ATK News Release:

ATK President and CEO Mark DeYoung to Speak at Barclays Conference

Feb 4, 2014

ARLINGTON, Va., Feb. 4,  2014 /PRNewswire/ -- ATK (NYSE: ATK) will webcast the remarks of its President and Chief Executive Officer, Mark DeYoung, when he speaks at the Barclays Industrial Select Conference on Thursday, Feb. 20, 2014, in Miami, Fla. Mr. DeYoung is scheduled to provide formal comments to the conference attendees beginning at 2:10 p.m. (EST).

(Photo:  http://photos.prnewswire.com/prnh/20130628/CG40315)

Access to the audio-only webcast will be available at: http://ir.atk.com/phoenix.zhtml?c=118594&p=irol-audioarchives. 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 22 states,Puerto Rico and internationally.  News and information can be found on the Internet at www.atk.com, on Facebook atwww.facebook.com/atk or on Twitter @ATK.