Orbital Sciences Corporation (NYSE: ORB) announced that it will host a conference call with investors and analysts later today to discuss yesterday’s launch failure of the company’s Antares rocket on a cargo delivery mission to the International Space Station for NASA. The call will begin at 1:00 p.m. (EDT) and will be hosted by:

Mr. David W. Thompson, Chairman and Chief Executive Officer
Mr. Garrett E. Pierce, Vice Chairman and Chief Financial Officer

To access to the conference call, dial (888) 541-8767 and use the conference ID number 28574595. The conference call will also be webcast through a link on Orbital’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 three days, until November 1, 2014.

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.