A special meeting of stockholders of Centene Corporation (“Centene”) was held on June 24, 2019 (the “Special Meeting”). The Special Meeting was held in order to vote upon the following proposals set forth in the joint proxy statement/prospectus of Centene and WellCare Health Plans, Inc. (“WellCare”) included in the registration statement on Form S-4 filed by Centene with the Securities and Exchange Commission on May 23, 2019, as supplemented, in connection with Centene’s previously announced proposed acquisition of WellCare to the Agreement and Plan of Merger, dated as of March 26, 2019, by and among Centene, Wellington Merger Sub I, Inc., Wellington Merger Sub II, Inc. and WellCare (the “Merger Agreement”):

Proposal 1: To approve the issuance of Centene common stock, par value $0.001 per share, to the Merger Agreement (the “Share Issuance Proposal”); and

Proposal 2: To approve the adjournment of the Special Meeting from time to time, if necessary or appropriate, to solicit additional proxies in the event there are not sufficient votes at the time of the Special Meeting to approve the Share Issuance Proposal (the “Adjournment Proposal”).

At the Special Meeting, Centene’s stockholders approved the Share Issuance Proposal. In addition, sufficient votes were received to approve the Adjournment Proposal, but an adjournment was not necessary in light of the approval of the Share Issuance Proposal.

Completion of the merger contemplated by the Merger Agreement remains subject to the satisfaction of the remaining closing conditions contained in the Merger Agreement.

As of May 8, 2019, the record date for the Special Meeting, there were 413,366,930 shares of Centene’s common stock outstanding and entitled to vote at the Special Meeting.

The final voting results for each proposal were as follows:

Share Issuance Proposal

Adjournment Proposal

Cautionary Statement on Forward-Looking Statements

All statements, other than statements of current or historical fact, contained in this communication are forward-looking statements. Without limiting the foregoing, forward-looking statements often use words such as “believe,” “anticipate,” “plan,” “expect,” “estimate,” “intend,” “seek,” “target,” “goal,” “may,” “will,” “would,” “could,” “should,” “can,” “continue” and other similar words or expressions (and the negative thereof). In particular, these statements include, without limitation, statements about Centene’s future operating or financial performance, market opportunity, growth strategy, competition, expected activities in completed and future acquisitions, including statements about the impact of Centene’s proposed acquisition of WellCare Health Plans, Inc. (the “WellCare Transaction”), Centene’s recent acquisition (the “Fidelis Care Transaction”) of substantially all the assets of New York State Catholic Health Plan, Inc., d/b/a Fidelis Care New York (“Fidelis Care”), investments and the adequacy of Centene’s available cash resources.

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

All forward-looking statements included in this filing are based on information available to us on the date of this communication. Except as may be otherwise required by law, Centene undertakes no obligation to update or revise the forward-looking statements included in this communication, whether as a result of new information, future events or otherwise, after the date of this filing. You should not place undue reliance on any forward-looking statements, as actual results may differ materially from projections, estimates, or other forward-looking statements due to a variety of important factors, variables and events including, but not limited to, the following: (i) the risk that regulatory or other approvals required for the WellCare Transaction may be delayed or not obtained or are obtained subject to conditions that are not anticipated that could require the exertion of management’s time and Centene’s resources or otherwise have an adverse effect on Centene; (ii) the possibility that certain conditions to the consummation of the WellCare Transaction will not be satisfied or completed on a timely basis and accordingly the WellCare Transaction may not be consummated on a timely basis or at all; (iii) uncertainty as to the expected financial performance of the combined company following completion of the WellCare Transaction; (iv) the possibility that the expected synergies and value creation from the WellCare Transaction will not be realized, or will not be realized within the expected time period; (v) the exertion of management’s time and Centene’s 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 the WellCare Transaction; (vi) the risk that unexpected costs will be incurred in connection with the completion and/or integration of the WellCare Transaction or that the integration of WellCare will be more difficult or time consuming than expected; (vii) the risk that potential litigation in connection with the WellCare Transaction may affect the timing or occurrence of the WellCare Transaction or result in significant costs of defense, indemnification and liability; (viii) a downgrade of the credit rating of Centene’s indebtedness, which could give rise to an obligation to redeem existing indebtedness; (ix) unexpected costs, charges or expenses resulting from the WellCare Transaction; (x) the inability to retain key personnel; (xi) disruption from the announcement, pendency and/or completion of the WellCare Transaction, including potential adverse reactions or changes to business relationships with customers, employees, suppliers or regulators, making it more difficult to maintain business and operational relationships; and (xii) the risk that, following the WellCare Transaction, the combined company may not be able to effectively manage its expanded operations.

