UMC Reports Sales for January 2025

Taipei, Taiwan, February 7, 2025 -- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of January 2025.

Revenues for January 2025

Period	2025	2024	Y/Y Change	Y/Y (%)
January	19,806,795	19,013,697	793,098	4.17%
Jan.-Jan.	19,806,795	19,013,697	793,098	4.17%

(*) 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.