1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company To: President, The Stock Exchange of Thailand T.K.S. Technologies Public Company

The Securities and Exchange Commission (SEC), in collaboration with the Stock Exchange of Thailand (SET), the Thai Investors Association (TIA), and the Faculty of Law, Chulalongkorn University, co

;)'s share to commit offense in using her securities trading account to sell STARK shares on February 2023 before STARK disclosed the inside information to the Stock Exchange of Thailand. SEC Act

April 2, 2018 Subject: Acquisition of Investment of One World Media Co., Ltd. Attention: Director and Manager The Stock Exchange of Thailand (SET) Nation International Edutainment Plc. or NINE would

(-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

Ref No : GENCO 010/2019 January 30, 2019 To: President The Stock Exchange of Thailand Subject

(-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

December 27, 2017 Re: Notification of the Progress on the Investment in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand As Demeter Corporation Public Company Limited (the “Company

Ref.No.IVL012/08/2017 15th, August 2017 President The Stock Exchange of Thailand Subject: Acquisition of the Tire Cord business of DuraFiber, Mexico Indorama Ventures Public Company Limited (“IVL”) would like to

(SEA).  The SEC will later work on details of regulations.2. LBDU licensees that submit orders for investment unit trading through members of the Stock Exchange of Thailand (SET) must comply with net