Centene 10-K 2024-12-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

(Mark One)

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2024

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number: 001-31826

Centene Corporation

(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code: (314) 725-4477

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

None

(Title of Class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statement of the registrant included in the filing reflect the correction of an error to the previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b) ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant, based upon the last reported sale price of the common stock on the New York Stock Exchange on June 30, 2024, was $34.9 billion.

As of February 14, 2025, the registrant had 496,044 thousand shares of common stock issued and outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the registrant's 2025 annual meeting of stockholders are incorporated by reference in Part III, Items 10, 11, 12, 13 and 14.

CENTENE CORPORATION

ANNUAL REPORT ON FORM 10-K

TABLE OF CONTENTS

CAUTIONARY STATEMENT ON FORWARD-LOOKING STATEMENTS

All statements, other than statements of current or historical fact, contained in this filing are forward-looking statements. Without limiting the foregoing, forward-looking statements often use words such as "believe," "anticipate," "plan," "expect," "estimate," "intend," "seek," "target," "goal," "may," "will," "would," "could," "should," "can," "continue" and other similar words or expressions (and the negative thereof). Centene Corporation and its subsidiaries (Centene, the Company, our or we) intends such forward-looking statements to be covered by the safe-harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995, and we are including this statement for purposes of complying with these safe-harbor provisions. In particular, these statements include, without limitation, statements about our expected future operating or financial performance, changes in laws and regulations (including but not limited to, renewal and modification of the enhanced advance premium tax credits associated with the Marketplace product), market opportunity, competition, expected contract start dates and terms, expected activities in connection with completed and future acquisitions and dispositions, our investments and the adequacy of our available cash resources. These statements may be found in the various sections of this filing, such as Part I, Item 1. "Business," Part I, Item 1A "Risk Factors," Part I, Item 3. "Legal Proceedings," and Part II, Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations."

These forward-looking statements reflect our current views with respect to future events and are based on numerous assumptions and assessments made by us in light of our experience and perception of historical trends, current conditions, business strategies, operating environments, future developments and other factors we believe appropriate. By their nature, forward-looking statements involve known and unknown risks and uncertainties and are subject to change because they relate to events and depend on circumstances that will occur in the future, including economic, regulatory, competitive and other factors that may cause our or our industry's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance, or achievements expressed or implied by these forward-looking statements. These statements are not guarantees of future performance and are subject to risks, uncertainties and assumptions.

All forward-looking statements included in this filing are based on information available to us on the date of this filing. Except as may be otherwise required by law, we undertake no obligation to update or revise the forward-looking statements included in this filing, whether as a result of new information, future events, or otherwise, after the date of this filing. You should not place undue reliance on any forward-looking statements, as actual results may differ materially from projections, estimates, or other forward-looking statements due to a variety of important factors, variables and events including, but not limited to:

• our ability to design and price products that are competitive and/or actuarially sound including but not limited to any impacts resulting from Medicaid redeterminations;

• our ability to maintain or achieve improvement in the Centers for Medicare and Medicaid Services (CMS) Star ratings and maintain or achieve improvement in other quality scores in each case that could impact revenue and future growth;

• our ability to accurately predict and effectively manage health benefits and other operating expenses and reserves, including fluctuations in medical utilization rates;

• competition, including for providers, broker distribution networks, contract reprocurements and organic growth;

• our ability to adequately anticipate demand and timely provide for operational resources to maintain service level requirements in compliance with the terms of our contracts and state and federal regulations;

• our ability to manage our information systems effectively;

• disruption, unexpected costs, or similar risks from business transactions, including acquisitions, divestitures, and changes in our relationships with third-party vendors;

• impairments to real estate, investments, goodwill, and intangible assets;

• changes in senior management, loss of one or more key personnel or an inability to attract, hire, integrate and retain skilled personnel;

• membership and revenue declines or unexpected trends;

• rate cuts, insufficient rate changes or other payment reductions or delays by governmental payors and other risks and uncertainties affecting our government businesses;

• changes in healthcare practices, new technologies, and advances in medicine;

• our ability to effectively and ethically use artificial intelligence and machine learning in compliance with applicable laws;

• increased healthcare costs;

• inflation and interest rates;

• the effect of social, economic, and political conditions and geopolitical events, including as a result of changes in U.S. presidential administrations or Congress;

• changes in market conditions;

• changes in federal or state laws or regulations, including changes with respect to income tax reform or government healthcare programs as well as changes with respect to the Patient Protection and Affordable Care Act and the Health Care and Education Affordability Reconciliation Act (collectively referred to as the ACA) and any regulations enacted thereunder, including the timing and terms of renewal or modification of the enhanced advance premium tax credits or program integrity initiatives that could have the effect of reducing membership or profitability of our products;

• uncertainty concerning government shutdowns, debt ceilings or funding;

• tax matters;

• disasters, climate-related incidents, acts of war or aggression or major epidemics;

• changes in expected contract start dates and terms;

• changes in provider, broker, vendor, state, federal and other contracts and delays in the timing of regulatory approval of contracts, including due to protests and our ability to timely comply with any such changes to our contractual requirements or manage any unexpected delays in regulatory approval of contracts;

• the expiration, suspension, or termination of our contracts with federal or state governments (including, but not limited to, Medicaid, Medicare or other customers);

• the difficulty of predicting the timing or outcome of legal or regulatory audits, investigations, proceedings or matters, including, but not limited to, our ability to resolve claims and/or allegations made by states with regard to past practices on acceptable terms, or at all, or whether additional claims, reviews or investigations will be brought by states, the federal government or shareholder litigants, or government investigations;

• challenges to our contract awards;

• cyber-attacks or other data security incidents or our failure to comply with applicable privacy, data or security laws and regulations;

• the exertion of management's time and our resources, and other expenses incurred and business changes required in connection with complying with the terms of our contracts and the undertakings in connection with any regulatory, governmental, or third party consents or approvals for acquisitions or dispositions;

• any changes in expected closing dates, estimated purchase price, or accretion for acquisitions or dispositions;

• losses in our investment portfolio;

• restrictions and limitations in connection with our indebtedness;

• a downgrade of our corporate family rating, issuer rating or credit rating of our indebtedness; and

• the availability of debt and equity financing on terms that are favorable to us.

This list of important factors is not intended to be exhaustive. We discuss certain of these matters more fully, as well as certain other factors that may affect our business operations, financial condition, and results of operations, in our filings with the Securities and Exchange Commission (SEC), including our quarterly reports on Form 10-Q and current reports on Form 8-K. Due to these important factors and risks, we cannot give assurances with respect to our future performance, including without limitation our ability to maintain adequate premium levels or our ability to control our future medical and selling, general and administrative costs.

