OPTEX Group Co. Ltd. announced resignation of Hiroyuki Onishi as Director. Date of resignation: February 28, 2023.

Reason for Resignation: This is due to personal reasons. Mr. Isamu Oguni, President, will be in charge of the accounting and financial sector and strategic sector for the time being. Mr. Hiroyuki Onishi will continue to serve as President, the post that he holds concurrently, of CCS INC.