Rincon Unit #011P30-039-27294 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,636 | Oct 8, 2003 | 70 | 25,478 |
| Rincon Unit #174P30-039-27328 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,614 | Sep 10, 2003 | 38 | 16,568 |
| Rincon Unit #184P30-039-27466 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,756 | Sep 10, 2003 | 127 | 24,962 |
| Rincon Unit #129R30-039-27322 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,660 | Aug 18, 2003 | 88 | 21,005 |
| Rincon Unit #128R30-039-27323 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,710 | Aug 18, 2003 | 4 | 12,682 |
| Rincon Unit #139R30-039-27420 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,585 | Jul 28, 2003 | 0 | 24,442 |
| Rincon Unit #182P30-039-27327 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,690 | Jul 7, 2003 | 33 | 24,908 |
| Rincon Unit #161M30-039-27293 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,329 | Jun 3, 2003 | 53 | 39,392 |
| Rincon Unit #170R30-039-27324 | Enduring Resources, LLC | Rio ArribaBasin Dakota (Prorated Gas) | ActiveGas | 7,566 | Jun 2, 2003 | 77 | 21,142 |
| Yager #00630-045-31700 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | PluggedGas | 3,500 | May 22, 2003 | 0 | 0 |
| Mead 27 #00230-045-31590 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,855 | Apr 8, 2003 | 0 | 46 |
| Montoya 35 #00330-045-31598 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,285 | Apr 8, 2003 | 0 | 34,012 |
| Pan AM State 36 #00330-045-31589 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,320 | Apr 1, 2003 | 0 | 21,801 |
| Ripley 26 #00430-045-31592 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,212 | Apr 1, 2003 | 0 | 668 |
| Alberding 3 #00330-045-31593 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,220 | Apr 1, 2003 | 0 | 38,354 |
| Robinson Brothers #00230-045-31594 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,215 | Apr 1, 2003 | 0 | 3,533 |
| Jacquez K2 #00330-045-31595 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,293 | Apr 1, 2003 | 0 | 13,363 |
| F. Montoya 27 #00230-045-31597 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,215 | Apr 1, 2003 | 0 | 7,915 |
| Baird 4 #00330-045-31599 | Enduring Resources, LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,255 | Apr 1, 2003 | 0 | 36,485 |