DULLES, Va., Jun 04, 2010 (BUSINESS WIRE) --Orbital Sciences Corporation (NYSE:ORB) announced today that Vice Chairman and Chief Financial Officer Garrett E. Pierce will make a presentation to investors and analysts at the Morgan Joseph 2010 Best Ideas Conference to be held in New York City on June 9, 2010. Mr. Pierce's presentation is scheduled to begin at 1:30 p.m. (EDT).

On the day of the conference, Orbital will provide a link to the live audio webcast of the presentation and will post the informational slides that Mr. Pierce will present on the company's web site at: http://www.orbital.com/Investor/. The slides will be posted prior to the beginning of the live presentation.

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

SOURCE: Orbital Sciences Corporation

Orbital Sciences Corporation
Public and Investor Relations
Barron Beneski, 703-406-5528