Historical prices for 2002 - current prices reflect 3 for 1 split effective May 23, 2006
Historical prices for 1986 - 2001 reflect 3 for 1 split effective May 15, 1998
Historical prices prior to and including 1985 do not reflect any share splits
1 December 20, 1951, rights issued, one share @ $29.50 for each 10 shares held
2 December 5, 1956, rights issued, one share @ $44.00 for each 20 shares held
3 January 16, 1969, four for one share split
4 June 12, 1980, rights issued, one share @ $33.00 for each 5 shares held
5 April 20, 1994, special dividend declared of $3.00 per share