SUMMARY OF RISK FACTORS

Our business is subject to numerous risks and uncertainties that you should be aware of in evaluating our business, including risks that may prevent us from achieving our business objectives or may adversely affect our business, financial condition, results of operations, cash flows and prospects. These risks include, but are not limited to, the following, all of which are more fully described in Part 1, Item 1A "Risk Factors". This summary should be read in conjunction with the Risk Factors section and should not be relied upon as an exhaustive summary of the material risks facing our business.

• Failure to accurately estimate and price our medical expenses or effectively manage our medical costs or related administrative costs could have a material adverse effect on our business;

• Any failure to adequately price or anticipate demand for products offered, anticipate changes to the competitive landscape or any reduction in products offered for Medicare Advantage and in the Health Insurance Marketplace may have a material adverse effect on our business;

• Our Medicare programs are subject to a variety of unique risks that could adversely impact our financial results;

• Risk-adjustment payment systems make our revenue and results of operations more difficult to estimate and could result in retroactive adjustments that have a material adverse effect on our business;

• If we are not successful in procuring new government contracts or renewing existing government contracts, or if we receive an adverse finding or review resulting from an audit or investigation, our business may be adversely affected;

• We derive a portion of our cash flow and gross margin from our prescription drug plan (PDP) operations, for which we submit annual bids for participation. The results of our bids could have a material adverse effect on our business;

• Our encounter data may be inaccurate or incomplete, which could have a material adverse effect on our business and ability to bid for, and continue to participate in, certain programs;

• Increases in our pharmaceutical costs could have a material adverse effect on the level of our medical costs and our results of operations;

• Ineffectiveness of state-operated systems and subcontractors could adversely affect our business;

• If state regulators do not approve payments of dividends and distributions by our subsidiaries to us, we may not have sufficient funds to implement our business strategy;

• We derive a significant portion of our premium revenues from operations in a number of states, and our business could be materially adversely affected by a decrease in premium revenues or profitability in any one of those states;

• Competition may limit our ability to increase penetration of the markets that we serve;

• We operate in a highly competitive, dynamic and rapidly evolving industry and our failure to adapt could negatively impact our business;

• If our third-party vendors fail to meet their contractual obligations to us or fail to comply with applicable laws or regulations, our results of operations may be adversely affected and we may be exposed to brand and reputational harm, litigation and/or regulatory action;

• If we are unable to maintain relationships with our provider networks and timely update our provider directories, our profitability may be materially adversely affected;

• If we or our third-party vendors are unable to integrate and manage information systems and networks effectively, our operations could be disrupted;

• A failure in or breach of our operational or security systems, networks or infrastructure, or those of third-party vendors with which we do business, including as a result of cyber-attacks and other data security incidents, could have a material adverse effect on our business;

• We may be unable to attract, retain or effectively manage the succession of key personnel;

• An impairment charge with respect to our recorded goodwill, intangible assets and real estate portfolio could have a material impact on our results of operations and shareholders' equity;

• If eligibility for the enhanced advance premium tax credit for Marketplace members expires without renewal or the eligibility for the credit is modified or delayed, our results of operations, financial condition, and cash flows could be materially and adversely affected;

• Reductions or delays in funding, changes to eligibility requirements for government-sponsored healthcare programs in which we participate, and any inability on our part to effectively adapt to changes to these programs could have a material adverse effect on our business;

• Significant changes or judicial challenges to the ACA and the other government-sponsored healthcare programs in which we participate could materially and adversely affect our business;

• Negative public perception of the managed care industry, including industry practices, could adversely affect our business, operating results, cash flows and prospects;

• Our business activities are highly regulated and new laws or regulations or changes in existing laws or regulations or their enforcement or application could force us to change how we operate and could harm our reputation and business;

• Our ability to provide services and support to manage our members' pharmacy benefits face regulatory risks and uncertainties which could materially and adversely affect our business;

• We have been and may from time to time become involved in costly and time-consuming litigation and other regulatory proceedings, which require significant attention from our management and could adversely affect our business;

• If we fail to comply with applicable data privacy and security laws, regulations, rules, standards and contractual obligations, including with respect to third-party vendors that utilize sensitive personal information on our behalf, our business could be materially and adversely affected;

• If we fail to comply with the extensive federal and state fraud, waste and abuse laws, our business could be materially and adversely affected;

• We might be adversely impacted by tax legislation or challenges to our tax positions;

• Our investment portfolio may suffer losses which could materially and adversely affect our results of operations or liquidity;

• Adverse credit market conditions may have a material adverse effect on our liquidity or our ability to obtain credit on acceptable terms;

• We have substantial indebtedness outstanding and may incur additional indebtedness in the future. Such indebtedness could reduce our agility and may adversely affect our financial condition;

• Previous or future acquisitions may not perform as expected and we may not realize the financial results expected from acquisitions or divestitures;

• We may be unable to successfully integrate our existing business with acquired businesses and realize the anticipated benefits of such acquisitions; and

• Our business and results of operations may be materially adversely affected if we fail to manage and complete divestitures.

Non-GAAP Financial Presentation

The Company is providing certain non-GAAP financial measures in this report as the Company believes that these figures are helpful in allowing investors to more accurately assess the ongoing nature of the Company's operations and measure the Company's performance more consistently across periods. The Company uses the presented non-GAAP financial measures internally in evaluating the Company's performance and for planning purposes, by allowing management to focus on period-to-period changes in the Company's core business operations, and in determining employee incentive compensation. Therefore, the Company believes that this information is meaningful in addition to the information contained in the GAAP presentation of financial information. The Company strongly encourages investors to review its consolidated financial statements and publicly filed reports in their entirety and cautions investors that the non-GAAP financial measures used by the Company may differ from similar measures used by other companies, even when similar terms are used to identify such measures. The presentation of non-GAAP financial measures is not intended to be considered in isolation or as a substitute for the financial information prepared and presented in accordance with GAAP.

Specifically, the Company believes the presentation of non-GAAP financial measures that excludes amortization of acquired intangible assets, acquisition and divestiture related expenses, as well as other items, allows investors to develop a more meaningful understanding of the Company's core performance over time.

