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ILS Announces Proton Launch Delay of SES-4 Satellite

Press Release From: International Launch Services
Posted: Tuesday, December 27, 2011

Baikonur Cosmodrome, Kazakhstan - December 27th, 2011 - ILS has informed SES (Euronext Paris and Luxembourg Stock Exchange: SESG) that the launch of the Proton launch vehicle with the SES-4 satellite was postponed for approximately 25 days for technical reasons with the avionics system of the launch vehicle's Breeze M upper stage. The additional time is needed due to the destacking and replacement of the affected avionics unit. The satellite was built by Space Systems/Loral.

The delay was called after Khrunichev engineers at the launch site received an anomalous telemetry reading on the Breeze M upper stage during preflight testing. The vehicle and satellite remain in a safe configuration at the launch site.

Please check the ILS website, www.ilslaunch.com for updated information.

For further information please contact:

Yves Feltes
Media Relations
Tel. +352 710 725 311
Yves.Feltes@ses.com

About SES

SES is a world-leading satellite operator with a fleet of 49 geostationary satellites. The company provides satellite communications services to broadcasters, content and internet service providers, mobile and fixed network operators and business and governmental organisations worldwide.

SES stands for long-lasting business relationships, high-quality service and excellence in the broadcasting industry. The culturally diverse regional teams of SES are located around the globe and work closely with customers to meet their specific satellite bandwidth and service requirements.

SES (Euronext Paris and Luxembourg Stock Exchange: SESG) holds participations in Ciel in Canada and QuetzSat in Mexico, as well as a strategic participation in satellite infrastructure start-up O3b Networks. Further information under: www.ses.com.

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