as follows; 1. Subsidiary Name: S Holdings (BVI) Ltd. Registered capital: USD 5,000,000, consisting of 50,000 ordinary shares, at par value of 100 USD per share Shareholders Structure: S Energy (BVI

registered capital. The detail of Muengloie-Ram(s shareholders (after Ram purchases remainder share). Name of share holders Number of shares % registered share 1. Ramkhamhaeng Hospital Public Co.,Ltd

(-Translation-) Ref. No. U.SET 030/2018 27 June 2018 Subject: Setting up of a new subsidiary To: The President The Stock Exchange of Thailand U City Public Company Limited (the “Company”) would like

(-Translation-) Ref. No. U.SET 035/2018 September 13, 2018 Subject: Setting up a new subsidiary To: The President The Stock Exchange of Thailand U City Public Company Limited (the “Company”) would

(-Translation-) Ref. No. U.SET 046/2018 18 December 2018 Subject: Setting up a new subsidiary To: The President The Stock Exchange of Thailand U City Public Company Limited (the “Company”) would like

November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

value Baht 10 per share Shareholder structure before and after increase capital: Shareholder name Before capital increase After capital increase of 87,000,002 shares Total shares % Total shares Total

4,900,000 shares at 10.00 Baht per share (par value) in total not more than 49,000,000.00 Baht, this transaction is considered as the asset conforming to the announcement of The Stock Exchange of Thailand

(-Translation-) Ref. No. U.SET 027/2018 June 4, 2018 Subject: Acquisition of 50 percent of ordinary shares in the subsidiaries of Sansiri Public Company Limited To: The President The Stock Exchange

: BI.IO.(1) 7/2018 June 6, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Perennial HC Holdings Pte. Ltd. On behalf of Bangkok Bank Public Company Limited (“the