Nanophase Announces First Quarter 2010 Investor Conference Call

Romeoville, IL, - April 23, 2010 - Nanophase Technologies Corporation (Nasdaq: NANX), a technology leader in nanomaterials and advanced nanoengineered products, today announced the Company will disseminate a financial news release for the first quarter of 2010 on April 28, 2010, at 3:00 p.m. CDT, 4:00 p.m. EDT. The news release will be followed by the year end financial conference call at 4:00 p.m. CDT, 5:00 p.m. EDT. 

The Nanophase conference call, to be hosted by Jess Jankowski, the Company’s President & CEO, is scheduled for April 28, 2010, at 4:00 p.m. CDT, 5:00 p.m. EDT. The conference call dial-in number for U.S. callers is 877-312-8776 and for international callers is 408-774-4007.  The conference ID is 71519249.  Please dial in to the conference at least five minutes before the call is scheduled to begin.

www.nanophase.com, by clicking on the link under NewsCenter and Calendar of Events to listen to a webcast of the event.

Nanophase Technologies Corporation (NANX), www.nanophase.com, is a leader in nanomaterials technologies and provides nanoengineered products and 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 and ISO 14001 facilities. Nanophase delivers commercial quantity and quality nanoparticles, coated nanoparticles, and nanoparticle dispersions in a variety of media.