GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2006

Mar 10, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2006-03-08

Reporting Person: STILL CHARLES H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-08	Common Stock, par value $.01 per share	M	6300	$14	Acquired	7464	Direct
2006-03-08	Common Stock, par value $.01 per share	S	6300	$46.04	Disposed	1164	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-03-08	Options (right to buy)	$14	M	6300	Disposed	2007-11-26	Common Stock (6300)	Direct

Footnotes

F1: These shares were issue 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: The Form 4 filed on February 10, 2006, as in prior years, incorrectly included the securities underlying the vested options held by Mr. Still in the number of shares beneficially owned. This Form 4 correctly lists only actual shares held by Mr. Still in Item 5 of this Table I.

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

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