On January 16, 2024, Christine Benson Schwartzstein was appointed to the Board of Directors (the "Board") of Delek US Holdings, Inc. (the "Company" or "Delek US") as an independent director, effective immediately. Ms. Benson will stand for election at the Company?s 2024 annual meeting of stockholders. At this time, Ms. Benson has not been appointed to any Board committees that the Board has chosen.

Following the appointment, the board of Delek US will comprise of 10 directors, 8 of which are independent. Ms. Benson has nearly 20 years of experience in natural resources risk management, capital markets, and investing. She is currently a director of Apollo Infrastructure Company LLC, as well as Talen Energy Corporation.

She previously served as a member of the Senior Advisory Board of Orion Infrastructure Capital, until 2023 after serving as a Managing Director and Investment Principal from 2021 to 2022. Before joining Orion Infrastructure Capital, Ms. Benson spent 17 years in various roles at Goldman Sachs & Co. Ms. Benson received an A.B. in Earth and Planetary Sciences, magna cum laude, from Harvard University in 2004.