NOTICE OF CHANGE IN CONTROL Adam Duston Rainbolt Trust I, dated December 31, 1996, Oklahoma City, Oklahoma, Jacob Patrick Rainbolt Trust I, dated December 31, 1996, Oklahoma City, Oklahoma, Samuel Johnson Rainbolt Trust I, dated December 31, 1996, Oklahoma City, Oklahoma, and trustee and trust supervisor David E. Rainbolt, Oklahoma City, Oklahoma, and trust supervisor Dana Kim Rainbolt, Oklahoma City, Oklahoma, of the aforementioned trusts; Dana Kim Rainbolt Revocable Trust, dated February 25, 2022, Oklahoma City, Oklahoma, co-trustees and trust supervisors David E. Rainbolt and Dana Kim Rainbolt, and trust supervisors Samuel Johnson Rainbolt, Oklahoma City, Oklahoma, and Jacob Patrick Rainbolt, Oklahoma City, Oklahoma, intend to apply to the Federal Reserve Board for permission to retain shares and join the Rainbolt Family Control Group, a group acting in concert, that owns 25% or more of the voting shares and thereby control of BancFirst Corporation, Oklahoma City, Oklahoma. David E. Rainbolt has previously been permitted by the Federal Reserve System to acquire control of 25% or more of the voting shares of BancFirst Corporation and is a member of the Rainbolt Family Control Group. BancFirst Corporation controls BancFirst, Oklahoma City, Oklahoma; Pegasus Bank, Dallas, Texas; Worthington Bank, Arlington, Texas; and American Bank of Oklahoma, Collinsville, Oklahoma. The Federal Reserve considers a number of factors in deciding whether to approve the notice. You are invited to submit comments in writing on an application filed with the Federal Reserve Bank of Kansas City electronically to KCApplicationComments@kc.frb.org or in hard copy to: Jeff Imgarten, Assistant Vice President, Federal Reserve Bank of Kansas City, One Memorial Drive, Kansas City, Missouri 64198. The comment period will not end before January 7, 2026 and may be somewhat longer. The Board's procedures for processing applications may be found at 12 C.F.R. Part 262.25. The Federal Reserve will consider your comments if they are received in writing by the Reserve Bank on or before the last day of the comment period. LPXLP December 18 2025 LOKL0424274