UMC Reports Sales for December 2021

Taipei, Taiwan, January 6, 2022 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of December 2021.

Revenues for December 2021

Period	2021	2020	Y/Y Change	Y/Y (%)
December	20,279,580	15,287,969	+4,991,611	+32.65%
Jan.-Dec.	213,011,018	176,820,914	+36,190,104	+20.47%

(*) 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 https://www.umc.com.