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

	For the transition period from             to

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•	our ability to accurately predict and effectively manage health benefits and other operating expenses and reserves;

•	competition;

•	membership and revenue declines or unexpected trends;

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

•	increased healthcare costs;

•	changes in economic, political or market conditions;

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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 Affordable Care Act (ACA) and any regulations enacted thereunder that may result from changing political conditions or judicial actions, including the ultimate outcome of the District Court decision in “Texas v. United States of America” regarding the constitutionality of the ACA;

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

•	our ability to adequately price products on federally facilitated and state-based Health Insurance Marketplaces;

•	tax matters;

•	disasters or major epidemics;

•	the outcome of legal and regulatory proceedings;

•	changes in expected contract start dates;

•	provider, state, federal and other contract changes and timing of regulatory approval of contracts;

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

•	the difficulty of predicting the timing or outcome of pending or future litigation or government investigations;

•	challenges to our contract awards;

•	cyber-attacks or other privacy or data security incidents;

•	the possibility that the expected synergies and value creation from acquired businesses, including, without limitation, the Fidelis Care Acquisition, will not be realized, or will not be realized within the expected time period;

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•	the exertion of management’s time and our resources, and other expenses incurred and business changes required in connection with complying with the undertakings in connection with any regulatory, governmental or third party consents or approvals for acquisitions, including the Fidelis Care Acquisition;

•	disruption caused by significant completed and pending acquisitions, including, among others, the Fidelis Care Acquisition, making it more difficult to maintain business and operational relationships;

•	the risk that unexpected costs will be incurred in connection with the completion and/or integration of acquisition transactions, including, among others, the Fidelis Care Acquisition;

•	changes in expected closing dates, estimated purchase price and accretion for acquisitions;

•	the risk that acquired businesses, including Fidelis Care, will not be integrated successfully;

•	the risk that, following the Fidelis Care Acquisition, we may not be able to effectively manage our expanded operations;

•	restrictions and limitations in connection with our indebtedness;

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

•	availability of debt and equity financing, on terms that are favorable to us;

•	inflation; and

•	foreign currency fluctuations.

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(1)	Other adjustments include the following items:

(2)	The income tax effects of adjustments are based on the effective income tax rates applicable to adjusted (non-GAAP) results. There is no additional income tax effect from income tax reform.

(3)	Amortization of acquired intangible assets per diluted share is net of an income tax benefit of $0.12, $0.16, and $0.16 for the years ended December 31, 2018, 2017 and 2016, respectively.

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(4)	Acquisition related expenses per diluted share are net of an income tax benefit of $0.25, $0.02 and $0.22 for the years ended December 31, 2018, 2017 and 2016, respectively.

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Expertise in Government Sponsored Programs. For more than 30 years, we have developed a specialized government services expertise that has helped us establish and maintain relationships with members, providers and state governments. We have implemented programs developed to achieve savings for state governments and improve health outcomes and quality of care for members. We work to assist the states in which we operate in addressing the operating challenges they face.

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Quality and Innovation. Our innovative medical management programs focus on improving quality of care in areas that have the greatest impact on our members. We concentrate on serving the whole person to impact outcomes and costs. We recognize the importance of member-focused delivery of quality managed care services and have developed award winning education and outreach programs including the CentAccount program, On.Demand Diabetes, Start Smart For Your Baby, and MemberConnections. It is our objective to provide access to the highest quality of care for our members. As a validation of that objective, we pursue accreditation by independent organizations that have been established to promote healthcare quality. We seek the National Committee for Quality Assurance (NCQA) and the Utilization Review Accreditation Commission (URAC) Health Plan Accreditation in eligible states.

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Innovative Technology and Scalable Systems. The ability to access data and translate it into meaningful information is essential to operating across a multi-state service area in a cost-effective manner. Our centralized information systems support our core processing functions under a set of integrated databases and are designed to be both replicable and scalable to accommodate organic growth and growth from acquisitions. We continue to enhance our systems in order to leverage the platform we have developed for our existing states for configuration into new states or health plan acquisitions. We believe our predictive modeling technology enables our medical management operations to proactively case and disease manage specific high risk members. It can recommend medical care opportunities using a mix of company defined algorithms and evidence based medical guidelines. Interventions are determined by the clinical indicators, the ability to improve health outcomes, and the risk profile of members. We believe our integrated approach helps to assure that consistent sources of claim and member information are provided across all of our health plans. Our membership and claims processing system is capable of expanding to support additional members in an efficient manner.

