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 health care costs;

•	changes in economic, political or market conditions;

•	changes in federal or state laws or regulations, including changes with respect to government health care programs as well as changes with respect to the Patient Protection and Affordable Care Act and the Health Care and Education Affordability Reconciliation Act and any regulations enacted thereunder that may result from changing political conditions;

•	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, and TRICARE);

•	challenges to our contract awards;

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

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the possibility that the expected synergies and value creation from acquired businesses, including, without limitation, the acquisition of Health Net, Inc., will not be realized, or will not be realized within the expected time period, including, but not limited to, as a result of conditions, terms, obligations or restrictions imposed by regulators in connection with their approval of, or consent to, the acquisition;

•	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 certain regulatory approvals;

•	disruption from the acquisition making it more difficult to maintain business and operational relationships;

•	the risk that unexpected costs will be incurred in connection with, among other things, the acquisition and/or the integration;

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

•	the risk that acquired businesses will not be integrated successfully;

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

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

•	inflation; and

•	foreign currency fluctuations.

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(1)	Adjusted EBITDA represents net earnings attributable to Centene Corporation excluding income tax expense, interest expense, depreciation, amortization (excluding senior note premium amortization) and non-cash stock compensation expense.

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•	Strong Historic Operating Performance. We have increased revenues as we have grown in existing markets, expanded into new markets and broadened our product offerings. We entered the Wisconsin market in 1984 as a single health plan and have grown to serve 29 states. Our operating performance has been demonstrated by the following:

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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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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 medical outcomes for members by reducing inappropriate emergency room use, inpatient days and high cost interventions, as well as by managing care of chronic illnesses. We work with state agencies in order to maximize the effectiveness of their programs. Our approach is to accomplish this while maintaining adequate levels of provider compensation and protecting our profitability.

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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, in-home health services, life and health management, managed vision, pharmacy benefits management, specialty pharmacy and telehealth services. With the acquisition of Health Net, we further broadened our service offerings in 2016, which added government-sponsored care under its federal contracts with the Department of Defense and the U.S. Department of Veterans Affairs (VA), as well as Medicare Advantage. 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.

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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 Medicaid and specialty services while maintaining our local accountability and improved access.

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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, Start Smart For Your Baby, and MemberConnections.

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Increase Penetration of Existing State Markets. We seek to continue to increase our Medicaid and Medicare membership in states in which we currently operate through alliances with key providers, outreach efforts, development and implementation of community-specific products and acquisitions. For example, in 2016, we began serving the STAR Kids Medicaid population in seven delivery areas in Texas. In 2017, we expect to expand our Medicare Advantage footprint into four of our existing states.

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Diversify Business Lines. We seek to broaden our business lines into areas that complement our existing business to enable us to grow and diversify our revenue. In 2016, we served managed care members in 24 states through over 250 product solutions. We are constantly evaluating new opportunities for expansion both domestically and abroad. For example, in 2016, we acquired Health Net, which broadened our service offerings and added government-sponsored care. We employ a disciplined acquisition strategy that is based on defined criteria including internal rate of return, accretion to earnings per share, market leadership and compatibility with our information systems. We engage our executives in the relevant operational units or functional areas to ensure consistency between the diligence and integration process.

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Address Emerging State Needs. We work to assist the states in which we operate in addressing the operating challenges they face. We seek to assist the states in balancing premium rates, benefit levels, member eligibility, policies and practices, provider compensation and minimizing fraud, waste, and abuse. By helping states structure appropriate programs to cover a wide range of populations including Medicaid, CHIP, LTC, ABD, IDD, and specialty services, among others. We seek to ensure that we are able to continue to provide those services on terms that achieve targeted gross margins, provide an acceptable return and grow our business.

