TAIPEI, Aug. 9 /PRNewswire-Asia/ -- United Microelectronics Corporation (NYSE: UMC; TAIEX: 2303), (UMC) today reported unaudited net sales for the month of July 2010. Revenues for July 2010 Period 2010 2009 Y/Y Change Y/Y (%) M/M (%) July 10,821,572 8,810,063 +2,011,509 +22.83% +4.7% Jan.-July 67,281,881 42,275,935 +25,005,946 +59.15% N/A (*) All figures in thousands of New Taiwan Dollars (NT$), except for percentages. Additional information about UMC is available on the web at http://www.umc.com . Contacts: Richard Yu UMC, Investor Relations Tel: +886-2-2700-6999, ext. 6951 Email: richard_yu@umc.com