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Financial Strength and Scale. We are a large healthcare enterprise with over $60 billion in revenue and $1.2 billion in operating cash flow in 2018. Our strong historical operating performance, size, and scale allow us to continue to grow, diversify and invest in our businesses through strategic acquisitions and investments in technology and other resources that support our business, allowing us to navigate the changing healthcare landscape. We are the leader in the four largest Medicaid states. We seek to continue to increase our Medicaid, Medicare and Health Insurance Marketplace membership through alliances with key providers, outreach efforts, development and implementation of community-specific products and acquisitions. For example, in 2018, we began providing managed care services to Illinois beneficiaries under a state-wide contract through our subsidiary, IlliniCare Health. In 2018 and 2019, we expanded our Health Insurance Marketplace and Medicare footprints in several existing markets.

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Diversified Business Lines. We continue to broaden our service offerings to address areas that we believe have been traditionally under-served by Medicaid managed care organizations. In addition to our Medicaid and Medicaid-related managed care services, our service offerings include behavioral health management, care management software, correctional healthcare services, dental benefits management, commercial programs, home-based primary care services, life and health management, vision benefits management, pharmacy benefits management, specialty pharmacy and telehealth services. With the acquisition of Health Net Inc. (Health Net), we further broadened our service offerings in 2016, which added government-sponsored care under its federal contracts with the Department of Defense (DoD), as well as Medicare Advantage, and small and large group commercial business lines. Through the utilization of a multi-business line approach, we are able to improve the quality of care, improve outcomes, diversify our revenues and help control our medical costs. In 2018, we served managed care members in 29 states through approximately 340 product solutions. We are constantly evaluating new opportunities for expansion both domestically and abroad.

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Localized Approach with Centralized Support Infrastructure. We take a localized approach to managing our subsidiaries, including provider and member services. This approach enables us to facilitate access by our members to high quality, culturally sensitive healthcare services. Our systems and procedures have been designed to address these community-specific challenges through outreach, education, transportation and other member support activities. For example, our community outreach programs work with our members and their communities to promote health and self-improvement through education on how best to access care. We complement this localized approach with a centralized infrastructure of support functions such as finance, information systems and claims processing, which allows us to minimize selling, general and administrative (SG&A) expenses and to integrate and realize synergies from acquisitions. We believe this combined approach allows us to efficiently integrate new business opportunities in both Managed Care and Specialty Services while maintaining our local accountability and improved access.

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Significant cost savings and budget predictability compared to state paid reimbursement for services. We bring experience relating to quality of care improvement methods, utilization management procedures, an efficient claims payment system, and provider performance reporting, as well as managers and staff experienced in using these key elements to improve the quality of and access to care. We generally receive a contracted premium on a per member basis and are responsible for the medical costs and, as a result, provide budget predictability.

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Data-driven approaches to balance cost and verify eligibility. We seek to ensure effective outreach procedures for new members, then educate them and ensure they receive needed services as quickly as possible. Our IT department has created mapping/translation programs for loading membership and linking membership eligibility status to all of Centene's subsystems. We utilize predictive modeling technology to proactively case and disease manage specific high risk members. In addition, we have developed Centelligence, our enterprise data warehouse system to provide a seamless flow of data across our organization, enabling providers and case managers to access information, apply analytical insight and make informed decisions.

•	Establishment of realistic and meaningful expectations for quality deliverables. We have collaborated with state agencies in redefining benefits, eligibility requirements and provider fee schedules with the goal of maximizing the number of individuals covered through Medicaid.

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Managed care expertise in government subsidized programs. Our expertise in Medicaid has helped us establish and maintain strong relationships with our constituent communities of members, providers and state governments. We provide access to services through local providers and staff that focus on the cultural norms of their individual communities. To that end, systems and procedures have been designed to address community-specific challenges through outreach, education, transportation and other member support activities.

•	Improved quality and medical outcomes. We have implemented programs to enhance the ability of providers to improve the quality of healthcare delivered to our members. This is demonstrated through health plan accreditations and program awards.

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•	Timely payment of provider claims. We are committed to ensuring that our information systems and claims payment systems meet or exceed state requirements. We continuously endeavor to update our systems and processes to improve the timeliness of our provider payments.

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Provider outreach and programs. Our health plans have adopted a physician-driven approach where network providers are actively engaged in developing and implementing healthcare delivery policies and strategies. We prepare provider comparisons on a severity adjusted basis. This approach is designed to eliminate unnecessary costs, improve services to members and simplify the administrative burdens placed on providers.

