TAIPEI, Taiwan — (BUSINESS WIRE) — April 8, 2019 — United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of March 2019.

Revenues for March 2019

Period				2019				2018				Y/Y Change				Y/Y (%)
March				10,325,739				12,412,192				-2,086,453				-16.81%
Jan.-Mar.				32,582,959				37,497,137				-4,914,178				-13.11%

(*) 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/20190408005880/en/

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Contact:

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