Structure of Business Groups

Pathum Thani Waterworks Company Limited (PTW) is a subsidiary of TTW with registered capital of 1,200 million baht, consisting of 12 million common shares with a par value of 100 baht per share. Paid-up capital is 1,200 million baht. TTW Company has a controlling stake. Shares in PTW 98 percent of the registered capital PTW operates a business of producing and distributing water to the Provincial Waterworks Authority in the Pathum Thani-Rangsit area . According to the contract giving the right to produce and distribute tap water. and a contract to purchase tap water for use in the Rangsit Waterworks Office area. Pathum Thani Province, period of 25 years, began operations in 1998 and the contract expires on October 14, 2023, and the Provincial Waterworks Authority has entered into a contract to hire PTW to manage water production and maintain the water supply system in the Pathumthani Branch,Rangsit Branch (Special) and Klongluang Branch. , for a period of 10 years from October 15, 2023. onwards, with the minimum amount of tap water produced being 358,000 cubic meters/day, with Pathum Thani tap water production having a maximum production capacity of 488,000 cubic meters/day.