UMC Reports Sales for May 2025

TAIPEI, Taiwan--(BUSINESS WIRE)-- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of May 2025.

Revenues for May 2025

Period	2025	2024	Y/Y Change	Y/Y (%)
May	19,480,057	19,509,486	-29,429	-0.15%
Jan.-May	97,793,544	93,882,976	3,910,568	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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250605034563/en/

Michael Lin / David Wong

UMC, Investor Relations

Tel: + 886-2-2658-9168, ext. 16900

Email: jinhong_lin@umc.com

david_wong@umc.com

Source: United Microelectronics Corporation