Additional Information and Where to Find ItThis document relates to a proposed transaction between MetroPCS and Deutsche Telekom. In connection with the proposed transaction, MetroPCS filed with the Securities and Exchange Commission (the "SEC") a preliminary proxy statement on November 16, 2012, which it subsequently revised on December 21, 2012, January 10, 2013 and January 25, 2013 (as revised, the "Preliminary Proxy Statement"). The Preliminary Proxy Statement is not final and will be superseded by a definitive proxy statement to be filed by MetroPCS with the SEC. Investors and security holders are urged to read carefully the Preliminary Proxy Statement and the 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 firstname.lastname@example.org. The definitive proxy statement will be mailed to MetroPCS' stockholders prior to the meeting at which stockholders will be requested to vote on matters related to the proposed transaction. 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' proxy statement, dated April 16, 2012, for its 2012 Annual Meeting of Stockholders. 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 Preliminary Proxy Statement and will be contained in the definitive proxy statement and other relevant materials to be filed with the SEC regarding the proposed transaction when they become available. Investors should read the definitive proxy statement carefully when it becomes available before making any voting or investment decisions. Cautionary Statement Regarding Forward-Looking Statements This document includes "forward-looking statements" for the purpose of the "safe harbor" provisions within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Any statements made in this document that are not statements of historical fact, and statements about our beliefs, opinions, projections, strategies, and expectations, are forward-looking statements and should be evaluated as such. These forward-looking statements often include words such as "anticipate," "expect," "suggests," "plan," "believe," "intend," "estimates," "targets," "views," "projects," "should," "would," "could," "may," "become," "forecast," and other similar expressions.