UMC Reports Sales for August 2014

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

Revenues for August 2014

Period	2014	2013	Y/Y Change	Y/Y (%)
August	11,415,416	10,998,405	+417,011	+3.79%
Jan.-Aug.	90,520,348	82,242,377	+8,277,971	+10.07%

(*) 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.