X0508 4 2024-01-08 0 0000875357 BOK FINANCIAL CORP BOKF 0001398210 Grunst Martin E C/O FREDERIC DORWART, LAWYERS PLLC 124 EAST FOURTH STREET TULSA OK 74103 0 1 0 0 EVP, CFO 0 Common Stock 2024-01-08 4 F 0 177.54 85.16 D 31419.46 D Common Stock 2024-01-08 4 D 0 1522.46 D 29897 D Phantom Stock 2024-01-08 4 A 0 1522.46 A Common Stock 1522.46 9574.4259 D The reporting person elected to defer receipt of 1,700 shares of common stock issuable upon the exercise of stock options. 177.54 of the deferred shares were used to pay the exercise price and taxes on the options. The reporting person elected to diversify the 1,522.46 shares of BOKF phantom stock remaining after payment of the exercise price and taxes to alternative investments. Each share of phantom stock represents a right to receive one share of common stock, or at the Company's election, the cash value thereof. The phantom stock becomes payable upon the reporting person's termination of employment with the Company. Includes 204.498 shares of BOKF phantom stock acquired under a BOKF dividend reinvestment plan since the date of the reporting person's last ownership report. /s/ Tamara Sloan, Power of Attorney 2024-01-10