DULLES, Va.Oct. 20, 2017-- Orbital ATK, Inc. (NYSE: OA), a global leader in aerospace and defense technologies, today announced that it will issue a press release at approximately 6:00 a.m. (EDT) on November 2, 2017 to report its third quarter 2017 financial results. Due to the announced acquisition of Orbital ATK by Northrop Grumman, the company will not conduct a conference call to discuss the quarterly results.

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 in 18 states across the U.S. and in several international locations. For more information, visit www.orbitalatk.com.

Source: Orbital ATK, Inc.

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