X0306 4 2019-05-28 0 0001748773 RATTLER MIDSTREAM LP RTLR 0001559933 Stice Travis D. 500 WEST TEXAS AVENUE, SUITE 1200 MIDLAND TX 79701 1 1 0 0 Chief Executive Officer Common units representing limited partner interests 2019-05-28 4 A 0 114286 0.00 A 114286 I By Stice Investments, Ltd. Common units representing limited partner interests 2019-05-28 4 P 0 85000 17.50 A 199286 I By Stice Investments, Ltd. On May 28, 2019, the reporting person was granted 114,286 phantom units under the Rattler Midstream LP Long-Term Incentive Plan, which will vest in five equal annual installments beginning on May 28, 2020. Upon vesting, each phantom unit entitles the recipient to one common unit representing a limited partner interest in the Issuer. These securities are held by Stice Investments, Ltd., which is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager. On May 28, 2019, the reporting person purchased the common units through the Directed Unit Program conducted in connection with the Issuer's initial public offering. /s/ Travis D. Stice 2019-05-29