GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2007

Jun 11, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2007-06-07

Reporting Person: Rice Lacey (Vice President, HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-06-07	Common Stock, par value $.01 per share	M	283	$8.65	Acquired	283	Indirect
2007-06-07	Common Stock, par value $.01 per share	S	283	$78.67	Disposed	0	Indirect
2007-06-08	Common Stock, $.01 per share	M	1717	$8.65	Acquired	1717	Indirect
2007-06-08	Common Stock, $.01 per share	S	1717	$76.42	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-06-07	Options (right to buy)	$8.65	M	283	Disposed	2013-03-25	Common Stock (283)	Indirect
2007-06-08	Options (right to buy)	$8.65	M	1717	Disposed	2013-03-25	Common Stock (1717)	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: Pursuant to General Instruction C(iii) of Form 4, the exercise price is reported in Cell 2 of this Table II.

F4: These options were granted on July 20, 2004 and have an exercise price of $18.41. The options vested 25% on the first anniversary date of grant and 25% on each of the subsequent anniversary dates of grant. The options will vest fully on July 20, 2008 and will expire on July 20, 2014.