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Care management for complex populations. Through our experience with Medicaid populations and long-time presence in states with experience in long-term care for children and adolescents in the foster care system, we have developed care management, service coordination and crisis prevention/response programs that increase opportunities for successful outcomes for members. This experience has led to partnerships with specialized networks and community advocates as states transition to managed care programs for vulnerable and complex populations.

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Responsible collection and dissemination of utilization data. We gather utilization data from multiple sources, allowing for an integrated view of our members' utilization of services. These sources include medical, vision and behavioral health claims and encounter data, pharmacy data, dental vendor claims and authorization data from the authorization and case management system utilized by us to coordinate care.

•	Timely and accurate reporting. Our information systems have reporting capabilities which have been instrumental in identifying the need for new and/or improved healthcare and specialty programs. For state agencies, our reporting capability is important in demonstrating an auditable program.

•	Fraud, waste and abuse prevention. We have several systems in place to help identify, detect and investigate potential fraud, waste, and abuse, including pre and post payment review software. We collaborate with state and federal agencies and assist with investigation requests. We use nationally recognized standards to benchmark our processes.

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Start Smart For Your Baby, or Start Smart, is our award winning prenatal and infant health program designed to increase the percentage of pregnant women receiving early prenatal care, reduce the incidence of low-birth-weight and pre-term babies, identify high-risk pregnancies, increase participation in the federal Women, Infant and Children program, prevent hospital admissions in the first year of life and increase well-child visits.

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•	Connections Plus is a cell phone program developed for high-risk members who have limited or no safe and reliable access to telephone. This program seeks to eliminate lack of safe, reliable access to a telephone as a barrier to coordinating care, thus reducing avoidable adverse events such as inappropriate emergency department utilization, hospital admissions and premature birth.

•	MemberConnections is a community face-to-face outreach and education program designed to create a link between the member and the provider and help identify potential challenges or risk elements to a member's health, such as nutritional challenges and health education shortcomings.

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The ScriptAssist for Hepatitis C Adherence Program seeks to empower patients towards Hepatitis C virus treatment success through a series of telephonic interventions. Goals of the program include preventing premature treatment discontinuation due to medication side effects and access to therapy. Through its family of companies, Envolve clinicians and AcariaHealth patient care coordinators collaborate throughout a patient’s treatment course to ensure appropriate therapy management and regimen access.

•	Health Initiatives for Children is aimed at educating child members on a variety of health topics. In order to empower and educate children, we have partnered with a nationally recognized children's author to develop our own children's book series on topics such as obesity prevention and healthy eating, asthma, diabetes, foster care, the ills of smoking, anti-bullying and heart health.

•	Health Initiatives for Teens is aimed at empowering, educating and reinforcing life skills with our teenage members. We have developed an educational series that addresses health issues, dealing with chronic diseases including diabetes and asthma, as well as teen pregnancy.

•	Living Well with Sickle Cell is our innovative program that assists with coordination of care for our sickle cell members. Our program ensures that sickle cell members have established a medical home and work on strategies to reduce unnecessary emergency department visits through proper treatment to control symptoms and chronic complications, as well as promote self-management.

•	My Route for Health is our adult educational series used with our case management and disease management programs. The topics of this series include how to manage asthma, Chronic Obstructive Pulmonary Disease (COPD), diabetes, heart disease and HIV.

•	The Diabetes Management Program is a robust holistic program designed to improve the quality of life for our members living with diabetes. The program employs advanced analytics to identify members and provide individualized diabetes-related education and health assessments, support with self-management, and assistance accessing care.

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On.Demand Diabetes is a diabetes management support product designed to eliminate diabetic supply waste while increasing compliance and improving health outcomes for members with diabetes. On.Demand provides cellular-enabled blood glucose meters and test strips to the testing diabetic population. On.Demand automatically monitors all member tests and provides an appropriate level of intervention in the event of dangerous glucose readings or member non-compliance. Additionally, On.Demand’s proprietary algorithm analyzes each member’s testing patterns and automatically replenishes testing supplies to ensure there are no gaps in the member’s ability to effectively monitor his or her condition.

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Community Health Record, our patient-centric electronic database, collects patient demographic data, clinician visit records, dispensed medications, vital sign history, lab results, allergy charts, and immunization data. Providers can directly input additional or updated patient data and documentation into the database. All information is accessible anywhere, anytime to all authorized users, including health plan staff, greatly facilitating coordinated care among providers.

•	The CentAccount Program offers members financial incentives for performing certain healthy behaviors. The incentives are delivered through a restricted-use prepaid debit card. This incentive-based approach effectively increases the utilization of preventive services while strengthening the relationships between members and their primary care providers.

