 TAIPEI, Taiwan--BUSINESS WIRE--United Microelectronics Corporation NYSE: UMC; TWSE: 2303 UMC, today reported unaudited net sales for the month of September 2021. Revenues for September 2021 Period 2021 2020 YY Change YY September 18,750,564 14,533,813 4,216,751 29.01 Jan.-Sep. 153,911,430 131,524,561 22,386,869 17.02 All figures in thousands of New Taiwan Dollars NT, except for percentages. All figures are consolidated Additional information about UMC is availabl 