The tables below provide reconciliations of non-GAAP items ($ in millions, except per share data):

(1) Other adjustments include the following pre-tax items:

2024:

(a) net gain on the previously reported divestiture of Magellan Specialty Health due to the achievement of contingent consideration and finalization of working capital adjustments of $83 million, or $0.16 per share ($0.12 after-tax), net gain on the sale of property of $24 million, or $0.04 per share ($0.03 after-tax), gain on the previously reported divestiture of Circle Health Group (Circle Health) of $20 million, or $0.04 per share ($0.12 after-tax), gain on the sale of Collaborative Health Systems (CHS) of $17 million, or $0.03 per share ($0.02 after-tax), Health Net Federal Services asset impairment due to the 2024 final ruling on the TRICARE Managed Care Support Contract of $14 million, or $0.03 per share ($0.02 after-tax), severance costs due to a restructuring of $13 million, or $0.02 per share ($0.01 after-tax), an additional loss on the divestiture of our Spanish and Central European businesses of $7 million, or $0.01 per share ($0.01 after-tax) and gain on the previously reported divestiture of HealthSmart due to the finalization of working capital adjustments of $7 million, or $0.01 per share ($0.01 after-tax).

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2023:

(b) Circle Health impairment of $292 million, or $0.53 per share ($0.47 after-tax), Operose Health Group (Operose Health) impairment of $140 million, or $0.26 per share ($0.24 after-tax), real estate impairments of $105 million, or $0.19 per share ($0.16 after-tax), gain on the sale of Apixio of $93 million, or $0.17 per share ($0.12 after-tax), severance costs due to a restructuring of $79 million, or $0.15 per share ($0.11 after-tax), gain on the sale of Magellan Specialty Health of $79 million, or $0.14 per share ($0.11 after-tax), a reduction to the previously reported gain on the sale of Magellan Rx of $22 million, or $0.04 per share ($0.02 after-tax), gain on the previously reported divestiture of Centurion of $15 million, or $0.03 per share ($0.02 after-tax) and an additional loss on the divestiture of our Spanish and Central European businesses of $13 million, or $0.02 per share ($0.01 after-tax).

2022:

(c) real estate impairments of $1,642 million, or $2.82 per share ($2.08 after-tax), PANTHERx Rare (PANTHERx) divestiture gain of $490 million, or $0.84 per share ($0.65 after-tax), impairments of assets associated with the divestitures of our Spanish and Central European, Centurion and HealthSmart businesses of $458 million, or $0.78 per share ($0.60 after-tax), Magellan Rx divestiture gain of $269 million, or $0.46 per share ($0.17 after-tax), Health Net Federal Services asset impairment of $233 million, or $0.40 per share ($0.39 after-tax), gain on debt extinguishment of $27 million, or $0.04 per share ($0.03 after-tax), increase to the previously reported gain on the divestiture of U.S. Medical Management (USMM) due to the finalization of working capital adjustments of $13 million, or $0.02 per share ($0.02 after-tax) and costs related to the pharmacy benefits management (PBM) legal settlement of $6 million, or $0.01 per share ($0.00 after-tax).

(2) The income tax effects of adjustments are based on the effective income tax rates applicable to each adjustment. In addition, the year ended December 31, 2024, includes a tax benefit of $1 million, or $0.00 per share, related to tax adjustments on previously reported divestitures. The year ended December 31, 2023 includes a one-time income tax benefit of $69 million, or $0.13 per share, resulting from the distribution of long-term stock awards to the estate of the Company's former CEO and tax expense of $3 million, or $0.01 per share, related to tax adjustments on previously reported divestitures. The year ended December 31, 2022, includes tax expense of $107 million, or $0.18 per share, related to the Magellan Specialty Health divestiture and a $15 million, or $0.03 per share, tax benefit related to the RxAdvance impairment.

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PART I

OVERVIEW

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.

Centene provides access to high-quality healthcare, innovative programs and a wide range of health solutions that help families and individuals get well, stay well and be well. Our uniquely local approach – with local brands and local teams who live in, care about and directly influence the communities they serve – is a key differentiator in our ability to provide access to quality care to our members. Centene treats the whole person, an approach that is delivered locally and backed by the scale of Centene's expertise, data and resources. Through this approach and our commitment to sustainable partnerships, we work with local community organizations to realize our mission of transforming the health of the communities we serve, one person at a time.

We are focused on making strategic decisions and investments to create additional value in the short-term and to seek opportunities that position the organization for long-term strength, profitability, growth and innovation. In addition to creating shareholder value, we are modernizing and improving how we work in order to propel our organization to new levels of success and elevate the member and provider experiences.

During 2024, we operated in four segments: Medicaid, Medicare, Commercial and Other.

• Medicaid -** includes the Temporary Assistance for Needy Families (TANF) program; Medicaid Expansion programs; the Aged, Blind or Disabled (ABD) program; the Children's Health Insurance Program (CHIP); Long-Term Services and Supports (LTSS); Foster Care; Medicare-Medicaid Plans (MMP), which cover beneficiaries who are dually eligible for Medicaid and Medicare; and other state-based programs.

• Medicare -** includes Medicare Advantage, Medicare Supplement, Dual Eligible Special Needs Plans (D-SNPs) and Medicare Prescription Drug Plans (PDP), also known as Medicare Part D.

• Commercial -** includes the Health Insurance Marketplace product along with individual, small group and large group commercial health insurance products.

• Other -** includes our pharmacy operations, Envolve Benefit Options' vision and dental services, clinical healthcare, behavioral health, the TRICARE program, and corporate management companies, among others.

For the year ended December 31, 2024, our Medicaid, Medicare, Commercial and Other segments accounted for 62%, 14%, 21% and 3%, respectively, of our total external revenues. Our membership totaled 28.6 million as of December 31, 2024. For the year ended December 31, 2024, our total revenues and net earnings attributable to Centene were $163.1 billion and $3.3 billion, respectively, and our total cash flow from operations was $154 million.

Our initial health plan commenced operations in Wisconsin in 1984. We were organized in Wisconsin in 1993 as a holding company for our initial health plan and reincorporated in Delaware in 2001. Our stock is publicly traded on the New York Stock Exchange under the ticker symbol "CNC."

INDUSTRY AND OPERATIONS

We provide a full spectrum of managed healthcare products and services, primarily through Medicaid, Medicare and commercial products.

