Princeton Junction, NJ - Oct. 14, 2009 - MISTRAS Group, Inc. (NYSE:MG), a leading global provider of technology-enabled asset protection solutions, today announced that the underwriters of its initial public offering exercised their over-allotment option to purchase 1,300,000 additional shares of MISTRAS Group common stock at the initial public offering price of $12.50 per share, less underwriting discounts and commissions, from certain selling stockholders. With this exercise, the MISTRAS Group's initial public offering totaled 10,000,000 shares of its common stock.

These shares began trading on the New York Stock Exchange on October 8, 2009 under the ticker symbol "MG." MISTRAS Group sold 6,700,000 shares of common stock, and selling stockholders, including Thayer | Hidden Creek Partners and Altus Capital Partners, sold the remaining 3,300,000 shares in the offering. Thayer | Hidden Creek Partners and Altus Capital Partners sold all of the over-allotment shares J.P. Morgan, Credit Suisse and BofA Merrill Lynch acted as joint book-running managers for the offering. Robert W. Baird & Co. acted as a co-manager of the offering.

J.P. Morgan, Credit Suisse and BofA Merrill Lynch are acting as joint book-running managers for the offering. Robert W. Baird & Co. is acting as a co-manager of the offering.

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission on October 7, 2009. Any offer or sale will be made only by means of a written prospectus forming part of the effective registration statement. A copy of the final prospectus may be obtained directly from:

J.P. Morgan


National Statement Processing
Prospectus Library
4 Chase Metrotech Center
CS Level
Brooklyn, New York, NY 11245
ph: 1-718-242-8002

Credit Suisse
Prospectus Department
One Madison Avenue 1B


New York, NY 10010
ph: 1-800-221-1037

BofA Merrill Lynch
Prospectus Department
4 World Financial Center
New York, NY 10080

This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities in this offering, nor shall there be any sale, offer or solicitation of these securities in any state or jurisdiction in which such sale, offer or solicitation would be unlawful prior to registration or qualification under the securities laws of any state or jurisdiction.

Contact:
Mike Kandell, Director of External Reporting, +1(609)716-4107.