UMC Reports Sales for April 2017

Taipei, Taiwan, May 9, 2017--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of April 2017.

Revenues for April 2017

Period	2017	2016	Y/Y Change	Y/Y (%)
April	11,926,270	10,764,403	+1,161,867	+10.79%
Jan.-Apr.	49,344,220	45,168,482	+4,175,738	+9.24%

(*) All figures in thousands of New Taiwan Dollars (NT$), except for percentages.
(**) All figures are consolidated

聯華電子股份有限公司本（九）日公佈內部自行結算之2017年度四月份合併營收為新台幣119.26億元，較去年同期增加10.79%。

Additional information about UMC is available on the web at http://www.umc.com.