UMC Reports Sales for September 2022

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

Revenues for September 2022

Period	2022	2021	Y/Y Change	Y/Y (%)
September	25,218,828	18,750,564	+6,468,264	+34.50%
Jan.-Sep.	210,869,549	153,911,430	+56,958,119	+37.01%

(*) 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.