GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2007

Mar 6, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2007-03-02

Reporting Person: STILL CHARLES H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-03-02	Common Stock, par value $.01 per share	M	3150	$27.50	Acquired	4314	Direct
2007-03-02	Common Stock, par value $.01 per share	M	3150	$25.25	Acquired	7464	Direct
2007-03-02	Common Stock, par value $.01 per share	M	3150	$47.35	Acquired	10614	Direct
2007-03-06	Common Stock, par value $.01 per share	S	9450	$68.74	Disposed	1164	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-03-02	Options (right to buy)	$27.50	M	3150	Disposed	2008-06-30	Common Stock (3150)	Direct
2007-03-02	Options (right to buy)	$25.25	M	3150	Disposed	2011-01-26	Common Stock (3150)	Direct
2007-03-02	Options (right to buy)	$47.35	M	3150	Disposed	2016-02-08	Common Stock (3150)	Direct

Footnotes

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

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

F3: Pursuant to General Instruction C(iii) of Form 4, the exercise price is reported in Item 2 of this Table II.

F4: Includes options to purchase the Company's Common Stock having varying exercise dates, expiration dates and exercise prices.

F5: Reflects the option to purchase shares of the Company's Common Stock at an exercise price of $47.35 per share. This option became exercisable on February 8, 2007 and will expire on February 8, 2016.