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

Revenues for September 2026
Period	2026	2025	Y/Y Change	Y/Y (%)
September	25,350,431	19,927,175	5,423,256	27.22%
Jan.-Sep.	204,009,681	175,743,654	28,266,027	16.08%
(*) 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.

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Michael Lin / David Wong

UMC, Investor Relations

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

Email:

[email protected]

[email protected]

Source: United Microelectronics Corporation