X0508 4 2024-12-11 0 0000875357 BOK FINANCIAL CORP BOKF 0001163432 KAISER GEORGE B C/O FREDERIC DORWART, LAWYERS PLLC 124 EAST FOURTH STREET TULSA OK 74103 1 0 1 0 0 Common Stock 2024-12-11 4 G 0 7700 0 D 37974900 D Common Stock 11974 I by spouse Gift to GBK BOKF Stock Foundation. Mr. Kaiser disclaims beneficial ownership of these shares and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of these shares for purposes of Section 16 or for any other purpose. /s/ Tamara Sloan, Power of Attorney 2024-12-13