Attached files

file filename
EX-23 - EX-23 - SOUTHWEST BANCORP INCy90058exv23.htm
EX-21 - EX-21 - SOUTHWEST BANCORP INCy90058exv21.htm
EX-24 - EX-24 - SOUTHWEST BANCORP INCy90058exv24.htm
EX-31.A - EX-31.A - SOUTHWEST BANCORP INCy90058exv31wa.htm
EX-99.B - EX-99.B - SOUTHWEST BANCORP INCy90058exv99wb.htm
EX-32.A - EX-32.A - SOUTHWEST BANCORP INCy90058exv32wa.htm
EX-99.A - EX-99.A - SOUTHWEST BANCORP INCy90058exv99wa.htm
EX-31.B - EX-31.B - SOUTHWEST BANCORP INCy90058exv31wb.htm
10-K - FORM 10-K - SOUTHWEST BANCORP INCy90058e10vk.htm
Exhibit 32(b)
18 U.S.C. Section 1350 Certifications
I hereby certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-K of Southwest Bancorp, Inc. (“Southwest”) for the annual period ended December 31, 2010, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and that the information contained in this Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Southwest.
             
By:
  /s/ Laura Robertson       March 7, 2011
 
 
 
Laura Robertson
      Date
 
  Executive Vice President, Chief Financial        
 
  Officer        
 
  (Principal Financial Officer)        

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