Rubicon Technology, Inc. Reports Record Second Quarter 2010 Results

Rubicon Technology, Inc. RBCN, a leading provider of sapphire substrates and products to the LED, RFIC, Semiconductor, and Optical industries, today reported financial results for its second quarter ended June 30, 2010 and announced the signing of an agreement with a key LED customer for the supply of six inch polished substrates. Second Quarter Results and Third Quarter Outlook Second Quarter 2010 Financial Highlights Revenue rose to $15.8 million, up 37 percent sequentially Gross margin increased to 46 percent, up from 36 percent in the previous quarter Diluted earnings per share of $0.18 as compared to $0.07 in the first quarter 2010 Capacity expansion plans on schedule and on budget