Exhibit 99.1
 
JOINT FILING AGREEMENT
 
The undersigned hereby agree that the Statement on Schedule 13G dated July 1, 2010 with respect to the shares of Common Stock of Red Robin Gourmet Burgers, Inc., and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.


Dated:  July 1, 2010
THE LION FUND, L.P.
   
 
By:
Biglari Capital Corp.
General Partner
   
 
By:
/s/ Sardar Biglari
   
Sardar Biglari, Chief Executive Officer


 
BIGLARI CAPITAL CORP.
   
 
By:
/s/ Sardar Biglari
   
Sardar Biglari, Chief Executive Officer


 
BIGLARI HOLDINGS INC.
   
 
By:
/s/ Sardar Biglari
   
Sardar Biglari, Chief Executive Officer


 
/s/ Sardar Biglari
 
SARDAR BIGLARI