News T-Mobile Offers Monthly4G Plans Featuring Unlimited Talk, Text and Web With No Annual Contract

Bellevue, Wash. — May. 23, 2011

T-Mobile USA, Inc. today announced two new No Annual Contract, unlimited Monthly4G plans starting at $50 per month, bringing more choice and value to customers on America’s Largest 4G Network. The new plans make it easier than ever for customers to step up to a rich data experience across T-Mobile’s entire portfolio of Android™-powered, Windows® Phone and BlackBerry® smartphones without an annual contract.

“Consumers today want more value and simplicity in how they purchase wireless,” said Cole Brodman, chief marketing officer, T-Mobile USA. “And that’s exactly what we’re delivering with our new Monthly4G plans — providing customers with the nationwide network, great prices and a choice of any of our latest smartphones.”

With Monthly4G plans, customers can enjoy unlimited Talk, unlimited Text and unlimited Web service on their smartphone from T-Mobile. Monthly4G plans start at $50 per month for unlimited talk, unlimited text and unlimited Web with the first 100 MB of data at up to 4G speeds, or $70 per month for unlimited talk, unlimited text and unlimited Web with the first 5 GB of data at up to 4G speeds*.

In addition to the Monthly4G No Annual Contract plans, which became available May 22,

T-Mobile continues to offer a 1500 Talk and Text plan with 30 MB of data for $30 per month, as well as Pay As You Go plans for as low as 10¢ per minute for voice calls. To find the T-Mobile plan that best fits their needs, customers can visit http://www.t-mobile.com/webconnect.

* Monthly4G plans provide access to wireless service for 30 days; capable device required to achieve 4G speeds. After high-speed allotment is used, speeds slowed for remainder of month. T-Mobile’s HSPA+ 4G network not available everywhere. See coverage details at T-Mobile.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 (OTCQX: DTEGY). By the end of the first quarter of 2011, approximately 128 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group — 33.6 million by T-Mobile USA — all via a common technology platform based on GSM and UMTS and additionally HSPA+/HSPA+42. 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 USA 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.

For further information on Deutsche Telekom, please visit www.telekom.de/investor-relations.