万昂能源(ONEOK) OKE

Pierce H. Norton II, Served as President and Chief Executive Officer of ONE Gas from January 2014 until June 2021, and a member of the ONE Gas Board of Directors.; Prior to the separation of ONE Gas in January 2014, Norton served as Executive Vice President, commercial, of ONEOK and ONEOK Partners.; Served as Executive Vice President and Chief Operating Officer of ONEOK and ONEOK Partners with responsibilities for natural gas gathering and processing, natural gas pipelines, natural gas liquids, natural gas distribution and energy services business segments.; Served as President of the ONEOK Distribution Companies - Oklahoma Natural Gas, Kansas Gas Service and Texas Gas Service.; Holds a Bachelor of Science in Mechanical Engineering from the University of Alabama in Tuscaloosa and is a graduate of Harvard Business School's Advanced Management Program.; University of Alabama College of Engineering Distinguished Fellow.; 2021 American Gas Association Distinguished Service Award. OTHER BOARDS: Former member of the American Gas Association's Board of Directors and served as its 2017 Chairman; Former Board member of the Tulsa Community College Foundation and past-chair of the Audit Committee; Serves as a Director of the Oklahoma Center for Community and Justice; Former Board member of the Interstate Natural Gas Association of America; Former Board member of the Texas Pipeline Association; Former Board member of the North Dakota Petroleum Council; Former Board member of the Western Energy Alliance. 2021 to present, President and Chief Executive Officer, ONEOK. 2021 to present, Member of the Board of Directors, ONEOK. 2014 to 2021 Member of the Board of Directors, ONE Gas, Inc.

Walter S. Hulse III, 2022 to present: Chief Financial Officer, Treasurer and Executive Vice President, Investor Relations and Corporate Development, ONEOK; 2019 to 2021: Chief Financial Officer, Treasurer and Executive Vice President, Strategy and Corporate Affairs, ONEOK; 2017 to 2019 - Chief Financial Officer and Executive Vice President, Strategic Planning and Corporate Affairs, ONEOK, 2015 to 2017- Executive Vice President, Strategic Planning and Corporate Affairs, ONEOK and ONEOK Partners, 2012 to 2015- Managing Member, Spinnaker Strategic Advisory Services, LLC,

Mr. Lyndon C. Taylor, Executive Vice President, Chief Legal Officer and Assistant Secretary. Business Experience in Past Five Years: 2023 to present- Executive Vice President, Chief Legal Officer and Assistant Secretary, ONEOK; 2005 to 2021- Executive Vice President and Chief Legal and Administrative Officer, Devon Energy Corporation.

Mr. Randy N. Lentz, 2025 to present, Executive Vice President and Chief Operating Officer, ONEOK. 2010 to 2024, President and Chief Executive Officer, Medallion Midstream, LLC.

Sheridan Swords is Executive Vice President, Commercial Liquids and Gathering and Processing. Previously, He was senior vice president, natural gas liquids, responsible for natural gas liquids gathering, fractionation, storage and pipelines. Prior to assuming this position, Swords was president of the natural gas liquids gathering and fractionation segment. Swords began his career in the energy industry as a division engineer for Koch Gathering Systems Company in 1992. He held various positions with Koch companies, including operations management and commercial and commodity trading. Prior to joining ONEOK in 2005, Swords was vice president of the Mid-Continent of Koch Hydrocarbon, LP. A native of Kansas, Swords earned a Bachelor of Science degree in mechanical engineering in 1991 from Kansas State University in Manhattan. On January 6, 2025, the Board of Directors of ONEOK, Inc. appointed Sheridan C. Swords, previously executive vice president, commercial liquids and natural gas gathering and processing, is assuming the newly created position of executive vice president and chief commercial officer. In addition to his previous responsibilities, Swords now also oversees the Natural Gas Pipelines segment. 2025 to present, Executive Vice President and Chief Commercial Officer, ONEOK. 2023 to 2025, Executive Vice President, Commercial Liquids and Gathering and Processing, ONEOK. 2022 to 2023, Senior Vice President, Natural Gas Liquids and Natural Gas Gathering and Processing, ONEOK. 2017 to 2022, Senior Vice President, Natural Gas Liquids, ONEOK.

Ms. Edwards, Retired in 2007 from Southern Union Company where she served as Senior Vice President-Corporate Development from November 2006 to January 2007 and as Senior Vice President and Chief Financial Officer from July 2005 to November 2006; Served as an executive officer of Frontier Oil Corporation, having served as Chief Financial Officer from 1994 to 2005 and as Treasurer from 1991 to 1994; Served as an investment banker with Smith Barney, Harris, Upham & Co., Inc. in New York and Houston, after joining the company as an associate in 1985, when she graduated from the Wharton School of the University of Pennsylvania with an M.B.A; Served as an exploration geologist in the oil industry, having earned a Bachelor of Science in Geology and Geophysics from Yale University in 1980; Former member of the Board of Directors of Noble Corporation, plc a U.K.-based offshore drilling contractor, where she served on the Compensation and Finance Committees and was Chair of the Nominating and Governance Committee, and a former member of the Board of Directors of NATCO Group, Inc., a privately owned oil field services and equipment manufacturing company, from 2004 until its sale to Cameron International Corporation in November 2009.; Served on the ONEOK Board of Directors in 2004 and 2005 and was also a member of the Board of Directors of ONEOK Partners GP, L.L.C., from 2009 until the consummation of the merger transaction with ONEOK in June 2017.

