UMC Reports Sales for January 2018

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

Revenues for January 2018

Period	2018	2017	Y/Y Change	Y/Y (%)
January	13,175,662	12,651,900	+523,762	+4.14%
Jan.-Jan.	13,175,662	12,651,900	+523,762	+4.14%

(*) 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.