Well-above-average business profile as a premier global chemical producer; Well-diversified product lines and end markets; Leadership positions in an extensive range of technologies; and Solid profitability supported by low-cost, efficient operations and significant research spending. Earnings affected by cyclical economic swings; Sizable unfunded postretirement liabilities; and Some exposure, although less than in prior years, to petrochemical feedstock costs and energy costs. The ratings reflect E.I. DuPont de Nemours&Co.'s status as one of the world's premier chemical producers, with sales approaching $27 billion and $37 billion of assets, and expectations that management will maintain prudent financial management practices. DuPont benefits from having a well-above-average business profile. Key business attributes include leading technology and cost positions in an exceptionally broad