平原全美 PAA

Willie Chiang, has served as a director of PAGP GP since February 2017, as Chief Executive Officer of PAGP GP and GP LLC since October 2018. Mr. Chiang served as Executive Vice President and Chief Operating Officer of PAGP GP and GP LLC from January 2018 until October 2018. He also served as Executive Vice President and Chief Operating Officer (U.S.) of PAGP GP and GP LLC from August 2015 through December 2017. Prior to joining Plains, Mr. Chiang served as Executive Vice President - Operations for Occidental Petroleum Corporation from 2012 until 2015. From 1996 until 2012, he served in various positions at ConocoPhillips, including most recently as Senior Vice President Refining, Marketing, Transportation and Commercial. He currently serves on the board of Delta Airlines and previously served on the boards of DCP Midstream and Chevron Phillips Chemical. He also serves on the board of Performing Arts Houston. Mr. Chiang serves as a director of the Federal Reserve Bank of Dallas, Houston Branch, and is a member of the Energy Advisory Council. He serves as chair of the American Fuel & Petrochemical Manufacturers (AFPM) trade association and is also involved in a number of other industry organizations including the American Petroleum Institute (API) and National Petroleum Council. He received a BS in Mechanical Engineering from South Dakota School of Mines and Technology and completed the Advanced Management Program at the University of Pennsylvania.

Jeremy L. Goebel has served as Executive Vice President and Chief Commercial Officer since March 2021. He previously served as Executive Vice President Commercial of GP LLC from March 2019 until March 2021, as Senior Group Vice President Commercial from May 2018 to March 2019, as Senior Vice President. Acquisitions and Strategic Planning from April 2017 until May 2018, as Vice President Acquisitions and Strategic Planning from July 2015 until April 2017, as Assistant Vice President Lease Supply from July 2014 until July 2015, and as Managing Director Acquisitions and Strategic Planning from January 2013 until July 2014. Prior to joining Plains in 2013, he was employed by Simmons & Company International. Mr. Goebel has over 25 years of energy and investment banking experience. Mr. Goebel also serves as Executive Vice President and Chief Commercial Officer of PAGP GP.

Richard K. McGee has served as Executive Vice President, General Counsel and Secretary of GP LLC since February 2013. He served as Vice President, General Counsel and Secretary from March 2012 until February 2013 and served as Vice President and Deputy General Counsel from August 2011 through March 2012. He also served as Vice President Legal and Business Development of PAA's natural gas storage business from September 2009 through March 2012. From January 1999 to July 2009, he was employed by Duke Energy, serving as President of Duke Energy International from October 2001 through July 2009 and serving as general counsel of Duke Energy Services from January 1999 through September 2001. He previously spent 12 years at Vinson & Elkins L.L.P., where he was a partner with a focus on acquisitions, divestitures and development work for various clients in the energy industry. Mr. McGee also serves as Executive Vice President, General Counsel and Secretary of PAGP GP.

Al Swanson has served as Executive Vice President and Chief Financial Officer of GP LLC since February 2011. He previously served as Senior Vice President and Chief Financial Officer from November 2008 through February 2011, as Senior Vice President?-?Finance from August 2008 until November 2008 and as Senior Vice President?-?Finance and Treasurer from August 2007 until August 2008. He served as Vice President?-?Finance and Treasurer from August 2005 to August 2007, as Vice President and Treasurer from February 2004 to August 2005 and as Treasurer from May 2001 to February 2004. In addition, he held finance related positions at Plains Resources including Treasurer from February 2001 to May 2001 and Director of Treasury from November 2000 to February 2001. Prior to joining Plains Resources, he served as Treasurer of Santa Fe Snyder Corporation from 1999 to October 2000 and in various capacities at Snyder Oil Corporation including Director of Corporate Finance from 1998, Controller?-?SOCO Offshore, Inc. from 1997, and Accounting Manager from 1992. Mr. Swanson began his career with Apache Corporation in 1986 serving in internal audit and accounting. Mr. Swanson also serves as Executive Vice President and Chief Financial Officer of PAGP GP.

