Investor Presentaiton

14 Cogeco Communications - Increasing mix of high growth U.S. cable Canadian broadband American broadband (CND$ in millions) Cogeco Connexion Atlantic Broadband Cogeco consolidated (2) WOW! Ohio(3) Unaudited figures(1) Pro forma Cogeco consolidated Revenue $1,328 $1,137 $2,464 $324 $2,789 $735 $523 $1,207 $137 $1,344 Adjusted EBITDA Cogeco Revenue mix ABB (American Broadband) 46% Revenue pre-transaction Pro forma ABB (American ! Broadband) 52% Revenue post-transaction OT > O Canadian Broadband 54% Canadian Broadband 48% (1) Cogeco financials for the twelve months ended February 28, 2021 and WOW! Ohio financials for the twelve months ended March 31, 2021 and includes adjustments to reflect the expected cost structure of Atlantic Broadband and run-rate synergies. (2) Includes consolidation adjustments and costs associated to corporate activities. (3) Assumes that U.S. results are converted into CND$ at CND$/US$ rate of 1.33. (C) COGECO COMMUNICATIONS ATLANTIC broadband a Cogeco company

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