News T-Mobile Network Expansion

Bellevue, Wash. — Nov. 23, 2010

T-Mobile today announced the expansion of its 4G mobile broadband network to eight additional metro areas including Detroit, Mich.; Grand Junction, Colo.; Harlingen, Texas; Lafayette and South Bend, Ind.; Montgomery, Ala.; Roanoke-Lynchburg, Va. and Youngstown, Ohio.

With typical download speeds that are on par with or faster than competing 4G technologies, T-Mobile customers with the latest 4G devices in more than 80 metropolitan areas around the country can now enjoy blazing fast Web browsing, seamless video streaming and quicker downloads at no additional cost. Continuing the aggressive expansion of our 4G network, T-Mobile is on pace to expand its HSPA+ footprint to reach 200 million people by the end of this year – with plans to move to faster speeds (42Mbps) in 2011.

Alexandra Trask

T-Mobile USA Media Relations

425-378-4002

mediarelations@t-mobile.com