Exhibit 1
JOINT FILING AGREEMENT
This will confirm the agreement by and among all the undersigned that the
Schedule 13D filed on or about this date and any amendments thereto with respect
to beneficial ownership by the undersigned of shares of Common Stock, par value
$.01 per share, of Geokinetics Inc. is being filed on behalf of each of the
undersigned in accordance with Rule 13d-1(k)(1) under the Securities Exchange
Act of 1934. This agreement may be executed in counterparts, each of which shall
be deemed an original, but all of which together shall constitute one and the
same instrument.
September 12, 2006 AVISTA CAPITAL PARTNERS, L.P.
By: AVISTA CAPITAL PARTNERS GP, LLC,
its general partner
By: /s/ Xxx Xxxxxxx
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Xxx Xxxxxxx
General Counsel
AVISTA CAPITAL PARTNERS (OFFSHORE),
L.P.
By: AVISTA CAPITAL PARTNERS GP, LLC,
its general partner
By: /s/ Xxx Xxxxxxx
---------------------------------
Xxx Xxxxxxx
General Counsel
AVISTA CAPITAL PARTNERS GP, LLC
By: /s/ Xxx Xxxxxxx
---------------------------------
Xxx Xxxxxxx
General Counsel
