New Satellite SIRIUS 4 Ready for Launch

SES SIRIUS, an SES ASTRA company, announced today that its new
satellite SIRIUS 4 has been fully integrated into the fairing of the
launch vehicle, a Proton rocket, and is ready for launch on 18
November at the Baikonur Cosmodrome in Kazakhstan. The satellite, an
A2100 AX type built by Lockheed Martin Commercial Space Systems, is
being launched by International Launch Services (ILS) into SIRIUS
orbital position 5 degrees East. SES ASTRA is an SES company
(Paris:SESG) (LuxX:SESG).

The launch of SIRIUS 4 will allow SES SIRIUS to further strengthen
its satellite fleet and will provide broadcast and broadband services
for SES SIRIUS customers across Europe, with an extended reach into
Eastern Europe. SIRIUS 4 will also carry an African beam which will be
marketed by SES ASTRA.

"The launch of SIRIUS 4 will benefit all our customers across
Europe," said Hakan Sjodin, Managing Director of SES SIRIUS. "It will
have an extended coverage over Eastern Europe where we see our market
expansion and, with its 52 Ku-band transponders, will also offer large
bandwidth capacity to meet the growing demand for HDTV services."

Webcast and photos will be made available at www.ses-sirius.com

Details for SIRIUS 4 launch broadcast - test signals begin about
03.45 local time (17 Nov 22:45 CET). Transmission on SIRIUS 2
transponder 29 with following reception parameters:

-0-
*T
Downlink frequency: 12,265 MHz / downlink polarization:
horizontal /
Transponder transmission 27500 QPSK FEC 3/4
rate:
Service name: SIRIUS4 launch
*T

About SES SIRIUS AB www.ses-sirius.com

SES SIRIUS AB owns and operates the SIRIUS satellite system
(SIRIUS 2 and 3). SIRIUS is a leading satellite system in the Nordic
and Baltic countries and Central and Eastern Europe. It offers
cost-effective solutions for TV and radio broadcasts and broadband
services in these regions. The SIRIUS satellites are positioned at 5
degrees East and offer reliable communication links across Europe.

SES SIRIUS AB is 75-percent owned by SES ASTRA, one of the world´s
leading satellite operators, and 25-percent by the state-owned company
the Swedish Space Corporation.

About ILS www.ilslaunch.com

International Launch Services is a U.S.-Russian joint
venture, between Space Transport Inc. and Khrunichev State Research
and Production Space Center with RSC Energia. ILS has the exclusive
rights for worldwide commercial sales and mission management of
satellite launches on Russia´s premier vehicle, the Proton, and the
future Angara vehicle. ILS is incorporated in Delaware in the United
States, and is headquartered in McLean, Va., a suburb of Washington,
D.C.

About Lockheed Martin www.lockheedmartin.com

Headquartered in Bethesda, Md., Lockheed Martin employs about
135,000 people worldwide and is principally engaged in the research,
design, development, manufacture, integration and sustainment of
advanced technology systems, products and services.