TriMas Corporation to Ring Opening Bell at the NYSE

BLOOMFIELD HILLS, Mich., May 22 /PRNewswire-FirstCall/ -- TriMas Corporation (NYSE: TRS) -- a diversified growth company of high-end, specialty niche businesses -- today announced that it will be ringing The Opening Bell(SM) at the New York Stock Exchange (NYSE) on Thursday, May 24. This event commemorates the recent listing of TriMas Corporation's common stock on the NYSE, which began trading on May 18, 2007, under the symbol TRS. The event will be broadcast live at www.nyse.com beginning at 9:25 a.m. EDT.

Copies of the prospectus relating to the common stock 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 email prospectus-ny@ny.email.gs.com; or, from Merrill Lynch & Co., at 4 World Financial Center, 250 Vessey Street, New York, NY, 10080, 212-449-1000.

About TriMas

Headquartered in Bloomfield Hills, Mich., TriMas Corporation is a diversified growth company of high-end, specialty niche businesses manufacturing a variety of products for commercial, industrial and consumer markets worldwide.

TriMas Corporation is organized into five strategic business groups: Packaging Systems, Energy Products, Industrial Specialties, RV & Trailer Products, and Recreational Accessories. TriMas Corporation has nearly 5,000 employees at 80 different facilities in 10 countries. For additional information, please visit http://www.trimascorp.com.

SOURCE TriMas Corporation

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