(Dulles, VA 1 March 2012) – Orbital Sciences Corporation (NYSE: ORB) one of the world’s leading space technology companies, announced today that its Vice Chairman and Chief Financial Officer Garrett E. Pierce, will make a presentation to investors and analysts at the Raymond James 33rd Annual Institutional Investors Conference to be held in Orlando, FL on March 6, 2012. Mr. Pierce’s presentation is scheduled to begin at 8:05 a.m. (EST). 

Orbital will provide a link to the live audio webcast of the presentation and will post the informational slides that Mr. Pierce will use in his presentation 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

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