BOK Financial Corporation Announces Date of Fourth Quarter 2021 Results Conference Call |

TULSA, Oklahoma, January 03, 2022 (GLOBE NEWSWIRE) – BOK Financial Corporation (NASDAQ: BOKF) has announced that fourth quarter 2021 financial results will be released before market opens on Wednesday January 19, 2022. The Company will hold a conference call at 9 a.m. central time that morning to discuss financial results with investors.

The live audio webcast and presentation slides will be available on the company’s investor relations website. The conference call is also accessible by dialing the free number 1.877.407.4018 or 1.201.689.8471. A replay of the webcast will be available shortly after the conclusion of the live call on the company’s investor relations website or by dialing 1.844.512.2921 and referencing replay PIN 13725961.

About BOK Financial Corporation BOK Financial Corporation is a $ 47 billion regional financial services company based in Tulsa, Oklahoma, with $ 99 billion in assets under management and administration. The company’s shares are listed on the NASDAQ under the Global Select Market Lists (BOKF). BOK Financial Corporation’s holdings include BOKF, NA; BOK Financial Securities, Inc .; BOK Financial Private Wealth, Inc .; and BOK Financial Insurance, Inc. The holdings of BOKF, NA include TransFund, Cavanal Hill Investment Management, Inc. and BOK Financial Asset Management, Inc. BOKF, NA operates banking divisions in eight states such as: Bank of Albuquerque; Bank of Oklahoma; Bank of Texas; and BOK Financial in Arizona, Arkansas, Colorado, Kansas and Missouri; as well as having limited-use offices in Nebraska, Wisconsin and Connecticut. Through its subsidiaries, BOK Financial Corporation provides commercial and consumer banking, brokerage, investment, trust and insurance services, mortgage origination and management services, as well as than an electronic funds transfer network. For more information, visit www.bokf.com.

Contact: Sue Hermann Director, Corporate Communications 303-312-3488

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Michael P. Boser