UMC Reports Sales for December 2019

Taipei, Taiwan, January 9, 2020--United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of December 2019.

Revenues for December 2019

Period	2019	2018	Y/Y Change	Y/Y (%)
December	13,370,032	11,385,275	+1,984,757	+17.43 %
Jan.-Dec.	148,201,641	151,252,571	-3,050,930	-2.02%

(*) 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.