Wilmington, Del., October 23, 2007 - DuPont today announced that its Board of Directors has approved an 11 percent increase in the company’s quarterly cash dividend.

The dividend will increase from $0.37 to $0.41 per share for fourth quarter common stock, payable Dec. 14, to stockholders of record Nov. 15. This is the 413th consecutive quarterly dividend since the company’s first dividend in the fourth quarter of 1904.

“DuPont’s financial strength has enabled the company to invest in compelling growth opportunities, while continuing to reward our shareholders,” DuPont Executive Vice President and Chief Financial Officer Jeffrey L. Keefer said. “This dividend increase underscores our confidence in delivering both earnings growth and cash generation for our shareholders.”

Regular quarterly dividends of $1.12-1/2 per share on the $4.50 series preferred stock and 87-1/2 cents per share on the $3.50 series preferred stock also were declared, both payable Jan. 25, 2008, to stockholders of record Jan. 10, 2008.

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.

10/23/07