TriMas
:
May 13, 2010

TriMas Corporation (TRS) President and CEO to Ring the NASDAQ Stock Market Closing Bell

ADVISORY, May 13, 2010 (GlobeNewswire via COMTEX News Network) -- What:

Dave Wathen, President and CEO of TriMas Corporation [TRS], will visit the NASDAQ MarketSite in New York City's Times Square and preside over the NASDAQ Closing Bell.

Where:

NASDAQ MarketSite -- 4 Times Square -- 43rd & Broadway -- Broadcast Studio

When:

Thursday, May 13th, 2010 at 3:45 p.m. to 4:00 p.m. ET

Contacts:

Sherry Lauderback sherrylauderback@trimascorp.com

NASDAQ MarketSite:

Jolene Libretto (646) 441-5220 Jolene.Libretto@NASDAQOMX.com

Feed Information:

The Closing Bell is available from 3:50 p.m. to 4:05 p.m. on AMC-3/C-3 (ul 5985V; dl 3760H). The feed can also be found on Ascent fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Radio Feed:

An audio transmission of the Closing Bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Ascent fiber 1623 as well.

Facebook and Twitter:

For multimedia features such as exclusive content, photo postings, status updates and video of bell ceremonies please visit our Facebook page at:

http://www.facebook.com/pages/NASDAQ-OMX/108167527653

For news tweets, please visit our Twitter page at:

http://twitter.com/nasdaqomx

Webcast:

A live webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx

Photos:

To obtain a high-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice.

About TriMas Corporation [TRS]:

Headquartered in Bloomfield Hills, Michigan, TriMas Corporation (Nasdaq:TRS) provides engineered and applied products for growing markets worldwide. TriMas Corporation is organized into five strategic business segments: Packaging, Energy, Aerospace & Defense, Engineered Components and Cequent. TriMas Corporation has approximately 3,900 employees at over 60 different facilities in 11 countries.

We invite you to learn more about TriMas by visiting our website at www.trimascorp.com

About NASDAQ OMX:

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with approximately 3,700 listed companies. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market, NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and exchange-traded funds. NASDAQ OMX technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com. *Please follow NASDAQ OMX on Facebook (http://www.facebook.com/pages/NASDAQ-OMX/108167527653) and Twitter (http://www.twitter.com/nasdaqomx).

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: The NASDAQ OMX Group, Inc.

NDAQA

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