TriMas
:
May 18, 2007

TriMas Corporation Announces Pricing of Initial Public Offering of Common Stock

TriMas Corporation Announces Pricing of Initial Public Offering of Common Stock

BLOOMFIELD HILLS, Mich., May 18 /PRNewswire-FirstCall/ -- TriMas Corporation -- a diversified growth company of high-end, specialty niche businesses -- today announced the pricing of its initial public offering of 11 million shares of common stock at $11 per share. Shares of TriMas' common stock will begin trading on the New York Stock Exchange (NYSE) today, under the symbol TRS.

All shares in the offering are being sold by TriMas and the company has granted to the underwriters an option to purchase up to 1.65 million additional shares of its common stock at the public offering price to cover any over-allotments. Net proceeds from this offering are expected to approximate $109 million. Goldman, Sachs & Co. and Merrill Lynch & Co. acted as joint book running managers for the offering.

A registration statement relating to these securities has been filed with the United States Securities and Exchange Commission and is now effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

The offering of the common stock may be made only by means of a prospectus, copies of which may be obtained from: Goldman, Sachs & Co., Prospectus Department, 85 Broad St., New York, NY 10004, telephone: 212-902- 1171, fax: 212-902-9316, or e-mail: prospectus-ny@ny.email.gs.com; or, from Merrill Lynch & Co., at 4 World Financial Center, 250 Vesey Street, New York, NY, 10080, 212-449-1000.

About TriMas

Headquartered in Bloomfield Hills, Michigan, TriMas is a diversified growth company of high-end, specialty niche businesses, manufacturing a variety of products for commercial, industrial and consumer markets worldwide. TriMas is organized into five strategic business groups: Packaging Systems, Energy Products, Industrial Specialties, RV & Trailer Products, and Recreational Accessories. TriMas has nearly 5,000 employees at 80 different facilities in 10 countries.

SOURCE TriMas Corporation

CONTACT:
E.R. "Skip" Autry
Chief Financial Officer
TriMas Corporation
1-248-631-5496