NASDAQ GS
DWSN

Dawson Geophysical Company

Shareholder Corporation Litigation

Rigrodsky & Long, P.A. Announces Investigation Of Dawson Geophysical Company (NASDAQ GS: DWSN) Merger

Rigrodsky & Long, P.A. announces that it is investigating potential legal claims against the board of directors of Dawson Geophysical Company (“Dawson” or the “Company”) (NASDAQ GS: DWSN) regarding possible breaches of fiduciary duties and other violations of law related to the Company’s entry into an agreement to merge with TGC Industries, Inc. (“TGC”) (NASDAQ GS: TGE).

Under the terms of the agreement, following a 1-for-3 reverse stock split by TGC, Dawson shareholders will receive 1.76 shares of TGC split-effected common stock for each share of Dawson common stock held at the effective time of the transaction, with cash to be paid in lieu of any fractional shares.

The investigation concerns whether Dawson’s board of directors failed to adequately shop the Company and obtain the best possible value for Dawson’s shareholders before entering into an agreement with TGC.

If you own the common stock of Dawson and purchased your shares before October 9, 2014, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Seth D. Rigrodsky or Gina M. Serra at Rigrodsky & Long, P.A., 2 Righter Parkway, Suite 120, Wilmington, DE 19803, by telephone at (888) 969-4242; by e-mail to info@rl-legal.com.

Rigrodsky & Long, P.A., with offices in Wilmington, Delaware and Garden City, New York, regularly prosecutes securities class, derivative and direct actions, shareholder rights litigation and corporate governance litigation, on behalf of shareholders in states and federal courts throughout the United States.

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