Harry N. Pefanis, has served as a director of PAGP GP since February 2017 and served as President of PAGP GP and GP LLC from March 2021 until his retirement effective June 1, 2025. He currently serves as a Senior Advisor to the CEO. He previously served as President and Chief Commercial Officer of PAGP GP and GP LLC from January 2018 until March 2021. He served as President and Chief Operating Officer of GP LLC from PAA's formation in 1998 through December 2017, and as President and Chief Operating Officer of PAGP GP from July 2013 through December 2017. He was also a director of PAA's former general partner. In addition, he was Executive Vice President - Midstream of Plains Resources from May 1998 to May 2001, and he previously served in various roles of increasing responsibility from 1983 to 1998. Mr. Pefanis served as a director of Oasis Midstream Partners, L.P. from July 2018 until February 2022. Mr. Pefanis currently serves as a director of the Memorial Hermann Health System. He is also a director of the Memorial Hermann Foundation and a trustee of the University of Oklahoma Foundation. Mr. Pefanis's involvement with PAA since its formation and his considerable operational, commercial, accounting and financial experience brings important and valuable skills to the Board.

Greg L. Armstrong, has served as a director of PAGP GP since 2013. He has also served as a Senior Advisor to the CEO since January 1, 2020. Mr. Armstrong served as Chairman of the Board of PAGP GP from July 2013 through December 31, 2019 and as Chief Executive Officer of PAGP GP from July 2013 until his retirement from such position in October 2018. He also served as Chief Executive Officer of GP LLC from PAA's formation in 1998 until his retirement from that position in October 2018. He served as a director of PAA's general partner or former general partner from PAA's formation until November 2016 when the Board of PAGP GP assumed responsibility for PAA in addition to PAGP and Plains AAP. In addition, he was President, Chief Executive Officer and director of Plains Resources Inc. from 1992 to May 2001 and served in various roles of increasing responsibility from 1981 to 1992. Mr. Armstrong served as a director of the Federal Reserve Bank of Dallas from 2015 to 2021, retiring as Chair at the end of 2021. Mr. Armstrong also served as a director of NOV, Inc. and its predecessors from 2004 to May 2025, including serving as lead director from May 2023 until May 2025. Mr. Armstrong currently serves as chair of the board of the Memorial Hermann Health System. Mr. Armstrong also serves on the board of the Houston Zoo and is a member of the advisory board of the Maguire Energy Institute at the Cox School of Business at Southern Methodist University, the Baker Institute and Veriten, and is a past Chairman of the National Petroleum Council. Mr. Armstrong's experience with PAA since its formation, including as former Chairman and CEO, and his long-time involvement in the energy industry, provide the Board with invaluable insight and perspective.

Lawrence M. Ziemba, age 70, has served as a director of PAGP GP since January 2020. Mr. Ziemba served as Executive Vice President, Refining, and on the executive committee of Phillips 66 from May 2012 until his retirement in December 2017. From 2001 to May 2012, he served in various downstream positions with ConocoPhillips, including President, Global Refining, and chairman of WRB LLC, a downstream joint venture with Cenovus, a Canadian oil producer. He also held various positions of increasing responsibility with Tosco/Unocal from 1977 to 2001. He has held a number of industry leadership positions, including with API and AFPM. Mr. Ziemba has served on the board of directors of PBF Energy since 2023. From 2020 through 2022 he served as a director of PBF Logistics GP LLC. He also serves as chair of the board of trustees of Duchesne Academy in Houston. Mr. Ziemba received a BS in mechanical engineering from the University of Illinois Champaign and an MBA from the University of Chicago.

Victor Burk, age 76, has served as a director of PAGP GP since January 2014. He served as a Senior Advisor for Alvarez and Marsal, a privately owned professional services firm, from January 2023 until his retirement in October 2024. He also served as Managing Director of Alvarez and Marsal from April 2009 through December 2022. From 2005 to 2009, Mr. Burk was the global energy practice leader for Spencer Stuart, a privately owned executive recruiting firm. Prior to joining Spencer Stuart, Mr. Burk served as managing partner of Deloitte & Touche's global oil and natural gas group from 2002 to 2005. He began his professional career in 1972 with Arthur Andersen and served as managing partner of Arthur Andersen's global oil and natural gas group from 1989 until 2002. Mr. Burk served on the board of directors and audit committee of EV Energy Partners, L.P. from September 2006 until June 2018. Mr. Burk served as a director and as chair of the audit committee of PNGS GP LLC, the general partner of PAA Natural Gas Storage, L.P., from April 2010 through December 2013. Mr. Burk also serves as a board member of the Sam Houston Area Council of the Boy Scouts of America. He received a BBA in Accounting from Stephen F. Austin State University, graduating with highest honors.

