CENTENE CORP — Proxy Solicitation & Information Statement 2023

Apr 3, 2023

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material under §240.14a-12

CENTENE CORPORATION (Exact Name of Registrant as Specified in its Charter)

Payment of Filing Fee (Check all boxes that apply): ☒ No fee required. ☐ Fee paid previously with preliminary materials: ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

On April 3, 2023, Centene Corporation (the “Company”) made the following presentation materials available to certain stockholders. The materials supplement the Company’s definitive proxy statement (the “Proxy Statement”) filed with the Securities and Exchange Commission (“SEC”) on March 24, 2023 relating to the Company’s Annual Meeting of Stockholders to be held on May 10, 2023. These materials should be read in conjunction with the Proxy Statement. The Company’s proxy materials, including the notice and Proxy Statement, proxy card, the 2022 Annual Report to Stockholders, and other relevant documents filed by the Company, are available free of charge from the SEC’s website, www.sec.gov and the Company’s website, investors.centene.com.