ATK and Orbital Announce Wedding Plans

ATK and Orbital Receive U.S. DOJ Clearance for Proposed Merger
“Alliant Techsystems Inc. (“ATK”) (NYSE: ATK) and Orbital Sciences Corporation (“Orbital”) (NYSE: ORB) announced that the U.S. Department of Justice (“DOJ”) has unconditionally cleared the proposed merger of ATK’s Aerospace and Defense Groups with Orbital. The U.S. Federal Trade Commission (“FTC”) informed ATK and Orbital today, December 4, 2014, that the FTC and DOJ terminated the Hart-Scott-Rodino waiting period effective December 4, 2014. As previously announced, ATK and Orbital have entered into a transaction agreement, whereby ATK’s Aerospace and Defense Groups will merge with Orbital immediately following the spin-off of ATK’s Sporting Group business to ATK stockholders as a newly formed company called Vista Outdoor Inc.”