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<html><head><title>Prepared and Filed by St Ives Financial</title>
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<P align=center><FONT face=serif size=2><B><FONT face=serif size=5>UNITED
STATES<BR>SECURITIES AND EXCHANGE COMMISSION</FONT></B><BR><B>WASHINGTON, D.C.
20549</B></FONT></P>
<P align=center><B><FONT face=serif size=5>FORM 8-K</FONT></B></P>
<P align=center><FONT face=serif size=2>CURRENT REPORT </FONT></P>
<P align=center><FONT face=serif size=2>PURSUANT TO SECTION 13 OR 15 (d) OF THE
SECURITIES EXCHANGE ACT OF 1934</FONT></P>
<P align=center><FONT face=serif size=2>DATE OF REPORT (DATE OF EARLIEST EVENT
REPORTED):&nbsp;<B> May 25, 2006</B></FONT></P>
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    <TD align=left width="10%"><FONT face=serif size=2>&nbsp;</FONT></TD>
    <TD align=middle><FONT face=serif size=2><B><FONT face=serif
      size=5>Southwest Bancorp, Inc.</FONT></B></FONT></TD>
    <TD align=left width="10%"><FONT face=serif size=2>&nbsp;</FONT></TD></TR>
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    <TD align=left width="10%"><FONT face=serif size=2>&nbsp;</FONT></TD>
    <TD align=middle><FONT face=serif size=2>(Exact name of registrant as
      specified in its charter) </FONT></TD>

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  size=2>&nbsp;</FONT></TD></TR></TABLE>
<P align=center><FONT face=serif size=2>COMMISSION FILE
NUMBER<B>:&nbsp;&nbsp;</B><B><U></U></B></FONT></P>
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    size=2><B>OK</B></FONT></TD>
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      size=2><B></B></FONT></TD>
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    <TD align=middle width="35%"><FONT face=serif size=2>(State or other
      jurisdiction of incorporation or organization)</FONT></TD>
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    <TD align=middle width="35%"><FONT face=serif size=2>(I.R.S. Employer
      Identification No.)</FONT></TD>
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      size=2><B>608 South Main Street<BR><BR>Stillwater, OK 74074</B></FONT></TD>
    <TD align=left width="10%">&nbsp;</TD></TR>

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    <TD align=left width="10%">&nbsp;</TD>
    <TD align=middle><FONT face=serif size=2>(Address and zip code of
      principal executive offices)</FONT></TD>

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    <TD align=middle><FONT face=serif size=2><B>405-372-2230</B></FONT></TD>

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    <TD align=left width="10%">&nbsp;</TD>

    <TD align=middle><FONT face=serif size=2>(Registrant's telephone number,
      including area code)</FONT></TD>
    <TD align=left width="10%">&nbsp;</TD></TR></TABLE>
<P>&nbsp;</P>
<P align=left><FONT face=serif size=2>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></P>
<DIV style="TEXT-INDENT: 3%">
<P align=left><FONT face=serif size=2><img src="emptybox.gif" border="0" width="12" height="12"> Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)</FONT></P>
<P align=left><FONT face=serif size=2><img src="emptybox.gif" border="0" width="12" height="12"> Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)</FONT></P>
<P align=left><FONT face=serif size=2><img src="emptybox.gif" border="0" width="12" height="12">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))</FONT></P>
<P align=left><FONT face=serif size=2><img src="emptybox.gif" border="0" width="12" height="12">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act
(17 CFR 240.13e-4(c))</FONT></P></DIV>
<P align=center><FONT face=serif size=2>1 of 2 </FONT></P>
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<TD align=left width="11%"><FONT face=serif size=2><B>Item
5.02</B></FONT></TD>
<TD align=left><FONT face=serif size=2><B>DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF PRINCIPAL OFFICERS</B></FONT></TD></TR>
<TR vAlign=top>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD></TR></table>
Southwest Bancorp, Inc.  is pleased to announce that James M. Johnson was appointed as a director of the Company on May 25, 2006, for a term expiring at the 2008 annual meeting of shareholders. Mr. Johnson, an MBA, is a self-employed small business owner. He previously served for fourteen years as a supervisory agent, financial analyst, and examiner of financial institutions with the federal Office of Thrift Supervision and its predecessor. Mr. Johnson also has been appointed to the audit committee of the Board of Directors and as a director of  the Company's wholly owned subsidiary, Stillwater National Bank and Trust Company. Mr. Johnson is 47 years old and is a resident of Marietta, Georgia.

