Brief introduction of UBS Securities

UBS Securities Co., Ltd. (hereinafter referred to as "UBS Securities") was reorganized from Beijing Guoxiang Asset Management Co., Ltd., Swiss Bank Co., Ltd. (also known as UBS Group AG Co., Ltd. and BSAG University), China Yin Jian Investment Co., Ltd., China Development and Investment Company, COFCO Group Co., Ltd. (formerly China Cereals, Oils and Foods (Group) Co., Ltd.) and International Finance Corporation (hereinafter referred to as "IFC") on the basis of the former Beijing Securities Co., Ltd.