X0306 4 2021-01-08 0 0000875357 BOK FINANCIAL CORP BOKF 0001248965 MORROW JOHN C C/O FREDERIC DORWART 124 E FOURTH STREET TULSA OK 74103 0 1 0 0 Director-Financial Accounting Common Stock 2021-01-08 4 A 0 791 0 A 13961 D Represents restricted stock which vests 3 years from the date of grant. Shares are subject to forfeiture (i) upon termination of employment prior to vesting, and (ii) if certain performance earnings per share targets established pursuant to BOKF Executive Incentive Plan are not met. /s/ Frederic Dorwart, Power of Attorney 2021-01-12