DuPont Increases Second Quarter Dividend

WILMINGTON, Del.,  April 26, 2005  —  DuPont today declared a second quarter common stock dividend of 37 cents per share, payable June 11, to stockholders of record May 13. This dividend is an increase of two cents (5.7 percent) versus what was paid in the first quarter 2005. This is the 403^rd consecutive quarterly dividend since the company's first dividend in the fourth quarter of 1904.

"Increasing the dividend underscores our financial strength, our strong operating results, and confidence in our ability to successfully execute our three growth strategies and deliver superior results," said DuPont Chairman and Chief Executive Officer, Charles O. Holliday, Jr.

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 July 25, 2005, to stockholders of record July 8, 2005.

DuPont is a science 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, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

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04/26/05