X0306 4 2022-03-01 0001865187 Aris Water Solutions, Inc. ARIS 0001540900 Hatley Dustin A. 9811 KATY FREEWAY, SUITE 700 HOUSTON TX 77024 true Chief Accounting Officer Class A Common Stock 2022-03-01 4 A 0 11548 0 A 43135 D Represents 11,548 restricted stock units ("RSUs") granted under the Aris Water Solutions, Inc. 2021 Equity Incentive Plan. Each RSU represents the right to receive one share of the Issuer's Class A common stock. The RSUs will vest in the following installments: (i) one-third on March 1, 2023, (ii) one-third on March 1, 2024, and (iii) one-third on March 1, 2025. /s/ Adrian Milton, as Attorney-in-Fact 2022-03-03