UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

(Rule 14a-101)

SCHEDULE 14A INFORMATION

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the Securities Exchange Act of 1934

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Conagra Brands, Inc.

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Your Vote Counts! CONAGRA BRANDS, INC. 2021 Annual Meeting Vote by September 14, 2021 11:59 PM ET D58354-P59477 You invested in CONAGRA BRANDS, 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 September 15, 2021. Get informed before you vote View the Annual Report and Notice & Proxy Statement online OR you can receive a free paper or email copy of the material(s) by requesting prior to September 1, 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. *Please check the meeting materials for any special requirements for meeting attendance.

Vote at www.ProxyVote.com 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. Voting Items Board Recommends 1. Election of Directors Nominees: 1a. Anil Arora For 1b. Thomas K. Brown For 1c. Emanuel Chirico For 1d. Sean M. Connolly For 1e. Joie A. Gregor For 1f. Fran Horowitz For 1g. Rajive Johri For 1h. Richard H. Lenny For 1i. Melissa Lora For 1j. Ruth Ann Marshall For 1k. Craig P. Omtvedt For 1l. Scott Ostfeld For 2. Ratification of the appointment of KPMG LLP as our independent auditor for fiscal 2022 For 3. Advisory approval of our named executive officer compensation For 4. A shareholder proposal regarding written consent Against Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. D58355-P59477