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

Your Vote Counts! *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V45445-P05704 UNITEDHEALTH GROUP INCORPORATED 9900 BREN ROAD EAST MINNETONKA, MN 55343 UNITEDHEALTH GROUP INCORPORATED It’s time to vote your UNITEDHEALTH GROUP INCORPORATED shares! You have the right to vote on proposals being presented at the 2024 Annual Meeting. This is an important notice regarding the availability of proxy materials for the shareholder meeting to be held on June 3, 2024. Get informed before you vote View the Notice of Annual Meeting, Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 20, 2024. 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. VOTE CONFIRMATION You may confirm that your instructions were received and included in the final tabulation to be issued at the Annual Meeting on June 3, 2024 via the ProxyVote Confirmation link at www.proxyvote.com by using the information printed in the box. Vote Confirmation is available 24 hours after your vote is received beginning May 20, 2024, with the final vote tabulation remaining available through August 3, 2024. Vote Virtually at the Meeting* June 3, 2024 11:00 a.m. Eastern Time Virtually at: www.virtualshareholdermeeting.com/UNH2024 2024 Annual Meeting For Holders as of April 5, 2024 Vote by June 2, 2024 11:59 PM ET Shares held in the UnitedHealth Group 401(k) Savings Plan must be voted by May 29, 2024 11:59 PM ET

THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. Voting Items Board Recommends V45446-P05704 1. Election of Directors Nominees: 1a. Charles Baker For 1b. Timothy Flynn For 1c. Paul Garcia For 1d. Kristen Gil For 1e. Stephen Hemsley For 1f. Michele Hooper For 1g. F. William McNabb III For 1h. Valerie Montgomery Rice, M.D. For 1i. John Noseworthy, M.D. For 1j. Andrew Witty For 2. Advisory approval of the Company’s executive compensation. For 3. Ratification of the appointment of Deloitte & Touche LLP as the independent registered public accounting firm for the Company for the year ending December 31, 2024. For 4. If properly presented at the 2024 Annual Meeting of Shareholders, the shareholder proposal requiring a political contributions congruency report. Against

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