DULLES, Va.Dec. 6, 2017-- Orbital ATK, Inc. (NYSE: OA) today announced that, as expected, it has received a request for additional information ( second request ) from the Federal Trade Commission (FTC). This second request is part of the regulatory process in connection with the FTC s review of Northrop Grumman s (NYSE: NOC) proposed acquisition of Orbital ATK.

The company continues to expect the acquisition to close in the first half of 2018, after receiving regulatory approvals.

About Orbital ATK

Orbital ATK is a global leader in aerospace and defense technologies. The company designs, builds and delivers space, defense and aviation systems for customers around the world, both as a prime contractor and merchant supplier. Its main products include launch vehicles and related propulsion systems; missile products, subsystems and defense electronics; precision weapons, armament systems and ammunition; satellites and associated space components and services; and advanced aerospace structures. Headquartered in Dulles, Virginia, Orbital ATK employs approximately 13,000 people across the U.S. and in several international locations. For more information, visit www.orbitalatk.com.

Cautionary Statement Regarding Forward Looking Statements

This press release contains forward-looking statements made pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements often include the words forecast, expect, believe, will, intend, plan, and words of similar substance.

Such forward-looking statements include the expected completion and timing of the proposed transaction. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those contemplated by the forward-looking statements, including the risks described in the Company s filings with the SEC, such as its Quarterly Reports on Form 10-Q and Annual Report on Form 10-K. The Company assumes no obligation to update the information in this communication, whether as a result of new information, future events or otherwise, except as otherwise required by law. Readers are cautioned not to place undue reliance on these forward-looking statements that speak only as of the date hereof.

Source: Orbital ATK, Inc.

Media/Investor Contact:
Orbital ATK, Inc.
Barron Beneski, 703-406-5528
Public and Investor Relations
barron.beneski@orbitalatk.com