Medicaid

Medicaid is the largest publicly funded program in the United States and provides health insurance to low-income families and individuals with disabilities. Medicaid is funded jointly by federal and state governments, with the majority of funding provided by the federal government and administered by the states. Each state establishes its own eligibility standards, benefit packages, payment rates and program administration within federal standards. As a result, there are 56 Medicaid programs - one for each U.S. state, each U.S. territory and the District of Columbia. Eligibility is based on a combination of household income and assets, often determined by an income level relative to the federal poverty level. Many states have selected Medicaid managed care as a means of delivering quality healthcare and controlling costs.

Medicaid helps meet the needs of various populations through the following products and programs:

• The TANF program covers low-income families with children.

• Medicaid Expansion covers all individuals under age 65 with incomes up to 138% of the federal poverty level, subject to each state's election. The federal government pays 90% of the costs for Medicaid Expansion coverage for these beneficiaries.

• The ABD program covers low-income individuals with chronic physical disabilities or behavioral health impairments. ABD beneficiaries represent a growing portion of all Medicaid recipients and typically utilize more services as a result of their more complicated health status.

• CHIP helps to expand coverage primarily to children whose families earn too much to qualify for Medicaid, yet not enough to afford private health insurance. Historically, children have represented the largest Medicaid eligible population. Costs are primarily composed of pediatrics and family care, which tend to be more predictable than those associated with other healthcare issues predominantly affecting the adult population.

• LTSS is a Medicaid product that covers Institutional/Residential Care (Nursing and Intermediate Care Facilities) and Home and Community Based Services (HCBS) for beneficiaries requiring assistance with their activities of daily living. The largest groups receiving LTSS, by spending, are older individuals and individuals with physical disabilities, followed by individuals with intellectual and developmental disabilities, those with serious mental illness and/or serious emotional disturbance and other populations. States are increasingly turning to managed care as a solution to provide coordinated, holistic care to their LTSS beneficiaries.

• The majority of children in foster care qualify for Medicaid. The federal government has enacted legislation establishing requirements for state child welfare agencies related to the health and well-being of children in foster care, including the provision of grants and technical assistance to enable states to meet these needs and make explicit connections with Medicaid. In addition, under the ACA, former foster care children are eligible for Medicaid until the age of 26, provided that they turned 18 while in foster care and were enrolled in Medicaid at that time.

• A portion of Medicaid beneficiaries are dual-eligible, low-income seniors and people with disabilities who are enrolled in both Medicaid and Medicare. According to CMS, there were more than 12 million dual-eligible enrollees in 2023. These members may receive assistance from Medicaid for benefits, such as nursing home care, HCBS and/or assistance with Medicare premiums and cost-sharing depending on their income level. Dual-eligibles use more services due to their tendency to have more chronic health issues. We serve dual-eligibles primarily through our ABD, LTSS, MMP and Medicare Advantage D-SNPs lines of business.

While Medicaid programs have directed funds to many individuals who cannot afford or otherwise maintain health insurance coverage, they did not initially address the inefficient and costly manner in which the Medicaid population tends to access healthcare. Medicaid recipients in non-managed care programs typically have not sought p

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You should carefully consider the risks described below before making an investment decision. The trading price of our common stock could decline, and our results of operations, financial condition and cash flows could be materially adversely affected due to any of these risks, in which case you could lose all or part of your investment. You should also refer to the other information in this filing, including our consolidated financial statements and related notes. The risks and uncertainties described below are those that we currently believe may materially affect our Company. Additional risks and uncertainties that we are unaware of or that we currently deem immaterial also may become important factors that affect our Company.

Risks Relating to Our Business

Failure to accurately estimate and price our medical expenses or effectively manage our medical costs or related administrative costs could have a material adverse effect on our results of operations, financial condition and cash flows.

Our profitability depends to a significant degree on our ability to accurately estimate and effectively manage expenses related to health benefits through, among other things, our ability to contract favorably with hospitals, physicians and other healthcare providers. For example, our government-sponsored health programs revenue is often based on bids submitted before the start of the initial contract year. If our actual medical expenses exceed our estimates, our health benefits ratio (HBR), or our expenses related to medical services as a percentage of premium revenues, would increase and our profits would decline. Because of the narrow margins of our health plan business, relatively small changes in our HBR can create significant changes in our financial results. Changes in healthcare regulations and practices, the level of utilization of healthcare services, out-of-network utilization and pricing, medical claim submission patterns, hospital and pharmaceutical costs, including new high-cost specialty drugs, unexpected events, such as natural disasters, the effects of climate change, acts of war or aggression, geopolitical instability, major epidemics, pandemics and their resurgence, or newly emergent diseases, new medical technologies, increases in provider fraud and other external factors, including general economic conditions such as interest rates, inflation and unemployment levels, are generally beyond our control and could reduce our ability to accurately predict and effectively control the costs of providing health benefits. Also, member behavior could continue to be influenced by the uncertainty surrounding the ACA, including potential changes in premium subsidies, including due to changes in the eligibility or amount of enhanced advance premium tax credits for Marketplace products.

In addition, as a result of the expiration of the public health emergency (PHE) due to the COVID-19 pandemic, and the resulting Medicaid redeterminations process, we have experienced a higher HBR related to the remaining members, due to the acuity profile of this membership, as well as the gaps in eligibility for certain members who have rejoined the Medicaid plans. While we continue to work with our state partners to match rates to acuity post-redeterminations, such rate adjustments may be delayed or insufficient to offset the increased acuity.

Our medical expenses include claims reported but not paid, estimates for claims incurred but not reported (IBNR), and estimates for the costs necessary to process unpaid claims at the end of each period. Our development of the medical claims liability estimate is a continuous process that we monitor and refine on a monthly basis as claims receipts and payment information as well as inpatient acuity information becomes available. As more complete information becomes available, we adjust the amount of the estimate, and include the changes in estimates in medical expenses in the period in which the changes are identified. Given the extensive judgment and uncertainties inherent in such estimates, there can be no assurance that our medical claims liability estimate will be accurate, and any adjustments to the estimate may unfavorably impact our results of operations and financial condition and may be material.

Assumptions and estimates are utilized in establishing premium deficiency reserves. For example, we have established a premium deficiency reserve in connection with the 2025 Medicare Advantage business as of December 31, 2024. If our assumptions are inaccurate, we may be required to increase our premium deficiency reserves which could have a material adverse effect on our results of operations and financial condition.

Additionally, when we commence operations in a new state or region or launch a new product, we have limited information with which to estimate our medical claims liability. For a period of time after the inception of the new business, we base our estimates on government-provided historical actuarial data and limited actual incurred and received claims and inpatient acuity information. The addition of new categories of eligible individuals, as well as evolving Health Insurance Marketplace plans, may pose difficulty in estimating our medical claims liability.

