Collaboration to establish pilot manufacturing line for DuraTi™ Lightweight Armor

BLOOMFIELD HILLS, Mich.,, June 14, 2011 — (PRNewswire) — TriMas Corporation (NASDAQ: TRS) – a diversified manufacturer of engineered and applied products – announced today that one of its subsidiaries, NI Industries, has signed an advanced manufacturing development agreement with Solidica.

The agreement establishes a pilot manufacturing line for DuraTi™, Solidica's revolutionary lightweight armor developed for military/defense and security applications. Suitable for both legacy and new platforms, DuraTi™ reduces the weight of select ballistic applications by up to 25 percent as compared to conventional materials currently in use in Afghanistan and Iraq.

"The production of such an exciting new armor solution continues the prominent legacy of innovation and manufacturing excellence that has characterized NI Industries' contributions to our national security since the late 1930s," said Anil Shanbhag, vice president and general manager of NI Industries. "We're thrilled to partner with Solidica to advance DuraTi™ production capability so that we can meet the growing demand for lightweight armor alternatives necessary for enhanced survivability and increased platform mobility."

Located within the Rock Island Arsenal in Illinois, NI Industries will lead the development of the manufacturing parameters and processes.

Dr. Ken Johnson, Solidica president and CEO states, "This collaboration combines the established materials product development capability of Solidica and the rich defense manufacturing expertise of NI Industries in a powerful way that will accelerate the time to market and launch this much needed armor innovation."

Developed over the past five years with support from several defense agencies, DuraTi™ is designed to serve as a replacement for conventional metal armor systems at a reduced weight and a cost far below that of exotic composite ceramic solutions. Solidica reports that targeted platforms include the HMMWV Recapitalization effort, as well as a variety of legacy light and medium armored platforms, military personnel transports, and next generation light tactical vehicles.

About NI Industries, Inc.

Formed in the early 1930, NI Industries (formerly known as Norris Industries) is a leading manufacturer of metal munitions components supporting various weapons systems. Over the years, NI has played a vital role in the design, development and high-volume manufacture of metal components for the U.S. and Allied militaries. Currently headquartered in Rock Island, IL, NI will operate the Quad Cities Cartridge Case Facility on behalf of the Joint Munitions & Lethality Life Cycle Management Command.

About Solidica

Headquartered in Ann Arbor, MI, Solidica is a technology-rich producer of vehicle optimization technologies that increase platform operational efficiencies and reduce vehicle life cycle ownership costs.  Operating two divisions focused on materials innovation and vehicle monitoring electronics respectively, Solidica serves the full range of heavy truck platform markets, including military, mining, distribution, utility, electric vehicles, and construction.  Visit their website at www.solidica.com for more information or contact Dena Wessel at (734) 222-4680 x136.

About TriMas

Headquartered in Bloomfield Hills, Michigan, TriMas Corporation (NASDAQ: TRS) provides engineered and applied products for growing markets worldwide. TriMas is organized into six reportable segments: Packaging, Energy, Aerospace & Defense, Engineered Components, Cequent Asia Pacific and Cequent North America. TriMas has approximately 3,900 employees at more than 60 different facilities in 11 countries. For more information, visit www.trimascorp.com.

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TriMas Corporation NI Industries Solidica Web: http://www.trimascorp.com