WT Microelectronics (3036 TT) today announced its unaudited monthly sales for May 2021 totaled NT$33.1 billion, equaling to US$1,184 million approximately, a decrease of 8% from April 2021 and an increase of 43% over May 2020. Aggregated sales for January to May 2021 totaled NT$166.5 billion, equaling to US$5,892 million approximately, an increase of 30% compared with the same period in 2020.