Transfer Agent and Registrar Corporate Headquarters Shareholder Information Independent Auditors Legal Counsel Common Shares: Market Makers: Copies of BOK Financial Corporation's Annual Report to Shareholders, Quarterly Reports and Form 10-K to the Securities and Exchange Commission are available without charge upon written request. Analysts, shareholders and other investors seeking financial information about. BOK Financial Corporation are invited to contact James FE Ulrich, Senior Vice President, Investor Relations, (918) 588-6752: Information about BOK Financial is also readily available at our website: www.bokf.com Send Certificates for Transfer and Address Changes to: Receive and Deliver Department -:17W P.O. Box 11002 Church Street Station New York, NY 10286 Address Sharehoider inquiries to: Shareholder Relations: Department-147E P.0. Box 11258 Church Street Station New York, NY 10286 E-Mail Address: Shareowner-sves@email.bony.com The Bank of New York (800) 524-4458 Bank of Oklahoma Tower PO. Box 2300 Tulsa, Oklahoma 74182 (918) 588-6000 Ernst & Young LLP 3900 One Williams Center Tulsa, Oklahoma 74172 (918) 560-3600 Frederic Dorwart Lawyers Old City Hall 124 E. Fourth St. Tulsa, Oklahoma 74103-5010 (918) 583-9922 Traded NASDAG National Market NASDAQ Symbol: BOKF Number of common shareholders of record at December 31, 2001: 1,077 CIBC World Markets Corp. Herzog, Heine, Geduld, Inc. Howe Barnes Investments Keefe Bruyette & Woods Knight Securities LP Salomon Smith Barney Schwab Capital: Markets Sherwood Securities Southwest Securities, Inc. Spear, Leeds & Kellogg Stephens, Inc.