From time to time in the past, our actual results have varied from our estimates, particularly in times of significant changes in the number of our members. If it is determined that our estimates are significantly different than actual results, our results of operations and financial condition could be materially adversely affected. In addition, if there is a significant delay in our receipt of premiums, our business operations, cash flows or earnings could be negatively impacted.

Any failure to adequately price or anticipate demand for products offered, anticipate changes to the competitive landscape or any reduction in products offered for Medicare Advantage and in the Health Insurance Marketplace may have a material adverse effect on our results of operations, financial condition and cash flows.

In the Health Insurance Marketplace, we may be adversely impacted if we have not accurately predicted the health needs of our members, including individuals exiting the market causing the morbidity of the risk pool to rise without a proportionate change to risk adjustment. In addition, the risk adjustment provisions of the ACA established to apportion risk amongst insurers may not be effective in appropriately mitigating the financial risks related to the Health Insurance Marketplace product, are affected by our members' acuity relative to the membership acuity of other insurers and are subject to a high degree of estimation and variability, including estimation of the ultimate level of program funding based on the financial performance of other insurers. Further, changes in the competitive market for both Health Insurance Marketplace and the Medicare Advantage products over time, changes to member eligibility in the program design, including due to changes to the eligibility or amount of the enhanced advanced premium tax credits and the timing of those changes, additional program integrity initiatives that have the effect of reducing membership or changes in the financial incentives of individuals, brokers and competitors to participate in such products may make pricing difficult to predict. For example, competitors may introduce pricing, broker incentives or broker distribution channels that we may not be able to match, which may adversely affect our ability to compete effectively. Competitors may also choose to exit the market altogether or otherwise suffer financial difficulty, which could adversely impact the pool of potential insured, affect collectability of risk adjustment payable or require us to increase premium rates. Any significant variation from our expectations regarding acuity, enrollment levels, adverse selection, out-of-network cos

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None.

Cybersecurity Risk Management and Strategy

Our cybersecurity risk management and privacy programs play a central role in the protection of the confidential information of our members, team members, and business partners, and, as such, are critical to the successful operation of our business.

Our cybersecurity risk management program is part of our enterprise-wide risk management practices. Based on the National Institute of Standards and Technology (NIST) Cybersecurity Framework, the program utilizes policies, processes, and technologies to assess, identify, and manage the cybersecurity threats that we face. Specifically, we use these policies, processes and technologies to identify internal and external threats, establish access control, data privacy and security measures, detect unauthorized activity, and respond to and recover from incidents. For example, we leverage external experts and our internal threat and risk teams to assess potential threats, retain external consultants to conduct penetration tests and health checks on our information systems, conduct cyber security and awareness training to help team members identify and manage common categories of cybersecurity threats, utilize multiple protective and detective tools to identify active threats and have a 24/7 Security Operations Center to manage incident response.

Our cybersecurity risk management program also includes processes and controls to assess the cybersecurity risk associated with third-party vendors and partners. Following an initial assessment of the level of enterprise risk potentially posed by use of the third-party, the vendor is then subject to further risk-based assessments, the level of which depends upon the assigned risk value of the service being provided, which may include the completion of security questionnaires and the provision of independent security certifications.

On a bi-annual schedule, we use an external firm to assess our cybersecurity risk management program using the Capability Maturity Model Integration (CMMI) process and behavioral model. In addition, elements of the program are subject to Service Organization Control Type 2 (SOC 2) and ISO 27001 audits by a third party.

While we have not identified any cybersecurity threats that have materially affected or that we believe are reasonably likely to materially affect our business strategy, results of operations, or financial condition, our cybersecurity risk management program cannot eliminate all risks from cybersecurity threats or provide assurances that we have not experienced an undetected material cybersecurity incident or will not experience a material cybersecurity incident in the future. For more information about these risks, please see "Risk Factors - A failure in or breach of our operational or security systems, networks or infrastructure, or those of third-party vendors with which we do business, including as a result of cyber-attacks and other data security incidents, could have a material adverse effect on our business."

Cybersecurity Risk Governance

Role of our Board of Directors

Our Board of Directors has primary responsibility for the oversight of our enterprise-wide risk management and exercises its oversight function in respect of cybersecurity risk through two of its committees. Specifically, our Board Audit and Compliance Committee has oversight responsibility for the Company's enterprise risk management process, including the Company's programs to identify, manage, respond to and mitigate the Company's IT risks, including risks related to cybersecurity, artificial intelligence, privacy, critical infrastructure assets and disaster recovery, as well as identifying the potential likelihood, frequency and severity of cyberattacks and breaches. Our Board Quality Committee has oversight responsibility for overall data and technology strategy. Each committee reports to the full Board on a regular basis.

The oversight responsibility of our Board of Directors and its committees is facilitated through quarterly management-reporting processes designed to provide visibility to the Board and its committees on the processes for the identification, assessment, prioritization and management of critical risks and management's risk mitigation strategies. Such reporting includes providing regular updates to the Board Audit and Compliance Committee regarding the evolving cybersecurity threat environment, updates to our cybersecurity risk management program to address and mitigate such threats and providing quarterly reports to the Quality Committee on the Company's execution of its data and technology strategy. Management also escalates significant cybersecurity events to the Audit and Compliance Committee and the Board on a real time basis, as appropriate. Further, our Board also receives enterprise-wide risk management reports, which include significant cybersecurity risks, from our risk department multiple times per year. In addition, our Board and management have conducted tabletop cybersecurity crisis simulation exercises.

Role of Management

While our Board of Directors has overall responsibility for the oversight of our enterprise-wide risk management, of which cybersecurity risk management is one component, our management team is responsible for day-to-day risk management, including the implementation of our cybersecurity risk management program.

Our enterprise risk management committee, which operates within our risk department and comprises certain of our senior leaders including operations, finance, information technology, government relations, legal, marketing, health plan leadership, health operations, and communications meets at least four times per year to discuss significant risks to the Company identified by our enterprise-wide risk management process, including cybersecurity risks identified by our cybersecurity risk management program. The enterprise risk management committee also discusses the steps management has taken to identify, monitor, assess, and control or avoid such exposures and reviews performance measures against the Company's risk appetite and tolerance and provides recommendations of corrective action where appropriate.

At an operational level, our Chief Security and Privacy Officer (CSPO) and our Chief Information Security Officer (CISO) lead the management of our cybersecurity risk management program.

