TMUS Earnings

1 Press release, dated April 28, 2026, entitled "T-Mobile Delivers Continued Durable Postpaid Account and ARPA Growth, Translating to Best-in-Class Financial Growth, Raises Guidance" 99.2 Investor Factbook of T-Mobile US, Inc. F irst Quarter 202 6 Results 104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) SIGNATURE

• Core Adjusted EBITDA, which is Adjusted EBITDA less lease revenues, is expected to be between $37.1 billion and $37.5 billion, an increase at the midpoint from prior guidance of $37.0 billion to $37.5 billion. • Net cash provided by operating activities, including net payments for UScellular merger-related costs, is expected to be between $28.

rating activities, including net payments for UScellular merger-related costs, is expected to be between $28.1 billion and $28.7 billion, an increase at the midpoint from prior guidance of $28.0 billion to $28.7 billion. • Continues to expect cash purchases of property and equipment, including capitalized interest, to be approximately $10.

rm is defined under Section 3(a)(62) of the Exchange Act and (ii) no such organization shall have publicly announced that it has under surveillance or review, or has changed its outlook with respect to, its rating of the Securities or of any other debt securities or preferred stock of or guaranteed by Parent or any of the Subsidiaries (other than an announceme

Wells Fargo Securities International Limited Co-Managers: Canadian Imperial Bank of Commerce, London Branch Trade Date: February 12, 2026 Settlement Date: February 19, 2026 We expect that delivery of the Notes will be made to investors on or about February 19, 2026, which will be the fifth London business day and fourth New York business day following the