TriMas Corporation (NASDAQ: TRS) today announced that Heartland Industrial Associates, L.L.C., has agreed to sell 1,500,000 shares of its common stock to Goldman, Sachs & Co. as the sole underwriter in the registered public offering of those shares. All net proceeds from the sale of the common stock will be received by the selling stockholder. TriMas Corporation will not receive any of the proceeds. The total number of outstanding shares of TriMas Corporation’s common stock will not change as a result of this offering. The shares are being sold by the selling stockholder pursuant to an effective shelf registration statement. Goldman, Sachs & Co. may offer the shares of common stock from time to time for sale in one or more transactions on the NASDAQ Global Market, in the over-the-counter market, through negotiated transactions or otherwise at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices. A copy of the prospectus relating to these securities may be obtained, when available, from Goldman, Sachs & Co., Prospectus Department, 200 West Street, New York, NY 10282, telephone: 1-866-471-2526, facsimile: 212-902-9316, or by emailing firstname.lastname@example.org. Alternatively, interested parties may also obtain these documents, free of charge, by visiting EDGAR on the SEC Web site at www.sec.gov. This press release shall not constitute an offer to sell, nor the solicitation of an offer to buy, TriMas Corporation's common stock or any other securities, nor shall there be any sale of securities mentioned in this press release in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state. Cautionary Notice Regarding Forward-looking Statements Any “forward-looking” statements contained herein, including those relating to market conditions or the Company’s financial condition and results, expense reductions, liquidity expectations, business goals and sales growth, involve risks and uncertainties, including, but not limited to, risks and uncertainties with respect to general economic and currency conditions, various conditions specific to the Company’s business and industry, the Company’s leverage, liabilities imposed by the Company’s debt instruments, market demand, competitive factors, supply constraints, material and energy costs, technology factors, litigation, government and regulatory actions, the Company’s accounting policies, future trends, and other risks which are detailed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2012. These risks and uncertainties may cause actual results to differ materially from those indicated by the forward-looking statements. All forward-looking statements made herein are based on information currently available, and the Company assumes no obligation to update any forward-looking statements.