W Thacher Brown

Mr. Brown was the Chairman, President and a director of 1838 Investment Advisors, LLC, an investment management company, from July 1988 until May 2004, President of MBIA Asset Management, LLC from 1998 until September 2004 and a director of MBIA Insurance Company from 1999 until September 2004. He is a director of the Rivus Bond Fund, The Harleysville Group, Inc. and The Harleysville Mutual Insurance Company, and was a Senior Vice President and a director of Drexel Burnham Lambert Incorporated for more than four years prior to 1988. Mr. Brown also serves as a member of the Board of Trustees of Eisenhower Fellowships, Inc., as a director of the Fox Chase Cancer Center and as a director of the Pennsylvania Horticultural Society. Mr. Brown has been an Airgas director since 1989.