TAIPEI, Taiwan, Feb. 10 /PRNewswire-Asia-FirstCall/ -- United Microelectronics Corporation (NYSE: UMC; TAIEX: 2303), (UMC) today reported unaudited net sales for the month of January 2009.

    Revenues for January 2009

    Period          2009          2008     Y/Y Change     Y/Y(%)    M/M(%)
    January      3,152,994     8,215,553   -5,062,559   -61.62%    -31.6%
    Jan.-Jan.    3,152,994     8,215,553   -5,062,559   -61.62%      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 / Tien Yu Tseng
     UMC, Investor Relations
     Tel  : +886-2-2700-6999, ext. 6957
     Email: bowen_huang@umc.com / tien_yu_tseng@umc.com

SOURCE United Microelectronics Corporation