UMC Reports Sales for October 2015

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

Revenues for October 2015

Period	2015	2014	Y/Y Change	Y/Y (%)
October	12,059,010	13,495,698	-1,436,688	-10.65%
Jan.-Oct.	123,040,049	116,272,484	+6,767,565	+5.82%

(*) 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.