Exhibit 99.1 ALTICE USA REPORTS SECOND QUARTER 2025 RESULTS Broadband Subscriber Trends Improved Year over Year and Sequentially, with Year over Year Broadband ARPU Growth Expanded Penetration of Value-Added Products & Services, Including Year-over-Year Fiber and Mobile Growth Successfully Completed First-of-its-Kind $1.0 Billion Asset-Backed Loan, Secured Primarily by HFC Assets NEW YORK (August 7, 2025) -- Altice USA (NYSE: ATUS) today reports results for the second quarter ended June 30, 2025. Dennis Mat ...