PRINCETON JUNCTION, N.J., October 2009

MISTRAS Group, Inc., (NYSE: MG) today announced the pricing of the initial public offering of 8,700,000 shares of its common stock at $12.50 per share. The shares began trading on the New York Stock Exchange on October 8, 2009 under the ticker symbol “MG.” MISTRAS Group offered 6,700,000 shares of common stock, and selling stockholders, including Thayer | Hidden Creek and Altus Capital Partners, offered the remaining 2,000,000 shares in the offering. In addition, selling stockholders have granted the underwriters a 30-day option to purchase up to 1,300,000 shares of common stock at the initial public offering price to cover over-allotments, if any.

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.