X0306 4 2017-03-08 0 0001583744 Arc Logistics Partners LP ARCX 0001231201 ARMSTRONG JEFFREY R 725 FIFTH AVENUE, 19TH FLOOR NEW YORK NY 10022 1 0 0 0 Common units representing limited partner interests 2017-03-08 4 A 0 20000 0.00 A 40000 D Represents an award of phantom units granted under the Arc Logistics Amended and Restated Long Term Incentive Plan. Each phantom unit represents a contingent right to receive one common unit upon settlement. The award is subject to a risk of forfeiture until July 18, 2017 and the economic benefits associated with the award do not begin to accrue until such date (e.g., eligibility to vest and eligibility to receive distribution equivalent rights). Unless earlier forfeited, the phantom units will vest in three equal annual installments on July 18, 2018, July 18, 2019 and July 18, 2020. /s/ Stephen J. Pilatzke, Attorney-in-Fact for Jeffrey R. Armstrong 2017-03-10