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Develop and Acquire Additional Markets. We continue to leverage our experience to identify and develop new domestic and international markets by seeking both to acquire existing business and to build our own operations. Domestically, we focus expansion in states where Medicaid recipients are mandated to enroll in managed care organizations because we believe member enrollment levels are more predictable in these states. In addition, we provide solutions to states looking to deliver the highest quality of care within their budgetary constraints. In 2014, we entered the international market with our investment in Ribera Salud, S.A. (Ribera Salud), a Spanish health management group. In 2015, we began managing care for Medicaid members in Oregon and also began managing care for members who are dually eligible for Medicare and Medicaid in Michigan. In 2016, we increased our ownership interest to 75% in The Practice (Group) Limited (TPG), one of the largest provider networks for NHS England.

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Leverage Established Infrastructure to Enhance Operating Efficiencies. We intend to continue to invest in infrastructure to further drive efficiencies in operations and to add functionality to improve the service provided to members and other organizations at a low cost. Information technology, or IT, investments complement our overall efficiency goals by increasing the automated processing of transactions and growing the base of decision-making analytical tools. We believe that our centralized functions and common systems enable us to add members and markets quickly and economically.

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Maintain Operational Discipline. We seek to operate in markets that allow us to meet our internal metrics including membership growth, plan size, market leadership and operating efficiency. We use multiple techniques to monitor and reduce our medical costs, including on-site hospital review by staff nurses and involvement of medical management in significant cases. Our executive dashboard is utilized to quickly identify cost drivers and medical trends. Our management team regularly evaluates the financial impact of proposed changes in provider relationships, contracts, changes in membership and mix of members, potential state rate changes and cost reduction initiatives. We may divest contracts or health plans in markets where the environment, over a long term basis, does not allow us to meet our targeted performance levels.  For example, due to under performance, we exited the Arizona individual PPO business, effective January 1, 2017. In addition, in 2016, we took various rate and product design actions for 2017 to address issues and improve profitability in connection with certain lines of business acquired with the Health Net acquisition.

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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 including Start Smart for your Baby, Living Well With Sickle Cell and The CentAccount Program.

•	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.

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•	Fraud, waste and abuse prevention. We have several systems in place to help identify, detect and investigate potential waste, abuse and fraud 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 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.

•	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 room 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. NurseWise 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.

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•	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 room 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 an innovative program that is a collaboration with our life and health management subsidiary and our health plans that targets diabetic patients and educates them on their disease state.

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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.

•	Clinical Programs Library (CPL) 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 CPL 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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•	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 risk-sharing performance-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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Customized Utilization Reports provide certain of our contracted physicians with information that enables them to run their practices more efficiently and focuses them on specific patient needs. For example, quarterly detail reports update physicians on their status within their risk pools. Equivalency reports provide physicians with financial comparisons of capitated versus fee-for-service arrangements.

•	Case Management Support helps the physician coordinate specialty care and ancillary services for patients with complex conditions and direct members to appropriate community resources to address both their health and socio-economic needs.

•	Web-based Claims and Eligibility Resources have been implemented to provide physicians with on-line access to perform claims and eligibility inquiries.

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•	appropriate leveling of care for neonatal intensive care unit hospital admissions, other inpatient hospital admissions, and observation admissions, in accordance with Interqual or Milliman criteria.

•	tightening of our pre-authorization list and more stringent review of durable medical equipment and injectibles.

•	Emergency room program designed to collaboratively work with hospitals to steer non-emergency care away from the costly emergency room setting (through patient education, on-site alternative urgent care settings, etc.).

•	increase emphasis on case management and clinical rounding where case managers are nurses or social workers who are employed by the health plan to assist selected members with the coordination of healthcare services in order to meet a member's specific healthcare needs.

•	incorporation of disease management, which is a comprehensive, multidisciplinary, collaborative approach to chronic illnesses such as asthma and diabetes.

•	Start Smart For Your Baby, a prenatal case management program aimed at helping women with high-risk pregnancies deliver full-term, healthy infants.

