Tranche Update on Shanghai OPM Biosciences Co., Ltd.'s Equity Buyback Plan announced on October 31, 2023.

Shanghai Aopu Biotechnology Co Ltd is a China-based company mainly provides cell culture medium products and services. The Company's cell culture medium products are widely used in the manufacturing of protein, antibiotics, vaccine, cell therapy products, gene therapy products, and other biological products. The Company's contract development and manufacturing organization (CDMO) service platform provides comprehensive services covering antibody engineering humanized screening, cell strain cultivation, process development, pilot scale production, and clinical-stage sample production. The Company conducts businesses both in the domestic market and overseas markets.