Prostemics Co., Ltd. announced a private placement of 3,742,514 Series 4 Non-guaranteed Private Equity Exchange Bond with Bearer Type Interest Part at a price of KRW 2,672 per share for the gross proceeds of KRW 10,000,000,000 on April 25, 2022. The bonds will mature on April 27, 2025 with maturity rate of 4%. The transaction is expected to close on April 27, 2022.