Your Vote Counts! DELEK US HOLDINGS, INC. 2024 Annual Meeting Vote by May 1, 2024 11:59 PM ET *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 # V31876-P07063 DELEK US HOLDINGS, INC. 310 SEVEN SPRINGS WAY SUITE 500 BRENTWOOD, TENNESSEE 37027 You invested in DELEK US 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 material for the stockholder meeting to be held on May 2, 2024. Get informed before you vote View the 2023 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 April 18, 2024. 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. Vote Virtually at the Meeting* May 2, 2024 11:30 a.m., CDST Virtually at: www.virtualshareholdermeeting.com/DK2024