EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • August 27th, 2007 • MHR Fund Management LLC • Drilling oil & gas wells
The undersigned hereby agree that this Statement with respect to the shares of common stock of Key Energy Services, Inc., dated as of August 27, 2007, is, and any amendments thereto (including amendments on Schedule 13D) signed by each 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) under the Securities Exchange Act of 1934.
