UMC Reports Sales for December 2022

Taipei, Taiwan, January 6, 2023 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of December 2022.

Revenues for December 2022

Period	2022	2021	Y/Y Change	Y/Y (%)
December	20,946,009	20,279,580	+666,429	+3.29%
Jan.-Dec.	278,705,264	213,011,018	+65,694,246	+30.84%

(*) 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.