United Microelectronics Corporation (NYSE: UMC) reported unaudited net sales of NT$20.83 billion for March 2026, representing a 4.89% increase from NT$19.86 billion in March 2025.

The Taiwan-based semiconductor foundry's first-quarter revenue reached NT$61.04 billion, up 5.49% from NT$57.86 billion in the same period last year. The year-over-year increase for the January-March period amounted to NT$3.18 billion.

All revenue figures are reported in thousands of New Taiwan Dollars on a consolidated basis, according to the company's press release statement.