NGC Receives FTC Clearance to Close Acquisition of Orbital ATK and Updates 2018 Financial Guidance

Northrop Grumman Corporation (NYSE: NOC) announced today that the U.S. Federal Trade Commission (FTC) has cleared Northrop Grumman’s proposed acquisition of Orbital ATK Inc. The FTC’s Bureau of Competition has completed its review of the merger, and the Premerger Notification Office has informed the company that the waiting period under the HSR Act has terminated, allowing the companies to complete the merger. As part of that clearance, the FTC issued a decision and order providing for solid rocket motors to be available on a non-discriminatory basis under specified circumstances and under processes defined in the order. The company expects to complete the transaction after market close tomorrow and is issuing the following updated guidance. This updated guidance assumes the completion of the transaction tomorrow.