Altice USA (NYSE:ATUS) will host a conference call on Thursday, August 7, 2025, at 8:30 a.m. ET to discuss financial and operating results for the second quarter ended June 30, 2025. The conference call will be led by Dennis Mathew, Chairman and CEO, and Marc Sirota, CFO. Presentation materials, including Altice USA's earnings release, earnings results presentation and trended schedule, will be available at 7:00 a.m. ET, prior to the conference call, on the Altice USA Investor Relations website.

Participant Dial-In Telephone Numbers: 877-404-9653 / +1 201-689-8856

A live webcast will be available online on the Altice USA Investor Relations website or by following this link.

About Altice USA

Altice USA (NYSE:ATUS) is one of the largest broadband communications and video services providers in the United States, delivering broadband, video, mobile, proprietary content and advertising services to approximately 4.5 million residential and business customers across 21 states through its Optimum brand. We operate Optimum Media, an advanced advertising and data business, which provides audience-based, multiscreen advertising solutions to local, regional and national businesses and advertising clients. We also operate News 12, which is focused on delivering best-in-class hyperlocal news content.

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Investor Relations

John Hsu: +1 917 405 2097 / john.hsu@alticeusa.com

Sarah Freedman: +1 631 660 8714 / sarah.freedman@alticeusa.com

Media Relations

Lisa Anselmo: +1 516 279 9461 / lisa.anselmo@optimum.com

Janet Meahan: +1 516 519 2353 / janet.meahan@optimum.com