Our CSPO is responsible for overseeing the day-to-day operation of our cybersecurity risk management program, including reporting systemic cybersecurity risk matters to our senior management and, as appropriate, to the Board of Directors. Our CISO oversees our cybersecurity operations, including all identity and access management functions, cybersecurity incident response operations and the effective operation of the suite of security tools we employ. The CISO and CSPO track key cybersecurity metrics across the enterprise, including metrics related to threat and vulnerability management, cybersecurity incidents and asset management and protection. Our CISO reports the status and efficacy of our cybersecurity operations to our senior management and, as appropriate, to the Board of Directors.

Using our cybersecurity incident response plan, each incident receives a severity rating using a scale approved by management. Based on that rating, we employ an escalation matrix that provides appropriate notifications to management, as well as to our Board of Directors.

The cybersecurity incident response plan is integrated into our overall crisis management plan and process, for which our CSPO has ultimate day-to-day responsibility. Our CSPO and CISO share joint responsibility for providing regular cybersecurity updates to our Audit and Compliance Committee, including updates on our key technology initiatives, including those involving cybersecurity, and their status.

Our CSPO, CISO and other dedicated cybersecurity risk management personnel are certified and experienced information systems security professionals and information security managers. Our CSPO has over 30 years of experience in information security having 16 years of experience leading information security programs and obtained the Certified Information Systems Security Professional certification from ISC2. Our CISO, who has over 34 years of experience in cyber operations, communications, crisis management and command and control, holds multiple graduate degrees, obtained the Certified Information Systems Security Professional certification from ISC2 and holds the Qualified Technical Expert certification from the Digital Director's Network.

We own our corporate office headquarters buildings and land located in St. Louis, Missouri, which are used by each of our reportable segments. We generally lease space in the states where our health plans, specialty companies and claims processing facilities operate. We are required by various insurance and regulatory authorities to have offices in the service areas where we provide benefits.

In connection with the adoption of a more modern, flexible work environment, we undertook a real estate optimization initiative in 2022 to evaluate future real estate needs and downsize our real estate footprint for owned and leased properties. As a result of this evaluation, we substantially changed the use of, or abandoned, various properties and recognized impairment charges for the years ended December 31, 2023 and 2022. No significant impairment charges were recognized related to the real estate optimization initiative in the year ended December 31, 2024.

We believe our current facilities are adequate to meet our operational needs for the foreseeable future.

A description of the legal proceedings to which we and our subsidiaries are a party is contained in Note 17. Contingencies to the consolidated financial statements included in Part II of this Annual Report on Form 10-K, and is incorporated herein by reference.

Not applicable.

PART II

Market for Common Stock

Our common stock has been traded and quoted on the New York Stock Exchange (NYSE) under the symbol "CNC" since October 16, 2003.

Stockholders

As of February 14, 2025, there were 980 holders of record of our common stock.

Issuer Purchases of Equity Securities

In November 2005, the Company's Board of Directors announced a stock repurchase program, which was most recently increased in December 2023. The Company is authorized to repurchase up to $10.0 billion, inclusive of past authorizations, of which $2.2 billion remains as of December 31, 2024.

The stock repurchase program is effected primarily through regular open-market purchases (which may include repurchase plans designed to comply with Rule 10b5-1 and accelerated share repurchases), the amounts and timing of which are subject to our discretion as part of our capital allocation strategy and may be based upon general market conditions and the prevailing price and trading volumes of our common stock. No duration has been placed on the repurchase program. We reserve the right to discontinue the repurchase program at any time.

The following table discloses purchases of our common stock for the quarter ended December 31, 2024.

Stock Performance Graph

The graph below compares the cumulative total stockholder return on our common stock for the period from December 31, 2019 to December 31, 2024, with the cumulative total return of the NYSE Composite Index, the Standard & Poor's (S&P) Health Care Index and the S&P 500 over the same period. S&P 500 is included because our common stock is within the index. The graph assumes an investment of $100 on December 31, 2019 in our common stock (at the last reported sale price on such day), the NYSE Composite Index, the S&P Health Care Index and the S&P 500 and assumes the reinvestment of any dividends.

In accordance with the rules of the Securities and Exchange Commission (SEC), the information contained in the Stock Performance Graph on this page shall not be deemed to be "soliciting material," or to be "filed" with the SEC or subject to the SEC's Regulation 14A or to the liabilities of Section 18 of the Exchange Act, except to the extent that Centene specifically requests that the information be treated as soliciting material or specifically incorporates it by reference into a document filed under the Securities Act or the Exchange Act.

The following discussion of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and the related notes included elsewhere in this filing. The discussion contains forward-looking statements that involve known and unknown risks and uncertainties, including those set forth under Part I, Item 1A."Risk Factors" of this Form 10-K. The following discussion and analysis does not include certain items related to the year ended December 31, 2022, including year-to-year comparisons between the year ended December 31, 2023 and the year ended December 31, 2022. For a comparison of our results of operations for the fiscal years ended December 31, 2023 and December 31, 2022, see Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations of our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 20, 2024.

EXECUTIVE OVERVIEW

We are 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.

We provide access to high-quality healthcare, innovative programs and a wide range of health solutions that help families and individuals get well, stay well and be well. Our uniquely local approach – with local brands and local teams who live in, care about and directly influence the communities they serve – is a key differentiator in our ability to provide access to quality care to our members. Centene treats the whole person, an approach that is delivered locally and backed by the scale of Centene's expertise, data and resources. Through this approach and our commitment to sustainable partnerships, we work with local community organizations to realize our mission of transforming the health of the communities we serve, one person at a time.

Our record of organic growth and strategic acquisitions have given us the size, scale and privilege of providing local high-quality and affordable health care to more than 28.6 million Americans. As of December 31, 2024, we were the largest Medicaid health insurer in the country, serving more than 13 million Medicaid recipients in 30 states. We were the largest Marketplace carrier, serving 4.4 million members across 29 states, served 1.1 million Medicare Advantage members across 37 states and were the largest stand-alone Medicare Prescription Drug Plan (PDP) provider serving 6.9 million members in 50 states and the District of Columbia. Consistent with our strategy, we have reduced our Medicare Advantage footprint to 32 states as of January 1, 2025.

General

Our results of operations depend on our ability to manage expenses associated with health benefits (including estimated costs incurred) and selling, general and administrative (SG&A) costs. We measure operating performance based upon two key ratios. The health benefits ratio (HBR) represents medical costs as a percentage of premium revenues, excluding premium tax revenues that are separately billed, and reflects the direct relationship between the premiums received and the medical services provided. The SG&A expense ratio represents SG&A costs as a percentage of premium and service revenues, excluding premium taxes separately billed.

