DuPont today announced the following leadership changes:

• Sam W. Severance, 58, vice president and general manager - DuPont Titanium Technologies, will retire from the company in early 2006 following 35 years of service.

• Richard C. Olson, 49, vice president and general manager - DuPont Surfaces, is named vice president and general manager designate - DuPont Titanium Technologies, effective Oct. 17.  Olson will transition with Severance until his retirement.

• Mark P. Vergnano, 47, vice president and general manager - DuPont Nonwovens, is named vice president and general manager - DuPont Surfaces and Building Innovations, effective Oct. 17.  Building Innovations is a business unit focused on aggressively driving growth in new home construction and remodeling through both commercial and retail channels.

• Matthew L. Trerotola, 38, business director, industrial solutions - DuPont Chemical Solutions Enterprise, is named vice president and general manager - DuPont Nonwovens, effective Oct. 17.

Complete bios and photos are available on the web at:  http://www2.dupont.com/Our_Company/en_US/executives/index.html.

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.

10/11/05