WT Microelectronics (3036 TT) today announced its unaudited monthly sales for May 2019 totaled NT$25.3 billion, equaling to US$813 million approximately, an increase of 3% from April 2019 and an increase of 39% over May 2018. Aggregated sales for January to May 2019 totaled NT$117.5 billion, equaling to US$3,801 million approximately, an increase of 39% compared with the same period in 2018.