Exhibit 99.1 Greenfield markets now pass 106.6 thousand homes with a penetration rate at 16.0% ENGLEWOOD, Colo. (November 5, 2025) – WideOpenWest, Inc. ("WOW!" or the "Company") (NYSE: WOW), one of the nation's leading broadband providers, with an efficient, high-performing network that passes 2.0 million residential, business and wholesale consumers, today announced financial and operating results for the third quarter ended September 30, 2025. Third Quarter 2025 Highlights (1) "The pace of construction an ...