sp-defa14a_20230330.htm

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Get informed before you vote *If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do so, please follow the instructions at www.ProxyVote.com or request a paper copy of the materials, which will contain the appropriate instructions. 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 Your Vote Counts! FLASHID-JOB# For complete information and to vote, visit www.ProxyVote.com Control # Ricky Campana P.O. Box 123456 Suite 500 51 Mercedes Way Edgewood, NY 11717 1 OF 2 322,224 148,294 30# Hextone, Inc. P.O. Box 9142 Farmingdale, NY 11735 XXXX XXXX XXXX XXXX SP PLUS CORPORATION 2023 Annual Meeting Vote by May 09, 2023 11:59 PM ET You invested in SP PLUS CORPORATION 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 10, 2023. View the Notice & Proxy Statement, 10K Wrap online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 26, 2023. 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 in Person at the Meeting* May 10, 2023 1:00 PM CDT AON Center 200 East Randolph Street 77th Floor Chicago, IL 60601

Voting Items Board Recommends 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 FLASHID-JOB# Control # XXXX XXXX XXXX XXXX 1.00000 322,224 148,294 Under New York Stock Exchange rules, brokers may vote “routine” matters at their discretion if your voting instructions are not communicated to us at least 10 days before the meeting. We will nevertheless follow your instructions, even if the broker’s discretionary vote has already been given, provided your instructions are received prior to the meeting date. SP PLUS CORPORATION 2023 Annual Meeting Vote by May 09, 2023 11:59 PM ET 1. Election of Directors Nominees: 01 G Marc Baumann 03 Gregory A. Reid 05 Diana L. Sands 02 Alice M. Peterson 04 Wyman T. Roberts 06 Douglas R. Waggoner For 2 To approve, in a non-binding advisory vote, the 2022 compensation paid to our named executive officers. For 3 To cast a non-binding advisory vote on the frequency of the advisory vote on compensation of our named executive officers. Year 4 To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for fiscal year 2023. For 5 To approve an amendment to our Second Amended and Restated Certificate of Incorporation to reflect new Delaware law provisions regarding officer exculpation. For NOTE: Such other business as may properly come before the meeting or any adjournment thereof.