X0306 4 2017-11-15 0 0001610418 CONE Midstream Partners LP CNNX 0001655908 NBL Midstream, LLC 1001 NOBLE ENERGY WAY HOUSTON TX 77070 1 0 1 0 0000072207 NOBLE ENERGY INC 1001 NOBLE ENERGY WAY HOUSTON TX 77070 1 0 1 0 Common Units (limited partner interests) 2017-11-15 4 M 0 14581560 0.00 A 21692198 D Subordinated Units (limited partner interests) 2017-11-15 4 M 0 14581560 0.00 D Common Units 14581560 0 D Represents the conversion of 14,581,560 subordinated units representing limited partner interests (the "Subordinated Units") in Cone Midstream Partners LP (the "Issuer"), which were converted into common units representing limited partner interest on a one-for-one basis upon the termination of the subordination period as set forth in the First Amended and Restated Agreement of Limited Partnership of the Issuer, dated as of September 30, 2014. This Form 4 is being filed jointly by NBL Midstream, LLC ("NBL Midstream") and Noble Energy, Inc. ("Noble"). NBL Midstream is a wholly owned subsidiary of Noble. Accordingly, Noble may be deemed to indirectly beneficially own securities of the Issuer owned directly by NBL Midstream. /s/ Kirk A. Moore, Secretary of NBL Midstream, LLC 2017-11-17 /s/ Kirk A. Moore, Assistant Secretary of Noble Energy, Inc. 2017-11-17