Tranche Update on Hamai Company Limited's Equity Buyback Plan announced on May 24, 2021.

HAMAI CO., LTD. is a Japan-based company primarily engaged in the manufacture and sale of lapping machines, hobbing machines, milling machines, lens processing machines, machining centers and other machine tools. The Company operates machine tools related business. The Company's machinery are used for precision grinding, gear cutting processing, steel processing, lens processing, die processing and automobile parts processing. The Company supplies its machinery to manufacturers of sapphire substrates, semiconductor wafers, crystal oscillators, optical component materials, electric tools, fishing gears, compact motors, dies and automobile components, as well as lens for digital cameras and cellular phones with cameras.