Summary of TGC INDUSTRIES INC

Results of Operations and Financial Condition, Regulation FD Disclosure, Finan

Item 2.02. Results of Operations and Financial Condition.

TGC Industries, Inc. ("TGC") expects to make presentations concerning its business to potential investors on June 26, 2012. The materials to be utilized during the presentations (the "Materials") are furnished as Exhibit 99.1 hereto and incorporated herein by reference. The Materials include information regarding the quarter ended March 31, 2012.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), unless specifically identified therein as being incorporated therein by reference.

In the Materials, TGC has included as "non-GAAP financial measures," as defined in Item 10 of Regulation S-K of the Exchange Act, net income plus interest expense, income taxes, and depreciation and amortization expense ("EBITDA"). In the Materials, TGC has provided reconciliations of the non-GAAP financial measures to the most directly comparable financial measures calculated and presented in accordance with generally-accepted accounting principles ("GAAP") in the United States. In addition, in the Materials TGC has provided the reasons why TGC believes those non-GAAP financial measures provide useful information to the investors.

Item 7.01. Regulation FD Disclosure.

Attached hereto as Exhibit 99.1 are the Materials to be used by TGC in making presentations concerning its business to potential investors.

The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Exchange Act and will not be incorporated by reference into any filing under the Securities Act unless specifically identified therein as being incorporated therein by reference.