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.knapp@nasdaqomx.com

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.

About NASDAQ OMX Group:

The inventor of the electronic exchange, The NASDAQ OMX Group, Inc., fuels economies and provides transformative technologies for the entire lifecycle of a trade - from risk management to trade to surveillance to clearing. In the U.S. and Europe, we own and operate 26 markets including 3 clearinghouses and 5 central securities depositories supporting equities, options, fixed income, derivatives, commodities, futures and structured products. Able to process more than 1 million messages per second at sub-55 microsecond average speeds with 99.99% uptime, our technology drives more than 70 marketplaces in 50 developed and emerging countries into the future, powering 1 in 10 of the world's securities transactions. Our award-winning data products and worldwide indexes are the benchmarks in the financial industry. Home to approximately 3,300 listed companies worth $6 trillion in market cap whose innovations shape our world, we give the ideas of tomorrow access to capital today. Welcome to where the world takes a big leap forward, daily. Welcome to the NASDAQ OMX Century. To learn more, visit www.nasdaqomx.com. Follow us on Facebook (http://www.facebook.com/NASDAQ) and Twitter (http://www.twitter.com/nasdaqomx). (Symbol: NDAQ and member of S&P 500)

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