Includes the KeyBanc Capital Markets Industrials & Basic Materials Conference and the William Blair 42^nd Annual Growth Stock Conference

TriMas (NASDAQ: TRS) today announced that TriMas management plans to participate in the following investor conferences:

KeyBanc Capital Markets Industrials & Basic Materials Conference

Date: Thursday, June 2^nd

Location: Boston, Massachusetts

Participants: Thomas Amato, TriMas President and Chief Executive Officer, Fabio Salik, TriMas Packaging President, and Sherry Lauderback, Vice President Investor Relations

William Blair 42^nd Annual Growth Stock Conference

Date: Thursday, June 9^th

Location: Chicago, Illinois

Participants: Thomas Amato, TriMas President and Chief Executive Officer, Scott Mell, Chief Financial Officer, John Schaefer, TriMas Aerospace President, and Sherry Lauderback, Vice President Investor Relations

Presentation: 2:00 p.m. CT

Webcast: Links to the live audio webcast will be available on the Investor Relations section of the Company’s website at www.trimascorp.com or at https://wsw.com/webcast/blair66/trs/1806246.

Investors are encouraged to contact their KeyBanc Capital Markets and William Blair representatives for more information on the conferences or to schedule a meeting.

About TriMas

TriMas manufactures a diverse set of products primarily for the consumer products, aerospace and industrial markets through its TriMas Packaging, TriMas Aerospace and Specialty Products groups. Our approximately 3,500 dedicated employees in 13 countries provide customers with a wide range of innovative and quality product solutions through our market-leading businesses. Our TriMas family of businesses has strong brand names in the markets served, and operates under a common set of values and strategic priorities under the TriMas Business Model. TriMas is publicly traded on the NASDAQ under the ticker symbol “TRS,” and is headquartered in Bloomfield Hills, Michigan. For more information, please visit www.trimascorp.com.

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