ADVISORY, March 8, 2013 (GLOBE NEWSWIRE) -- What: Southwest Bancorp, Inc. [OKSB] ("Southwest"), the bank holding company for Stillwater National Bank and Trust Company and Bank of Kansas, will visit the NASDAQ MarketSite in Times Square. In honor of Southwest's 20 th anniversary with NASDAQ, Mark Funke, President and CEO, along with Russ Teubner, Chairman of the Board, and other members of the Executive Leadership Team will ring the Closing Bell. Where: NASDAQ MarketSite – 4 Times Square – 43 rd & Broadway – Broadcast Studio When: Monday, March 11, 2013 – 3:45 p.m. to 4:00 p.m. ET Contact : Nikki Schrock (405) 427-4297 NikkiSchrock@banksnb.com NASDAQ MarketSite: Jen Knapp (212) 401-8916 Jennifer.firstname.lastname@example.org Feed Information: Fiber Line (Encompass Waterfront): 4463 Gal 3C/06C 95.05 degrees West 18 mhz Lower DL 3811 Vertical FEC 3/4 SR 13.235 DR 18.295411 MOD 4:2:0 DVBS QPSK Facebook and Twitter: For multimedia features such as exclusive content, photo postings, status updates and video of bell ceremonies please visit our Facebook page at: http://www.facebook.com/NASDAQ . For news tweets, please visit our Twitter page at: http://twitter.com/nasdaqomx . Webcast: A live webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx . Photos: To obtain a hi-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice. About Southwest Bancorp, Inc. [OKSB]: Southwest is the bank holding company for Stillwater National Bank and Trust Company ("Stillwater National") and Bank of Kansas. Through its subsidiaries, Southwest offers commercial and consumer lending, deposit and investment services, specialized cash management, and other financial services from offices in Oklahoma, Texas, and Kansas, and on the Internet, through SNB DirectBanker®. We were organized in 1981 as the holding company for Stillwater National, which was chartered in 1894. At December 31, 2012, we had total assets of $2.1 billion, deposits of $1.7 billion, and shareholders' equity of $246.1 million.