News T-Mobile Reaffirms Commitment to Workplace Inclusion and Diversity

Support of Referendum 74 and Washington United for Marriage

Bellevue, Wash. — Aug. 20, 2012

Today, T-Mobile USA announced the company’s endorsement of Referendum 74 by donating to, and supporting the efforts of, Washington United for Marriage, the broad, bipartisan statewide coalition working to defend the state’s marriage law.

“T-Mobile has a long-standing focus on creating an inclusive workplace environment for our employees,” said Jim Alling, interim chief executive officer and chief operating officer. “Our support of this issue is a reflection of our culture, how we do business, and our belief in the fair and equitable treatment of all employees.”

“We are very excited that T-Mobile has decided to take this important step in endorsing our effort to approve Referendum 74,” said WUM Campaign Manager Zach Silk. “As one of the top employers in the Puget Sound area, T-Mobile’s support demonstrates a commitment to employees, customers, and communities in Washington state.”

More than 4,800 T-Mobile employees live and work in Washington State.

Lindsay Morio

T-Mobile USA Media Relations

425-383-4002

mediarelations@t-mobile.com

About T-Mobile USA:

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 second quarter of 2012, approximately 130 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group — 33.2 million by T-Mobile USA — all via a common technology platform based on GSM and UMTS and additionally HSPA+ 21/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. In order to provide comparability with the results of other US wireless carriers, all financial amounts are in US dollars and are based on accounting principles generally accepted in the United States (“GAAP”). T-Mobile USA results are included in the consolidated results of Deutsche Telekom, but differ from the information contained herein as, among other things, Deutsche Telekom reports financial results in Euros and in accordance with International Financial Reporting Standards (IFRS). 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.