EX-99 2 mm10-0506form4e991.txt EXHIBIT 99.1 ------------ Name and Address of Reporting Person: Avista Capital Partners, L.P. c/o Avista Capital partners GP, LLC 65 East 55th Street, 18th Floor New York, New York 10022 Issuer Name and Ticker or Trading Symbol: Geokinetics Inc. [GOKN] Statement for Month/Day/Year: 10/4/2006 SIGNATURE OF REPORTING PERSON AVISTA CAPITAL PARTNERS, L.P. By: AVISTA CAPITAL PARTNERS GP, LLC, its general partner By: /s/ Ben Silbert ----------------------------------- Ben Silbert General Counsel JOINT FILER INFORMATION ----------------------- Name of Joint Filer: Avista Capital Partners (Offshore), L.P. Address of Joint Filer: c/o Avista Capital Partners GP, LLC 65 East 55th Street, 18th Floor New York, New York 10022 Designated Filer: Avista Capital Partners, L.P. Date of Event Requiring Statement: October 3, 2006 Issuer Name and Ticker Symbol: Geokinetics Inc. Signature: AVISTA CAPITAL PARTNERS (OFFSHORE), L.P. By: AVISTA CAPITAL PARTNERS GP, LLC, its general partner By: /s/ Ben Silbert -------------------------------- Ben Silbert General Counsel JOINT FILER INFORMATION ----------------------- Name of Joint Filer: Avista Capital Partners GP, LLC Address of Joint Filer: 65 East 55th Street, 18th Floor New York, New York 10022 Designated Filer: Avista Capital Partners, L.P. Date of Event Requiring Statement: October 3, 2006 Issuer Name and Ticker Symbol: Geokinetics Inc. Signature: AVISTA CAPITAL PARTNERS GP, LLC By: /s/ Ben Silbert -------------------------------- Ben Silbert General Counsel