BELLEVUE, Wash., September 24, 2024--T-Mobile US, Inc. (NASDAQ: TMUS) ("T-Mobile") announced today that T-Mobile USA, Inc., its direct wholly-owned subsidiary ("T-Mobile USA" or the "Issuer"), has agreed to sell $700,000,000 aggregate principal amount of its 4.200% Senior Notes due 2029 (the "2029 Notes"), $900,000,000 aggregate principal amount of its 4.700% Senior Notes due 2035 (the "2035 Notes") and $900,000,000 aggregate principal amount of its 5.250% Senior Notes due 2055 (the "2055 Notes,