WT Microelectronics (3036 TT) today announced its unaudited monthly sales for December 2021 totaled NT$45.3 billion (US$1,627 million approximately), a decrease of 4% from November 2021 and an increase of 28% over December 2020. Sales for fourth quarter 2021 reached record high of NT$129.0 billion (US$4,631 million approximately), an increase of 8% from third quarter 2021 and an increase of 18% over fourth quarter 2020. Aggregated sales for 2021 also reached record high of NT$447.9 billion (US$16.0 billion approximately), an increase of 27% compared with 2020 period.