PLANO, Texas, Feb. 8 /PRNewswire-FirstCall/ -- TGC Industries, Inc. (NASDAQ:TGE) today announced plans to release fourth quarter and year-end 2009 financial results on Monday, March 1, 2010 before the market opens. In conjunction with the release, TGC Industries has scheduled a conference call, which will be broadcast live over the Internet the same day at 9:30 a.m. eastern time (8:30 a.m. central time). What: TGC Industries Fourth Quarter Earnings Conference Call When: Monday, March 1, 2010 - 9:30 a.m. eastern / 8:30 a.m. central Live via phone by dialing 480-629-9819 and asking for the TGC Industries call at least 10 minutes prior to the start time, or live over the Internet by logging onto the web at the How: address below Where: http://www.tgcseismic.com/ A telephonic replay of the conference call will be available through March 15, 2010 and may be accessed by calling 303-590-3030 using passcode 4216113#. A web cast archive will also be available at http://www.tgcseismic.com/ shortly after the call and will be accessible for approximately 90 days. TGC Industries, Inc., based in Plano, Texas, is a leading provider of seismic data acquisition services, with operations throughout the continental United States and Canada. The Company has branch offices in Houston, Oklahoma City and Calgary. CONTACTS: Wayne Whitener Chief Executive Officer TGC Industries (972) 881-1099 Jack Lascar / Karen Roan DRG&E (713) 529-6600 DATASOURCE: TGC Industries, Inc. CONTACT: Wayne Whitener, Chief Executive Officer of TGC Industries, +1-972-881-1099; or Jack Lascar or Karen Roan, both of DRG&E, +1-713-529-6600 Web Site: http://www.tgcseismic.com/

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