Occidental Petroleum OXY

Ms. Hollub became President and Chief Executive Officer of Occidental Petroleum Corporation in April 2016. She has been a member of Occidental's Board of Directors since 2015. During her more than 40-year career with Occidental, Ms. Hollub has held a variety of management and technical positions with responsibilities on three continents, including roles in the United States, Russia, Venezuela and Ecuador. Before her appointment to President and Chief Executive Officer, she served as Occidental's President and Chief Operating Officer, overseeing the company's oil and gas, chemical and midstream operations. Ms. Hollub previously was Senior Executive Vice President, Occidental Petroleum, and President, Oxy Oil and Gas, where she was responsible for operations in the U.S., the Middle East region and Latin America. Prior to that, she held a variety of leadership positions, including Executive Vice President, Occidental, and President, Oxy Oil and Gas, Americas; Vice President, Occidental, and Executive Vice President, U.S. Operations, Oxy Oil and Gas; Executive Vice President, California Operations; and President and General Manager of the company's Permian Basin operations. Ms. Hollub started her career at Cities Service, which was acquired by Occidental. Ms. Hollub serves on the board of the American Petroleum Institute. She is a member of the Oil and Gas Climate Initiative and past chair of the World Economic Forum's Oil and Gas Community. A graduate of the University of Alabama, Ms. Hollub holds a Bachelor of Science in Mineral Engineering. She was inducted into the University of Alabama College of Engineering 2016 class of Distinguished Engineering Fellows and elected to the National Academy of Engineering Class of 2024. Current Public Company Directorships: Lockheed Martin. On April 30, 2026, Vicki Hollub, President and Chief Executive Officer of Occidental Petroleum Corporation, informed the Board of Directors of Occidental of her decision to retire, effective as of June 1, 2026. Following her retirement as President and CEO, Ms. Hollub, who was elected as a member of the Board at Occidental's 2026 Annual Meeting of Shareholders, will continue to serve as a member of the Board.

Mr. Kenneth Dillon, Senior Vice President since December 2016; President - International Oil and Gas Operations since June 2016.

On April 30, 2026, as part of its management succession planning, the Board unanimously approved the appointment of Richard A. Jackson, 50, as Occidental's President and CEO and as a member of the Board, in each case effective as of June 1, 2026. Mr. Jackson has over 25 years of experience in the oil and gas industry, holding a variety of technical and leadership roles. Mr. Jackson joined Occidental in 2003 and has served as Occidental's Senior Vice President and Chief Operating Officer since October 2025. Mr. Jackson's previous positions at Occidental include Senior Vice President and President of Operations for U.S. Onshore Resources and Carbon Management from October 2020 to October 2025.

Mr. Robert L. Peterson, Senior Vice President since April 2020; Executive Vice President, Essential Chemistry, 2023-January 2026; Chief Financial Officer, 2020-2023; Senior Vice President, Permian EOR, 2019-2020; Vice President, Permian Strategy, 2018-2019; Director, Permian Business Area, 2017-2018; President, OxyChem, 2014-2017.

Mr. Sunil Mathew, Senior Vice President and Chief Financial Officer since August 2023; Vice President, Strategic Planning, Analysis and Business Development 2020-2023; Vice President, Strategic Planning and Analysis 2014-2020.

Mr. Gould is the former Chairman and Chief Executive Officer of Schlumberger Limited (Schlumberger), a leading oilfield services company, and served in that capacity from 2003 to 2011. Mr. Gould began his career at Schlumberger in 1975 in its Internal Audit department, based in Paris. In addition to his career at Schlumberger, Mr. Gould served as non-Executive Chairman of BG Group, a multinational oil and gas company, from 2012 until its sale to Royal Dutch Shell in 2016 and served as interim Executive Chairman in 2014. Mr. Gould served on the United Kingdom Prime Minister's Council for Science and Technology from 2004 to 2007. He was Vice-Chairman Technology for the United States National Petroleum Council's 2007 report Facing the Hard Truths about Energy and was awarded the Charles F. Rand Memorial Gold Medal by the Society of Petroleum Engineers in 2014. He is currently a partner of CSL Capital Management, a private equity firm that specializes in energy services, Chairman of Kayrros Advisory Board, an advanced data analytics company, and Chairman of the International Advisory Board at Boston Consulting Group Center for Energy Impact. Mr. Gould is a member of the U.S. National Petroleum Council. Mr. Gould has an undergraduate degree in Economic History from Cardiff University and qualified as a Chartered Accountant with the Institute of Chartered Accountants in England and Wales.