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The Asthma Management Program integrates a hands-on approach with a flexible outreach methodology that can be customized to suit different age groups and populations affected by asthma. We provide proactive identification of members, stratification into appropriate levels of intervention including home visits, culturally sensitive education, and robust outcome reporting. The program also includes aggressive care coordination to ensure patients have basic services such as transportation to the doctor, electricity to power the nebulizer, and a clean, safe home environment.

•	Fluvention is an outreach program aimed at educating members on preventing the transmission of the influenza virus by encouraging members to get the seasonal influenza vaccines and take everyday precautions to prevent illness.

•	Preventive Care Programs are designed to educate our members on the benefits of Early and Periodic Screening, Diagnosis and Treatment, or EPSDT, services. We have a systematic program of communicating, tracking, outreach, reporting and follow-through that promotes state EPSDT programs.

•	Readmission Reduction Program utilizes a proprietary scoring methodology to evaluate members' risks on preventable readmissions. Members with higher risk scores are identified at the point of admission to an acute care setting, then concurrently managed during the in-patient stay, and followed up with post discharge outreach to provide effective transition of care.

•	Outcomes Improvement Central (OIC) is a highly collaborative initiative that empowers partners across the organization to develop evidence-based clinical programs to promote best practice information sharing, and to establish measurable outcomes for clinical studies. The OIC also serves as a repository of enterprise pilots and programs intended to improve the member's health outcomes.

•	Promotores Health Network (PHN) is a volunteer-driven community health network designed to improve the community's health through health education specific to health conditions impacting their community and providing guidance and linkage to healthcare services and local resources. PHN provides face-to-face education to members where they live, shop, worship and congregate.

•	myStrength ("The health club for your mind") is a web and mobile self-help resource to manage depression, anxiety, substance use, and chronic pain. myStrength empowers members to be active participants in their journey to becoming and staying mentally and physically healthy.

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OpiEnd is a clinical program designed to identify members at risk for an opioid abuse diagnosis based on a series of critical social and clinical indicators called the Opioid Risk Classification Algorithm (ORCA). Providers will leverage this risk score to flag members for case management and other appropriate interventions. High risk members identified by ORCA will receive educational outreach to provide evidenced-based resources to support pain addiction.

•	Under our fee-for-service contracts with providers, we pay a negotiated fee for covered services. This model is characterized as having no financial risk for the provider.

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Under our capitated contracts, providers can be paid a set amount for their services as outlined in their respective provider agreements. A provider group's financial instability or failure to pay secondary providers for services rendered could lead secondary providers to demand payment from us, even though we have made our regular capitated payments to the provider group. Depending on state law and the regulatory environment, it may be necessary for us to pay such claims.

•	Under value-based arrangements, providers are paid under a capitated or fee-for-service arrangement. The arrangement, however, contains provisions for additional payments to the providers or reimbursement from the providers based upon cost and quality measures.

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Provider Engagement Performance Tools and Processes lead to measurable improvements in quality and health outcomes, healthcare costs, and member satisfaction. High quality and performance levels are important as our key customers are increasingly using performance-based measures to select and pay health plans. We have rolled out a suite of network performance tools for use by physicians and other providers which monitor the outcomes and care gaps of their individual patient panel. Our specialists meet with the providers to review their performance issues and recommend strategies for improvements in their patient panel outcomes. Our tools also allow the physician and others to see where they stand within their value-based contract.

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Integrated Care Model is member-centric and managed by one care manager assigned to a member who looks at the total care for the member in a holistic manner. This single care manager will coordinate all care for that member including behavioral health, medical health, and home-based primary care in accordance with an individualized, integrated care plan. This care manager also coordinates meetings with the member's integrated care team to assess and alter the care plan as needed. This results in better outcomes and improvement in member satisfaction.

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Provider Portal provides claims and eligibility research, prior authorizations, member panels, care gaps, patient analytics, and provider analytics meant to drive provider engagement and better patient outcomes. Performance is supplied via a secure, user-friendly web-based provider portal. This is all provided through our suite of proprietary technology and abilities, including Interpreta and Casenet.

