TriMas Corporation Announces Second Quarter 2004 Earnings Teleconference Date

BLOOMFIELD HILLS, Mich., Aug. 6, 2004 -- TriMas Corporation will hold a conference call with investors on Wednesday, August 11 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 Chief Financial Officer Benson K. Woo will co-host the call.

To participate by phone, please dial: 888-275-8177. Callers should ask to be connected to the TriMas second quarter conference call.

If you are unable to participate during the live teleconference, a replay of the conference call will be available beginning August 11 at 6:30 p.m. EDT through August 18 at 6:30 p.m. EDT. To access the replay, please dial: 800-633-8284 and use reservation number 21204790.

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 http://www.trimascorp.com/ .