YEAR XXX COMPANY YYY COMPANY

31-Dec-90 75 129.631-Dec-91 86.25 11031-Dec-92 112.6 160.431-Dec-93 85 89.631-Dec-94 34.5 4531-Dec-95 66.9 7831-Dec-96 78 98.731-Dec-97 122.7 108.7

SHARE RETURN

XXX COMPANY YYY COMPANY31-Dec-90 75 129.631-Dec-91 86.25 15.00% 110 -15.12%31-Dec-92 112.6 30.55% 160.4 45.82%31-Dec-93 85 -24.51% 89.6 -44.14%31-Dec-94 34.5 -59.41% 45 -49.78%31-Dec-95 66.9 93.91% 78 73.33%31-Dec-96 78 16.59% 98.7 26.54%31-Dec-97 122.7 57.31% 108.7 10.13%

MEAN 18.49% 6.68%Varinace 0.2182072915163 0.180373STD DEV 0.4671266332765 0.424704