X0508 4 2026-03-07 0 0001623925 Antero Midstream Corp AM 0001477679 Kennedy Michael N. 1615 WYNKOOP STREET DENVER CO 80202 1 1 0 0 See Remarks 0 Common stock, par value $0.01 per share 2026-03-07 4 A 0 261210 0.00 A 1724120 D Common stock, par value $0.01 per share 2026-03-07 4 F 0 108526 22.97 D 1615594 D Common stock, par value $0.01 per share 2026-03-07 4 G 0 15000 0.00 D 1600594 D Reflects the grant of RSUs pursuant to the Amended and Restated Antero Midstream Corporation Long Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2026, generally subject to continued employment through each vesting date. Includes 719,114 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Midstream Corporation (the "Issuer") subject to previously granted RSUs that remain subject to vesting. In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the Plan, the Issuer withheld shares of Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on March 6, 2026. Includes 472,354 shares of Common Stock subject to previously granted RSUs that remain subject to vesting. Chief Executive Officer and President /s/ Yvette K. Schultz, as attorney-in-fact for Michael N. Kennedy 2026-03-10