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•	use of nationally recognized InterQual or Milliman criteria to help ensure our members receive the right level of care in the most appropriate setting;

•	pre-authorized high-risk medication and services that are commonly over or inappropriately prescribed;

•	member education and the provision of appropriate and easily accessed urgent care services to help members avoid unnecessary and costly emergency department visits and improve their healthcare experience;

•	emphasis on care management and care coordination where clinicians, such as nurses and social workers who are employed to assist high-risk and other selected members with the coordination of healthcare services that meet their specific needs;

•	disease management for chronic illnesses, such as asthma and diabetes through a comprehensive, multidisciplinary and collaborative approach;

•	prenatal case management for women with high-risk pregnancies to help them deliver full-term, healthy infants; and

•	pharmacy treatment compliance programs driven by evidence-based clinical policies and focused on identifying the appropriate medication in the correct dose, delivered in an efficient format and utilized for the correct duration.

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Pharmacy Solutions. Envolve Pharmacy Solutions utilizes innovative, flexible solutions and customized care management. We offer traditional pharmacy benefits management as well as comprehensive specialized pharmacy benefit services through our specialty pharmacy, AcariaHealth. Our traditional pharmacy benefits management program offers progressive pharmacy benefits management services that are specifically designed to improve quality of care while containing costs. This is achieved through a low cost strategy that helps optimize clients' pharmacy benefits. Services that we provide include claims processing, pharmacy network management, benefit design consultation, drug utilization review, formulary and rebate management, online drug management tools, mail order pharmacy services, home delivery services, analytics and clinical consulting and patient and physician intervention. AcariaHealth offers specialized care management services for complex diseases and enhances the patient care offering through collaboration with providers and the capture of relevant data to measure patient outcomes.

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Health, Triage, Wellness, and Disease Management Services. Envolve PeopleCare brings together our nurse advice, telehealth, and health, wellness and disease guidance programs, allowing for a focus on individual health management through education and empowerment. Our life and health management programs specialize to encourage healthy behaviors, promote healthier workplaces, improve workforce and societal productivity and reduce healthcare costs. We offer telehealth services where members engage with customer service representatives and nursing staff who provide health education and triage advice and offer continuous access to health plan functions. Our staff can arrange for urgent pharmacy refills, transportation and qualified behavioral health professionals for crisis stabilization assessments.

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Vision and Dental Services. Envolve Benefit Options coordinates benefits beyond traditional medical benefits to offer fully integrated vision and dental health services. Our vision benefit program administers routine and medical surgical eye care benefits through a contracted national network of eye care providers. Through the dental benefit, we are dedicated to improving oral health through a contracted network of dental healthcare providers.

•	Care Management Software. Casenet is a provider of innovative population health and care management solutions that automate the clinical, administrative and technical components of care management programs, which are used by our health plans and available for sale to third parties.

•	Correctional Healthcare Services. Centurion provides comprehensive healthcare services to individuals incarcerated in state correctional facilities and detainees in detention facilities in various states. Centurion also provides staffing services to correctional systems and other government agencies.

•	Home-based Primary Care. U.S. Medical Management (USMM) provides home-based primary care services for high acuity populations and participates as an Accountable Care Organization (ACO) through the CMS Medicare Shared Savings Program.

•	Management Services. Envolve provides comprehensive management services for managed care organizations and partners with organizations to offer coordinated healthcare services and programs to their members. Envolve management services provide organizations with the strategies, people and processes necessary to provide value-based, affordable care and drive healthcare transformation.

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Federal Services. Health Net Federal Services (HNFS) has a Managed Support Contract in the West Region for the DoD TRICARE program. We provide administrative services to Military Health System eligible beneficiaries, which includes eligible active duty service members and their families, retired service members and their families, survivors of retired service members and qualified former spouses. Additionally, our wholly owned subsidiary, MHN Government Services, is party to a MFLC contract that was awarded by the DoD to implement, administer and monitor the non-medical counseling MFLC program.

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•	Community Medical Group (CMG). CMG provides clinical healthcare encompassing primary care, access to certain specialty services, and a suite of social and other support services from its medical centers and offices in south Florida through an at-risk primary care provider model through its providers in Florida, focusing on clinical and social care to at-risk beneficiaries.

•	Interpreta, Inc. Interpreta uses its analytics engine to provide real-time insights to providers, care managers, and payers in the areas of member prioritization, quality management, and risk adjustment. Interpreta's solutions are used by our health plans and available for sale to third parties.

•	written standards of conduct;

•	designation of compliance officers and compliance committees;

•	effective training and education;

•	effective lines for reporting and communication;

•	enforcement of standards through well-publicized disciplinary guidelines and actions;

•	internal monitoring and auditing; and

•	prompt response to detected offenses and development of corrective action plans.

•	Medicaid Managed Care Organizations that focus on providing healthcare services to Medicaid recipients. These organizations consist of national and regional organizations, as well as not-for-profits and organizations that operate in a small geographic location and are owned by providers, primarily hospitals.

