The parent company of SNB is Southwest Bancorp, Inc. ("Southwest"). Organized in 1981, Southwest's focus is to provide a high level of quality customer service with a wide range of services, products and technology driven convenience in response to its customer's needs. Southwest maintains an intense focus on specific performance goals designed to increase shareholder value. Southwest is the bank holding company for:

• Stillwater National Bank & Trust Company ("Stillwater National," "SNB"), chartered in 1894, offers commercial and deposit services from offices in Stillwater, Tulsa, Oklahoma City and Chickasha, Oklahoma, as well as Frisco, Dallas, Austin and San Antonio, Texas.
  
  
• Bank of Kansas opened its doors for financial services in 1907. In late July, 2007 Southwest Bancorp, Inc. purchased and was approved for the state bank charter for Bank of Kansas. On June 19, 2009, the bank acquired the First National Bank of Anthony, Kansas in an FDIC-assisted transaction. The bank now boasts full service branches in: Hutchinson, South Hutchinson, Anthony, Harper, Mayfield, West Wichita, East Wichita and Overland Park, Kansas. It provides solutions for commercial and personal deposits as well as lending needs.
  
  

For complete information on Southwest Bancorp, Inc, please visit: www.oksb.com.