UMC Reports Sales for August 2023

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

Revenues for August 2023

Period	2023	2022	Y/Y Change	Y/Y (%)
August	18,952,011	25,346,076	-6,394,065	-25.23%
Jan.-Aug.	148,521,784	185,650,721	-37,128,937	-20.00%

(*) 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.