EXHIBIT 12.1

ST. MARY LAND & EXPLORATION COMPANY
RATIO OF EARNINGS TO FIXED CHARGES

Years Ended December 31,

2006

 

2005

 

2004

 

2003

 

2002

24.2%

 

23.2%

 

18.7%

 

17.3%

 

9.9%

 

The ratio of earnings to fixed charges has been computed by dividing earnings available for fixed charges (earnings from continuing operations before income taxes) by fixed charges (interest expense plus capitalized interest).