BELLEVUE, Wash.--(BUSINESS WIRE)--J. Braxton Carter, Executive Vice President and Chief Financial Officer of T-Mobile US, Inc. (NYSE: TMUS), will speak at 11:45 a.m. Eastern Standard Time (8:45 a.m. Pacific Standard Time) on Thursday, March 5th at the Morgan Stanley 2015 Technology, Media and Telecom Conference in San Francisco, CA. A live webcast of the event will be available on the Company’s Investor Relations website, http://investor.t-mobile.com, on Thursday, March 5, 2015 at 11:45 a.m. ES