T-Mobile Scores Consistently High in Call Quality

Independent Wireless Call Quality Survey Places T-Mobile Tops in Northeast and Southeast

Bellevue, Wash. — Aug. 3, 2005

Beauty is said to be in the eye of the beholder. But when it comes to wireless service, quality is in the ear of the caller. And callers around the country have said T-Mobile consistently provides quality wireless service.

According to the J.D. Power and Associates 2005 Wireless Call Quality Performance StudySM released today, T-Mobile tied for top honors in the Northeast and Southeast regions.

The study provides a detailed report card based on consumer experiences using a diary approach - recording the most recent information pertaining to any issue they may have experienced with their wireless service.

The showing was particularly strong in the Southeast, where T-Mobile received high marks for producing calls with fewer initial connection problems and for having few dropped or disconnected calls.

"In an effort to continuously improve service quality, we're offering even more reliable wireless devices, expanding coverage in our core network footprint with the addition of new cell sites and expanding geographically with rural roaming agreements," said Neville Ray, senior vice president for engineering operations for T-Mobile USA, Inc. "A evidenced by our strong showing in the Southeast region, as well as nationally, our efforts around eliminating dropped calls and enhancing call quality are beginning to pay off."

Integral to T-Mobile's strong showing in the Wireless Call Quality Performance Study is the company's Personal Coverage Check (PCC). The T-Mobile PCC allows customers to input a street address, intersection, or other variables to view T-Mobile's network coverage in a specific area. T-Mobile believes that consumers should have an accurate understanding of network coverage available in the places they go before they make a commitment to a carrier.

Previously this year, J.D. Power and Associates announced T-Mobile ranked highest among national wireless service providers in both the 2005 Wireless Customer Care Performance StudySM and the 2005 Wireless Business Customer Satisfaction Index Study.

The 2005 J.D. Power and Associates Wireless Call Quality Performance StudySM is based on call diaries from 22,730 wireless customers. More information about the J.D. Power and Associates study can be found at www.jdpower.com.


Lindsay Morio
T-Mobile USA Media Relations


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.

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