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Ms. Sarah M. London. Experience: Centene Corporation: Chief Executive Officer (March 2022 to present), Vice Chairman (September 2021 to March 2022), President, Health Care Enterprises and Executive Vice President, Advanced Technology (March 2021 to September 2021), Senior Vice President, Technology and Modernization (September 2020 to March 2021); Optum Ventures, a division of UnitedHealth Group, a NYSE-listed health insurance company: Senior Principal and Operating Partner (May 2018 to March 2020); Optum Analytics, a division of UnitedHealth Group, a NYSE-listed health insurance company: Chief Product Officer (March 2016 to May 2018), Vice President, Client Management and Operations (March 2014 to March 2016). Bachelor of Arts from Harvard College. Master of Business Administration from the University of Chicago Booth School of Business.

Mr. Asher has served as our Chief Financial Officer since May 2021. From January 2020 to May 2021, he served as Executive Vice President, Specialty. Prior to joining Centene, he served as the Chief Financial Officer of WellCare from November 2014 to January 2020.On August 12, 2026, Andrew Asher, Chief Financial Officer of Centene Corporation, informed the Company that he intends to retire as Chief Financial Officer effective as of December 31, 2026.

Mr. Koster has served as our Secretary and General Counsel since February 2020. From February 2017 to February 2020, he served as Senior Vice President, Corporate Services. Prior to joining Centene, Mr. Koster served as Missouri Attorney General for eight years.

Ms. Smith has served as our Chief Operating Officer since January 2024. Ms. Smith has been an employee of the Company since June 2023. From August 2022 through December 2022, she served as Senior Vice President of Clinical, Quality and Enterprise Solutions President at Humana Inc. From July 2021 through July 2022, she served as Senior Vice President of Clinical Solutions at Humana Inc. She also previously served as Senior Vice President of Medicare at Humana Inc. from August 2019 through June 2021. From October 2016 through July 2019, she served as Senior Vice President of Healthcare Quality Reporting and Improvement at Humana Inc.

Ms. McNally has served as our Chief People Officer since March 2023. From January 2023 to March 2023, she served as our Interim Chief People Officer. From May 2022 to December 2022, she served as our Regional Vice President, Human Resources. From January 2020 to May 2022, she served as our Vice President, Global Human Resource Business Partner. From August 2018 to January 2020, she served as Vice President, Human Resources for WellCare Health Plans, Inc.

Mr. Frederick H. Eppinger, Jr. Current Directorships: Stewart Information Services Company. Prior Directorships: The Hanover Insurance Group, Inc., QBE Insurance Group Ltd. Experience: Stewart Information Services Company, a NYSE-listed global real estate services and title insurance company: Chief Executive Officer (2019 to present), Director (2016 to present); The Hanover Insurance Group, a NYSE-listed property and casualty insurance company: Director, President and Chief Executive Officer (2003 to 2016); Hartford Financial Service Group, a NYSE-listed investment and insurance company: Executive Vice President of Property and Casualty Field and Service Operations (2001 to 2003); Channel Point, a business-to-business technology firm for insurance companies: Executive Vice President of Industry Services, Marketing and Service Operations (2000 to 2001); McKinsey & Co., a global management consultancy firm: Senior Director and Partner (1985 to 2000); Coopers & Lybrand, an accounting firm: Accountant. Bachelor of Arts from the College of the Holy Cross. Master of Business Administration from the Tuck School of Business Administration at Dartmouth College.

Mr. Kenneth Y. Tanji. Current Directorships: The Public Service Enterprise Group, Inc., Putnam Mutual Funds. Experience: Prudential Financial, Inc., a NYSE-listed international financial services firm: Executive Vice President and Chief Financial Officer (2018 to 2024), Senior Vice President and Treasurer (2013 to 2018), Chief Financial Officer, International Insurance (2010 to 2013), Chief Financial Officer, Prudential Annuities (2006 to 2010), Chief Financial Officer, Prudential Investment Management (2004 to 2006), Vice President of Finance, Investment Division (2002 to 2004), Senior Vice President, Prudential Securities (1994 to 2002), Various roles of increasing importance, including healthcare insurance (1988 to 1994). Bachelor of Arts from Yale University. Master of Business Administration from University of Minnesota.

Ms. Jessica L. Blume. Current Directorships - Publix Super Markets, Inc. EXPERIENCE: Deloitte LLP, a leading PCAOB registered public accounting firm. Vice Chairman (2012 to 2015), Partner (1989 to 2015). Prior to Deloitte, she served as Chief Financial Officer for one of the largest US local governments. Bachelor of Science from the University of Central Florida Former CPA.

