| Lease Name | Location | Operator | Oil Prod | Gas Prod | 
| Green River III A3-4 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III B3-5 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C1-34 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C1-35 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C1-4 | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River III C1-5 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C3-4 | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River III D2-4 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III D4-5 | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River III D4-6 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C1-33 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River D4-4 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III D4-6 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River III C1-3 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River South A1-2 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South A3-2 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South A4-7 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South B1-8 | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River South B2-10 | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River South B2-2 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South B4-2 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South C1-10 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South C4-10 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South D1-2 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South D2-10 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South D3-3 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South 21291 (59243) | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South 21292 (59241) | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River South 21293 (59242) | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West | Antrim County, MI | RIVERSIDE ENERGY MICHIGAN LLC |  |  | 
| Green River West (Cedar River)(16a) | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River West (Crazy Horse A3-18)(16e) | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West (Crazy Horse C3-7)(16D) | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Green River West (Crazy Horse)(16C) | Antrim County, MI | MERCURY EXPLORATION CO |  |  | 
| Green River West (Little Big Horn)(16F) | Antrim County, MI | MERCURY EXPLORATION CO |  |  | 
| Green River West (Mancetucky)(16B) | Antrim County, MI | QUICKSILVER RESOURCES INC |  |  | 
| Green River West (Sitting Bull)(16G) | Antrim County, MI | MERCURY EXPLORATION CO |  |  | 
| Green River West, Little Big Horn C1-23, 60341 | Antrim County, MI | BREITBURN OPERATING LIMITED PARTNERSHIP |  |  | 
| Hawk Lake Unit | Antrim County, MI | D T E GAS AND OIL CO |  |  | 
| Helena 13 Antrim | Antrim County, MI | O I L ENERGY CORP |  |  | 
| Helena 23 Antrim | Antrim County, MI | RIVERSIDE ENERGY MICHIGAN LLC |  |  | 
| Helena 25 Antrim | Antrim County, MI | D T E GAS AND OIL CO |  |  | 
| Improv East (Mancelona East)(13) | Antrim County, MI | RIVERSIDE ENERGY MICHIGAN LLC |  |  |