Unless otherwise indicated herein, capitalized terms used and not otherwise defined in this Amendment or the Purchase and Sale Agreement are defined in Article I of the Receivables Financing Agreement, dated as of June 15, 2015 (as the same may be amended, restated, supplemented or otherwise modified from time to time, the “ Receivables Financing Agreement ”), among the Buyer, as borrower, NuStar Energy, as initial Servicer (in such capacity, the “ Servicer ”), the Persons from time to time party thereto as Lenders and as Group Agents, and PNC Bank, National Association, as Administrative Agent.