Additional factors that may cause actual results to differ materially from projections, estimates, or other forward-looking statements include, but are not limited to, the following: (i) Centene’s ability to accurately predict and effectively manage health benefits and other operating expenses and reserves; (ii) competition; (iii) membership and revenue declines or unexpected trends; (iv) changes in healthcare practices, new technologies, and advances in medicine; (v) increased healthcare costs, (vi) changes in economic, political or market conditions; (vii) 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; (viii) rate cuts or other payment reductions or delays by governmental payors and other risks and uncertainties affecting Centene’s government businesses; (ix) Centene’s ability to adequately price products on federally facilitated and state-based Health Insurance Marketplaces; (x) tax matters; (xi) disasters or major epidemics; (xii) the outcome of legal and regulatory proceedings; (xiii) changes in expected contract start dates; (xiv) provider, state, federal and other contract changes and timing of regulatory approval of contracts; (xv) the expiration, suspension, or termination of Centene’s contracts with federal or state governments (including but not limited to Medicaid, Medicare, TRICARE or other customers); (xvi) the difficulty of predicting the timing or outcome of pending or future litigation or government investigations; (xvii) challenges to Centene’s contract awards; (xviii) cyber-attacks or other privacy or data security incidents; (xix) the possibility that the expected synergies and value creation from acquired businesses, including, without limitation, the Fidelis Care Transaction, will not be realized, or will not be realized within the expected time period; (xx) the exertion of management’s time and Centene’s 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 Transaction; (xxi) disruption caused by significant completed and pending acquisitions, including, among others, the Fidelis Care Transaction, making it more difficult to maintain business and operational relationships; (xxii) 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 Transaction; (xxiii) changes in expected closing dates, estimated purchase price and accretion for acquisitions; (xxiv) the risk that acquired businesses, including Fidelis Care, will not be integrated successfully; (xxv) the risk that, following the Fidelis Care Transaction, Centene may not be able to effectively manage its expanded operations; (xxvi) restrictions and limitations in connection with Centene’s indebtedness; (xxvii) Centene’s 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; (xxviii) availability of debt and equity financing, on terms that are favorable to us; (xxix) inflation; and (xxx) foreign currency fluctuations.

This list of important factors is not intended to be exhaustive. We discuss certain of these matters more fully, as well as certain other factors that may affect Centene’s business operations, financial condition and results of operations, in Centene’s filings with the Securities and Exchange Commission (the “SEC”), including the registration statement on Form S-4 filed by Centene with the Securities and Exchange Commission on May 23, 2019 (the “Registration Statement”), and Centene’s Annual Report on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K. Due to these important factors and risks, Centene cannot give assurances with respect to Centene’s future performance, including without limitation Centene’s ability to maintain adequate premium levels or Centene’s ability to control its future medical and selling, general and administrative costs.

Important Additional Information and Where to Find It

In connection with the WellCare Transaction, on May 23, 2019, Centene filed with the SEC the Registration Statement, which included a prospectus with respect to the shares of Centene’s common stock to be issued in the WellCare Transaction and a joint proxy statement for Centene’s and WellCare’s respective stockholders (the “Joint Proxy Statement”). The SEC declared the Registration Statement effective on May 23, 2019, and the Joint Proxy Statement was first mailed to stockholders of Centene and WellCare on or about May 24, 2019. Each of Centene and WellCare may file other documents regarding the WellCare Transaction with the SEC. This communication is not a substitute for the Registration Statement, the Joint Proxy Statement or any other document that Centene or WellCare may send to their respective stockholders in connection with the WellCare Transaction. INVESTORS AND SECURITY HOLDERS OF CENTENE AND WELLCARE ARE URGED TO READ THE REGISTRATION STATEMENT, THE JOINT PROXY STATEMENT AND ANY OTHER RELEVANT DOCUMENTS (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT CENTENE, WELLCARE, THE WELLCARE TRANSACTION AND RELATED MATTERS. Investors and security holders of Centene and WellCare are able to obtain free copies of the Registration Statement, the Joint Proxy Statement and other documents (including any amendments or supplements thereto) containing important information about Centene and WellCare through the website maintained by the SEC at www.sec.gov. Centene and WellCare make available free of charge at www.centene.com and www.ir.wellcare.com, respectively, copies of materials they file with, or furnish to, the SEC.

No Offer or Solicitation

This communication is for informational purposes only and does not constitute, or form a part of, an offer to sell or the solicitation of an offer to sell or an offer to buy or the solicitation of an offer to buy any securities, and there shall be no sale of securities, in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended, and otherwise in accordance with applicable law.

About CENTENE CORPORATION (NYSE:CNC)

Centene Corporation is a diversified healthcare company that provides programs and services to government sponsored healthcare programs. The Company also provides education and outreach programs to inform and assist members in accessing appropriate healthcare services. The Company operates through two segments. The Managed Care segment provides health plan coverage to individuals, through government subsidized programs, including Medicaid, the State Children’s Health Insurance Program (CHIP), Long Term Care (LTC), Foster Care, dual-eligible individuals (Duals) and the Supplemental Security Income Program, also known as the Aged, Blind or Disabled Program (ABD). The Specialty Services segment consists of its specialty companies offering a range of healthcare services and products to state programs, correctional facilities, healthcare organizations, employer groups and other commercial organizations.