•	Pharmacy treatment compliance programs driven by clinical policy 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. Under the new brand, we will continue to 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. Acquired with the Health Net transaction, Health Net Pharmaceutical Services (HNPS) provides pharmacy benefit management (PBM) services to Medicare and dual eligible members. HNPS manages these benefits in an effort to achieve the highest quality outcomes at the lowest cost for legacy Health Net members. HNPS contracts with national health care providers, vendors, drug manufacturers and pharmacy distribution networks, oversees pharmacy claims and administration, reviews and evaluates new FCA-approved drugs for safety and efficacy and manages data collection efforts to facilitate our health plans' disease management programs.

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Health, Triage, Wellness, and Disease Management Services. Envolve PeopleCare brings together our behavioral health, 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. Health risk appraisals, biometric screenings, interactive wellness programs, disease management and work-life/employee assistance services are areas of focus. We utilize telephonic health and work/life balance coaching, in-home and online interactions and informatics processes to deliver effective clinical outcomes, enhanced patient-provider satisfaction and lower overall healthcare costs. We offer telehealth services where members engage with bilingual customer service representatives and nursing staff members 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. Our behavioral health networks feature a full range of services and levels of care to help people with mental illness reach their recovery and wellness goals. Acquired with the Health Net acquisition, Managed Health Network, Inc. and its subsidiaries (collectively MHN) administers and arranges behavioral health benefits and services. MHN offers behavioral health and substance abuse programs on an insured and self-funded basis to groups in various states. The programs and services are included as a standard part of most of our commercial health plans and are also sold in conjunction with other commercial and Medicare products and on a stand-alone basis to unaffiliated health plans and employer groups.

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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.

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

•	Correctional Healthcare Services. Centurion, our joint venture subsidiary with MHM Services Inc., provides comprehensive healthcare services to individuals incarcerated in Massachusetts, Minnesota, Mississippi, Tennessee and Vermont state correctional facilities. In 2016, we began providing healthcare services to individuals incarcerated in Florida and New Mexico.

•	In-Home Health Services. U.S. Medical Management, our majority owned subsidiary acquired in January 2014, provides in-home health services for high acuity populations.

•	Integrated Long-Term Care. LifeShare provides home and community-based support for people with intellectual and developmental disabilities, children in the child welfare system and people of all ages and abilities, with a focus on those that are often marginalized by society. In addition, LifeShare operates school-based programs that focus on students with special needs.

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Federal Services. Health Net Federal Services, which was acquired with the Health Net acquisition, has a Managed Support Contract in the North Region for the DoD TRICARE program. The services that are provided are structured as cost reimbursement arrangements for health care costs plus administrative fees received in the form of fixed prices, fixed unit prices, and contingent fees and payments based on various incentives and penalties. 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. In July 2016, it was announced that the DoD awarded Health Net Federal Services, the TRICARE West Region contract. In connection with this latest generation of TRICARE contracts, the Department of Defense has consolidated the prior North, South and West TRICARE regions into two: the West and East Regions. We expect health care delivery for this new contract to begin in the second half of 2017. 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. The Patient Centered Community Care (PC3) program, acquired with the Health Net acquisition, provides eligible veterans coordinated, timely access to care through a comprehensive network of non-VA providers who meet VA quality standards when a local VA medical center cannot readily provide the care.

•	written standards of conduct

•	designation of a corporate compliance officer and compliance committee

•	effective training and education

•	effective lines for reporting and communication

•	enforcement of standards through well publicized disciplinary guidelines and actions

•	internal monitoring and auditing

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

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

•	National and Regional Commercial Managed Care Organizations 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.

•	Primary Care Case Management Programs are programs 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 are groups of doctors, hospitals, and other health care providers, who come together to give 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; and

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

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•	Year-end managed care membership of 11.4 million, an increase of over 6.3 million members, or 124% over 2015.

•	Total revenues of $40.6 billion, representing 78% growth year over year.

•	HBR of 86.5%, compared to 88.9% in 2015.

•	SG&A expense ratio of 9.8% for 2016 compared to 8.5% for 2015. SG&A expense ratio excluding Health Net acquisition related expenses of 9.2% for 2016 compared to 8.3% for 2015.

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•	Operating cash flows of $1,851 million, or 3.3 times net earnings.