Mr. Shearer retired in 2017 as a managing director of BlackRock Advisors, LLC, an investment management company, where he also served as co-head of BlackRock's Equity Dividend team and was a member of the Fundamental Equity Platform within BlackRock's Portfolio Management Group. Mr. Shearer was also the portfolio manager for both the BlackRock Equity Dividend Fund and Natural Resources Trust, which grew from $500 million to over $50 billion under his leadership. Prior to that, Mr. Shearer managed the Merrill Lynch World Natural Resources Portfolio for Merrill Lynch Investment Managers, which merged with BlackRock in 2006. Mr. Shearer has also held senior leadership roles at David L. Babson & Company, Concert Capital Management and Fiduciary Trust Company International. As a senior research officer for Citicorp Investment Management, he focused on the oil industry, including exploration and production, pipelines and oilfield services. Mr. Shearer holds an undergraduate degree in Economics from the University of Wisconsin, as well as a Master of International Management from the Thunderbird School of Global Management and a Master of Business Administration from the University of Wisconsin. He is a Chartered Financial Analyst.

Mr. Klesse is the former Chief Executive Officer and former Chairman of the Board of Valero Energy Corporation (Valero), an international manufacturer and marketer of transportation fuels, other petrochemical products and power. He joined the Valero board as Vice Chairman in 2005 and served as Chairman of the Board from 2007 until his retirement in December 2014. From 2006 to May 2014, he served as Chief Executive Officer of Valero and served as President from 2008 to 2013. From 2003 to 2005, Mr. Klesse was Valero's Executive Vice President and Chief Operating Officer. Prior to that, he served as Executive Vice President of Refining and Commercial Operations following Valero's 2001 acquisition of Ultramar Diamond Shamrock Corporation, where he had been Executive Vice President of the company's refining operations. Mr. Klesse began his 45-plus year career in the energy industry at Diamond Shamrock Corporation, which merged with Ultramar Corporation in 1996. Mr. Klesse is a trustee of the University of Dayton, Texas Biomedical Research Institute and United Way of San Antonio and Bexar County. He also serves on the boards of The Briscoe Western Art Museum and as chairman of its endowment and Christus Santa Rosa Children's Hospital Foundation. Mr. Klesse holds a bachelor's degree in Chemical Engineering from the University of Dayton and a Master of Business Administration with an emphasis in Finance from West Texas A&M University. Former Public Company Directorships: (within the last 5 years): MEG Energy.

Mr. Poladian is currently a director and the former Executive Vice President and Chief Operating Officer (2002-2016) of Lowe Enterprises, Inc., a privately-held diversified national real estate company active in commercial, residential and hospitality property investment, management and development. During his tenure as Chief Operating Officer, Mr. Poladian oversaw human resources, risk management, construction, finance and legal functions across the firm. Mr. Poladian was with Arthur Andersen from 1974 to 2002, admitted to Partner in 1984, Managing Partner, Pacific Southwest in 1989, and is a certified public accountant (inactive). He is a past member of the Young Presidents Organization, the California Society of CPAs and the American Institute of CPAs. Mr. Poladian was appointed to the California State Board of Accountancy and served in the position for nine years. He is a Director Emeritus of the YMCA of Metropolitan Los Angeles, a member of the Board of Advisors of the USC Price School of Public Policy, a member of the Board of Advisors of the Ronald Reagan UCLA Medical Center and a former Trustee of Loyola Marymount University. Mr. Poladian holds a bachelor's degree in Accounting from Loyola Marymount University. Current Public Company Directorships: Public Storage and Western Asset Funds.

Ms. Bailey has been President of Anderson Stratton International, LLC (ASI), a strategic consulting and government relations entity, since November 2005 and is a former equity partner of BHMM Energy Services, LLC (2006-2013), a certified minority-owned energy facility management company. Before being the President of ASI, Ms. Bailey was a partner with Bennett Johnston & Associates, LLC, a public relations firm in Washington, D.C. (2004-2006). Ms. Bailey served as Assistant Secretary, U.S. Department of Energy for both Domestic Policy and International Affairs from 2001 to 2004. In the aftermath of September 11th, she was co-chair of several bilateral international energy working groups with the goal of implementing our national energy policy and strengthening our relationships with other nations to foster energy security. Also, in this role, she served as Vice Chair and the U.S. representative to the International Energy Agency, working with all energy-producing nations. Notably the International Energy Forum (IEF) was established in Riyadh, Saudi Arabia during her time as Assistant Secretary. Domestically, Ms. Bailey oversaw the development and implementation of energy policy in the areas of clean coal technologies, nuclear power, crude oil production, natural gas development and LNG production. Previously, she was the President of PSI Energy, Inc., Indiana's largest electric utility and a subsidiary of Cinergy Corp. (now Duke Energy). From 1993 to 2000, she was appointed as a Commissioner, Federal Energy Regulatory Commission (FERC), and from 1986 to 1993, she served as a Commissioner, Indiana Utility Regulatory Commission (IURC). Ms. Bailey was a trustee of the North American Electric Reliability Corporation (NERC) from 2010 to 2013. In addition to her public company board service, Ms. Bailey serves as Executive Chair of the United States Energy Association (USEA); a trustee of The Conference Board (TCB); Co-Vice Chair of Resources for the Future (RFF); and a member of the Foundation of Energy Security and Innovation Board of Directors, the National Petroleum Council and the American Association of Blacks in Energy (AABE) Board of Directors. Ms. Bailey has a Bachelor of Science in Industrial Management from the Krannert School of Management at Purdue University and completed the Advanced Management Program at the Wharton School of the University of Pennsylvania. Current Public Company Directorships: EQT Corporation and TXNM Energy. Former Public Company Directorships (within the last 5 years): Cheniere Energy, Inc. and Equitrans Midstream Corp.

