GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2008

Dec 31, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2008-12-29

Reporting Person: KOBAYASHI KATSUHIKO (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-12-29	Common Stock, par value $.01	P	9816	$17.42	Acquired	1266098	Indirect
2008-12-30	Common Stock, par value $.01	P	7504	$17.14	Acquired	1273602	Indirect

Footnotes

F1: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by OYO Corporation U.S.A. on February 14, 2007, as amended on December 10, 2008.