MEASAT-3b is a communications satellite operating at 91.5 degrees East with MEASAT-3 and MEASAT-3a. Optus 10 is a communications satellite serving many customers operating in a geostationary orbit at 164 degrees East.
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.INFO WIKI