Plains All American Pipeline, L.P. and Plains GP Holdings =announced that Ellen R. DeSanctis has been appointed, effective August 15, 2022, as an independent member of the Board of Directors of PAA GP Holdings LLC (“GP Holdings”) serving in Class I. She will also serve as a member of the Audit Committee and Health, Safety, Environmental and Sustainability Committee. The GP Holdings Board has responsibility for managing the business and affairs of PAA and PAGP. Ms. DeSanctis has over 40 years of industry experience, most recently serving as Senior Vice President of Corporate Relations for ConocoPhillips, where she worked from 2012 until her retirement in 2022.

She previously held various positions relating to corporate communications and strategic development and planning for a number of upstream energy companies, including Petrohawk Energy Corporation, Rosetta Resources, Burlington Resources and ARCO. She also serves as a member of the board of directors of St. Agnes Academy in Houston and served as past chair of the Girl Scouts of San Jacinto Council.

Ms. DeSanctis has a BA in Geology from Princeton University and an MBA from UCLA.