Tranche Update on Mecaro Co., Ltd.'s Equity Buyback Plan announced on November 19, 2018.

MECARO CO.,LTD. is a Korea-based company principally engaged in the manufacture and distribution of chemical precursors, which are raw materials of semiconductor manufacturing process. Precursors used in the deposition process are compounds used to deposit thin films on wafers. The Company’s products also include heater blocks. The heater block is mounted on the chemical vapor deposition equipment of the semiconductor and display process, and it is a key part to uniformly heat the silicon wafer as the semiconductor substrate and the glass as the display substrate to the desired process temperature.