OYO Geospace Corp.

Gary D. Owens joined the Company as President and Chief Executive Officer in 1997 and became a director and Chairman of the board in that year. From October 1993 until May of 1997, Mr. Owens was the President and Chief Executive Officer of Input/Output, Inc. Mr. Owens had held other positions at Input/Output, Inc. beginning in 1977.

Michael J. Sheen joined the Company as Senior Vice President and Chief Technical Officer in August 1997, and became a director in connection with the Company’s initial public offering in 1997. Mr. Sheen had been a Senior Vice President and Chief Technical Officer of Input/Output, Inc. beginning in 1991, and had held other positions at Input/Output, Inc. starting in 1977.

Thomas T. McEntire joined the Company as Chief Financial Officer in September of 1997. Mr. McEntire had been Financial Controller of APS Holding Corporation (“APS”) beginning in February 1995, and held other senior financial management positions since joining APS in 1990. Prior to joining APS, Mr. McEntire held various positions with Coopers & Lybrand L.L.P. from 1982 to 1990.

Lacey C. Rice joined the Company as Vice President of Human Resources in July of 2004. Prior to joining the Company, Ms. Rice was the payroll manager for U.S. operations at Schlumberger Oilfield Services. Prior to joining Schlumberger in February 2002, Ms. Rice held senior level positions in human resources with Baker Oil Tools and Baker Hughes, Inc., from 1998 to 2002; and Input/Output, Inc. from 1977 to 1997.

Charles H. Still became a director in connection with the Company s initial public offering in 1997. He has been Secretary, serving in a non-executive capacity, since the Company s formation in September 1994 and Secretary of various affiliates and predecessors of the Company since 1980. He has been a partner in the law firm of Fulbright & Jaworski L.L.P. since 1975. As of January 1, 2008, Mr. Still retired as a partner in that firm and became Of Counsel.

Katsuhiko Kobayashi joined OYO Corporation, the sole stockholder of OYO U.S.A., in 1995 and has been a director and a senior executive officer since March 2001. Mr. Kobayashi was elected to serve as the President of OYO U.S.A. on May 31, 2002 and is currently serving in that position. He has served as a director of the Company since 1995. From 1967 to 1995, Mr. Kobayashi was employed by Sanwa Bank in its international banking area, where he last held the position of general manager of the International Credit Administration Department from 1993 to 1995.

Thomas L. Davis, Ph.D. became a director in connection with the Company s initial public offering in November 1997. Dr. Davis is a Professor of Geophysics at the Colorado School of Mines, where he has worked since 1980. He has also been a coordinator of the Reservoir Characterization Project, an industry consortium of the Colorado School of Mines, since it was founded in 1985, with the objective of characterizing reservoirs through development and application of 3-D and time lapse 3-D multicomponent seismology. Dr. Davis consults and lectures worldwide and has written and co-edited numerous papers and other works in the field of seismic interpretation.

William H. Moody has been a director since July of 2004. Mr. Moody served with KPMG in many capacities including managing partner, audit partner-in-charge and Securities and Exchange Commission reviewing partner until his retirement in June 1996. Mr. Moody is also a member of the board of directors, and a member of the audit committee of the board of directors of Remote Knowledge, Inc., a position he has held since November 2004.