Mr. Derksen, Served as Global Deputy Chief Executive Officer of Deloitte Touche Tohmatsu Limitedfrom 2011 until 2014; Served as Deputy Chief Executive Officer of Deloitte LLP (Deloitte U.S.) from 2003 to 2011.; Served as Managing Partner of the financial advisory business and the Mid-America region of Deloitte U.S. In fulfilling his roles for DTTL and Deloitte U.S., he acted in his capacity as a partner in Deloitte U.S. He retired as a partner of Deloitte U.S. in May 2014; Certified Public Accountant; During the period from November 2014 through May 2015, he was engaged to serve as an independent consultant in the information technology sector; Holds a Bachelor of Science degree from the University of Saskatchewan (Canada) and a Master of Business Administration degree from Duke University's Fuqua School of Business. He has also served as the lead independent director and the Audit Committee chair since 2018. OTHER BOARDS: A member of the Board of Directors since 2018 of Brookshire Grocery Company, a privately held company with approximately 200 grocery stores. He also serves as the Audit Committee chair. Chairman of the Board of Directors since 2019 of Dye & Durham Limited, a publicly held Canadian corporation traded on the Toronto Stock Exchange. He Served as Deputy Chief Executive Officer of Deloitte LLP (Deloitte U.S.) from 2003 to 2011.

Mr. Larson, Served as Chief Executive Officer of the general partner of TransMontaigne Partners L.P. from September 2006 to August 2009; as Chief Financial Officer from January 2003 to September 2006; and Controller from May 2002 to January 2003; Served as a partner with KPMG LLP in its Silicon Valley and National (New York City) offices from July 1994 to May 2002; Served as a Professional Accounting Fellow in the Office of Chief Accountant of the United States Securities and Exchange Commission from July 1992 to July 1994; Holds a Bachelor of Business Administration degree from the University of Wisconsin-Eau Claire, and a Master of Business Administration degree from the University of Wisconsin-Madison. OTHER BOARDS: Served on the Board of Directors, where he was Chair of the Audit Committee and a member of the Conflicts Committee, of Valero Energy Partners GP LLC prior to its merger with Valero Energy Corp; Served as a Director of the general partner of MarkWest Energy Partners, L.P. prior to its merger with MPLX LP where he was Chair of the Audit Committee and a member of the Compensation Committee; Served as a Director of the general partner of Oiltanking Partners, L.P. where he was Chair of the Audit Committee and a member of the Conflicts Committee from August 2011 through February 2014.

Mr. Eduardo A. Rodriguez, Serves as President of Strategic Communications Consulting Group since 2005.; Served as Executive Vice President and a member of the board of directors of Hunt Building Corporation, a privately held company engaged in construction and real estate development headquartered in El Paso, Texas.; Spent 20 years in the electric utility industry at El Paso Electric Company, an investor-owned utility, where he served in various senior-level executive positions, including General Counsel, Senior Vice President for Customer and Corporate Services, Executive Vice President and as Chief Operating Officer. OTHER BOARDS: Serves as a Director of ONE Gas, Inc. where he serves on the Audit, Executive Compensation and Executive Committees and is Chair of the Corporate Governance Committee and Lead Independent Director.

Wayne T. Smith, Served as Chairman and Chief Executive Officer of BASF Corporation from May 2015 through May 2021; Served as a Member of the Board of Management Directors of BASF SE from 2012 through May 2021; Served as Vice President and General Manager of Specialty Construction Chemicals of W.R. Grace and Company from 2000 to 2004; Served as Vice President and General Manager of the Packaged Products business of the BOC Group from 1998-2000; Holds a Bachelor of Science degree in chemical engineering from Syracuse University and a Master of Business Administration from the Wharton School of the University of Pennsylvania; Serves on the Dean's Leadership Council for the College of Engineering and Computer Science at Syracuse University. Other Boards: Serves as a Director of Air Products and Chemicals, Inc., where he serves on the Audit and Finance and the Management Development and Compensation Committees; Served on the Board of Directors of Inter Pipeline.

