United Microelectronics Corporation (NYSE: UMC) reported unaudited consolidated net sales of NT$25.35 billion for September 2026, a 27.22% increase compared to NT$19.93 billion in September 2025, according to a company statement.

For the nine-month period from January through September 2026, UMC reported cumulative net sales of NT$204.01 billion, up 16.08% from NT$175.74 billion during the same period in 2025. All figures are in thousands of New Taiwan Dollars.