-- 8:30 a.m. (EST) Conference Call with Financial Analysts and Investors to be Webcast --

DULLES, Va.Nov. 4, 2014-- Orbital Sciences Corporation (NYSE:ORB) today announced that it will host a conference call with investors and analysts on Wednesday, November 5 at 8:30 a.m. (EST) to discuss the company s plans to fulfill its commitments to NASA for cargo delivery services to the International Space Station and to upgrade the Antares launch vehicle. The call 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 the conference call, dial (888) 541-8767 and use the conference ID number 31422418. 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 online or by dialing (855) 859-2056 and using the same conference ID number. The replay will remain active for one week, until November 12, 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

Source: Orbital Sciences Corporation

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