T-Mobile Introduces Unlimited Calling Over Wi-Fi With the National Launch of

Consumers Get Great Coverage Plus Unlimited Nationwide Calling From Home With a New Service That Supports Calls Over Both Wi-Fi and T-Mobile’s Robust Wireless Network

Bellevue, Wash. — Jun. 27, 2007

T-Mobile USA, Inc., today announces the national launch of T-Mobile® HotSpot @Home^SM