EXHIBIT A JOINT FILING AGREEMENT
EXHIBIT A
JOINT FILING AGREEMENT
JOINT FILING AGREEMENT
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.
Date: August 27, 2007
MHR INSTITUTIONAL PARTNERS III LP |
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By: | MHR Institutional Advisors III LLC, its General Partner | |||
By: | /s/ Xxx Xxxxxxxxx | |||
Name: | Xxx Xxxxxxxxx | |||
Title: | Vice President | |||
MHR INSTITUTIONAL ADVISORS III LLC |
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By: | /s/ Xxx Xxxxxxxxx | |||
Name: | Xxx Xxxxxxxxx | |||
Title: | Vice President | |||
MHR FUND MANAGEMENT LLC |
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By: | /s/ Xxx Xxxxxxxxx | |||
Name: | Xxx Xxxxxxxxx | |||
Title: | Vice President | |||
XXXX X. XXXXXXXX, M.D. |
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By: | /s/ Xxx Xxxxxxxxx, Attorney in Fact | |||