United Microelectronics Corporation reported unaudited consolidated sales results for the month and year to date ended October 2021. For the month, the company reported revenues of TWD 19,158,585,000 compared to TWD 15,282,825,000 a year ago. For the year to date, the company reported revenues of TWD 173,070,015,000 compared to TWD 146,807,386,000 a year ago.