•	National and Regional Commercial Managed Care Organizations that have Medicaid and Medicare members in addition to members in private commercial plans. Some of these organizations offer a range of specialty services including pharmacy benefits management, behavioral health management, health management, and nurse triage call support centers.

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•	Primary Care Case Management Programs that are established by the states through contracts with primary care providers. Under these programs, physicians provide primary care services to Medicaid recipients, as well as limited medical management oversight.

•	Accountable Care Organizations that consist of groups of doctors, hospitals, and other healthcare providers, who come together to provide coordinated high quality care to their patients.

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•	premium taxes or similar assessments imposed on us;

•	stringent prompt payment laws requiring us to pay claims within a specified period of time;

•	disclosure requirements regarding provider fee schedules and coding procedures; and

•	programs to monitor and supervise the activities and financial solvency of provider groups.

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•	the diversion of management’s attention from ongoing business concerns and performance shortfalls as a result of the devotion of management’s attention to the integration;

•	managing a larger combined company;

•	maintaining employee morale and retaining key management and other employees;

•	the possibility of faulty assumptions underlying expectations regarding the integration process;

•	retaining existing business and operational relationships and attracting new business and operational relationships;

•	consolidating corporate and administrative infrastructures and eliminating duplicative operations;

•	coordinating geographically separate organizations;

•	unanticipated issues in integrating information technology, communications and other systems;

•	unanticipated changes in federal or state laws or regulations, including the ACA and any regulations enacted thereunder;

•	unforeseen expenses or delays associated with the acquisition and/or integration; and

•	decreases in premiums paid under government sponsored healthcare programs by any state in which we operate.

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•	Year-end managed care membership of 14.0 million, an increase of 1.8 million members, or 15% over 2017.

•	Total revenues of $60.1 billion, representing 24% growth year-over-year.

•	HBR of 85.9% for 2018, compared to 87.3% for 2017.

•	SG&A expense ratio of 10.7% for 2018, compared to 9.7% for 2017.

•	Adjusted SG&A expense ratio of 10.0% for 2018, compared to 9.5% for 2017.

•	Diluted EPS of $2.26 for 2018, compared to $2.34 for 2017.

•	Adjusted Diluted EPS of $3.54 for 2018, compared to $2.52 for 2017.

•	Operating cash flows of $1.2 billion, or 1.4 times net earnings, for 2018.

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(1)	Other adjustments include the following items:

•	2018 - the impact of retroactive changes to the California minimum MLR of $30 million or $0.06 per diluted share, net of an income tax benefit of $0.02; and

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2017 - (a) the Penn Treaty assessment expense of $56 million or $0.10 per diluted share, net of an income tax benefit of $0.06; (b) the cost sharing reduction (CSR) expense of $22 million or $0.04 per diluted share, net of an income tax benefit of $0.02; (c) the charitable contribution commitment of $40 million or $0.07 per diluted share, net of an income tax benefit of $0.05, and (d) the benefit associated with income tax reform of $125 million or $0.35 per diluted share.

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During the year ended December 31, 2018, we received 2014-2017 cost reconciliation information related to the California Medicaid in-home support services (IHSS) program, which ended December 31, 2017. As a result, our 2018 results include an estimated pre-tax benefit of $140 million related to the IHSS program reconciliation. The 2014-2016 reconciliation is expected to be finalized by early 2019, with the final 2017 reconciliation to follow.

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On September 30, 2018, our contract to provide health care coordination services to the U.S. Department of Veterans Affairs under the Patient-Centered Community Care and Veterans Choice Programs expired. In connection with the conclusion of the contract, during the year ended December 31, 2018, we recorded a pre-tax charge of $110 million for negotiated settlements and severance costs. We will continue to provide close out and transition services through 2021.

•	During the year ended December 31, 2018, we recorded pre-tax expense of $30 million associated with a contribution commitment to our charitable foundation.

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Arizona. In October 2018, our Arizona subsidiary, Health Net Access, began providing physical and behavioral health care services under a new integrated contract through the Arizona Health Care Cost Containment System Complete Care program in the Central region and the Southern region. In January 2017, we continued our participation as a qualified health plan issuer in the Arizona Health Insurance Marketplace and exited the Health Net preferred provider organization offerings in Arizona.

•	Arkansas. In February 2018, our Arkansas subsidiary, Arkansas Total Care, began managing a Medicaid special needs population comprised of people with high behavioral health needs and individuals with developmental/intellectual disabilities. Arkansas Total Care is expected to assume full-risk on this population beginning in March 2019.

