The Company urges stockholders to discard any white proxy cards, which were sent by a dissident stockholder. If a stockholder previously submitted a white proxy card, the Company urges them to cast their vote as instructed on the GREEN proxy card, which will revoke any earlier dated proxy card that was submitted, including any white proxy card.Stockholders who have questions or need assistance voting their shares should contact the Company’s proxy solicitor, MacKenzie Partners, Inc. toll-free at (800) 322-2885 or call collect at (212) 929-5500. About Deutsche Telekom Deutsche Telekom is one of the world’s leading integrated telecommunications companies with more than 132 million mobile customers, over 32 million fixed-network lines and 17 million broadband lines (as of December 31, 2012). The Group provides products and services for the fixed network, mobile communications, the Internet and IPTV for consumers, and ICT solutions for business customers and corporate customers. Deutsche Telekom is present in around 50 countries and has 230,000 employees worldwide. The Group generated revenues of EUR 58.2 billion in the 2012 financial year – more than half of it outside Germany (as of December 31, 2012). About T-Mobile USA Inc. Based in Bellevue, Wash., T-Mobile USA, Inc. is the U.S. wireless operation of Deutsche Telekom AG (XETRA: DTE; OTCQX: DTEGY). By the end of the fourth quarter of 2012, approximately 132.3 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group — 33.4 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. 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. About MetroPCS Communications, Inc. Dallas-based MetroPCS Communications, Inc. (NYSE: PCS) is a provider of no annual contract, unlimited wireless communications service for a flat-rate. MetroPCS is the fifth largest facilities-based wireless carrier in the United States based on number of subscribers served. With Metro USA(SM), MetroPCS customers can use their service in areas throughout the United States covering a population of over 280 million people. As of December 31, 2012, MetroPCS had approximately 8.9 million subscribers. For more information please visit www.metropcs.com. Additional Information and Where to Find It This document relates to a proposed transaction between MetroPCS and Deutsche Telekom. In connection with the proposed transaction, MetroPCS has filed with the Securities and Exchange Commission (the “SEC”) an amended definitive proxy statement. Security holders are urged to read carefully the amended definitive proxy statement and all other relevant documents filed with the SEC or sent to stockholders as they become available because they will contain important information about the proposed transaction. All documents, when filed, will be available free of charge at the SEC's website ( www.sec.gov). You may also obtain these documents by contacting MetroPCS' Investor Relations department at 214-570-4641, or via e-mail at email@example.com. This communication does not constitute a solicitation of any vote or approval. Participants in the Solicitation MetroPCS and its directors and executive officers will be deemed to be participants in any solicitation of proxies in connection with the proposed transaction. Information about MetroPCS' directors and executive officers is available in MetroPCS' annual report on Form 10-K filed with the SEC on March 1, 2013. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is contained in the amended definitive proxy statement and other relevant materials filed with the SEC regarding the proposed transaction. Investors should read the amended definitive proxy statement carefully before making any voting or investment decisions.