Corporate Responsibility Report

Our mission is to transform the health of the communities we serve, one person at a time.

Centene is a leading healthcare enterprise that is committed to helping people live healthier lives. The Company takes a local approach - with local brands and local teams - to provide fully integrated, high-quality and cost-effective services to government-sponsored and commercial healthcare programs, focusing on under-insured and uninsured individuals. Centene offers affordable and high-quality products to more than 1 in 15 individuals across the nation, including Medicaid and Medicare members (including Medicare Prescription Drug Plans) as well as individuals and families served by the Health Insurance Marketplace.

Table of Contents

INTRODUCTION

CEO and Chairman Letter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Driven by Our Commitment to Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

About this Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

EMPOWERING HEALTH

Healthcare Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Healthcare Access and Social Drivers Of Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Healthcare Innovation and Thought Leadership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Customer Experience and Relationship Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

BUILDING HEALTHIER COMMUNITIES

Our People . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Our Business . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Our Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

FOSTERING A HEALTHY ENVIRONMENT

EnvironmentalImpactsOnHealth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Environmental Sustainability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

DRIVING BUSINESS ACCOUNTABILITY

Governance and Accountability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Ethics & Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Data Privacy and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Risk Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Public Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

APPENDICES

CEO and Chairman Letter

We're proud to share Centene's 2024 Corporate Responsibility Report: Empowering Healthy Communities . For more than 40 years, Centene has championed work to transform the health of the communities we serve, one person at a time . At the heart of this mission is the belief that everyone should have access to high-quality, affordable healthcare, regardless of age or economic condition - a belief that drives every member of the CenTeam .

Our Corporate Sustainability Framework integrates principles of corporate responsibility, ethical business strategies, and

Sarah LondonChief Executive Officer

governance into everything we do . As a company serving diverse populations, we know a workforce that reflects those we serve helps us to better connect with our members and deliver the best possible care . Additionally, our uniquely local approach focuses on addressing our members' specific needs based on local factors that impact their well-being . This goes beyond providing access to healthcare and includes addressing other essential factors that have been proven to drive health outcomes, including reliable transportation, safe housing, access to healthy foods, clean water, and other environmental factors .

Frederick Eppinger

In 2024, we brought these principles to life through community partnerships across the nation . For example, through a partnership between The Centene Foundation and McCormack Baron Salazar, we are supporting the creation of thousands of affordable housing units in low-income communities . We're also investing in Community Health Centers - the country's primary care lifeline for underserved populations - through a multiyear partnership with the National Association of Community Health Centers . Beyond this, we supported members, providers, partners, and employees in critical moments such as the aftermath of Hurricanes Helene and Milton, when our team quickly mobilized donations and coordinated access to essential care for those affected . These are just a few examples of the many moments in which we stepped up for one another to empower healthy communities last year .

Chairman of the

Board of Directors

The programs, investments, partnerships, and metrics outlined in this report highlight how our sustainability practices, uniquely local approach, and deep sense of purpose all work together to help us create a healthier future for our members .

Driven by Our Commitment to Health

For 40 years, Centene has been dedicated to delivering accessible, high-quality healthcare while prioritizing partnerships with local communities to pave the way for a sustainable future.

Centene's core philosophy is that quality healthcare is best delivered locally . Through local brands and local teams, we provide fully integrated, high-quality and cost-effective services to Medicaid and Medicare members (including those with Medicare Prescription Drug Plans), as well as individuals and families served by the Health Insurance Marketplace .

Centene is the largest Medicaid managed care organization in the country and a leader in Florida, New York and Texas - three of the largest Medicaid states . We are the largest carrier on the Health Insurance Marketplace, under the brand name Ambetter Health . We also serve approximately 1 1. million Medicare Advantage members, primarily under the brand name Wellcare, with a higher concentration of lower-income, medically complex members than any of our competitors . We are also the largest Medicare Part D prescription drug plan

(PDP), serving approximately 6 9. million members under the brand name Wellcare .

As we continually enhance care delivery for our 28 6. million members, our unwavering commitment lies in integrating principles of corporate responsibility and strong governance across all facets of our operations . Our commitment to serving lower-income individuals helps drive long-term financial value, with 62% of our revenue coming from Medicaid, 21% from commercialbusiness, including the Health Insurance Marketplace, and 14% from Medicare .

