EXHIBIT 21.1
SUBSIDIARIES
OF
SM ENERGY COMPANY
A. Wholly-owned subsidiaries of SM Energy Company, a Delaware corporation:
1. Four Winds Marketing, LLC, a Colorado limited liability company
2. SMT Texas LLC, a Colorado limited liability company
3. Energy Leasing, Inc., an Oklahoma corporation
4. Belring GP LLC, a Delaware limited liability company
5. St. Mary Energy Louisiana LLC, a Delaware limited liability company
6. Hilltop Investments, a Colorado general partnership
7. Parish Ventures, a Colorado general partnership
B. Other subsidiaries of SM Energy Company:
1. Box Church Gas Gathering, LLC, a Colorado limited liability company (59%)
C. Partnership or limited liability company interests held by SM Energy Company:
1. Potato Creek Midstream, LLC, a Pennsylvania limited liability company (70%)
2. Wilkinson Pipeline, LLC, a Mississippi limited liability company (24%)
3. Trinity River Systems, LTD, a Texas limited partnership (21%)
4. 1977 H.B Joint Account, a Colorado general partnership (8%)
5. 1976 H.B Joint Account, a Colorado general partnership (9%)
6. 1974 H.B Joint Account, a Colorado general partnership (4%)
7. Sycamore Gas Systems, an Oklahoma general partnership (3%)
D. Partnership interests held by SMT Texas, LLC:
1. St. Mary Land East Texas LP, a Texas limited partnership (99%) (the remaining 1% interest is held by SM Energy Company)