UMC Reports Sales for February 2019

Taipei, Taiwan, March 8, 2019--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of February 2019.

Revenues for February 2019

Period	2019	2018	Y/Y Change	Y/Y (%)
February	10,461,743	11,909,283	-1,447,540	-12.15%
Jan.-Feb.	22,257,220	25,084,945	-2,827,725	-11.27%

(*) 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.