X0202 4 2005-08-31 1 0000854098 CHESTER VALLEY BANCORP INC CVAL 0001236430 WRIGHT WILLIAM M 100 EAST LANCASTER AVENUE DOWNINGTOWN PA 19335 1 0 0 0 Common Stock 2005-08-31 4 D 0 28184 27.90 D 0 D Stock Option 15.22 2005-08-31 4 D 0 6332 12.68 D 1998-07-01 2008-07-01 common stock 6332 0 D Stock Option 11.99 2005-08-31 4 D 0 2432 15.91 D 2001-09-18 2011-09-18 common stock 2432 0 D Stock Option 13.71 2005-08-31 4 D 0 5789 14.19 D 2002-06-19 2012-06-19 common stock 5789 0 D Stock Option 19.03 2005-08-31 4 D 0 2757 8.87 D 2003-06-30 2013-06-30 common stock 2757 0 D Stock Option 12.64 2005-08-31 4 D 0 8041 15.26 D 1999-07-21 2009-07-21 common stock 8041 0 D Pursuant to the Agreement and Plan of Merger between the Issuer and Willow Grove Bancorp, Inc., (i) each share of common stock in the Issuer is converted into $27.90 in cash or, at the holder's election, 1.4823 shares of Willow Grove common stock, subject to an apportionment procedure the result of which will not be known until ten (10) days after the merger; and (ii) each outstanding option to purchase Chester Valley common stock is cancelled in exchange for a cash payment equal to $27.90 per share minus the exercise price per share, or, at the option holder's election, converted into an option to purchase Willow Grove common stock (with appropriate adjustments to the number of shares and exercise price as set forth in the Agreement and Plan of Merger). Exercise prices are rounded to nearest cent; number of derivative securities is rounded up to nearest whole number. *Attorney-in-Fact; POA on file William M. Wright By Michael J. Sexton* 2005-09-06