ที่ กบร No. Kor Bor Ror. 015/2018 September 19, 2018 President The Stock Exchange of Thailand Re : Transaction to sell ordinary shares to connected party Dear Sir, Thai Wacoal Public Company Limited

1/3 REF: SET-2018-018 November 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2018 To President The Stock Exchange of Thailand Filter Vision Public Company Limited

February 21,2020 Subject: Notification of the disposal of in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited Attention: President Stock Exchange of Thailand Demeter

- Translation - LPH/SET/2017/019 August 11, 2017 To : President The Stock Exchange of Thailand The Board of Directors’ Meeting of Ladprao General Hospital Public Company Limited (the “Company” or

2019 Subject: Reports on Connected Transaction (receiving financial assistance) Dear: President The Stock Exchange of Thailand The Board of Directors’ Meeting of G J Steel Public Company Limited (“the

Assistance to connected person, The Acquisition of Asset, Schedule for Extraordinary General Meeting No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Attachments: 1. Information Memorandum

Extraordinary General Meeting of the Shareholders No. 2/ 2 5 6 1 , Land purchased from the connected person and sell in investment of the subsidiary (Revised) Attention The President The Stock Exchange of

11,672.35 399.51 3.4 Total cost and expenses * 2,141.33 2,107.37 33.96 1.6 6,664.32 6,201.44 462.88 7.5 Loss on foreign exchange (163.48) (31.66) (131.82) (416.4) (349.13) (550.55) 201.42 36.6 Profit

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

AUD currency in relative to USD currency, resulting in the decrease of net asset value in AUD currency. In contrast, the Company recorded gain on exchange rate of Baht 233.00 million in the 1 st quarter