144 0001235158 XXXXXXXX LIVE 0001623925 Antero Midstream Corporation 001-38075 1615 Wynkoop Street Denver CO 80202 (303) 357-7310 BROOKS J KLIMLEY Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

5000 106355.00 474674000 08/06/2026 NYSE Common 04/10/2026 Restricted Stock Vesting Under a Registered Plan Issuer N 1617 04/10/2026 Compensation Common 10/10/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 1341 10/10/2025 Compensation Common 07/10/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 2042 07/10/2025 Compensation Y 08/06/2026 /s/ Brooks J Klimley