Orbital Receives Contract For MEASAT-1R Commercial Communications Satellite

Contact: Barron Beneski, (703) 406-5000,

Orbital Receives Contract For MEASAT-1R Commercial Communications Satellite
First Order from Malaysian Operator is Company's Fourth Geostationary
Satellite Order in 2005

(Dulles, VA 14 November 2005) - Orbital Sciences Corporation (NYSE: ORB)
announced today that MEASAT Satellite Systems (MSE: MEASAT) of Kuala Lumpur,
Malaysia, has signed a contract to purchase one geosynchronous (GEO)
communications satellite from the company. The satellite, which will be
based on Orbital's industry-leading STARTM satellite platform, will be
called MEASAT-1R and will be launched into a Malaysian orbital slot at 91.5
degrees East Longitude over Southeast Asia. The launch of the new spacecraft
is scheduled for September 2007.

"Once again, our smaller-sized STARTM GEO satellite platform has proved to
be the right fit for an important satellite operator in Asia," said Dr. Ali
Atia, head of Orbital's commercial GEO satellite business unit. "We are
delighted to add MEASAT to the list of blue-chip customers who have
recognized the benefits of small satellites and adopted the 'STAR
small-satellite solution.'"

Speaking for MEASAT Satellite Systems, Mr. Tun Hanif said, "The MEASAT
91.5°E orbital location is developing into one of the region's premier
satellite slots, with more than two million antennas now focused on the
existing MEASAT-1 satellite. Our decision to procure MEASAT-1R shows our
commitment to support our customers' expanding requirements for
high-quality, high-powered satellite capacity. Orbital, with a strong track
record of delivering reliable spacecraft to schedule, was a clear choice for
us."

The new satellite will carry 12 Ku-band and 12 C-band active transponders
along with three antennas. The satellite will serve C-band markets
throughout the region with a global beam, and Ku-band beams will serve
direct-to-home broadcasting markets in Malaysia and Indonesia. The satellite
will generate approximately 3.6 kilowatts of payload power.

This is the fourth commercial communications satellite order received by
Orbital this year. Other operators who have chosen the company's STAR GEO
platform in 2005 include PanAmSat (NYSE: PA), which purchased the hybrid C-
and Ku-band PAS-11 satellite in April and the Horizons-2 satellite in August
as part of a joint venture with JSAT Corporation (Tokyo: JSAT). In addition,
Norway's Telenor Broadcast Services (OBX: Tel/Nasdaq: TELN) ordered the THOR
II-R Ku-band satellite from Orbital in September.

About Orbital

Orbital develops and manufactures small space systems for commercial, civil
government and military customers. The company's primary products are
satellites and launch vehicles, including low-orbit, geostationary and
planetary spacecraft for communications, remote sensing and scientific
missions; ground- and air-launched rockets that deliver satellites into
orbit; and missile defense boosters 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.



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Jacques :-)

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