R-Amtech International, Inc. 2101 112th Avenue NE Suite 210 Bellevue, Washington 98004

R-Amtech International Inc. identifies and develops emerging technologies and then transfers the technologies for quick commercialization via licensing, joint venture, or sale. R-Amtech currently focuses on: CHIVTM high-density microelectronic 3D packaging technology HiPEPTM microelectronic chip-scale packaging technology Aerosol Generator V2 fire suppression systems R-Amtech multi-purpose mastic Pure 'N ClearTM personal water purifier Prior to selling its interest in 2005, R-Amtech licensed the Tetris® computer game through The Tetris Company LLC to more than 50 companies resulting in the sale of more than 87 million units of Tetris®. Copyright© 1999-2005 R-Amtech International All Rights Reserved.