•	CMG. In March 2018, we completed the acquisition of CMG, an at-risk primary care provider serving Medicaid, Medicare Advantage, and Health Insurance Marketplace patients in Miami-Dade County, Florida.

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Correctional. In December 2018, Centurion began operating under a new contract to provide comprehensive healthcare services to detainees of Volusia County detention facilities located near Daytona, Florida. In April 2018, we completed the acquisition of MHM, a national provider of healthcare and staffing services to correctional systems and other government agencies. Under the terms of the agreement, Centene also acquired the remaining 49% ownership of Centurion, the correctional healthcare services joint venture between Centene and MHM. In June 2017, Centurion began operating under an expanded contract to provide correctional healthcare services for the Florida Department of Corrections in South Florida.

•	Fidelis Care. In July 2018, we completed the acquisition of substantially all of the assets of Fidelis Care for $3.6 billion of cash consideration, making Fidelis Care Centene's health plan in New York State.

•	Health Insurance Marketplace. In January 2018, we expanded our offerings in the 2018 Health Insurance Marketplace. We entered Kansas, Missouri and Nevada, and expanded our footprint in the following six existing markets: Florida, Georgia, Indiana, Ohio, Texas, and Washington. In January 2017, we added over 500,000 new members across our Health Insurance Marketplace service areas.

•	Health Net Federal Services. In January 2018, our subsidiary, Health Net Federal Services, began operating under the TRICARE West Region contract to provide administrative services to Military Health System eligible beneficiaries.

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Illinois. In January 2018, our Illinois subsidiary, IlliniCare Health, began operating under a state-wide contract for the Medicaid Managed Care Program. Implementation dates varied by region and the contract was fully implemented statewide in April 2018. The new contract will include children who are in need through the Department of Children and Family Services/Youth in Care by the Illinois Department of Healthcare and Family Services and Foster Care. These additional products are expected to be implemented in 2019.

•	Interpreta. In March 2018, we acquired an additional 61% ownership in Interpreta, a clinical and genomics data analytics business, bringing our total ownership to 80%.

•	Maryland. In July 2017, our specialty solutions subsidiary, Envolve, Inc., began providing health plan management services for Medicaid operations in Maryland.

•	Medicare. In January 2018, we expanded our offerings in Medicare. We entered Arkansas, Indiana, Kansas, Louisiana, Missouri, Pennsylvania, South Carolina, and Washington and expanded our footprint in Ohio.

•	Missouri. In May 2017, our Missouri subsidiary, Home State Health, began providing managed care services to MO HealthNet Managed Care beneficiaries under an expanded statewide contract.

•	Nebraska. In January 2017, our Nebraska subsidiary, Nebraska Total Care, began operating under a contract with the Nebraska Department of Health and Human Services' Division of Medicaid and Long-Term Care as one of three managed care organizations to administer its new Heritage Health Program for Medicaid, ABD, CHIP, Foster Care and LTSS enrollees.

•	Nevada. In July 2017, our Nevada subsidiary, SilverSummit Healthplan, began serving Medicaid recipients enrolled in Nevada's Medicaid managed care program.

•	Pennsylvania. In January 2018, our Pennsylvania subsidiary, Pennsylvania Health & Wellness, began serving enrollees in the Community HealthChoices program. Contract commencement dates vary by zone and will be fully implemented statewide by January 2020.

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RxAdvance. In March 2018, we made a 25% equity method investment in RxAdvance, a full-service PBM, and expect to use its platform to improve health outcomes and reduce avoidable drug-impacted medical and administrative costs. This partnership includes both a customer relationship and a strategic investment in RxAdvance. As part of the initial transaction, Centene has certain rights to expand its equity investment in the future. In May 2018, we made an additional investment in RxAdvance, bringing the total ownership to 28%. In September 2018, we made an additional investment in convertible preferred stock. In 2018, we began moving our health plans onto the RxAdvance pharmacy platform, beginning with the transition of our Mississippi health plan in December 2018.

•	Washington. In January 2018, our Washington State subsidiary, Coordinated Care of Washington, began providing managed care services to Apple Health's Fully Integrated Managed Care beneficiaries in the North Central Region.

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•	In addition, we realized the full year benefit in 2017 of acquisitions, investments, and business commenced during 2016, including the March 2016 acquisition of Health Net for $6.0 billion, including the assumption of debt.

•	We were successful in reprocuring our contracts in Georgia, Indiana, and Mississippi. However, the Medicaid programs were expanded to include additional insurers, which has reduced our market share. In addition, we are no longer serving LTSS members in Arizona or Medicaid and correctional members in Massachusetts.

