Don P. Millican has served as a member of the board of directors of EELP since 2008 and as a director of Excelerate since April 2022. Until his retirement in July 2024, Mr. Millican served as the Vice President & Chief Financial Officer of Kaiser-Francis Oil Company (Kaiser-Francis), an upstream oil and gas company owned by Kaiser, our controlling stockholder, and was also affiliated with other Kaiser-controlled entities in various senior capacities. Prior to Kaiser-Francis, Mr. Millican was a partner in the international accounting firm of Ernst & Young, LLP between 1982 and 2003. Mr. Millican previously served as Chief Financial Officer of EELP from December 2003 to May 2008. Since October 2024, Mr. Millican has served on the Board of Directors of the George Kaiser Family Foundation. Mr. Millican is engaged in many civic activities, having served on the board of Community Action Project, Tulsa Educare, Inc., Neighbor for Neighbor, Oklahoma Policy Institute, Tulsa Neighborhood Networks and Crossover Community Impact. He also serves on the Board of Trustees of Oklahoma Christian University, having formerly served as Chairman. Mr. Millican serves as a director of Memjet, Ltd. and Memjet Home and Office, Inc. He is a Certified Public Accountant. He earned a bachelor's degree in accounting from the University of North Texas.