Plains All American Pipeline

Plains GP Holdings, L.P has direct and indirect partnership interests in Plains All American Pipeline, L.P. (PAA). PAA is a limited partnership engaged in the transportation, storage, terminalling and marketing of crude oil, refined products and LPG. Through its 50% ownership in PAA/Vulcan Gas Storage LLC, which it refers to as PAA/Vulcan, PAA is involved in the development and operation of natural gas storage facilities. The Company has no separate operating activities apart from those conducted by PAA. PAA manages its operations through three operating segments: transportation; facilities, and, marketing. PAA's natural gas storage operations are conducted through PAA/Vulcan, a joint venture between PAA and a subsidiary of Vulcan Capital Private Equity I LLC (Vulcan LLC). PAA is also engaged in a joint venture arrangement with Settoon Towing.