Tranche Update on Guangdong Huate Gas Co., Ltd's Equity Buyback Plan announced on November 4, 2023.

Guangdong Huate Gas Co Ltd is a China-based company principally engaged in the research and development, production and sales of special gases. The Company is also engaged in the research and development, production and sales of general industrial gases and related gas equipment, as well as engineering business. The Company's special gases mainly include high-purity hexafluoroethane, high-purity carbon tetrafluoride, high-purity carbon dioxide, high-purity carbon monoxide and others. Its special gases are mainly applied in the processing and manufacturing processes of electronic industries, including cleaning, etching, photolithography, epitaxy and doping. Its genera gases include oxygen, nitrogen, argon, industrial ammonia and others. Its gas equipment includes cryogenically insulated gas cylinders, vaporizers, skid-mounted devices and others. Its gas engineering business mainly includes the provision of gas supply system design, installation and maintenance services for customers.