United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of February 2018.

Revenues for February 2018

                                 
Period       2018       2017       Y/Y Change       Y/Y (%)
February       11,909,283       12,014,861       -105,578       -0.88%
Jan.-Feb.       25,084,945       24,666,761       +418,184       +1.70%
                       

(*) 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.