Secretary Gutierrez is the Co-Founder and former Executive Chairman and CEO of EmPath, Inc., a skills intelligence software technology company, where he served from July 2020 until October 2024. Previously, Secretary Gutierrez was Co-Chair of Albright Stonebridge Group, a commercial diplomacy and strategic advisory firm, from April 2013 to July 2020. He joined Albright Stonebridge from Citigroup Inc. where he was Vice Chairman of the Institutional Clients Group and a member of the Senior Strategic Advisory Group from 2011 to February 2013. Prior to joining Citigroup, Secretary Gutierrez was with communications and public affairs consulting firm APCO Worldwide Inc., where he was Chairman of the Global Political Strategies division in 2010. He served as U.S. Secretary of Commerce from February 2005 to January 2009, where he worked with foreign government and business leaders to advance economic relationships and enhance trade. Prior to his government service, Secretary Gutierrez was with Kellogg Company, a global manufacturer and marketer of well-known food brands, for nearly 30 years. After assignments in Latin America, Canada, Asia, and the United States, he became President and Chief Executive Officer in 1999 and Chairman of the Board in 2000, positions he held until 2005. He is a member of the Human Freedom Advisory Council at the George W. Bush Institute and the Bo'ao Forum for Asia and serves as an advisory board member for Altura Capital. Current Public Company Directorships: MetLife, Inc. Former Public Company Directorships (within the last 5 years): Exelon Corporation

Mr. Robinson served as the Senior Vice President of Audit and Controls at Exelon Corporation, a utility services holding company, from 2016 to 2020. Before Exelon, Mr. Robinson held several senior leadership positions during his nearly 40-year career at The Procter & Gamble Company, including Vice President, Global Diversity & Inclusion; Global Risk and Compliance Leader; Chief Audit Executive; and Vice President, Finance. In addition to his public company directorships, Mr. Robinson currently serves on the board of directors of Morgan Stanley U.S. Banks. He also serves as a Trustee of the International Financial Reporting Standards Foundation and is a board member for the National Underground Railroad Freedom Center Museum. Mr. Robinson has a Bachelor of Science from Mississippi State University and a Master of Business Administration from the University of Memphis. Current Public Company Directorships: Abercrombie & Fitch Co. and Paylocity Holding Corp.

Ms. O'Neill served as the Managing Director for Climate and Energy at the World Business Council for Sustainable Development (WBCSD), a global organization focusing on sustainable development, from August 2020 until December 2021. Prior to that, Ms. O'Neill served as COP26 President-Designate from July 2019 until February 2020 and was a UK Member of Parliament for Devizes from 2010 until 2019. She was appointed as a Government Whip and Minister for Rail before being appointed as Minister of State for Energy and Clean Growth. Ms. O'Neill currently serves as a Board Member of the Gren Group and Singapore Exchange Regulatory Company, Board Chair of Climate Impact Exchange, Co-Chair of the Imperatives Advisory Board at the WBCSD, Senior Global Advisor at McKinsey and Company and as an Advisor to Climate Investment. From March 2022 to January 2023, Ms. O'Neill served as an Executive Board Director and Audit Committee member of Scottish Power. Ms. O'Neill is a Fellow of the Royal Geographical Society and a Business Fellow at the Smith School of Enterprise and Environment at Oxford University. Ms. O'Neill has a Bachelor of Arts in Geography from Brasenose College at Oxford University and a Master of Business Administration from Harvard Business School. Current Public Company Directorships: Singapore Stock Exchange. Former Public Company Directorships: (within the last 5 years): Windward.

Mr. Jeff F. Simmons, Senior Vice President, Technical and Operations Support since November 2021 and Chief Petrotechnical Officer since January 2021; Senior Vice President, Technical Planning and Evaluation 2017-2021; Executive Vice President, Growth and Operations Support 2016-2017.

Ms. Sylvia J Kerrigan, Senior Vice President and Chief Legal Officer since October 2022; Executive Director of the Kay Bailey Hutchison Energy Center for Business, Law and Policy at The University of Texas, 2017-2022; Executive Vice President, General Counsel and Corporate Secretary of Marathon Oil Corporation, 2009-2017.

Mr. Christopher O. Champion, Vice President, Chief Accounting Officer and Controller since August 2019; Anadarko Petroleum Corporation: Senior Vice President, Chief Accounting Officer and Controller, 2017-2019, Vice President, Chief Accounting Officer and Controller, 2015-2017.