Mr. Christopher J. Coughlin. Prior Directorships - Allergan plc, Alexion Pharmaceuticals, Inc., Covidien plc, Dipexium Pharmaceuticals, Inc., Perrigo Company, Prestige Consumer Healthcare, Inc., Karuna Therapeutics, Inc., Hologic Inc., Dun & Bradstreet Corp., Forest Laboratories, LLC, Interpublic Group of Companies, Monsanto Company. EXPERIENCE: Tyco International Ltd., a NYSE-listed public manufacturing, healthcare and security systems company. Senior Advisor to the Chief Executive Officer and member of Board of Directors (2010 to 2012), Executive Vice President and Chief Financial Officer (2005 to 2010). Interpublic Group of Companies, a NYSE-listed public multimedia company. Chief Operating Officer (2003 to 2004), Chief Financial Officer (2003 to 2004). Pharmacia Corporation, a NYSE-listed public pharmaceuticals company. Executive Vice President and Chief Financial Officer (1998 to 2003), Received a Bachelor of Science from Boston College.

Mr. Monte E. Ford. Current Directorships: JetBlue Airways Corporation, Iron Mountain Inc., Akamai Technologies, Inc. Prior Directorships: Health Care Service Corporation (HCSC), MoneyGram International, Inc., Oncor Electric Delivery Company LLC, Meta Group, Michael's Stores. Experience: CIO Strategy Exchange (CIOSE), a leading cross-industry consortium of Chief Information Officers from many of the world's largest companies: Principal Partner (2015 to present); Aptean Inc., an ERP software and technology company: Chief Executive Officer (2012 to 2013); American Airlines, Inc., a NYSE-listed public airline company: Chief Information Officer (2000 to 2012); Associates First Capital, a financial services company: President, Associates Services Corporation (1997 to 2000), Chief Information Officer (1994 to 2000); Bank of Boston, a regional bank: Senior Vice President (1990 to 1994); Digital Equipment Corporation, a NYSE-listed public computer manufacturer: Various senior sales, marketing and technology positions (1982 to 1990). Bachelor of Science from Northeastern University.

Mr. H. James Dallas. Current Directorships - KeyCorp. Prior Directorships - WellCare Health Plans, Inc., Strategic Education, Inc., Capella Education Company. EXPERIENCE: Independent Consultant - Focusing on change management, information technology strategy and risk (2013 to present). Medtronic Plc, a NYSE-listed global medical technology company. Senior Vice President of Quality and Operations (2011 to 2013), Senior Vice President and Chief Information Officer (2006 to 2011). Georgia-Pacific Corporation, a NYSE-listed public company which manufactures tissue, pulp, paper, packaging, building products and related chemicals. Vice President and Chief Information Officer (2002 to 2006), President, Lumber Division and other roles of increasing responsibility (1984 to 2002). Bachelor of Science from the University of South Carolina - Aiken, Master of Business Administration from Emory University. -

Mr. Theodore R. Samuels. Current Directorships: Bristol Myers Squibb, Iron Mountain, Inc. Prior Directorships: Stamps.com, Perrigo Company, plc. Experience: Capital Guardian Trust Company, part of the Capital Group, an investment manager: President (2010 to 2017), Investor and Global Equity Portfolio Manager (1981 to 2016), Capital Group Finance Committee (2013 to 2016), Capital Group Board (2005 to 2009), Numerous Investment and Management Committees (1981 to 2017). Bachelor of Arts from Harvard College. Master of Business Administration from Harvard Business School.

Effective July 28, 2026, the Board elected Paul Diaz to the Board. Mr. Diaz has served as a Managing Partner at Cressey & Company, a private equity firm focusing on healthcare, since May 2025. Prior to that, he served as Director, President and CEO of Myriad Genetics, Inc., a publicly-traded genetic testing and precision medicine company from August 2020 to April 2025. Prior to that, he was a partner with Cressey from 2016 to 2020. Prior to that, he served with Kindred Healthcare, a Fortune 500 Company and one of the largest providers of healthcare services in the United States, from 2002 to 2018. He was the President and CEO of Kindred Healthcare from 2004 to 2015 and a director from 2004 to 2018.

Effective June 19, 2026, the Board of Directors of Centene Corporation elected Lauren Tyler to the Board. Ms. Tyler served for more than two decades at JPMorgan Chase & Co., a multinational banking institution. She most recently served as Executive Vice President, Global Head of Human Resources for JPMorgan Chase's Asset & Wealth Management Division from 2015 to 2024. From 2014 to 2015, Ms. Tyler served as its Global Firmwide Chief Auditor. Prior to that, Ms. Tyler had served as its Global Firmwide Head of Investor Relations from 2009 to 2012. Ms. Tyler currently serves on the board of Cencora, Inc., a global pharmaceutical company and Guardian Life, a leading mutual insurance company. She currently serves on the boards of Cencora, Inc., and Guardian Life. She previously served on the board of Alleghany Corporation until its acquisition in 2022. Ms. Tyler holds an MBA from Harvard Business School and a BA from Yale University.

