Exhibit 99.1 WOW! REPORTS FOURTH QUARTER AND FULL YEAR 2023 RESULTS Full year High-Speed Data Revenue of $430.4 million, up 4% from 2022 ENGLEWOOD, Colo. (March 13, 2024) – WideOpenWest, Inc. (“WOW!” or the “Company”) (NYSE: WOW), one of the nation's leading broadband providers, with an efficient, high-performing network that passes nearly 2.0 million residential, business and wholesale consumers, today announced financial and operating results for the quarter and year ended December 31, 2023. Financial Hig ...