The Board of Directors of Integral Systems, Inc., (Nasdaq: ISYS) has announced it has accepted the resignation of John B. Higginbotham as Chief Executive Officer, President, and as a member of the Board of Directors.

The Board has unanimously voted to appoint Paul G. Casner, a director of the Company, as Chief Executive Officer and President on an interim basis. All changes are effective immediately. "Under John's leadership, Integral Systems has achieved significant gains in compliance and governance, made key additions to the leadership team, and revitalized the business development function. We thank John for his leadership over the past year and wish him well in his future endeavors," said Jack Albertine, Chairman of Integral Systems' Board of Directors. "The Board of Directors and I have confidence in the strength of the management team driving our business and in the strength of our employees driving outstanding program execution," said Paul Casner, interim CEO. "Integral Systems is well-positioned for future growth and we are focused on realizing the market opportunities ahead." Mr. Casner brings more than 40 years of defense industry experience to Integral Systems. He joined the Board of Directors in 2006. Mr. Casner is the former Chief Operating Officer of DRS Technologies, Inc., and former CEO and President of Norden Service Company.