•	Diluted EPS for 2016 of $3.41 compared to $2.89 for 2015.

•	Adjusted Diluted EPS for 2016 of $4.43 compared to $3.14 for 2015.

•	Arizona. In October 2015, our subsidiary, Cenpatico Integrated Care, in partnership with University of Arizona Health Plan, began operating under a contract with the Arizona Department of Health Services/Division of Behavioral Health Services to be the Regional Behavioral Health Authority for the new southern geographic service area.

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Centurion. In February 2015, Centurion began operating under a new contract with the State of Vermont Department of Corrections to provide comprehensive correctional healthcare services. In July 2015, Centurion began operating under a new contract with the Mississippi Department of Corrections to provide comprehensive correctional healthcare services. In April 2016, Centurion began providing correctional healthcare services for the Florida Department of Corrections in Regions 1, 2 and 3. In June 2016, Centurion began operating under two new contracts with the State of New Mexico Corrections Department to provide correctional medical healthcare services and pharmacy services.

•	Florida. In October 2015, our Florida subsidiary, Sunshine Health began operating under a two-year, statewide contract with the Florida Healthy Kids Corporation to manage healthcare services for children ages five through 18 in all 11 regions of Florida.

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Health Net. On March 24, 2016, we acquired all of the issued and outstanding shares of Health Net for approximately $6.0 billion, including the assumption of debt. This strategic acquisition broadened our service offerings, providing expansion in both Medicaid and Medicare programs. This acquisition provided further diversification across our markets and products through the addition of commercial products and government-sponsored care under federal contracts with the Department of Defense (DoD) and the U.S. Department of Veteran's Affairs (VA), as well as Medicare Advantage. Health Net's operations are primarily concentrated in the states of California, Arizona, Oregon, and Washington.

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Indiana. In February 2015, our Indiana subsidiary, Managed Health Services, began operating under an expanded contract with the Indiana Family & Social Services Administration to provide Medicaid services under the State's Healthy Indiana Plan 2.0 program. In April 2015, Managed Health Services began operating under an expanded contract with the Indiana Family & Social Services Administration to provide services to its ABD Medicaid enrollees who qualify for the new Hoosier Care Connect Program.

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Louisiana. In February 2015, our Louisiana subsidiary, Louisiana Healthcare Connections, began operating under a new contract with the Louisiana Department of Health and Hospitals to serve Healthy Louisiana (Medicaid) beneficiaries. Members previously served under the shared savings program were transitioned to the at-risk program on February 1, 2015. In December 2015, Louisiana Healthcare Connections began operating under an expanded contract to include behavioral health benefits. In July 2016, Louisiana Healthcare Connections began serving Medicaid expansion members.

•	Michigan. In May 2015, we completed the acquisition of Fidelis SecureCare of Michigan, Inc. (Fidelis). Fidelis began operating under a new contract with the Michigan Department of Community Health and CMS to provide integrated healthcare services to members who are dually eligible for Medicare and Medicaid in Macomb and Wayne counties in May 2015.

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Mississippi. In July 2014, our Mississippi subsidiary, Magnolia Health, began operating as one of two contractors under a new statewide managed care contract serving members enrolled in the Mississippi Coordinated Access Network program. Program expansion began in December 2014 and continued through July 2015. In July 2015, Magnolia Health began operating under a two-year CHIP contract with the State of Mississippi. In December 2015, Magnolia Health began operating under an expanded contract to include the inpatient benefit for Medicaid and ABD members.

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New Hampshire. In January 2016, we began serving members enrolled in the federally facilitated Health Insurance Marketplace in the State of New Hampshire. In January 2016, we started operating under a contract with the New Hampshire Department of Health and Human Services to participate in the Medicaid expansion model that New Hampshire has adopted (referred to as the “Premium Assistance Program”).

•	Oregon. In September 2015, we completed the acquisition of Agate Resources, Inc., a diversified holding company, that offers primarily Medicaid and other healthcare products and services to Oregon residents through Trillium Community Health Plan.

