SIIC Environment Holdings Ltd. has signed a supplementary water tariff increase agreement with the Shanghai Qingpu Water Authority regarding Qingpu Second WWTP Project in Shanghai. Qingpu Project has a total designed capacity of 240,000 tonnes per day, of which 180,000 tonnes are in operation and the remaining 60,000 tonnes are to be constructed. The agreement has retrospective effect from 1 May 2021.