UMC Reports Sales for March 2017

Taipei, Taiwan, April 10, 2017--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of March 2017.

Revenues for March 2017

Period	2017	2016	Y/Y Change	Y/Y (%)
March	12,751,189	12,919,174	-167,985	-1.30%
Jan.-Mar.	37,417,950	34,404,079	+3,013,871	+8.76%

(*) 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（十）日公佈內部自行結算之2017年度三月份合併營收為新台幣127.51億元，較去年同期減少1.30%。

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