X0306 4 2018-11-12 0 0001598968 Antero Midstream Partners LP AM 0001234637 RADY PAUL M 1615 WYNKOOP STREET DENVER CO 80202 1 1 0 0 Chief Executive Officer Common Units representing limited partner interests 2018-11-12 4 F 0 21111 28.20 D 281498 D In connection with the vesting and settlement of phantom units through the issuance of common units representing limited partner interests in the Issuer ("Common Units") pursuant to a Phantom Unit Agreement and the Antero Midstream Partners LP Long-Term Incentive Plan, the Issuer withheld Common Units that would otherwise have been issued to the Reporting Person to satisfy its tax withholding obligations. The number of Common Units withheld was determined based on the closing price per Common Unit on November 12, 2018. Includes 87,346 Common Units that remain subject to vesting. The Issuer is a Delaware limited partnership, managed by the directors and officers of its general partner, Antero Midstream Partners GP LLC ("AMP GP"). Mr. Rady is a director and the Chief Executive Officer of AMP GP. /s/ Alvyn A. Schopp, as attorney-in-fact for Paul M. Rady 2018-11-13