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News ReleaseDuPont Air Products Nanomaterials L.L.C. to Expand its Global Electronics Portfolio

April 27, 2004 Lehigh Valley, Pa.

DuPont Air Products NanoMaterials L.L.C. (DA NanoMaterials), a 50/50 joint venture of DuPont and Air Products, today announced that it is expanding its electronic polishing and planarization business. Each parent company will be adding newly acquired Chemical Mechanical Planarization (CMP) slurry businesses to the DA NanoMaterials portfolio. The expansion strengthens the joint venture's product portfolio and creates a more substantial presence in the semiconductor industry.

Air Products will contribute the slurry technologies acquired during the purchase of the Electronic Chemicals business of the Ashland Specialty Chemical Company in August 2003, and DuPont will contribute the slurry technologies of EKC Technology, a high performance chemical supplier that it purchased as a part of ChemFirst in 2002 and added to its Electronic Technologies business unit.

The expansion will add critical mass to the joint venture while strengthening a growing portfolio of products for electronic polishing and planarization applications. Floyd McClung will serve as chief executive officer of the expanded venture, which now will offer a wider range of abrasives, extended surfactant chemistries and novel slurry chemistries.

"By offering a more comprehensive product portfolio along with additional technical capabilities, DA NanoMaterials is best positioned to serve a growing market," says Jerry Ermentrout, vice president and general manager, Electronics Division, Air Products. "That expanded scope and breadth of services directly translates into tangible benefits for our global customers. It's a move that demonstrates how we're committed to providing DA NanoMaterials with the resources and scalability to move ahead.

"This expansion combines three dynamic groups with a history of innovation, technical excellence and real potential to influence how technology starts, with materials designed to help customers meet today's business and technical challenges," adds David B. Miller, vice president and general manager for DuPont Electronic Technologies.

DA NanoMaterials ( was formed in 2000 to combine the success of DuPont Electronic Technologies in developing and manufacturing colloidal silica sols and particles for electronic polishing applications with Air Product's infrastructure, new product capabilities and global supply of electronic gases and chemicals into the semiconductor manufacturing market. The expanded organization will be headquartered in Tempe, Arizona, where the venture will operate a state-of-the-art applications and formulation laboratory. The expanded joint venture will provide enhanced global technical support that will include additional tool platforms and critical metrology. The manufacturing and supply chains DA NanoMaterials customers have utilized since 2000 will continue, as will access to the extensive analytical and research capabilities of the parent companies.

About Air Products

Air Products (NYSE:APD) serves customers in technology, energy, healthcare and industrial markets worldwide with a unique portfolio of products, services and solutions, providing atmospheric gases, process and specialty gases, performance materials and chemical intermediates. Founded in 1940, Air Products has built leading positions in key growth markets such as semiconductor materials, refinery hydrogen, home healthcare services, natural gas liquefaction, and advanced coatings and adhesives. The company is recognized for its innovative culture, operational excellence and commitment to safety and the environment. With annual revenues of $6.3 billion and operations in over 30 countries, the company's 18,500 employees build lasting relationships with their customers and communities based on understanding, integrity and passion. For more information, visit  

About DuPont

DuPont Electronic Technologies is a leading supplier of electronic materials, including circuit materials, semiconductor fabrication materials, integrated circuit packaging and interconnects, and materials for displays. For further information, please visit DuPont is a science company. Founded in 1802, DuPont puts science to work by solving problems and creating solutions that make people's lives better, safer and easier. Operating in more than 70 countries, the company offers a wide range of products and services to markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

DuPont Electronic Technologies Contact: 
Ellen Pressley
Tel: (919) 248-5598

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