Company Announcements

UMC Reports Sales for December 2025

TAIPEI, Taiwan--(BUSINESS WIRE)--Jan. 7, 2026-- United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today reported unaudited net sales for the month of December 2025.

Revenues for December 2025

Period

2025

2024

Y/Y Change

Y/Y (%)

December

19,280,724

18,965,818

314,906

1.66%

Jan.-Dec.

237,553,199

232,302,584

5,250,615

2.26%

(*) 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.

Michael Lin / David Wong
UMC, Investor Relations
Tel: + 886-2-2658-9168, ext. 16900
Email:
david_wong@umc.com
jinhong_lin@umc.com

Source: United Microelectronics Corporation