UMC Reports Sales for January 2022

Taipei, Taiwan -- February 10, 2022 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of January 2022.

Revenues for January 2022

Period	2022	2021	Y/Y Change	Y/Y (%)
January	20,472,766	15,529,559	+4,943,207	+31.83%
Jan.-Jan.	20,472,766	15,529,559	+4,943,207	+31.83%

(*) 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.