DULLES, Va.Aug. 13, 2014-- Orbital Sciences Corporation (NYSE: ORB), one of the world s leading space technology companies, announced that its Chairman and Chief Executive Officer David W. Thompson will make a presentation later today at the Jefferies 2014 Global Industrials Conference being held in New York City. Mr. Thompson s presentation is scheduled to begin at 1:00 p.m. (EDT).

Orbital has posted links on its website to the live audio webcast of the presentation and to Mr. Thompson s slides.

About Orbital

Orbital develops and manufactures small- and medium-class rockets and space systems for commercial, military and civil government customers. The company s primary products are satellites and launch vehicles, including low-Earth orbit, geosynchronous-Earth orbit and planetary exploration spacecraft for communications, remote sensing, scientific and defense missions; human-rated space systems for Earth-orbit, lunar and other missions; ground- and air-launched rockets that deliver satellites into orbit; and missile defense systems that are used as interceptor and target vehicles. Orbital also provides satellite subsystems and space-related technical services to U.S. Government agencies and laboratories.

More information about Orbital can be found at http://www.orbital.com. Follow the company on Twitter @OrbitalSciences

Source: Orbital Sciences Corporation

Orbital Sciences Corporation
Barron Beneski (703) 406-5528
Public and Investor Relations
beneski.barron@orbital.com