BOK Financial Corporation (BOKF) Chief Executive Officer to Ring the NASDAQ Stock Market Opening Bell

Company to Celebrate 16 Year Listing Anniversary On NASDAQ


ADVISORY, May 14, 2007 (PRIME NEWSWIRE) --



 What:
 Stan Lybarger, Chief Executive Officer of BOK Financial Corporation
 (BOKF), will preside over the opening bell to celebrate the
 Company's 16 year listing anniversary on NASDAQ.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Tuesday, May 15, 2007 at 9:30 a.m. ET

 Contacts:
 Jesse Boudiette, 918-588-6532
 jboudiette@bokf.com

 NASDAQ MarketSite:
 Jolene Libretto; 646.441.5220; mobile - 347.219.9539
 Jolene.Libretto@NASDAQ.com

Feed Information:

The opening bell is available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Radio Feed:

An audio transmission of the opening bell is also available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Waterfront fiber 1623 as well.

Webcast:

A live webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm.

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About BOK Financial Corporation (BOKF):

BOK Financial has assets of $18.1 billion, loans of $10.7 billion and deposits of $12.4 billion. The company owns seven bank subsidiaries with operations in eight states and more than 160 locations, offers wealth management services nationwide and owns TransFund, the nation's 10th largest electronic funds transfer (ATM) network.

BOK Financial is a regional financial services company that provides commercial and consumer banking, investment and trust services, mortgage origination and servicing, and an electronic funds transfer network. Holdings include Bank of Albuquerque, N.A., Bank of Arizona, N.A., Bank of Arkansas, N.A., Bank of Oklahoma, N.A., Bank of Texas, N.A., Bank of Kansas City, N.A., Colorado State Bank & Trust, N.A., BOSC, Inc., the TransFund electronic funds network, Southwest Trust Company, N.A. and AXIA Investment Management, Inc. Shares of BOK Financial are traded on the NASDAQ under the symbol BOKF. For more information, visit www.bokf.com.