TAIPEI, Taiwan — (BUSINESS WIRE) — May 8, 2018 — United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of April 2018.

Revenues for April 2018

Period				2018				2017				Y/Y Change				Y/Y (%)
April				12,411,996				11,926,270				+485,726				+4.07%
Jan.-Apr.				49,909,133				49,344,220				+564,913				+1.14%

(*) 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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20180508006900/en/

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Contact:

UMC, Investor Relations
Michael Lin / David Wong
+ 886-2-2658-9168, ext. 16900
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