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<div><a name="s12368d7825784895a7334674cc2978ea"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">UNITED STATES </font></div><div style="line-height:120%;text-align:center;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:13pt;"><font style="font-family:inherit;font-size:13pt;">Washington, DC 20549 </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">FORM 8-K </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">CURRENT REPORT </font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Date of Report (Date of earliest event reported): </font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">June 20, 2016</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Commission File No. 0-19341</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">BOK FINANCIAL CORPORATION</font></div><div style="line-height:120%;text-align:center;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(Exact name of registrant as specified in its charter)</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:91.40625%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:47%;"></td><td style="width:7%;"></td><td style="width:46%;"></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:53px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:53px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:53px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:53px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Oklahoma</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">73-1373454</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(State or other jurisdiction</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">of Incorporation or Organization)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(IRS Employer</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Identification No.)</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Bank of Oklahoma Tower</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">P.O. Box 2300</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Tulsa, Oklahoma</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">74192</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(Address of Principal Executive Offices)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(Zip Code)</font></div></td></tr><tr><td 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style="overflow:hidden;height:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">N/A</font></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(Former name or former address, if changes since last report) </font></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425). </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12). </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)). </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)). </font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">INFORMATION TO BE INCLUDED IN THE REPORT </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">ITEM 1.01  Entry into a Material Definitive Agreement</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-bottom:13px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On June 20, 2016, BOK Financial Corporation (the &#8220;Company&#8221;) entered into an underwriting agreement (the &#8220;Underwriting Agreement&#8221;) with </font><font style="font-family:inherit;font-size:10pt;color:#333333;">Morgan Stanley &amp; Co. LLC, as Manager </font><font style="font-family:inherit;font-size:10pt;">of the several Underwriters named therein (the "Underwriters"), relating to the offer and sale in an underwritten offering (the &#8220;Offering&#8221;) of $150,000,000 aggregate principal amount of the Company&#8217;s 5.375% Subordinated Notes due 2056 (the &#8220;Notes&#8221;). Interest on the Notes is payable quarterly on March 30, June 30, September 30 and December 30, commencing on September 30, 2016, and  the Notes will mature on June 30, 2056. The Offering is expected to close on June 27, 2016, subject to customary closing conditions. Net proceeds to the Company from the Offering are expected to be approximately $144.7 million. The Company expects to use the net proceeds from the Offering for general corporate purposes, including to fund a portion of the $102.5 million cash consideration payable to shareholders of MBT Bancshares upon the closing of the Company&#8217;s pending acquisition of MBT Bancshares.</font></div><div style="line-height:120%;padding-bottom:13px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company made certain customary representations, warranties and covenants in the Underwriting Agreement concerning the Company and its subsidiaries and the registration statement, prospectus, prospectus supplements and other documents and filings relating to the offering of the Notes. In addition, the Company has agreed to indemnify the Underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended. The foregoing description of the Underwriting Agreement is qualified in its entirety by reference to that agreement, a copy of which is filed as Exhibit 1.1 to this report and is incorporated herein by reference.</font></div><div style="line-height:120%;padding-bottom:13px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The&#160;offering was made pursuant to the Company's effective registration statement on Form S-3 (File No. 333-212120) previously filed with the SEC, including the prospectus contained therein, and the preliminary prospectus supplement, free writing prospectusand the final prospectus supplement, each dated June 20, 2016 and filed by the Company with the Securities and Exchange Commission.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">ITEM 9.01. </font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;</font><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Financial Statements and Exhibits.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">(a) Exhibits </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:93.359375%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:10%;"></td><td style="width:90%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">1.