| 641838Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #6HH | 6,600 | 43932389 |
| 641838Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #6HH | 8,900 | 43932389 |
| 641835 | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon Unit #5HH | 9,000 | 43932388 |
| 641835Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #5HH | 6,600 | 43932388 |
| 641835Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #5HH | 8,900 | 43932388 |
| 641787 | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon Unit #4HH | 9,000 | 43932386 |
| 641787Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #4HH | 6,600 | 43932386 |
| 641787Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #4HH | 9,000 | 43932386 |
| 641787Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #4HH | 9,000 | 43932386 |
| 641783 | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon Unit #3HH | 9,000 | 43932385 |
| 641783Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #3HH | 6,600 | 43932385 |
| 641783Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #3HH | 9,000 | 43932385 |
| 641777 | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon Unit #2HH | 9,000 | 43932383 |
| 641777Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon Unit #2HH | 9,000 | 43932383 |
| 641777Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #2HH | 6,600 | 43932383 |
| 641777Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #2HH | 9,000 | 43932383 |
| 641777Amendment | Jul 18, 2007 | Jul 18, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #2HH | 9,000 | 43932383 |
| 641843 | Jul 14, 2007 | Jul 14, 2007 | Quicksilver Resources Inc. | Somervell | Millard Fillmore Unit #2HH | 9,000 | 42530165 |
| 641843Amendment | Jul 14, 2007 | Jul 14, 2007 | Quicksilver Resources Inc. | Somervell | Millard Fillmore Unit #2HH | 9,000 | 42530165 |
| 641630 | Jul 11, 2007 | Jul 11, 2007 | Quicksilver Resources Inc. | Somervell | Millard Fillmore Unit #1HH | 6,400 | 42530164 |
| 641630Amendment | Jul 11, 2007 | Jul 11, 2007 | Quicksilver Resources Inc. | Somervell | Millard Fillmore Unit #1HH | 6,400 | 42530164 |
| 641520 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hill | Uma Unit #2HH | 6,400 | 21730494 |
| 641520Amendment | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hill | Uma Unit #2HH | 9,000 | 21730494 |
| 641519 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Johnson | Smithers, Waylon #4HH | 6,400 | 25131972 |
| 641469 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hood | Lovie Unit #2HH | 6,400 | 22131425 |
| 641469Amendment | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hood | Lovey Unit #2HH | 6,400 | 22131425 |
| 641467 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hood | Lovie Unit #1HH | 6,400 | 22131424 |
| 641467Amendment | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Hood | Lovey Unit #1HH | 6,400 | 22131424 |
| 641449 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Johnson | Smithers, Waylon #3HH | 6,400 | 25131965 |
| 641447 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Johnson | Smithers, Waylon #2HH | 6,400 | 25131964 |
| 641446 | Jul 9, 2007 | Jul 9, 2007 | Quicksilver Resources Inc. | Johnson | Smithers, Waylon #1HH | 6,400 | 25131963 |
| 640755 | Jun 27, 2007 | Jun 27, 2007 | Quicksilver Resources Inc. | Hood | Mooney Unit A #3HH | 6,400 | 22131419 |
| 640757 | Jun 26, 2007 | Jun 26, 2007 | Quicksilver Resources Inc. | Hood | Mooney Unit B #3HH | 6,400 | 22131418 |
| 640756 | Jun 26, 2007 | Jun 26, 2007 | Quicksilver Resources Inc. | Hood | Mooney Unit B #2HH | 6,400 | 22131416 |
| 640753 | Jun 26, 2007 | Jun 26, 2007 | Quicksilver Resources Inc. | Hood | Mooney Unit A #2HH | 6,400 | 22131417 |
| 640729 | Jun 25, 2007 | Jun 25, 2007 | Quicksilver Resources Inc. | Hood | Radar #2HH | 6,400 | 22131415 |
| 640010 | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #5HH | 6,400 | 22131410 |
| 640010Amendment | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #5HH | 6,400 | 22131410 |
| 640008 | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #4HH | 6,400 | 22131409 |
| 640008Amendment | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #4HH | 6,400 | 22131409 |
| 640007 | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #3HH | 6,400 | 22131408 |
| 640007Amendment | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #3HH | 6,400 | 22131408 |
| 640007Amendment | Jun 13, 2007 | Jun 13, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #3HH | 6,400 | 22131408 |
| 640079 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #7HH | 6,400 | 22131407 |
| 640077 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #6HH | 6,400 | 22131403 |
| 640075 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #5HH | 6,400 | 22131406 |
| 640074 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #4HH | 6,400 | 22131405 |
| 640072 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #3HH | 6,400 | 22131404 |
| 640067 | Jun 12, 2007 | Jun 12, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #2HH | 6,400 | 22131401 |
| 640042 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #9HH | 6,400 | 22131402 |
| 640041 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #8HH | 6,400 | 22131400 |