There are no relationships or transactions with respect to Mr. Johnson of the type required to be reported pursuant to Item 404(a) of the Commission's Regulation S-K.

<p>&nbsp;</p>
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<TD align=left width="11%"><FONT face=serif size=2><B>Item
7.01</B></FONT></TD>
<TD align=left><FONT face=serif size=2><B>REGULATION FD DISCLOSURE</B></FONT></TD></TR>
<TR vAlign=top>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD></TR></table>
Exhibit 99 with respect to the declaration of a cash dividend on shares of the common stock of Southwest Bancorp, Inc. is incorporated herein by reference.
<p>&nbsp;</p>
<P align=center><FONT face=serif size=2><B>SIGNATURE</B></FONT></P>
<DIV style="TEXT-INDENT: 3%">
<P align=left><FONT face=serif size=2>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></P></DIV>
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    <TD align=left colSpan=2><FONT face=serif size=2>Southwest Bancorp, Inc.</FONT></TD></TR>
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    <TD align=left width="10%"><FONT face=serif size=2>By:</FONT></TD>
    <TD align=left><FONT face=serif size=2>/s/ Rick Green</FONT></TD></TR>
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    <TD align=left width="10%"><FONT face=serif size=2>Name:</FONT></TD>
    <TD align=left><FONT face=serif size=2>Rick Green</FONT></TD></TR>
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    <TD align=left width="2%"></TD>
    <TD align=left width="10%"><FONT face=serif size=2>Title:</FONT></TD>
    <TD align=left><FONT face=serif size=2>President and CEO</FONT></TD></TR>
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    <TD align=left width="10%"><FONT face=serif size=2>Date:</FONT></TD>
    <TD align=left><FONT face=serif size=2>Tuesday, May 30, 2006</FONT></TD></TR>
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    <TD align=left>&nbsp;</TD>
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{"company-data": {"conformed-name": "SOUTHWEST BANCORP INC", "cik": "0000914374", "assigned-sic": "6021", "irs-number": "731136584", "state-of-incorporation": "OK", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-23064", "film-number": "06873229"}, "business-address": {"street1": "608 SOUTH MAIN STREET", "city": "STILLWATER", "state": "OK", "zip": "74074", "phone": "4053722230"}, "mail-address": {"street1": "608 SOUTH MAIN STREET", "city": "STILLWATER", "state": "OK", "zip": "74074"}}
Prepared and Filed by St Ives Financial
UNITED
STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.
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):
May 25, 2006
Southwest Bancorp, Inc.
(Exact name of registrant as
      specified in its charter)
COMMISSION FILE
NUMBER
:
OK
(State or other
      jurisdiction of incorporation or organization)
(I.R.S. Employer
      Identification No.)
608 South Main Street
Stillwater, OK 74074
(Address and zip code of
      principal executive offices)
405-372-2230
(Registrant's telephone number,
      including area code)
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))
1 of 2
Item
5.02
DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF PRINCIPAL OFFICERS
Southwest Bancorp, Inc.  is pleased to announce that James M. Johnson was appointed as a director of the Company on May 25, 2006, for a term expiring at the 2008 annual meeting of shareholders. Mr. Johnson, an MBA, is a self-employed small business owner. He previously served for fourteen years as a supervisory agent, financial analyst, and examiner of financial institutions with the federal Office of Thrift Supervision and its predecessor. Mr. Johnson also has been appointed to the audit committee of the Board of Directors and as a director of  the Company's wholly owned subsidiary, Stillwater National Bank and Trust Company. Mr. Johnson is 47 years old and is a resident of Marietta, Georgia.

There are no relationships or transactions with respect to Mr. Johnson of the type required to be reported pursuant to Item 404(a) of the Commission's Regulation S-K.
Item
7.01
REGULATION FD DISCLOSURE
Exhibit 99 with respect to the declaration of a cash dividend on shares of the common stock of Southwest Bancorp, Inc. is incorporated herein by reference.
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.
Southwest Bancorp, Inc.
By:
/s/ Rick Green
Name:
Rick Green
Title:
President and CEO
Date:
Tuesday, May 30, 2006