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#0000ff;text-decoration:underline;">Underwriting Agreement, dated June 20, 2016, between the Company and Morgan Stanley &amp; Co. LLC as Manager of the several Underwriters.</font></div><div style="text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">&#160;</font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Signature </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:288px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">BOK FINANCIAL CORPORATION</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">By: </font><font style="font-family:inherit;font-size:11pt;text-decoration:underline;">/s/ Steven E. Nell&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;                                          &#160;</font><font style="font-family:inherit;font-size:11pt;">&#32;</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Name:    Steven E. Nell</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Title: </font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;</font><font style="font-family:inherit;font-size:11pt;">Executive Vice President and Chief Financial Officer</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Date: June 24, 2016</font></div><div style="line-height:120%;padding-bottom:13px;padding-top:13px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-bottom:13px;padding-top:13px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-bottom:13px;padding-top:13px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;padding-bottom:13px;padding-top:13px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">EXHIBIT INDEX</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:91.2109375%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:8%;"></td><td style="width:16%;"></td><td style="width:76%;"></td></tr><tr><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Exhibit</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">No.</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-bottom:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;color:#0000ff;text-decoration:underline;">Underwriting Agreement, dated June 20, 2016, between the Company and Morgan Stanley &amp; Co. LLC as Manager of the several Underwriters.</font></div><div style="padding-bottom:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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Document
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
June 20, 2016
Commission File No. 0-19341
BOK FINANCIAL CORPORATION
(Exact name of registrant as specified in its charter)
Oklahoma
73-1373454
(State or other jurisdiction
of Incorporation or Organization)
(IRS Employer
Identification No.)
Bank of Oklahoma Tower
P.O. Box 2300
Tulsa, Oklahoma
74192
(Address of Principal Executive Offices)
(Zip Code)
(918) 588-6000
(Registrant's telephone number, including area code)
N/A
(Former name or former address, if changes since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).
|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).
|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).
|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).
INFORMATION TO BE INCLUDED IN THE REPORT
ITEM 1.01  Entry into a Material Definitive Agreement
On June 20, 2016, BOK Financial Corporation (the "Company") entered into an underwriting agreement (the "Underwriting Agreement") with
Morgan Stanley & Co. LLC, as Manager
of the several Underwriters named therein (the "Underwriters"), relating to the offer and sale in an underwritten offering (the "Offering") of $150,000,000 aggregate principal amount of the Company's 5.375% Subordinated Notes due 2056 (the "Notes"). Interest on the Notes is payable quarterly on March 30, June 30, September 30 and December 30, commencing on September 30, 2016, and  the Notes will mature on June 30, 2056. The Offering is expected to close on June 27, 2016, subject to customary closing conditions. Net proceeds to the Company from the Offering are expected to be approximately $144.7 million. The Company expects to use the net proceeds from the Offering for general corporate purposes, including to fund a portion of the $102.5 million cash consideration payable to shareholders of MBT Bancshares upon the closing of the Company's pending acquisition of MBT Bancshares.
The Company made certain customary representations, warranties and covenants in the Underwriting Agreement concerning the Company and its subsidiaries and the registration statement, prospectus, prospectus supplements and other documents and filings relating to the offering of the Notes. In addition, the Company has agreed to indemnify the Underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended. The foregoing description of the Underwriting Agreement is qualified in its entirety by reference to that agreement, a copy of which is filed as Exhibit 1.1 to this report and is incorporated herein by reference.
The offering was made pursuant to the Company's effective registration statement on Form S-3 (File No. 333-212120) previously filed with the SEC, including the prospectus contained therein, and the preliminary prospectus supplement, free writing prospectusand the final prospectus supplement, each dated June 20, 2016 and filed by the Company with the Securities and Exchange Commission.
ITEM 9.01.
Financial Statements and Exhibits.
(a) Exhibits
1.1
Underwriting Agreement, dated June 20, 2016, between the Company and Morgan Stanley & Co. LLC as Manager of the several Underwriters.
Signature
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
BOK FINANCIAL CORPORATION
By:
/s/ Steven E. Nell
Name:    Steven E. Nell
Title:
Executive Vice President and Chief Financial Officer
Date: June 24, 2016
EXHIBIT INDEX
Exhibit
No.
1.1
Underwriting Agreement, dated June 20, 2016, between the Company and Morgan Stanley & Co. LLC as Manager of the several Underwriters.