Company to Report GAAP and Pro Forma Quarterly Results Due to Recent
Merger; Fiscal Year End Results Also to be Released
9:00 a.m. Conference Call with Financial Analysts and Investors to be
Webcast
DULLES, Va.May 8, 2015--
Orbital ATK, Inc. (NYSE: OA), a global leader in aerospace and defense
technologies, today announced that it will release both GAAP and pro
forma financial results for the first three months of 2015, as well as
results for the company s fiscal year (April 1, 2014 to March 31, 2015)
before the opening of the market on May 28, 2015. The company will also
provide annual financial guidance for calendar year 2015. Orbital ATK
was formed by the merger of Orbital Sciences Corporation and Alliant
Techsystems Inc. that closed on February 9, 2015.
Orbital ATK will conduct a conference call with financial analysts and
investors the same morning to discuss the results and company outlook.
The call will begin at 9:00 a.m. (EDT) and will be hosted by:
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Mr. David W. Thompson, President and Chief Executive Officer
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Mr. Garrett E. Pierce, Chief Financial Officer
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Mr. Blake E. Larson, Chief Operating Officer
To access the conference call, dial (888) 541-8767 and use the
conference ID number 42619413. The conference call will be webcast live
on Orbital ATK s web site at www.orbital.com/investor.
A replay of the conference call will be available later in the day
online or by dialing (855) 859-2056 and using the same conference ID
number. The replay will remain active for one week, until June 4, 2015.
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 more than 12,000 people in 20 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@orbital.com