TAIPEI, Taiwan — (BUSINESS WIRE) — April 9, 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.

View source version on businesswire.com: http://www.businesswire.com/news/home/20170409005084/en/

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Contact:

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