Mark W. Helderman, Served as Chief Executive Officer of the general partner of TransMontaigne Partners L.P. from September 2006 to August 2009; as Chief Financial Officer from January 2003 to September 2006; and Controller from May 2002 to January 2003; Served as a partner with KPMG LLP in its Silicon Valley and National (New York City) offices from July 1994 to May 2002; Served as a Professional Accounting Fellow in the Office of Chief Accountant of the United States Securities and Exchange Commission from July 1992 to July 1994; Holds a Bachelor of Business Administration degree from the University of Wisconsin-Eau Claire, and a Master of Business Administration degree from the University of Wisconsin-Madison. Other Boards: Served on the Board of Directors, where he was Chair of the Audit Committee and a member of the Conflicts Committee, of Valero Energy Partners GP LLC prior to its merger with Valero Energy Corp; Served as a Director of the general partner of MarkWest Energy Partners, L.P. prior to its merger with MPLX LP where he was Chair of the Audit Committee and a member of the Compensation Committee; Served as a Director of the general partner of Oiltanking Partners, L.P. where he was Chair of the Audit Committee and a member of the Conflicts Committee from August 2011 through February 2014.

Lori A. Gobillot Served as Vice President, Integration Management, at United Airlines, Inc., from 2010 until 2012; Served in officer roles in both legal and business functions at Continental Airlines/United Airlines during her career at the airlines from 1999 to 2012; Serviced as an attorney with the law firm of Vinson & Elkins from 1993-1999; Earned a Bachelor of Business Administration degree from the University of Texas and a Juris Doctor from the University of Texas School of Law; Prior to attending law school, she was engaged in real estate development with Trammell Crow Company and consulting with Arthur Anderson. Other Boards: Serves on the Board of Directors of Republic Airways Holdings, Inc., since 2017, where she is Chair of the Compensation Committee; Served on the Board of Directors of Magellan Midstream Partners L.P. from 2016 until the completion of the acquisition by the Company, where she served on the Compensation Committee, the Nominating and Governance Committee and the Sustainability Committee; Served on the Board of Directors of Bristow Group Inc. from 2012-2019, where she was Chair of the Compensation Committee and served on the Corporate Governance and Nominating Committee; Serves as President and a member of the Board of Directors of A Lighted Path, since 2023, a nonprofit that focuses on improving outcomes for challenged youth. She earned a bachelor's degree from the University of Texas and a Juris Doctor from the University of Texas School of Law.

Ms. Mary M. Spears, Senior Vice President and Chief Accounting Officer, Finance and Tax. 2022 to present, Senior Vice President and Chief Accounting Officer, Finance and Tax, ONEOK. 2019 to 2021, Vice President and Chief Accounting Officer, ONEOK.

Kevin L. Burdick will become Executive Vice President, Chief Enterprise Services Officer effective upon closing of the previously announced merger. Kevin L. Burdick, 2023 to present, Executive Vice President and Chief Enterprise Services Officer, ONEOK. 2022 to 2023, Executive Vice President and Chief Commercial Officer, ONEOK. 2017 to 2022, Executive Vice President and Chief Operating Officer, ONEOK.

On January 21, 2026, the Board of Directors (the ONEOK Board) of ONEOK, Inc. (ONEOK) elected Mark A. McCollum as director to the ONEOK Board, effective January 23, 2026. Mr. McCollum, 66, retired as president and chief executive officer of Weatherford International plc in June 2020, having led the company since April 2017. Before joining Weatherford, he served as executive vice president and chief financial officer of Halliburton Company until March 2017. Prior to his tenure at Halliburton, which began in 2003, Mr. McCollum held senior leadership positions at Tenneco Inc. from 1995 through 2003, including serving as Tenneco's chief financial officer. Earlier in his career, he spent 14 years with Arthur Andersen LLP, ultimately becoming an audit and advisory partner in the firm's global energy practice. Mr. McCollum currently serves on the boards of Westlake Corporation and Seadrill Limited. He previously served as director for Marathon Oil Corporation. Mr. McCollum holds a Bachelor of Business Administration degree from Baylor University.

On January 21, 2026, the Board of Directors (the ONEOK Board) of ONEOK, Inc. (ONEOK) elected Precious Williams Owodunni as director to the ONEOK Board, effective January 23, 2026. Ms. Owodunni, 50, is the chief executive officer of Mountaintop Consulting, a strategy, organizational development and leadership advisory firm that serves blue-chip corporate clients globally, including Fortune 500 energy companies, investment banks, law firms and private equity firms. Before establishing Mountaintop in 2009, she was a vice president at Goldman Sachs & Co., where she made private equity investments in high-growth businesses and served on the boards of several portfolio companies. Ms. Owodunni began her career at Goldman Sachs as an investment banker in the Mergers and Strategic Advisory Group, where she advised oil and gas, power, retail and industrial companies on mergers, acquisitions and corporate finance matters. Ms. Owodunni has served on the board of Cadence Bank since 2019. She graduated from Yale University with a Bachelor of Arts in Ethics, Politics and Economics and received her J.D. from Yale Law School.