Divestitures

In November 2022, we divested our ownership stakes in our Spanish and Central European businesses and as a result recorded an impairment charge of $163 million, or $140 million after-tax. During 2023, we recognized an additional loss on sale of $13 million, or $10 million after-tax.

In December 2022, we completed the divestiture of Magellan Rx for $1.3 billion and recognized a gain of $269 million, or $99 million after-tax. During 2023, we recorded a reduction to the previously reported gain of $22 million, or $10 million after-tax, due to the finalization of working capital adjustments.

In January 2023, we sold Magellan Specialty Health for $646 million in cash and stock, including an estimated working capital adjustment, and recognized a gain of $79 million, or $63 million after-tax. During 2024, we recorded an additional gain on sale of $83 million for achievement of contingent consideration related to the sale and finalization of working capital adjustments.

In January 2023, we also completed the divestitures of Centurion and HealthSmart and recorded impairments of $259 million ($181 million after-tax) and $36 million ($27 million after-tax), respectively, in 2022. During 2023, we recognized a gain of $15 million, or $10 million after-tax, on the divestiture of the Centurion business reflecting additional proceeds for contingent consideration, partially offset by net working capital adjustments.

In June 2023, we completed the divestiture of our majority stake in Apixio and recognized a gain of $93 million, or $67 million after-tax.

In December 2023, we completed the divestiture of Operose Health Group (Operose Health) and recognized an impairment of $140 million, or $128 million after-tax.

In January 2024, we completed the divestiture of Circle Health Group (Circle Health) for $931 million. Upon closing the divestiture, we settled the foreign currency swap associated with the divestiture and recorded a corresponding gain of $20 million.

In October 2024, we completed the divestiture of Collaborative Health Systems (CHS) and recognized a pre-tax gain of $17 million, or $13 million after-tax.

The above-noted divestitures are drivers of certain year-over-year variances discussed throughout this section.

Regulatory Trends and Uncertainties

The United States government, policymakers and healthcare experts continue to discuss and debate various elements of the United States healthcare model. We remain focused on the promise of delivering access to high-quality, affordable healthcare to all of our members and believe we are well positioned to meet the needs of the changing healthcare landscape.

The American Rescue Plan Act (ARPA), enacted in March 2021, initially enhanced eligibility for the premium tax credit for enrollees in the Health Insurance Marketplace. The enhanced eligibility extended by the Inflation Reduction Act (IRA), enacted in August 2022, expires at the end of 2025. We continue to advocate for legislation and regulations aimed at leveraging Medicaid and the Health Insurance Marketplace to maintain health insurance coverage and affordability for consumers.

The IRA significantly changes Medicare PDPs in 2025, most notably by eliminating the coverage gap and capping members' annual out-of-pocket cost at $2,000 in order to provide more predictable and affordable prescription drug coverage for Medicare beneficiaries. The IRA changes effective for 2025 result in a meaningful shift in cost-sharing responsibilities between members, drug companies, CMS, and PDPs and will result in a significant increase in our premiums in consideration for our PDPs responsibility for a larger portion of total Part D benefit costs.

The COVID-19 pandemic impacted our business as it relates to Medicaid eligibility changes. From the onset of the public health emergency (PHE) through March 2023, our Medicaid membership increased by 3.6 million members (excluding new states North Carolina and Delaware and various state product expansions or managed care organization changes). Since March 31, 2023, redeterminations are the primary driver of our Medicaid membership decline. While some states may still be concluding the redetermination pro

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Market risk represents the risk of loss that may impact our financial condition due to adverse changes in financial market prices and rates. Our market risk exposure is primarily the result of fluctuations in interest rates.

INVESTMENTS AND DEBT

As of December 31, 2024, we had short-term investments of $2.6 billion and long-term investments of $18.8 billion, including restricted deposits of $1.4 billion. The short-term investments generally consist of highly liquid securities with maturities between three and 12 months. The long-term investments consist of municipal, corporate and U.S. Treasury securities, government-sponsored obligations, life insurance contracts, asset backed securities, equity securities and private equity investments and have maturities greater than one year. Private equity investments include direct investments in private equity securities as well as private equity funds. Restricted deposits consist of investments required by various state statutes to be deposited or pledged to state agencies. Due to the nature of the states' requirements, these investments are classified as long-term regardless of the contractual maturity date. Substantially all of our investments are subject to interest rate risk and will decrease in value if market rates increase. Assuming a hypothetical and immediate 1% increase in market interest rates at December 31, 2024, the fair value of our fixed income investments would decrease by approximately $665 million. Declines in interest rates over time will reduce our investment income.

For a discussion of the interest rate risk that our investments are subject to, see "Risk Factors - Our investment portfolio may suffer losses which could materially and adversely affect our results of operations or liquidity."

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors

Centene Corporation:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of Centene Corporation and subsidiaries (the Company) as of December 31, 2024 and 2023, the related consolidated statements of operations, comprehensive earnings (loss), stockholders' equity, and cash flows for each of the years in the three‑year period ended December 31, 2024, and the related notes (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the years in the three‑year period ended December 31, 2024, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission, and our report dated February 18, 2025 expressed an unqualified opinion on the effectiveness of the Company's internal control over financial reporting.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the Audit and Compliance Committee and that: (1) relate to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Evaluation of the estimated medical claims liability

As discussed in Note 2 to the consolidated financial statements, the Company's medical claims liability includes claims reported but not yet paid, estimates for claims incurred but not reported, and estimates for the costs necessary to process unpaid claims. As discussed in Note 8 to the consolidated financial statements, the balance at December 31, 2024 was $18,308 million.

We identified the evaluation of the estimated medical claims liability as a critical audit matter. The Company estimates its medical claims liability using actuarial methods. Specialized skills were required to evaluate these actuarial methods, which include analyzing historical claims data in order to estimate the medical claims liability. The medical claims liability included an estimate for medical claims developing under moderately adverse conditions, which represents the risk of adverse deviation in the Company's actuarial methods of reserving, which required auditor judgment to evaluate.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls related to the critical audit matter. This included controls over the Company's process to evaluate the estimate of the medical claims liability. We involved actuarial professionals with specialized skills and knowledge who evaluated the actuarial methods used by the Company to estimate the medical claims liability. With the assistance of the actuarial professionals, we challenged the Company's estimate of the medical claims liability, including the effects of moderately adverse conditions, by developing an independent estimate for certain health plans using the Company's medical claims data, and relative range. We assessed the potential for management bias by evaluating the Company's position and movement within the actuarial professionals' relative range.

