Company: DK
Filing Date: 2025-03-20
Form Type: DEF 14A
Source: 0001140361-25-009658
Chunk: 1

Company: Delek US Holdings, Inc.
Filing Date: 2025-03-20
Form: DEF 14A
Chunk 1
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 Annual Meeting virtually. You may attend the meeting, submit questions, and vote your shares by visiting www.virtualshareholdermeeting.com/DK2025as described in the accompanying Proxy Statement. Additional information concerning the matters to be voted upon at the Annual Meeting is set forth in the Company’s proxy materials, including the 2024 Annual Report, Proxy Statement, and proxy card or voting instruction form. If you have any questions or need assistance, please contact our Investor Relations department at the following address: Investor.Relations@delekus.com. Who Can Vote: Only stockholders of record at the close of business on March 10, 2025 are entitled to receive notice of and vote at the Annual Meeting and at any postponement(s) or adjournment(s) thereof. A list of these stockholders will be open for examination by any stockholder for any purpose germane to the Annual Meeting for ten (10) days prior to the Annual Meeting at our corporate headquarters. If you were a stockholder at the close of business on March 10, 2025, it is important that you vote your shares as soon as possible using one of the methods set forth on the proxy card or voting instruction form or by signing and returning your proxy card. Your vote is important and you are encouraged to vote your shares as soon as possible, even if you plan to participate in and vote at the Annual Meeting.

By Order of the Board of Directors, Denise McWatters Executive Vice President, General Counsel and Corporate Secretary Delek US Holdings, Inc. March 20, 2025

| Tuesday, April 29, 2025                  
 11:30 a.m., Central time                 |     | Date and Time |
|:-----------------------------------------|:----|:--------------|
|                                          |     | Where         |
| Via live webcast at                      
 www.virtualshareholdermeeting.com/DK2025 |     |               |

TABLE OF CONTENTS ADDITIONAL INFORMATION The proxy materials for the Annual Meeting are expected to be made available on or about March 20, 2025, to all stockholders of record as of the record date of March 10, 2025. The proxy materials include the Notice of the 2025 Annual Meeting of Stockholders, this Proxy Statement, a proxy card, or voting instruction form and our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 (“2024 Annual Report”). Copies of these documents are also available on the Investor Relations page of our website at