TAIPEI, Taiwan, Aug. 8 /Xinhua-PRNewswire-FirstCall/ -- United Microelectronics Corporation (NYSE: UMC), (UMC) today reported unaudited net sales for the month of July 2007.

    Revenues for July 2007


    Period          2007          2006     Y/Y Change    Y/Y(%)   M/M (%)

    July        10,052,824    9,202,214     +850,610    +9.24%   +14.95%
    Jan.-July   58,174,789   59,337,180   -1,162,391    -1.96%     N/A

    (*) All figures in thousands of New Taiwan Dollars (NT$), except for
        percentages.



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athttp://www.umc.com .

    Contacts:

     Bowen Huang / Dylan Lee
     UMC, Investor Relations
     Tel:   +886-2-2700-6999 ext. 6957
     Email: 
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