Delek US Holdings, Inc.

Rule 10b5-1 Trading Plans

During the quarter ended June 30, 2026, none of our directors or officers (as defined in Rule 16a-1 under the Exchange Act)adopted, modified orterminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement" (as those terms are defined in Item 408 of Regulation S-K), except as follows:

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On May 18, 2026, Avigal Soreq, Chief Executive Officer and a member of our Board of Directors, adopted a Rule 10b5-1 trading arrangement for the sale of up to 80,000 shares of our common stock, subject to certain conditions. The arrangement’s expiration date is November 13, 2026.

On May 14, 2026, Ezra Uzi Yemin, Chairman of our Board of Directors, adopted a Rule 10b5-1 trading arrangement for the sale of up to 200,000 shares of our common stock, subject to certain conditions. The arrangement’s expiration date is August 13, 2027.

On May 18, 2026, Mark Hobbs, Executive Vice President, Delek Logistics, adopted a Rule 10b5-1 trading arrangement for the sale of up to 20,000 shares of our common stock, subject to certain conditions. The arrangement’s expiration date is August 17, 2027.

On June 5, 2026, Vicky Sutil, amember of our Board of Directors, adopted a Rule 10b5-1 trading arrangement for the sale of up to 6,397 shares of our common stock, subject to certain conditions. The arrangement’s expiration date is January 15, 2027.

Employment Agreement Amendment

On August 3, 2026, the Company entered into a Second Amendment to the Executive Employment Agreement, dated as of March 28, 2022, as amended by the First Amendment dated November 6, 2024 (the “Agreement”), by and between the Company and Avigal Soreq, President and Chief Executive Officer of Delek US Holdings, Inc. and President of Delek Logistics Partners, LP. The Second Amendment, which is effective as of July 1, 2026, revises the terms governing Mr. Soreq's compensation payable upon a Company-initiated termination following his notice of resignation, shortens the duration of his post-employment non-compete restriction, confirms his accelerated equity vesting rights upon a qualified retirement remain unaffected, and increases his annual base salary to $1,000,000, his target annual bonus to 150% of base salary, and his target annual long-term equity incentive award to $5.5 million.