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Exhibit 12.1


Antero Resources LLC
Ratio of Earnings to Fixed Charges
(in thousands, except ratio)

 
  2005   2006   2007   2008   Historical
2009
  Pro forma
2009
 

Earnings:

                                     

Net income (loss) before income taxes

    (46,634 )   (8,583 )   (38,153 )   86,709     (109,137 )   (109,137 )

Interest expense

    592     1,366     25,124     37,594     36,089     36,089  

Interest component of rental expense

    69     67     99     175     295     295  
                           
   

Earnings

    (45,973 )   (7,150 )   (12,930 )   124,478     (72,753 )   (72,753 )
                           

Fixed charges:

                                     
 

Interest expense

    592     1,366     25,124     37,594     36,089     36,089  
 

Interest component of rental expense

    69     67     99     175     295     295  

Pro forma adjustments:

                                     
 

Incremental interest expense on issuance of notes

                                  20,161  
                           
   

Fixed charges

    661     1,433     25,223     37,769     36,384     56,545  
                           

Ratio of earnings to fixed charges

    NA     NA     NA     3.30     NA     NA  



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Antero Resources LLC Ratio of Earnings to Fixed Charges (in thousands, except ratio)