TAIPEI, Taiwan — (BUSINESS WIRE) — June 7, 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

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/20160607006858/en/

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Contact:

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