Company: DK
Filing Date: 2025-03-20
Form Type: DEF 14A
Source: 0001140361-25-009658
Chunk: 107

Company: Delek US Holdings, Inc.
Filing Date: 2025-03-20
Form: DEF 14A
Chunk 107
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 not the stockholder of record also may be voted electronically during the Annual Meeting. Even if you plan to virtually attend the Annual Meeting we recommend that you also vote by proxy as described above so that your vote will be counted if you later decide not to virtually attend the Annual Meeting. |

If you have any questions or need assistance, please contact our Investor Relations department at Investor.Relations@delekus.com.

Stockholder Proposals for 2026 Annual Meeting To be considered for inclusion in the proxy statement for our 2026 Annual Meeting pursuant to Rule 14a-8 under the Exchange Act, stockholder proposals must be in writing and submitted to the Corporate Secretary, Delek US Holdings, Inc., 310 Seven Springs Way, Suite 500, Brentwood, Tennessee 37027, and must otherwise comply with the requirements of Rule 14a-8. The proposal must be received no later than November 20, 2025 for us to consider it for inclusion. Stockholders who desire to present business at our 2026 Annual Meeting, without inclusion in the Proxy Statement for such meeting, including a nomination of a candidate for election as director at such meeting, must notify our Corporate Secretary of such intent in accordance with our Bylaws by writing to our Corporate Secretary, Delek US Holdings, Inc., 310 Seven Springs Way, Suite 500, Brentwood, Tennessee 37027. To be timely, such notice must be received no earlier than December 30, 2025, nor later than January 29, 2026, provided that if the date of the Annual Meeting is advanced more than 30 calendar days prior to or delayed by more than 60 calendar days after the anniversary of the preceding year’s annual meeting, notice by the stockholder to be timely must be so delivered not later than the close of business on the later of the 90th calendar day prior to such annual meeting or the 10th calendar day following the day on which public disclosure of the date of such meeting is first made. The advance notice must also meet the other requirements of Section 2.02 of our Bylaws. You may obtain a copy of our Bylaws by writing to our Corporate Secretary at the address above.

| DELEK US HOLDINGS, INC. |     | 2025 PROXY STATEMENT | 97 |

TABLE OF CONTENTS

APPENDIX A SIXTH AMENDMENT TO THE DELEK US HOLDINGS, INC. 2016 LONG-TERM INCENTIVE PLAN THIS SIX