UMC Reports Sales for June 2014

Taipei, Taiwan, July 9, 2014--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of June 2014.

Revenues for June 2014

Period	2014	2013	Y/Y Change	Y/Y (%)
June	12,410,597	10,760,866	+1,649,731	+15.33%
Jan.-June	67,562,936	59,686,120	+7,876,816	+13.20%

(*) 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.