Cardinal Bank to Open First Banking Office in Maryland

Business Wire, May 30, 2006

TYSONS CORNER, Va. -- Cardinal Bank is pleased to announce that it plans to open a banking office at 7315 Wisconsin Avenue in Bethesda, Maryland 20814. The office is located in the Air Rights Center at the corner of Waverly Street and Wisconsin Avenue in the heart of downtown Bethesda. It will be Cardinal Bank's first community banking location in Montgomery County, Maryland and 24th office in its footprint. The anticipated opening date is third quarter, 2006.

"We are excited open our first office in Maryland and to expand Cardinal's franchise to 24 locations," said Bernard H. Clineburg, Chairman and CEO of Cardinal Financial Corporation. "We are committed to providing superior service and access for businesses and individuals across the region."

About Cardinal Financial Corporation: Cardinal Financial Corporation is a financial holding company headquartered in Tysons Corner, Virginia. On March 31, 2006, Cardinal Financial Corporation had assets of $1.48 billion. Through its wholly-owned subsidiary, Cardinal Bank, the Company serves the Washington Metropolitan region with 23 conveniently located banking offices in Alexandria, Annandale, Arlington, Chantilly, Clifton, Fairfax City, Fredericksburg, Herndon, Leesburg, Manassas, McLean, Purcellville, Reston, Stafford, Sterling, Sterling Park, K Street in Washington, D.C. and two locations each in Fairfax, Tysons Corner and Woodbridge. Cardinal also operates three other subsidiaries: a residential mortgage lending company, George Mason Mortgage, LLC, based in Fairfax, with nine offices throughout the Washington Metropolitan region; a full-service investment services company, Cardinal Wealth Services, Inc., and an asset management company, Wilson Bennett Capital Management, Inc. The company's stock is traded on the NASDAQ (CFNL). For additional information please visit our Web site at www.cardinalbank.com.