UMC Reports Sales for October 2018

Taipei, Taiwan, November 9, 2018 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”) today reported unaudited net sales for the month of October 2018.

Revenues for October 2018

Period	2018	2017	Y/Y Change	Y/Y (%)
October	12,577,408	13,808,274	-1,230,866	-8.91%
Jan.-Oct.	128,312,778	126,462,306	+1,850,472	+1.46%

(*) 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.