ROMEOVILLE, Ill. - Nanophase Technologies Corp., Romeoville, Ill., a technology leader in nanomaterials and nanoengineered products, has been named for the second consecutive year to the prestigious Technology Fast 50 Program for Chicagoland, a ranking of the 50 fastest growing companies in the area by Deloitte & Touche LLP, one of the nations' leading professional services firms. Rankings are based on the percentage of growth in fiscal-year revenues over five years, from 1999-2003.

"We are pleased to be recognized by Deloitte and Touche as a technology leader," stated Joseph Cross, Nanophase's president and CEO. "Nanophase's current and future growth is driven by our relationship with our market partners (BASF, Altana, and Rohm & Haas Electronic Materials) and the company's focus on new markets and the development of new business opportunities. We expect future revenue growth during 2005-2006 as the partnerships continue to expand and new business opportunities culminate."

Nanophase Technologies,, provides nanoengineered solutions for multiple industrial-product applications. Using a platform of patented and proprietary integrated nanomaterial technologies, the company creates products with unique performance attributes from two ISO 9001:2000 facilities. Nanophase delivers commercial quantity and quality nanoparticles, coated nanoparticles, and nanoparticle dispersions in a variety of media. The company owns or licenses 25 U.S. patents and patent applications and 49 foreign patents and patent applications.