TAIPEI, April 9, 2014 /PRNewswire/ -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) ("UMC"), today reported unaudited net sales for the month of March 2014.

Revenues for March 2014



         Period             2014         2013          Y/Y Change                Y/Y (%)
         ------             ----         ----          ----------                -------

         March        11,289,431    9,598,645                 +1,690,786                +17.61%
         -----        ----------    ---------                 ----------                ------

       Jan.-Mar.      31,693,585   27,781,416                 +3,912,169                +14.08%
       ---------      ----------   ----------                 ----------                ------


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

    (**) All figures are consolidated

Additional information about UMC is available on the web at http://www.umc.com.

Contacts:



    Bowen Huang / David Wong

    UMC, Investor Relations

    Tel: + 886-2-2658-9168, ext. 16900

    Email:       bowen_huang@umc.com

                 david_wong@umc.com

SOURCE United Microelectronics Corporation