Daniel Finke is a seasoned healthcare executive with over 25 years of experience leading, scaling, and managing complex health plan organizations across government and commercial markets. He currently serves as the Group President, Markets and Commercial at Centene Corporation, a role he assumed in April 2026 to oversee the company's Medicaid, Commercial, and Individual Coverage Health Reimbursement Arrangements (ICHRA) business units. Throughout his career, Finke has built a reputation for driving operational growth, improving healthcare affordability, and championing consumer-centric healthcare technology.Finke launched his professional journey in the pharmaceutical field after earning a Bachelor of Science in Pharmacy from the University of Cincinnati. He later expanded his business acumen by obtaining a Master of Business Administration (MBA) and an additional bachelor's degree in natural sciences from Xavier University. Prior to his executive tenure at Centene, he served as the Chief Executive Officer of Convey Health Solutions, where he led the deployment of purpose-built technology and data analytics to empower health plans. Finke also held notable executive roles as an Executive Vice President at CVS Health and President of Aetna, where he managed the healthcare benefits and strategic operations for more than 34 million members. His earlier leadership background includes serving as President and Chief Operating Officer of EmblemHealth and spending a decade in various management positions at Anthem.

Michael A. Carson is an accomplished healthcare executive with nearly 30 years of operations and strategic leadership experience across the payer and provider sectors. In April 2026, he was promoted to Group President, Medicare and Specialty at Centene Corporation, expanding his executive oversight to include Centene's Medicare Advantage, Medicare Part D, Duals, and Specialty business segments. In this high-stakes alignment, Carson operates alongside Daniel Finke, reporting directly to Centene's CEO, Sarah London, to drive long-term business performance and cost discipline amidst rigorous regulatory and market payment pressures. Carson originally joined Centene in January 2024 as the President and Chief Executive Officer of its Medicare brand, Wellcare, where he successfully steered business growth and market strategy. Before transitioning to Centene, he served as the CEO and Operating Partner of CareAbout, a value-based primary and multi-specialty care delivery start-up focused heavily on Medicare and dual-eligible risk management. His extensive career also features definitive executive appointments as the CEO of Bright Health Plan and the President and CEO of Harvard Pilgrim Health Care, where he gained industry recognition for leading a comprehensive organizational turnaround. Earlier in his managed care trajectory, Carson built and restructured profitable Medicare operations at Anthem and Amerigroup, in addition to holding transformative governance roles at ConcertoHealth and various Blue Cross Blue Shield plans. A proud veteran, Carson initiated his career by dedicating nearly a decade of service to the United States Air Force in standardization and evaluation management before pivoting into corporate health environments. He holds a Bachelor of Science in Business Administration from the University of Phoenix and pursued continued executive learning at the Indiana University Kelley School of Business. Dedicated to broader public health progress, Carson has consistently lent his leadership to community and policy boards, having served as a director for America's Health Insurance Plans (AHIP), the Alliance of Community Health Plans (ACHP), the Massachusetts Association of Health Plans, and the Schwartz Center for Compassionate Healthcare.

Katie N. Casso. Ms. Casso has served as our Senior Vice President, Finance, Corporate Controller and Chief Accounting Officer since September 2024. Prior to that, she served as our Senior Vice President, Corporate Controller and Chief Accounting Officer from April 2021 to September 2024. From January 2016 to March 2021, she served as Vice President, Assistant Controller. Kate Casso, who has been with the Company for over two decades and served as the Company's prior Corporate Controller and Chief Accounting Officer since April 2021, has been appointed Senior Vice President, Finance Operations and Innovation, effective as of March 18, 2026.

Effective March 18, 2026, the Board of Directors of Centene Corporation appointed Theodore Pienkos, a registered CPA, to serve as the Company's Corporate Controller and Chief Accounting Officer. Mr. Pienkos previously has served as the Company's Deputy Corporate Controller since August 2024. Prior to that, he served as Vice President of Finance & Accounting from August 2017 to August 2024, and he has held other accounting roles of increasing importance with Centene since March 2011. Before joining Centene, Mr. Pienkos served as an auditor for KPMG LLP from August 2004 to March 2011. He holds a BA and MA in Accounting from the University of Northern Iowa.