•	South Carolina. In February 2015, our South Carolina subsidiary, Absolute Total Care, began operating under a new contract with the South Carolina Department of Health and Human Services and CMS to serve dual-eligible members as part of the State's dual demonstration program.

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Texas. In March 2015, we began operating under an expanded STAR+PLUS contract with the Texas Health and Human Services Commission (HHSC) to include nursing facility benefits. In March 2015, we also began operating under a new contract with the Texas HHSC and CMS to serve dual-eligible members in three counties as part of the State's dual demonstration program. In November 2016, our subsidiary, Superior HealthPlan, Inc., began operating under a new contract with the Texas HHSC to serve STAR Kids Medicaid population in seven delivery areas, more than any other successful bidder.

•	Washington. In April 2016, our subsidiary, Coordinated Care of Washington, began operating as the sole contractor with the Washington State Health Care Authority to provide foster care services through the Apple Health Foster Care contract.

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•	We expect to realize the full year benefit in 2017 from the Health Net acquisition completed on March 24, 2016.

•	We expect to realize the full year benefit in 2017 of business commenced during 2016 in Florida, Louisiana, New Mexico, Texas, and Washington as discussed above.

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In January 2017, we signed a joint venture agreement with the North Carolina Medical Society, working in conjunction with the North Carolina Community Health Center, to collaborate on a patient-focused approach to Medicaid under the reform plan enacted in the State of North Carolina. The newly created health plan, Carolina Complete Health, was created to establish, organize and operate a physician-led health plan to provide Medicaid managed care services in North Carolina.

•	In January 2017, our Pennsylvania subsidiary, Pennsylvania Health & Wellness, was selected by the Pennsylvania Department of Human Services to serve Medicaid recipients enrolled in the HealthChoices program in three zones. Pending regulatory approval and successful completion of a readiness review, the three-year agreement is expected to commence June 1, 2017.

•	In January 2017, our Indiana subsidiary, Managed Health Services, began operating under a contract with the Indiana Family & Social Services Administration to provide risk-based managed care services for enrollees in the Healthy Indiana Plan and Hoosier Healthwise programs.

•	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 LTC enrollees.

•	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.

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In November 2016, our Georgia subsidiary, Peach State Health Plan, was awarded a statewide managed care contract to continue serving members enrolled in the Georgia Families managed care program, including PeachCare for Kids and Planning for Healthy Babies. Through the new contract, Peach State Health Plan will be one of four managed care organizations providing medical, behavioral, dental and vision health benefits for its members. The contract is expected to become effective July 1, 2017.

•	In November 2016, our Nevada subsidiary, Silver Summit Health Plan, was selected to serve Medicaid recipients enrolled in Nevada's Medicaid managed care program. The contract is expected to commence on July 1, 2017, pending regulatory approval and successful completion of a readiness review.

•	In October 2016, our Missouri subsidiary, Home State Health, was selected to provide managed care services to MO HealthNet Managed Care beneficiaries. Under the new contract, Home State Health expects to serve MO HealthNet Managed Care beneficiaries in each of the state's 114 counties and the City of St. Louis. The contract is expected to commence May 1, 2017.

•	In September 2016, the Alabama legislature approved the funding needed to create its regional care organization (RCO) structure. Our subsidiary, AHA Administrative Services, has contracted with five nonprofit RCOs in Alabama to provide management services. Operations are expected to commence October 1, 2017.

•	In August 2016, our Pennsylvania subsidiary, Pennsylvania Health & Wellness, was selected by the department of Human Services and Aging to serve enrollees in the Community HealthChoices program statewide. Expected contract commencement dates vary by zone, starting January 2018, and will be fully implemented by January 2019, pending regulatory approval.

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In July 2016, it was announced that the Department of Defense awarded our wholly-owned subsidiary, Health Net Federal Services, the TRICARE West Region contract. We currently administer services for the TRICARE program in the North Region. In connection with this latest generation of TRICARE contracts, the Department of Defense has consolidated the prior North, South and West TRICARE regions into two: the West and East Regions (the East combining the current North and South Regions). We expect health care delivery for this new contract to begin in the second half of 2017.

