UMC Reports Sales for October 2017

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

Revenues for October 2017

Period	2017	2016	Y/Y Change	Y/Y (%)
October	13,808,274	12,833,243	+975,031	+7.60%
Jan.-Oct.	126,462,306	122,397,428	+4,064,878	+3.32%

(*) 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.

聯華電子股份有限公司本（九）日公佈內部自行結算之2017年度十月份合併營收為新台幣138.08億元，較去年同期增加7.6%。

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