X0306 4 2022-01-01 0001747009 Equitrans Midstream Corp ETRN 0001756382 Charletta Diana M 2200 ENERGY DRIVE CANONSBURG PA 15317 1 President and COO Common Stock 2022-01-01 4 F 0 7442 10.34 D 177920 D Common Stock 353 I By Savings Plan Common Stock 9121 I By Spouse Common Stock 77 I By Spouse's Personal IRA Previously reported time-based restricted shares vested on January 1, 2022. The Company, consistent with its practice, withheld 7,442 shares to satisfy the tax liability associated with the vesting of the restricted shares, resulting in Ms. Charletta retaining 16,534 shares of common stock. Exhibit 24 - Power of Attorney /s/ Lisa M. Lind, Attorney-in-Fact for Diana M. Charletta 2022-01-04