Design & Reuse

UMC Reports Sales for February 2015

Taipei, Taiwan, March 9, 2015--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of February 2015.

Revenues for February 2015

Period

2015

2014

Y/Y Change

Y/Y (%)

February

12,056,194

10,341,536

+1,714,658

+16.58%

Jan.-Feb.

24,939,478

20,404,154

+4,535,324

+22.23%

(*) 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.