Tranche Update on Mimasu Semiconductor Industry Co., Ltd.'s Equity Buyback Plan announced on September 25, 2015.

MIMASU SEMICONDUCTOR INDUSTRY CO., LTD. is a Japan-based company mainly engaged in the process of semiconductor materials, the sale of precision equipment, the design, manufacture and sale of automation equipment, as well as the other related businesses. The Company operates through three business segments. The Semiconductor segment is involved in the process and sale of semiconductor materials such as prime wafers and recycled wafers. The Industry and Commerce segment is involved in the sale of measuring instruments, testing machines and other precision instruments, as well as the sale of other related products and products manufactured by the engineering segment. The Engineering segment is involved in the development, design and manufacture of semiconductor-related automation equipment such as semiconductor material processing equipment and robot systems.