DAWSON GEOPHYSICAL CO — Director's Dealing 2008

Oct 27, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TGC INDUSTRIES INC (TGE)
CIK: 0000799165
Period of Report: 2008-10-24

Reporting Person: Brata James Kevin (Vice President)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-10-24	Stock Option	$3.37	A	30000	Acquired	2013-10-23	Common Stock (30000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	10000	Direct

Footnotes

F1: Restricted stock award with annual vesting of one-third of the shares beginning June 16, 2009.

F2: Stock options are exercisable as follows: one-third exercisable after 12 months from date of grant; two-thirds exercisable after twenty-four months from date of grant, and all exercisable after thirty-six months from date of grant.

F3: Not applicable.