•	In May 2016, our specialty solutions division, Envolve, Inc. was selected by Maryland Care Inc. d/b/a Maryland Physicians Care MCO to provide health plan management services for its Medicaid operations in Maryland effective July 1, 2017.

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•	the acquisition of Health Net;

•	organic growth in many of our states, including Florida, Georgia, Oregon, and Texas;

•	product and geographic expansions in Louisiana and Washington;

•	market growth and additional penetration in the Health Insurance Marketplace, which included a private option Medicaid expansion in New Hampshire; and

•	the commencement of correctional healthcare service contracts in Florida and New Mexico.

•	product and geographic expansions in Arizona, Florida, Louisiana, Mississippi, and Texas;

•	the acquisition of Agate Resources, Inc., our Oregon subsidiary;

•	the commencement of HIP 2.0 program in Indiana;

•	the commencement of Health Insurance Marketplaces in certain regions of Illinois, and Oregon;

•	organic growth in California, Georgia, Illinois, Ohio; and

•	the commencement of correctional healthcare service contracts in Mississippi and Vermont.

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•	invest an additional $30 million through the California Organized Investment Network over the five years following completion of the acquisition;

•	build a service center in an economically distressed community in California, investing $200 million over 10 years and employing at least 300 people;

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contribute $65 million to improve enrollee health outcomes ($10 million over 10 years), support locally-based consumer assistance programs ($5 million over five years) and strengthen the health care delivery system ($50 million over five years), (of which, the present value of $61 million was expensed in the year ended December 31, 2016 and classified as SG&A expenses in the Consolidated Statements of Operations); and

•	invest $75 million of its investment portfolio in vehicles supporting California’s health care infrastructure.

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•	Appropriate leveling of care for neonatal intensive care unit hospital admissions, other inpatient hospital admissions, and observation admissions, in accordance with Interqual or other criteria.

•	Management of our pre-authorization list and more stringent review of durable medical equipment and injectibles.

•	Emergency room program designed to collaboratively work with hospitals to steer non-emergency care away from the costly emergency room setting (through patient education, on-site alternative urgent care settings, etc.)

•	Increase emphasis on case management and clinical rounding where case managers are nurses or social workers who are employed by the health plan to assist selected patients with the coordination of healthcare services in order to meet a patient's specific healthcare needs.

•	Incorporation of disease management which is a comprehensive, multidisciplinary, collaborative approach to chronic illnesses such as asthma.

•	Prenatal and infant health programs utilized in our Start Smart For Your Baby outreach service.

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•	Available for sale investments and restricted deposits: The carrying amount is stated at fair value, based on quoted market prices, where available. For securities not actively traded, fair values were estimated using values obtained from independent pricing services or quoted market prices of comparable instruments.

•	Senior unsecured notes: Estimated based on third-party quoted market prices for the same or similar issues.

•	Variable rate debt: The carrying amount of our floating rate debt approximates fair value since the interest rates adjust based on market rate adjustments.

•	Interest rate swap: Estimated based on third-party market prices based on the forward 3-month LIBOR curve.

•	Contingent consideration: Estimated based on expected achievement of metrics included in the acquisition agreement considering circumstances that exist as of the acquisition date.

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(a)	The fair value of premium and related receivables approximated their historical cost, with the exception of the risk corridor receivable associated with the Health Insurance Marketplace. The fair value of the risk corridor receivable was estimated at $9 million.

(b)

The identifiable intangible assets acquired are to be measured at fair value as of the completion of the acquisition. The fair value of intangible assets is determined primarily using variations of the "income approach," which is based on the present value of the future after tax cash flows attributable to each identified intangible asset. Other valuation methods, including the market approach and cost approach, were also utilized in estimating the fair value of certain intangible assets. The Company has finalized its fair value of intangibles to be $1,530 million with a weighted average life of 12 years. This final fair value of intangibles is approximately $30 million higher than the preliminary fair value of intangibles and the weighted average life increased by two years, which resulted in an immaterial true-up of intangible amortization recorded during the fourth quarter of 2016. The Company identified intangible assets including purchased contract rights, provider contracts, trade names and developed technology.