Evaluation of the estimated Affordable Care Act risk adjustment accruals

As discussed in Note 2 to the consolidated financial statements, the Affordable Care Act (ACA) established a permanent risk adjustment program. This program transfers funds from qualified individual and small group insurance plans with below average risk scores to those insurance plans with above average risk scores within each state. The final settlement of the December 31, 2024 ACA risk adjustment accruals is scheduled to be determined by the Centers for Medicare and Medicaid Services (CMS) in June 2025, based on data submitted by insurance companies through April 2025. As discussed in Note 9, the Company recorded an estimated asset and liability (the ACA risk adjustment accruals) of $1,434 million, and $1,605 million, respectively at December 31, 2024.

We identified the evaluation of the estimated ACA risk adjustment accruals as a critical audit matter. Specialized skills and a higher degree of auditor judgment were required to evaluate the Company's estimates. The Company's estimates are based on its analysis of member data, claims data, and projections of claims data expected to be submitted by the Company, and other insurance plans, to CMS for settlement.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls over the Company's process to develop the estimated ACA risk adjustment accruals. We involved actuarial professionals with specialized skills and knowledge who assisted in evaluating the Company's methodology used in estimating the ACA risk adjustment accruals for consistency with the federally developed risk adjustment methodology. Additionally, the actuarial professionals assisted in evaluating the projections of claims data utilized to estimate the ACA risk adjustment accruals, and assessed the methodologies utilized by the Company for consistency with industry practice. We assessed the Company's process to estimate the ACA risk adjustment accruals, in order to consider the potential for management bias, by performing a retrospective review of the prior period ACA risk adjustment accruals and assessing the consistency of those estimated balances with the subsequent settlement.

/s/ KPMG LLP

We hav

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None.

Evaluation of Disclosure Controls and Procedures - Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2024. The term "disclosure controls and procedures," as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company's management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of December 31, 2024, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective.

Management's Report on Internal Control Over Financial Reporting - Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control - Integrated Framework (2013), our management concluded that our internal control over financial reporting was effective at the reasonable assurance level as of December 31, 2024. Our management's assessment of the effectiveness of our internal control over financial reporting as of December 31, 2024, has been audited by KPMG LLP, an independent registered public accounting firm, as stated in their report which is included herein.

Changes in Internal Control Over Financial Reporting - No change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the year ended December 31, 2024 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors

Centene Corporation:

Opinion on Internal Control Over Financial Reporting

We have audited Centene Corporation and subsidiaries' (the Company) internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2024 and 2023, the related consolidated statements of operations, comprehensive earnings (loss), stockholders' equity, and cash flows for each of the years in the three-year period ended December 31, 2024, and the related notes (collectively, the consolidated financial statements), and our report dated February 18, 2025 expressed an unqualified opinion on those consolidated financial statements.

Basis for Opinion

The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management's Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ KPMG LLP

St. Louis, Missouri

February 18, 2025

(a) None.

(b) During the three months ended December 31, 2024, no director or officer of the Company adopted or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) of Regulation S-K.

Not applicable

PART III

(a) Directors of the Registrant

Information concerning our directors will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Proposal One: Election of Directors." This portion of the Proxy Statement is incorporated herein by reference.

(b) Information about our Executive Officers

Pursuant to General Instruction G(3) to Form 10-K and the Instruction to Item 401 of Regulation S-K, information regarding our executive officers is provided in Item 1 of Part I of this Annual Report on Form 10-K under the caption "Information about our Executive Officers."

Information concerning our executive officers' compliance with Section 16(a) of the Exchange Act will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Delinquent Section 16(a) Reports," if applicable.

(c) Corporate Governance

Information concerning certain corporate governance matters, including information concerning our audit committee financial expert and identification of our Audit and Compliance Committee, and our code of ethics will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Corporate Governance." These portions of our Proxy Statement are incorporated herein by reference.

(d) Insider Trading Policies and Procedures

The Company has adopted the Policy on Inside Information and Insider Trading attached as Exhibit 19.1 hereto, which governs the purchase, sale, and/or other dispositions of the Company's securities by directors, officers and employees, and by the Company itself, and is reasonably designed to promote compliance with insider trading laws, rules and regulations, and the NYSE listing standards.

Information concerning executive compensation will appear in our Proxy Statement for our 2025 Annual Meeting of Stockholders under "Executive Compensation." Information concerning Compensation and Talent Committee interlocks and insider participation will appear in the Proxy Statement for our 2025 Annual Meeting of Stockholders under "Compensation & Talent Committee Interlocks and Insider Participation." These portions of the Proxy Statement are incorporated herein by reference.

Information concerning the security ownership of certain beneficial owners and management and our equity compensation plans will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Security Ownership of Certain Beneficial Owners and Management" and "Equity Compensation Plan Information." These portions of the Proxy Statement are incorporated herein by reference.

Information concerning director independence, certain relationships and related transactions will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Corporate Governance," "Independence of Directors" and "Related Party Transactions." These portions of our Proxy Statement are incorporated herein by reference.

Our independent registered public accounting firm is KPMG LLP, St. Louis, MO. The Auditor Firm ID is 185.

Information concerning principal accountant fees and services will appear in our Proxy Statement for our 2025 annual meeting of stockholders under "Proposal Three: Ratification of Appointment of Independent Registered Public Accounting Firm." This portion of our Proxy Statement is incorporated herein by reference.

PART IV

(a)Financial Statements and Schedules

The following documents are filed under Item 8 of this report:

1. Financial Statements:

Report of Independent Registered Public Accounting Firm

Consolidated Balance Sheets as of December 31, 2024 and 2023

Consolidated Statements of Operations for the years ended December 31, 2024, 2023 and 2022

Consolidated Statements of Comprehensive Earnings (Loss) for the years ended December 31, 2024, 2023 and 2022

Consolidated Statements of Stockholders' Equity for the years ended December 31, 2024, 2023 and 2022

Consolidated Statements of Cash Flows for the years ended December 31, 2024, 2023 and 2022

Notes to Consolidated Financial Statements

2. Financial Statement Schedules:

None.

3. The exhibits listed in the accompanying Exhibit Index are filed or incorporated by reference as part of this filing.

EXHIBIT INDEX

None.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, as of February 18, 2025.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities as indicated, as of February 18, 2025.