2007 2008 2009 TREND DuPont Formula - ROE 13.30% 0.80% 12.70% -87.300% Profitability 2.90% 0.20% 2.80% -97.200% Efficiency 2.80% 2.60% 2.50% -97.500% Leverage 1.60% 1.80% 1.80% -98.200% ROE Check 13.30% 0.80% 12.70% -87.300% 2007 2008 2009 TREND DuPont Formula - ROE 13.30% 0.80% 12.70% -87.300% Profitability 2.90% 0.20% 2.80% -97.200% Efficiency 2.80% 2.60% 2.50% -97.500% Leverage 1.60% 1.80% 1.80% -98.200% ROE Check 13.30% 0.80% 12.70% -87.300%