Tranche Update on Qingyan Environmental Technology Co., Ltd.'s Equity Buyback Plan announced on November 14, 2023.

Qingyan Environmental Technology Co Ltd is a China-based company principally engaged in the research and development, manufacture and sales of sewage treatment equipment. The Company provides sewage treatment equipment package based on the technique of rapid purification of sewage using sedimentation integrated rectangular airlift loop reactor (RPIR), and its RPIR equipment package comprises of RPIR modules, RPIR machine that integrates sewage treatment tank, minimized module and other auxiliary equipment. The Company’s products are mainly used for industrial wastewater and domestic water treatment. The Company also provides sewage treatment operation services and engineering services. The Company mainly conducts businesses within domestic market.