Oklahoma 000-19341 73-1373454
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(State or other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)
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(c)
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Exhibits
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99(a)
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Text of Press Release, dated October 26, 2011 titled “BOK Financial Reports Record Quarterly Earnings of $85 Million – Board Approves Dividend Increase”
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99(b)
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Financial Information for the Three and Nine Months Ended September 30, 2011
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