EXHIBIT 21.1
SUBSIDIARIES
OF
ST. MARY LAND & EXPLORATION COMPANY
A. Wholly-owned subsidiaries of St. Mary Land & Exploration Company, a Delaware corporation:
1. Nance Petroleum Corporation, a Montana corporation
2. St. Mary Energy Company, a Delaware corporation
3. Four Winds Marketing LLC, a Colorado limited liability company
4. SMT Texas LLC, a Colorado limited liability company
5. Energy Leasing Inc., an Oklahoma corporation
B. Other subsidiaries of St. Mary Land & Exploration Company:
1. Box Church Gas Gathering LLC, a Colorado limited liability company (58.6754%)
2. Trinity River Services LLC, a Texas limited liability company (25%)
3. Sycamore Gas System, an Oklahoma general partnership (3%)
C. Wholly-owned subsidiaries of St. Mary Energy Company:
1. SMEC Texas LLC, a Colorado limited liability company
D. Partnership interests held by St. Mary Land & Exploration Company:
1. Hilltop Investments, a Colorado general partnership (50%)
2. Parish Ventures, a Colorado general partnership (100%)
E. Partnership interests held by SMT Texas LLC:
1. St. Mary East Texas LP, a Texas limited partnership (99%)(the remaining 1% interest is held by St. Mary Land & Exploration Company)
F. Partnership interests held by SMEC Texas LLC:
1. St. Mary Energy Texas LP, a Texas limited partnership (99%)(the remaining 1% interest is held by St. Mary Energy Company)
G. Partnership interests held by St. Mary energy Company:
1. Belring Company Ltd., a Texas limited partnership (99%)(the remaining 1% interest is held by Nance Petroleum Corporation)
2. 1974 H.B Joint Account, a Colorado general partnership (4%)
3. 1976 H.B Joint Account, a Colorado general partnership (9%)
4. 1977 H.B Joint Account, a Colorado general partnership (11%)
5. SMI 281 LLC, a Colorado limited liability company (2%)