EXHIBIT 99.1 ALTICE USA REPORTS FIRST QUARTER 2024 RESULTS Focus on Customer Profitability: Improved Financial Trends in Customer ARPU and Revenue Growth in Fiber Customer Net Adds and Mobile Line Net Adds Positive Trends in Customer Experience, Network, and Operations NEW YORK (May 2, 2024) -- Altice USA (NYSE: ATUS) today reports results for the first quarter ended March 31, 2024. Dennis Mathew, Altice USA Chairman and Chief Executive Officer, said: "Our first-quarter results are reflective of the progres ...