TriMas Corporation Holds Second Quarter 2003 Earnings Teleconference Today

BLOOMFIELD HILLS, Mich., Aug. 12, 2003 -- TriMas Corporation will hold a conference call with investors today at 3:30 p.m. (EDT) to discuss its second quarter results, provide a general business update and respond to investor questions. TriMas Corporation President and CEO Grant H. Beard and Executive Vice President and CFO Todd R. Peters will co-host the call.

To participate by phone, please dial: 800-263-9163. Callers should ask to be connected to the TriMas second quarter conference call. The TriMas second quarter 2003 earnings presentation is posted on the TriMas web site at www.trimascorp.com .

If you are unable to participate during the live teleconference, a replay of the conference call will be available beginning August 12 at 6:30 p.m. (EDT) through August 19 at 6:30 p.m. (EDT). To access the replay, please dial: 800-633-8284 and use reservation number 21156485.

About TriMas

Headquartered in Bloomfield Hills, Mich., 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 four strategic business groups: Cequent Transportation Accessories, Rieke Packaging Systems, Fastening Systems and Industrial Specialties. TriMas has nearly 5,000 employees at 80 different facilities in 10 countries. For more information, visit www.trimascorp.com .