| 640041Amendment | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #8HH | 9,000 | 22131400 |
| 640040 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #7HH | 6,400 | 22131399 |
| 640032 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #6HH | 6,400 | 22131398 |
| 640028 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Big Rock Candy Mountain #5HH | 6,400 | 22131397 |
| 640016 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #4HH | 6,400 | 21730488 |
| 640016Amendment | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #4HH | 9,000 | 21730488 |
| 640015 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #3HH | 6,400 | 21730487 |
| 640015Amendment | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #3HH | 9,000 | 21730487 |
| 640011 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #2HH | 6,400 | 21730486 |
| 640011Amendment | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | East Cletus Unit #2HH | 9,000 | 21730486 |
| 640005 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #2HH | 6,400 | 22131396 |
| 640000 | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | Sideshow Bob Unit #4HH | 6,400 | 21730485 |
| 640000Amendment | Jun 11, 2007 | Jun 11, 2007 | Quicksilver Resources Inc. | Hill | Sideshow Bob Unit #4HH | 7,197 | 21730485 |
| 639502 | Jun 6, 2007 | Jun 6, 2007 | Quicksilver Resources Inc. | Tarrant | Boswell Unit #5HH | 6,400 | 43932295 |
| 639502Amendment | Jun 6, 2007 | Jun 6, 2007 | Quicksilver Resources Inc. | Tarrant | Boswell Unit #5HH | 8,000 | 43932295 |
| 639426 | Jun 5, 2007 | Jun 5, 2007 | Quicksilver Resources Inc. | Culberson | Hughes Kent Ranch #4HH | 6,000 | 10932290 |
| 639542 | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Sass Unit #1HH | 6,400 | 22131394 |
| 639541 | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #4HH | 6,400 | 22131393 |
| 639536 | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #2HH | 6,400 | 22131391 |
| 639532 | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #1HH | 6,400 | 22131392 |
| 639532Amendment | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #1HH | 6,400 | 22131392 |
| 639532Amendment | May 29, 2007 | May 29, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #1HH | 6,400 | 22131392 |
| 639387 | May 25, 2007 | May 25, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #1HH | 6,400 | 22131390 |
| 639387Amendment | May 25, 2007 | May 25, 2007 | Quicksilver Resources Inc. | Hood | Yosemite Sam Unit #1HH | 6,400 | 22131390 |
| 639247 | May 23, 2007 | May 23, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #6HH | 6,400 | 22131389 |
| 639247Amendment | May 23, 2007 | May 23, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #6HH | 6,400 | 22131389 |
| 639244 | May 23, 2007 | May 23, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #5HH | 6,400 | 22131387 |
| 639244Amendment | May 23, 2007 | May 23, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #5HH | 6,400 | 22131387 |
| 638971 | May 23, 2007 | May 23, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #5HH | 6,400 | 22131382 |
| 639234 | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #4HH | 6,400 | 22131386 |
| 639232 | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | James Unit #3HH | 6,400 | 22131385 |
| 639232Amendment | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | James Unit #3HH | 6,400 | 22131385 |
| 639229 | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | James Unit #2HH | 6,400 | 22131384 |
| 639229Amendment | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | James Unit #2HH | 6,400 | 22131384 |
| 639224 | May 22, 2007 | May 22, 2007 | Quicksilver Resources Inc. | Hood | James Unit #1HH | 6,400 | 22131383 |
| 639123 | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon #1HH | 6,600 | 43932261 |
| 639123Amendment | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #1HH | 6,600 | 43932261 |
| 639123Amendment | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Tarrant | Exelon North Unit #1HH | 9,000 | 43932261 |
| 638762 | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Hill | Cecil Terwilliger Unit #2HH | 6,400 | 21730480 |
| 638762Amendment | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Hill | Cecil Terwilliger Unit #2HH | 9,000 | 21730480 |
| 638759 | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Hill | Cecil Terwilliger Unit #1HH | 6,400 | 21730479 |
| 638759Amendment | May 21, 2007 | May 21, 2007 | Quicksilver Resources Inc. | Hill | Cecil Terwilliger Unit #1HH | 9,000 | 21730479 |
| 638970 | May 19, 2007 | May 19, 2007 | Quicksilver Resources Inc. | Hood | Chesbrough-Shaw Unit #3HH | 6,400 | 22131381 |
| 638755 | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #3HH | 6,600 | 22131376 |
| 638755Amendment | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #3HH | 6,600 | 22131376 |
| 638753 | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #2HH | 6,600 | 22131375 |
| 638753Amendment | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #2HH | 6,600 | 22131375 |
| 638712 | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #1HH | 6,600 | 22131374 |
| 638712Amendment | May 17, 2007 | May 17, 2007 | Quicksilver Resources Inc. | Hood | Gleen Unit #1HH | 6,600 | 22131374 |