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.       )

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¨	Definitive Proxy Statement
x	Definitive Additional Materials
¨	Soliciting Material under §240.14a-12
OneMain Holdings, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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 Your Vote Counts! ONEMAIN HOLDINGS, INC. 2021 Annual Meeting Vote by May 24, 2021 11:59 PM ET 601 N.W. SECOND STREET EVANSVILLE, INDIANA 47708 D48780-P53782 You invested in ONEMAIN HOLDINGS, 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 materials for the stockholder meeting to be held on May 25, 2021. Get informed before you vote View the Notice of 2021 Annual Meeting of Stockholders, Proxy Statement and 2020 Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 11, 2021. If you would like to request a copy of the material(s) for this and/or future stockholder 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 Point your camera here and vote without entering a control number Vote in Person at the Meeting* May 25, 2021 1:00 P.M. Local Time 1011 Centre Road, Suite 402 Wilmington, DE 19805 *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. V1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Voting Items To elect three Class II directors to serve until the 2024 Annual Meeting of Stockholders. Nominees: Lisa Green Hall Matthew R. Michelini Douglas H. Shulman To approve the OneMain Holdings, Inc. Employee Stock Purchase Plan. To ratify the appointment of PricewaterhouseCoopers LLP as the independent registered public accounting firm for OneMain Holdings, Inc. for the year ending December 31, 2021. NOTE: The proxies are authorized to vote at their discretion upon any other matter that may properly come before the meeting or any adjournment or postponement thereof. Board Recommends For For For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. D48781-P53782