Optrontec Inc. announced a private placement of series 12 unregistered coupon non-guaranteed private convertible bond for a gross proceeds of KRW 1,600,000,000 on December 24, 2021. The transaction will include participation from new investor, Haehwa Co., Ltd. The bonds will mature on December 30, 2024. The bonds will have no maturity and surface interest rate. The bonds will be 100% converted into 185,485 common shares at a fixed conversion price of KRW 8,626 per share for an equity stake of 0.73%. The conversion period is from December 30, 2022 to December 30, 2024. The subscription date and the payment date of the transaction is December 30, 2021. The securities issued in the transaction are subject to a lock up period of one year. The transaction has been approved by the board of directors of the company.