Core Viewpoint - United Microelectronics Corporation (UMC) reported a slight decline in net sales for October 2025 compared to the previous year, while year-to-date sales showed a modest increase [1][2]. Financial Performance - October 2025 net sales were NT$21,294.974 million, a decrease of NT$76.136 million or 0.36% year-over-year from NT$21,371.110 million in October 2024 [2]. - Year-to-date sales from January to October 2025 reached NT$197,038.628 million, reflecting an increase of NT$3,751.044 million or 1.94% compared to NT$193,287.584 million in the same period of 2024 [2]. Additional Information - UMC is a leading global semiconductor foundry, and further details about the company can be found on their official website [1].