X0306 4 2021-05-06 0 0001701051 WideOpenWest, Inc. WOW 0001713755 McMillin Thomas Patrick C/O WIDEOPENWEST, INC. 7887 EAST BELLEVIEW AVENUE, SUITE 1000 ENGLEWOOD CO 80111 1 0 0 0 Common Stock 2021-05-06 4 A 0 7428 0 A 76210 D Common Stock 10000 I See Footnote On May 6, 2021, the reporting person received a grant of 7,428 shares of restricted stock, which will vest in one installment on the first anniversary of the grant date, subject to certain conditions. The shares of common stock are beneficially owned by the Thomas P. McMillin Revocable Trust, of which the reporting person is a trustee. /s/ Craig Martin, by Power of Attorney 2021-05-10