GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2012

May 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2012-05-30

Reporting Person: Adams Robbin B. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-29	Common Stock, par value $.01 per share	M	750	$17.56	Acquired	1525	Direct
2012-05-29	Common Stock, par value $.01 per share	S	750	$97	Disposed	775	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-29	Options (right to buy)	$17.56	M	750	Disposed	2012-12-05	Common Stock (750)	Direct

Footnotes

F1: These shares were issued upon the exercise of options (described in Table II) and then immediately sold.

F2: The shares that were issued upon the exercise of options were immediately sold, as is presented in Table I.

F3: This option became exercisable in equal annual installments over a four year period. The option will become fully exercisable on December 5, 2012.

F4: This number represents the partial exercise of the option issued to Mr. Adams in December 2008 to purchase shares of common stock, par value $.01 per share, of OYO Geospace Corporation.

F5: Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in Cell 2 of this Table II.

F6: Includes options to purchase shares of common stock, par value $.01 per share, of OYO Geospace Corporation having varying exercise dates, expiration dates and exercise prices.