GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2012

May 30, 2012

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2012-01-01

Reporting Person: Wheeler Walter R. (Executive Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.01 per share	15965	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Options (right to buy)	$8.65	2013-03-25	Common Stock (2000)		Direct
Options (right to buy)	$17.56	2018-12-05	Common Stock (3000)		Direct
Options (right to buy)	$43.89	2020-02-25	Common Stock (10000)		Direct

Footnotes

F1: This option is fully vested.

F2: This option vests in four equal annual installments beginning December 5, 2009 will be fully vested on December 5, 2012.

F3: This option vests in four equal annual installments beginning February 25, 2011 and will be fully vested on February 25, 2014.