n appenclx appendix: exposure analysis' historical exposure analysis Jan Feb 2005 Gross 2005 Net Mar Apr May Jun Jul Aug Sep Oct Nov Cectron a SAC Dec Average 148.3% 147.2% 179.1% 211.8% 171.6% 27.1% 26.3% 19.2% 28.8% 25.4% 2006 Gross 189.9' 196.2% 197.2% 178.4' 200.6°.