(c)	Medical claims liability and accounts payable and accrued expenses include $160 million of reserves associated with substance abuse rehabilitation claims primarily related to periods prior to the acquisition date.

(d)

Accounts payable and accrued expenses include approximately $253 million related to premium deficiency reserves based on cost trends existing prior to the acquisition date. The premium deficiency reserves are primarily associated with losses in the individual commercial business, largely in California, unfavorable performance in the Arizona commercial business as well as unfavorable performance in the Medicare business primarily in Oregon and Arizona.

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(e)	The deferred tax liabilities are presented net of $365 million of deferred tax assets.

(f)	Debt is required to be measured at fair value under the acquisition method of accounting. The fair value of Health Net's $400 million Senior Notes assumed in the acquisition was $418 million. The $18 million increase will be amortized as a reduction to interest expense over the remaining life of the debt. In November 2016, this debt was redeemed as discussed in Note 11, Debt.

(g)	The acquisition resulted in $3,859 million of goodwill related primarily to buyer specific synergies expected from the acquisition and the assembled workforce of Health Net. This goodwill is not deductible for income tax purposes. The Company assigned $3,317 million of goodwill to the Managed Care segment and $542 million of goodwill to the Specialty Services segment.

•	Additional interest income associated with adjusting the amortized cost of Health Net's investment portfolio to fair value.

•	Elimination of historical Health Net intangible asset amortization expense and addition of amortization expense based on the current values of identifiable intangible assets.

•	Adjustments to premium revenue related to the risk corridor receivables associated with the Health Insurance Marketplace to align with Centene's accounting policies.

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•	Interest expense associated with financing the acquisition and amortization of the fair value adjustment to Health Net's debt.

•	Additional stock compensation expense related to the amortization of the fair value increase to Health Net rollover stock awards.

•	Increased tax expense due to the assumption that Centene would be subject to the IRS Regulation 162(m)(6) beginning in 2015.

•	Elimination of acquisition related costs.

•	invest an additional $30 million through the California Organized Investment Network over the five years following completion of the acquisition;

•	build a service center in an economically distressed community in California, investing $200 million over 10 years and employing at least 300 people;

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contribute $65 million to improve enrollee health outcomes ($10 million over 10 years), support locally based consumer assistance programs ($5 million over five years) and strengthen the health care delivery system ($50 million over five years), (of which, the present value of $61 million was expensed in the year ended December 31, 2016, and classified as SG&A expenses in the Consolidated Statements of Operations); and

•	invest $75 million of its investment portfolio in vehicles supporting California’s health care infrastructure.

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•	$600 million expiring on February 15, 2021;

•	$500 million expiring on May 15, 2022; and,

•	$1,000 million expiring on February 15, 2024.

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periodic compliance and other reviews and investigations by various federal and state regulatory agencies with respect to requirements applicable to the Company's business, including, without limitation, those related to payment of out-of-network claims, submissions to CMS for risk adjustment payments or the False Claims Act, pre-authorization penalties, timely review of grievances and appeals, timely and accurate payment of claims, and the Health Insurance Portability and Accountability Act of 1996;

•	litigation arising out of general business activities, such as tax matters, disputes related to health care benefits coverage or reimbursement, putative securities class actions and medical malpractice, privacy, real estate, intellectual property and employment-related claims;

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disputes regarding reinsurance arrangements, claims arising out of the acquisition or divestiture of various assets, class actions and claims relating to the performance of contractual and non-contractual obligations to providers, members, employer groups and others, including, but not limited to, the alleged failure to properly pay claims and challenges to the manner in which the Company processes claims, and claims alleging that the Company has engaged in unfair business practices.

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(a)	Financial Statements and Schedules

1.	Financial Statements:

2.	Financial Statement Schedules:

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

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