United Microelectronics (UMC) Operating Income (2009 - 2026)

On a trailing twelve-month basis, United Microelectronics' Operating Income was $1.81 billion through Sep 30, 2026, up 29.9% year-over-year; for the year ended Dec 31, 2025, it came in at $1.4 billion, down 11.0% from the prior year.

• Operating Income has now declined for three consecutive years, though with a five-year compound annual growth rate of 12.4% (years ended Dec 2020 to Dec 2025).
• In earlier years, Operating Income was $1.57 billion in the year ended Dec 31, 2024 (-16.7%), $1.89 billion in the year ended Dec 31, 2023 (-44.3%), $3.39 billion in the year ended Dec 31, 2022 (+82.1%) and $1.86 billion in the year ended Dec 31, 2021 (+138.6%).
• The figure for the quarter ended Sep 30, 2026 marks the highest quarterly Operating Income since the quarter ended Dec 31, 2022.
• Compared with a year earlier, Operating Income has increased for four straight quarters, with growth averaging 7.4% over the last eight quarters.
• The best year-over-year quarter for Operating Income over five years was the quarter ended Dec 31, 2021 (growth of 225.8%); the worst was the quarter ended Sep 30, 2023 (a decline of 51.3%).
• Per Business Quant data, UMC's Operating Income in the three quarters before the quarter ended Sep 30, 2026 was $472.99 million (quarter ended Jun 30, 2026), $356.84 million (quarter ended Mar 31, 2026) and $394.41 million (quarter ended Dec 31, 2025).