ATK President and Chief Executive Officer Mark DeYoung to Speak at Cowen and Company's 34th Annual Aerospace and Defense Conference

ARLINGTON, Va., Jan. 16, 2013 /PRNewswire/ -- ATK (NYSE: ATK) President and Chief Executive Officer Mr. Mark DeYoung will speak at Cowen and Company's 34th Annual Aerospace/Defense Conference on Wednesday, Feb. 6, 2013, in New York, N.Y. Mr. DeYoung is scheduled to provide formal comments to the conference attendees beginning at 9:40 a.m. (EST).

An audio-only webcast of the remarks will be available at http://www.atk.com/investor-information/webcasts/. A replay of the webcast will be available on ATK's website after the presentation and will remain on the site for 90 days.

ATK is an aerospace, defense, and commercial products company with operations in 21 states, Puerto Rico, and internationally. News and information can be found on the Internet at www.atk.com.

    Media Contact:                   Investor Contact:

    Amanda Covington                 Steve Wold
    Phone: 703-412-3231              Phone: 952-351-3056
    E-mail: amanda.covington@atk.com E-mail: steve.wold@atk.com

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