Taipei, Taiwan, June 9 /Xinhua-PRNewswire-FirstCall/ -- United Microelectronics Corporation (NYSE: UMC), (UMC) today reported unaudited net sales for the month of May 2008.

    Revenues for May 2008
    Period            2008         2007    Y/Y Change    Y/Y (%)   M/M (%)
    May          8,606,625    8,220,010       386,615     +4.70%    +1.00%
    Jan.-May    41,130,795   39,376,734     1,754,061     +4.45%       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 / I Cheng Lu
    UMC, Investor Relations
    Tel. + 886-2-2700-6999, ext. 6957
    Email:  bowen_huang@umc.com
            i_cheng_lu@umc.com

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