EXHIBIT 21.1
Subsidiaries of the Company
At December 31, 2012
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State or Jurisdiction of Organization |
| Subsidiaries |
| Ownership % |
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|
|
Delaware |
| COG Operating LLC ..................................................................................................................................................................................................... |
| 100% |
Delaware |
| Concho Oil & Gas LLC................................................................................................................................................................................................. |
| 100% |
Texas |
| Quail Ranch LLC........................................................................................................................................................................................................... |
| 100% |
Texas |
| COG Realty LLC........................................................................................................................................................................................................... |
| 100% |
Texas |
| COG Holdings LLC....................................................................................................................................................................................................... |
| 100% |
Texas |
| Delaware River SWD LLC........................................................................................................................................................................................... |
| 100% |
Texas |
| COG Production LLC.................................................................................................................................................................................................... |
| 100% |
Texas |
| COG Acreage LP............................................................................................................................................................................................................ |
| 100% |
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