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

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COMMUNITY HEALTH SYSTEMS, INC.

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Your Vote Counts! COMMUNITY HEALTH SYSTEMS, INC. 2021 Annual Meeting Vote by May 10, 2021 11:59 PM ET D42276-P47557 You invested in COMMUNITY HEALTH SYSTEMS, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on May 11, 2021. Get informed before you vote View the Notice and Proxy Statement and Annual Report to Shareholders online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 27, 2021. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Vote Virtually at the Meeting* Point your camera here and May 11, 2021 8:00 AM CT vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/CYH2021 *Please check the meeting materials for any special requirements for meeting attendance. V1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT COMMUNITY HEALTH SYSTEMS, INC. This is an overview of the proposals being presented at the 2021 Annual Meeting upcoming shareholder meeting. Please follow the instructions on Vote by May 10, 2021 the reverse side to vote these important matters. 11:59 PM ET Voting Items Board Recommends 1. Election of Directors Nominees: 1a. John A. Clerico For 1b. Michael Dinkins For 1c. James S. Ely III For 1d. John A. Fry For 1e. Tim L. Hingtgen For 1f. Elizabeth T. Hirsch For 1g. William Norris Jennings, M.D. For 1h. K. Ranga Krishnan, MBBS For 1i. Julia B. North For 1j. Wayne T. Smith For 1k. H. James Williams, Ph.D. For 2. Proposal to approve on an advisory (non-binding) basis the compensation of the Company’s named executive officers. For 3. Proposal to approve the amendment and restatement of the Community Health Systems, Inc. 2009 Stock Option and For Award Plan, which was approved by the Board of Directors on March 17, 2021, subject to stockholder approval. 4. Proposal to ratify the selection of Deloitte & Touche LLP as the Company’s independent registered public accounting For firm for the fiscal year ending December 31, 2021. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. D42277-P47557