BOK Financial Corp.

Developments relating to individual aspects of the business of BOK Financial are described below. Additional discussion of the Company’s activities during the current year appears within Item 7 "Management’s Discussion and Analysis of Financial Condition and Results of Operations." Description of Business BOK Financial is a financial holding company incorporated in the state of Oklahoma in 1990 whose activities are governed by the BHCA, as amended by the Financial Services Modernization Act or Gramm-Leach-Bliley Act and the Dodd-Frank Act. BOK Financial offers full service banking in Oklahoma, Texas, New Mexico, Northwest Arkansas, Colorado, Arizona, and Kansas/Missouri. At December 31, 2025, the Company reported total consolidated assets of $52 billion. BOKF, NA is a wholly owned subsidiary bank of BOK Financial. BOKF, NA operates TransFund and Cavanal Hill Investment Management. BOKF, NA operates banking divisions across eight states: Bank of Albuquerque, Bank of Oklahoma, Bank of Texas and BOK Financial in Arizona, Arkansas, Colorado, Kansas, and Missouri; as well as having limited purpose offices in Nebraska, Wisconsin, Connecticut, and Tennessee. Other wholly owned subsidiaries of BOK Financial include BOK Financial Securities, Inc., a broker/dealer that primarily engages in retail and institutional securities sales and municipal bond underwriting; and BOK Financial Private Wealth, Inc., an investment adviser to high net-worth clients. Other non-bank subsidiary operations do not have a significant effect on the Company’s financial statements.