1. E. I. DUPONT DE NEMOURS AND COMPANY AND CONSOLIDATED SUBSIDIARIES
ANNUAL PERFORMANCE RATIOS
Year Year Year Year Year
2007 2006 2005 2004 2003
Total stockholder return (6.4)% 18.1% (10.4)% 9.9% 11.5%
Dividend yield 3.4% 3.0% 3.4% 2.9% 3.1%
Share price (decrease) increase (9.5)% 14.6% (13.4)% 6.9% 8.2%
P/E on income (1) (2) 14 14 21 28 46
P/E on income before significant items (1) (2) 13 17 18 21 28
Dividend payout, as percentage of:
Earnings per share (1) 47.2% 43.8% 70.5% 79.1% 141.4%
Earnings per share before significant items (1) 46.3% 51.4% 62.4% 58.8% 84.3%
Return on average stockholders' equity (1) (3) 25.1% 30.2% 17.3% 15.0% 8.2%
Return on average stockholders' equity before significant items (1) (3) 25.6% 25.7% 19.6% 20.2% 14.1%
Return on average invested capital (1) (3) 15.9% 17.6% 11.1% 8.7% 5.2%
Return on average invested capital before significant items (1) (3) 16.2% 15.3% 12.4% 11.5% 8.0%
(4)
Cash provided by operating activities as a percentage of total debt 58.6% 49.6% 31.1% 49.8% 24.7%
Debt to total capital (4) 38.8% 43.3% 46.4% 34.2% 50.3%
Current ratio (4) 1.5 1.6 1.7 1.9 1.2
Asset turnover ratio 86% 86% 80% 77% 73%
(1) Ratio is based on income before cumulative effect of changes in accounting principles.
(2) Based on year-end share price
(3) Ratio is adjusted to reflect the exclusion of accumulated other comprehensive income.
(4) Ratio includes related assets and/or liabilities classified as held for sale within the Consolidated Balance Sheet.
Annual Performance Ratios 1

2. RECONCILIATION OF NON-GAAP MEASURES
(dollars in millions)
RECONCILIATION OF ROE - RETURN ON AVERAGE STOCKHOLDERS' EQUITY (1) 2007 2006 2005 2004 2003
Net income - 12 months ending December 31 $ 2,988 $ 3,148 $ 2,056 $ 1,780 $ 973
Cumulative effect of a change in accounting principle, net of income taxes - - - - 29
Remove: Significant items - charge/(benefit) (2) 55 (463) 276 613 667
Income before significant items and cumulative effect of changes in accounting principle $ 3,043 $ 2,685 $ 2,332 $ 2,393 $ 1,669
Average Stockholders' equity, excluding accumulated other comprehensive income $11,892 $10,437 $11,872 $11,844 $11,821
ROE 26% 26% 20% 20% 14%
RECONCILIATION OF ROIC - RETURN ON AVERAGE INVESTED CAPITAL(3)
Net income - 12 months ending December 31 $ 2,988 $3,148 $2,056 $ 1,780 $ 973
Significant items - charge/(benefit) (2) 55 (443) 276 631 650
Adjustments:
Cumulative effect of a change in accounting principle, net of income taxes - - - - 29
Minority interests in earnings (losses) of consolidated subsidiaries 7 (15) 37 (9) 71
Interest expense - after-tax 219 262 280 190 116
Income before significant items and adjustments for ROIC calculation $3,269 $2,952 $2,649 $2,592 $1,839
Sum average of:
Short-term / long-term borrowings and capital lease obligations $7,896 $8,397 $8,755 $9,843 $9,816
Minority interests 441 475 756 871 1,325
Stockholders' equity, excluding accumulated other comprehensive income 11,892 10,437 11,872 11,844 11,821
Average invested capital, excluding accumulated other comprehensive income $20,229 $19,309 $21,383 $22,558 $22,962
ROIC 16% 15% 12% 11% 8%
RECONCILIATION OF INTEREST COVERAGE RATIO
Total Interest on Borrowings (4) 396 424 351 270 286
Adjusted EBIT (excluding impact of significant items) 4,338 3,875 3,912 3,107 2,252
Interest Coverage Ratio 11.0 9.1 11.1 11.5 7.9
(1) ROE is determined by dividing previous 12 months of Net income before significant items by the average of stockholders' equity
(excluding accumulated other comprehensive income) position at end of previous 5 calendar quarters.
(2) Details of Significant items are provided in company's Quarterly Earnings News Releases.
(3) ROIC is adjusted to reflect the exclusion of accumulated other comprehensive income (AOCI). ROIC is determined by dividing
previous 12 months of Net Income before significant items and adjustments for ROIC calculation by the average of invested
capital position (excluding AOCI) at end of previous 5 calendar quarters.
(4) includes interest incurred less interest income
Annual Performance Ratios 2