DULLES, Va., April 16 /PRNewswire/ -- Orbital Sciences Corporation (NYSE: ORB) today announced that it will release its fourth quarter and year- end 2000 financial results prior to the opening of the market on Tuesday, April 17, 2001, and will conduct a conference call at 8:30 a.m. (EDT) tomorrow. The conference call will be hosted by Orbital's senior executives, including:

  • Mr. David W. Thompson, Chairman and Chief Executive Officer

  • Mr. James R. Thompson, President and Chief Operating Officer

  • Mr. Garrett E. Pierce, Executive Vice President and Chief Financial Officer

To access the conference call, dial 888-709-9516, and use the passcode "Orbital." A replay of the conference call will be available an hour after the end of the call and will remain active until 5:00 p.m. on April 24. For access to the conference call replay, dial 888-282-0031 (international callers should dial 402-998-0515) and use the passcode "5895."

For webcast registration and information, please visit Orbital's web site at http://www.orbital.com/investor or go to http://www.streetfusion.com . It is advisable to register at least 20 minutes prior to the call to download and install any necessary audio software.

Orbital is one of the world's leading manufacturers of low-cost space systems, including satellites, launch vehicles, space sensors and satellite ground systems. Orbital is also involved with satellite-based networks that provide wireless data communications and high-resolution Earth imagery to customers around the world.

More information about Orbital can be found at http://www.orbital.com .

CONTACT: Investors: Tim Perrott of Orbital Sciences Corporation,
703-406-5997, or perrott.timothy@orbital.com.

SOURCE Orbital Sciences Corporation

CONTACT: Media: Barron Beneski, 703-406-5528, or beneski.barron@orbital.com; or Investors: Tim Perrott, 703-406-5997, or perrott.timothy@orbital.com, both of Orbital Sciences Corporation/