TAIPEI, Taiwan, Aug. 8 /Xinhua-PRNewswire-FirstCall/ -- United Microelectronics Corporation (NYSE: UMC), (UMC) today reported unaudited net sales for the month of July 2008.

    Revenues for July 2008

    Period           2008          2007    Y/Y Change     Y/Y(%)   M/M(%)

    July        8,536,578    10,052,824    -1,516,246   -15.08%   +5.33%
    Jan.-July  57,771,963    58,174,789      -402,826    -0.69%      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:

     Bowen Huang or I Cheng Lu
     UMC, Investor Relations
     Tel:   +886-2-2700-6999 ext. 6957
     Email: bowen_huang@umc.com or i_cheng_lu@umc.com

Web site: http://www.umc.com/