Ellen R. DeSanctis, has served as a director of PAGP GP since August 2022. She has served as a Senior Counselor at H/Advisors Abernathy since September 2024. She previously served as Senior Vice President of Corporate Relations for ConocoPhillips, where she worked from 2012 until her retirement in 2022. In that capacity, she was responsible for investor relations, corporate communications and charitable programs. Prior to ConocoPhillips, Ms. DeSanctis had responsibility for similar functions, as well as strategic planning roles, for a number of upstream energy companies, including Petrohawk Energy Corporation, Rosetta Resources, Burlington Resources, Vastar Resources and ARCO. Ms. DeSanctis spent her early career as an engineer for Shell Oil Company. Ms. DeSanctis served on the board of SilverBow Resources, Inc. from November 2023 until August 2024. She also served as past chair of the Girl Scouts of San Jacinto Council. Ms. DeSanctis holds a BA in Geological and Geophysical Sciences from Princeton University and an MBA from UCLA.

Alexandra D. Pruner, has served as a director of PAGP GP since December 2018. Ms. Pruner has served as a Senior Advisor of Perella Weinberg Partners (PWP), a global independent advisory firm providing strategic and financial advice and asset-management services, and its energy division, Tudor, Pickering, Holt & Co., since December 2018. She previously served as Partner and Chief Financial Officer of PWP from December 2016 through November 2018. She served as CFO and a member of the Management Committee at Tudor, Pickering, Holt & Co. from the firm's founding in 2007 until its combination with PWP in 2016. Ms. Pruner served as a director and member of the audit committee of Anadarko Petroleum Corporation from November 2018 until its sale in August 2019. She has also served as a director of NRG Energy, Inc. since October 2019 and as chair of NRG's audit committee since August 2024. She also served as chair of the board of Malta Inc. from April 2022 through December 2025, and as a director of Encino Acquisition Partners, LLC from November 2019 and as chair of the Encino board from December 2021 until the company's sale to EOG Resources in August 2025. She is the founder and an advisory board member of the Women's Global Leadership Conference in Energy and she also serves as chair of the Texas Medical Center Board, among other volunteer efforts. Ms. Pruner holds a BA in Economics from Brown University.

Kevin S. McCarthy, has served as a director of PAGP GP since October 2020. He served as Vice Chairman at Kayne Anderson from 2019 to 2023. During his 19-year tenure at Kayne Anderson, he co-founded the firm's energy infrastructure securities activities, and served as CEO and Chairman of the Board of Directors for Kayne Anderson's closed-end funds. Prior to joining Kayne Anderson in 2004, Mr. McCarthy was global head of energy investment banking at UBS Securities LLC and held similar positions at PaineWebber Incorporated and Dean Witter Reynolds. Mr. McCarthy serves as a director of Kinetik Holdings Inc. and Chord Energy Corporation, and previously served as a director of Whiting Petroleum Corporation (Chairman), Altus Midstream Company, Range Resources Corporation, ONEOK, Inc., Emerge Energy Services LP and K-Sea Transportation Partners L.P. He also sits on the board of directors of the Gladney Fund, a Fort Worth based adoption agency. Mr. McCarthy earned a BA in economics and geology from Amherst College and an MBA in Finance from the Wharton School at the University of Pennsylvania.

On September 29, 2026, Plains All American Pipeline, L.P. and Plains GP Holdings, L.P. announced the appointment, effective October 2, 2026, of Dean Liollio as Executive Vice President and Chief Operating Officer of Plains All American GP LLC, the general partner of PAA, and PAA GP Holdings LLC, the general partner of PAGP. Mr. Liollio served as Senior Vice President, Special Projects, of Plains from June 2024 until his appointment as EVP and COO in October 2026. He previously served as President of Plains Midstream Canada from 2020 until 2024, as President of PAA Natural Gas Storage from 2008 until 2020 and as President of Plains Gas Solutions from 2016 until 2020. Prior to joining Plains in 2008, Mr. Liollio held a number of executive roles including serving as President, Chief Executive Officer and Director of EnergySouth, Inc. and as President and Chief Operating Officer of Centerpoint's natural gas distribution operations across a five-state area including Houston. Mr. Liollio holds a Bachelor of Science degree in Industrial Engineering from Texas A&M University.

On June 1, 2026, Plains All American Pipeline, L.P. and Plains GP Holdings, L.P. announced that effective September 1, 2026, Russ Montgomery will be promoted to the position of Vice President, Accounting and Chief Accounting Officer of Plains All American GP LLC, the general partner of PAA, and PAA GP Holdings LLC, the general partner of PAGP. Mr. Montgomery, age 50, has served as Vice President and Controller of PAA since 2019. He previously served as Controller from 2010 to 2019, Director of Operational Accounting from 2008 to 2010, Manager of Crude Oil Accounting from 2005 to 2008 and SEC and Financial Reporting Senior Analyst from 2002 to 2005. Prior to joining PAA in September 2002, Mr. Montgomery spent four years working for the accounting firm Arthur Andersen LLP.