•	Beginning in January 2018, the State of California no longer includes costs for IHSS in its Medicaid contracts.

•	Effective October 2018, we no longer provide health care coordination services to veterans under the Patient-Centered Community Care and Veterans Choice Programs.

•	We expect to realize the full year benefit in 2019 of acquisitions, investments, and business commenced during 2018, as discussed above.

•	In February 2019, our North Carolina joint venture, Carolina Complete Health, was awarded a contract for the Medicaid Managed Care program. Under the agreement, Carolina Complete Health will provide Medicaid managed care services in Regions 3 and 5. Pending regulatory approval, the new three-year contract is effective February 1, 2020.

•	In February 2019, Centurion began operating under a new contract to provide comprehensive healthcare services to detainees of the Metropolitan Detention Center located in Albuquerque, New Mexico.

•	In January 2019, Centurion was notified by Arizona’s Department of Corrections of the state’s intent to award a contract to provide comprehensive healthcare services to inmates housed in Arizona’s state prison system. The contract is expected to commence July 1, 2019, subject to customary contract negotiation.

•	In January 2019, we expanded our offerings in the 2019 Health Insurance Marketplace. We entered North Carolina, Pennsylvania, South Carolina and Tennessee, and expanded our footprint in six existing markets: Florida, Georgia, Indiana, Kansas, Missouri and Texas.

•	In January 2019, our New Mexico subsidiary, Western Sky Community Care, began operating under a new statewide contract in New Mexico for the Centennial Care 2.0 Program.

•	In January 2019, our Pennsylvania subsidiary, Pennsylvania Health & Wellness, began serving enrollees in the Community HealthChoices program in the Southeast region as part of the statewide contract that is expected to be fully implemented by January 2020.

•	In January 2019, our Kansas subsidiary, Sunflower Health Plan, continued providing managed care services to KanCare beneficiaries statewide under a new contract.

•	In December 2018, our Spanish subsidiary, Primero Salud, acquired 89% of Torrejón Salud, a public-private partnership in the Community of Madrid.

•	In December 2018, our Florida subsidiary, Sunshine Health, began providing physical and behavioral health care services through Florida's Statewide Medicaid Managed Care Program under its new five year contract which was implemented for all 11 regions by February 2019.

•	In October 2018, CMS published updated Medicare Star quality ratings for the 2019 rating year. Our Star ratings returned to a 4.0 Star parent rating. The 2019 rating year will positively affect quality bonus payments for Medicare Advantage plans in 2020.

•	In July 2018, we announced a joint venture with Ascension to establish a Medicare Advantage plan. The plan is expected to be implemented in multiple geographic markets beginning in 2020.

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•	In July 2018, our subsidiary, Health Net Federal Services, was awarded the next generation Military & Family Life Counseling Program contract. The awarded contract is up to ten years, including multiple one-year option periods.

•	In July 2018, Centurion began operating under a contract to provide healthcare services for correctional facilities in Pima County, Arizona. In addition, Centurion's contracts for correctional facilities were reprocured in Florida, New Hampshire and Tennessee.

•	In May 2018, our Iowa subsidiary, Iowa Total Care, Inc., was selected to negotiate a new statewide contract for the IA Health Link Program. The contract is expected to commence on July 1, 2019.

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In the first quarter of 2018, Health Net of Arizona, Inc. notified the Arizona Department of Insurance of its decision to discontinue and non-renew all of its Employer Group plans for small and large business groups in Arizona beginning January 1, 2019. The effective date of coverage termination for existing groups is dependent on remaining renewals; however, coverage will no longer be provided to any group policyholders and/or members after December 31, 2019.

•	We were successful in reprocuring our contract in Washington. However, we expect market share to decrease as a result of the award.

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•	the Fidelis Care Acquisition; and

•	membership growth in our Health Insurance Marketplace service areas.

•	membership growth in our Health Insurance Marketplace service areas;

•	the commencement of health plan management services for Medicaid operations in Maryland;

•	an expanded statewide managed care contract in Missouri; and

•	the commencement of new managed care contracts in Nebraska and Nevada.

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•	a full year of the Health Net business in our 2017 results;

•	the impact of new programs in many of our states in 2016 and 2017;

•	higher business expansion costs;

•	additional expense recognized for our estimated share of the undiscounted guaranty association assessment resulting from the liquidation of Penn Treaty; and

•	higher variable compensation expenses based on the performance of the business in 2017.

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