Together, we are building a sustainable enterprise focused on empowering healthy and resilient communities, establishing Centene as a preferred partner for our state and federal government customers, and empowering our employees to do their best work while delivering value for our shareholders . Guided by our mission and core values, we are shaping a future through One CenTeam where healthcare is provided as a service to create holistic well-being for all .

Centene is the largest carrier on the Health Insurance Marketplace, under the brand name Ambetter Health .

CORPORATE SUSTAINABILITY ASSESSMENT AND FRAMEWORK

About this Report

Centene's Corporate Responsibility Report covers 2024 health, social, environmental and governance impacts and highlights our efforts to empower healthy communities . While Centene has distinct frameworks that guide different aspects of our corporate sustainability work, this report reflects a holistic approach that drives our strategy and is essential to our mission . Given the diverse membership we serve, Centene's commitments are vital to our continued ability to serve our customers and improve access to healthcare for low-income and medically complex populations . This report is organized around our four corporate sustainability pillars and their underlying topics

(as described to the right), which are aligned with Centene's overall strategy and long-term growth objectives .

Our approach to identifying and prioritizing corporate sustainability topics includes a consideration of impacts to our business outcomes, the importance of issues to our stakeholders, and the impacts of our business activities on health outcomes, society and the environment . Centene's 2023 corporate sustainability assessment included analysis of our industry and peer group, executive interviews incorporating consideration of external stakeholder priorities, and review and approval by executive leaders and the Board of Directors . The assessment allowed us to refresh the corporate sustainability framework structured around four pillars that align with our strategic business goals and our mission of transforming the health of the communities we serve, one person at a time .

EMPOWERING HEALTH

• • Healthcare Quality

• • Healthcare Access and Social Drivers of Health

• • Healthcare Innovation and Thought Leadership

• • Customer Experience and Relationship Management

DRIVING BUSINESS ACCOUNTABILITY

• • Governance and Accountability

• • Ethics and Compliance

• • Data Privacy and Security

• • Risk Management

• • Public Policy

These focus areas guide our commitment to Empowering Health, Building Healthier Communities, Fostering a Healthy Environment and Driving Business Accountability . We intend to review these focus areas annually and conduct a formal assessment no less than every three years . We routinely update our corporate sustainability reporting on ourcorporate websiteand ourcorporate sustainability pagefor investors .

INCLUSIVE BUSINESS PRACTICES FRAMEWORK

At Centene, contributions from individuals with various backgrounds, cultures and perspectives empower us to deliver better healthcare outcomes for our members and support long-term community growth . Guided by the core pillars of our strategic inclusive business practices framework - Our People, Our Business and Our Communities - we work acrossour organization to build an inclusive workplace culture, foster strategic partnerships and investments, drive economic impact and offer access to opportunities for all .

In early 2024, we announced an important next step in our journey to fully embed this framework into business operations . Through an interdisciplinary office, our business partners work in direct collaboration with internal stakeholders to provide customized support for our members, providers, customers, partners, vendors and others . Partnerships with several teams, including External Affairs, the People Team (Human Resources), the Growth Office, Procurement and Health Equity, amplified the impact of our strategy to support improved quality performance, enhance the member experience and drive positive business outcomes .

STAKEHOLDER ENGAGEMENT

Centene continues to proactively engage with our stakeholders to inform and execute our corporate sustainability strategy.

We value each stakeholder's unique perspective and use various forums, surveys and discussions to obtain feedback on our corporate sustainability priorities and to continuously improve how we operate . We used the following outreach approaches to engage with our stakeholders in 2024:

REPORTING BOUNDARIES AND DISCLOSURES

Unless otherwise noted, this report covers the 2024 calendar year and includes combined data for Centene Corporation and its subsidiaries . The terms "we," "us," "our," "the Company" "CenTeam" and "Centene" collectively refer to Centene Corporation and its subsidiaries . Refer to our most recent Form 10-K for more information about our operations, business segments, consolidated financial reporting and subsidiary listing .

Qualitative and quantitative disclosures within this report were developed through an internal review process that included senior leadership and cross-functional business partners . The report was reviewed by the Enterprise Risk Committee and the Governance Committee of the Board of Directors prior to publication .

Empowering Health

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Disclaimer

Centene Corporation published this content on March 27, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on March 28, 2025 at 19:20 UTC .