Orbital develops and manufactures small space and rocket systems for commercial, military and civil government customers. The company's primary products are satellites and launch vehicles, including low-orbit, geosynchronous and planetary spacecraft for communications, remote sensing, scientific and defense 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 offers space-related technical services to government agencies and develops and builds satellite-based transportation management systems for public transit agencies and private vehicle fleet operators.

   Company:                Orbital Sciences Corporation

   Headquarters Address:   21839 Atlantic Blvd.
                           Dulles, VA 20166

   Main Telephone:         703-406-5000

   Website:                www.orbital.com

   Ticker:                 ORB(NYSE)

   Type of Organization:   Public

   Industry:               Manufacturing: Aerospace

   Key Executives:         CEO: David Thompson
                           CFO: Garrett Pierce

   Investor Relations
     Contact:              Barron Beneski
     Phone:                703-406-5528
     Email:                beneski.barron@orbital.com

    CONTACT: Orbital Sciences Corporation

    SOURCE: Orbital Sciences Corporation