News Another Encore as T-Mobile Repeats with Highest Customer Satisfaction Rankings in Wireless

T-Mobile Again Earns More Awards from J.D. Power and Associates for Wireless Customer Satisfaction than Any Other Wireless Carrier

Bellevue, Wash. — Sep. 7, 2005

Wireless customers across the country have once again expressed their overall satisfaction with T-Mobile. For the second consecutive year, T-Mobile USA, Inc. has earned the highest rankings in all six regions surveyed in the J.D. Power and Associates 2005 Wireless Regional Customer Satisfaction Index StudySM (CSI).

T-Mobile was declared highest ranking in customer satisfaction for the Southwest and Southeast regions, and shared the highest ranking with another wireless carrier in the remaining four regions. T-Mobile was the only carrier to rank significantly above the Industry Average in all six of the areas that impact overall carrier performance.

The highest rankings in customer satisfaction for T-Mobile from J.D. Power and Associates reflect T-Mobile's ongoing commitment to meeting customers' needs. Earlier this year, J.D. Power and Associates announced T-Mobile ranked highest for overall Business Wireless Customer Satisfaction; highest in Wireless Customer Care for the second year in a row; and ranked highest in the Northeast and Southeast regions (in a tie) in its 2005 Wireless Call Quality Performance StudySM.

"Our single focus during the past three years has been to deliver exceptional service to every customer, every day," said Robert Dotson, President and Chief Executive Officer, T-Mobile USA. "Our service-conscious employees at all levels are committed to delivering this Get More Promise, and the fact that we have again been rated at the top by our customers is a special tribute to our front line employees and the values of T-Mobile as a company."

The 2005 J.D. Power and Associates Wireless Regional CSI Study is based on responses from 24,096 interviews. J.D. Power and Associates measures customer satisfaction based on 42 specific service-related issues grouped into six key areas that impact overall carrier performance. These are (in order of importance): call quality (26%); customer service (17%); service plan options (17%); brand image (14%); cost of service (14%); and billing (12%). Carriers are ranked in six regions in the United States.

More information about the J.D. Power and Associates study can be found at www.jdpower.com.

Lindsay Morio

T-Mobile USA Media Relations

425-383-4002

mediarelations@t-mobile.com

About T-Mobile USA, Inc.

Based in Bellevue, Wash., T-Mobile USA, Inc. is the U.S. wireless operation of Deutsche Telekom AG. By the end of the first quarter of 2010, approximately 150 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group - 33.7 million by T-Mobile USA - all via a common technology platform based on GSM and UMTS, the world's most widely used digital wireless standards. T-Mobile USA's innovative wireless products and services help empower people to connect to those who matter most. Multiple independent research studies continue to rank T-Mobile among the highest in numerous regions throughout the U.S. in wireless customer care and call quality. For more information, please visit http://www.T-Mobile.com. T-Mobile is a federally registered trademark of Deutsche Telekom AG.