X0306 4 2017-12-21 1 0001583744 Arc Logistics Partners LP ARCX 0001090350 ZUBROW BARRY L 725 FIFTH AVENUE, 19TH FLOOR NEW YORK NY 10022 1 0 0 0 Common units representing limited partner interests 2017-12-21 4 D 0 40000 D 0 D Pursuant to the Purchase Agreement and Plan of Merger dated as of August 29, 2017, by and among Zenith Energy U.S., L.P., Zenith Energy U.S. GP, LLC, Zenith Energy U.S. Logistics Holdings, LLC, Zenith Energy U.S. Logistics, LLC, Arc Logistics Partners LP, Arc Logistic GP LLC, Lightfoot Capital Partners, LP and Lightfoot Capital Partners GP LLC, all of the common units and phantom units (each representing a contingent right to receive one common unit upon settlement) held by the Reporting Person were cancelled and converted into the right to receive an amount in cash equal to $16.50 per unit, subject to any required withholding taxes. /s/ Stephen J. Pilatzke, Attorney-in-Fact for Barry L. Zubrow 2017-12-26