The New T-Mobile will champion affordable access to broadband. More Americans will benefit with lower-cost services and improved connectivity on our 5G network. #5GForAll Important Additional Information In connection with the proposed transaction, T-Mobile US, Inc. (“T-Mobile”) has filed a registration statement on Form S-4 (File No. 333-226435), which was declared effective by the U.S. Securities and Exchange Commission (the “SEC”) on October 29, 2018, and which contains a joint consent solici