UMC Reports Sales for May 2016

Taipei, Taiwan, June 8, 2016--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of May 2016.

Revenues for May 2016

Period	2016	2015	Y/Y Change	Y/Y (%)
May	12,705,227	12,931,054	-225,827	-1.75%
Jan.-May	57,873,709	63,601,211	-5,727,502	-9.01%

(*) 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（八）日公佈內部自行結算之2016年度五月份合併營收為新台幣 127.05 億元，較去年同期減少1.75%。

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