ACC1/18-042 6 September 2018 Subject : The Information of a Disposition of Assets of the Subsidiary (Revise) To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public Company

No. BGRIM 2/2019 January 15, 2019 Subject: Additional Investment in Nam Che Hydro Power Co., Ltd. Attn: President The Stock Exchange of Thailand On January 14, 2019, the Board of Directors’ Meeting

หนา้ 1 VRS_13/2562 September 17, 2019 Subject Notification of investment in a subsidiary company To The President The Stock Exchange of Thailand Veranda Resort Public Company Limited (“the Company

subsidiary To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of Directors’ Meeting of the Company No 1/2020, held on

cooperation with the Ministry of Interior, National Science and Technology Development Agency (NSTDA), the Stock Exchange of Thailand (SET), the Federation of Thai Industries, Thai Chamber of Commerce

Managing Director of Accounting and Finance, and the disposition of land of the Company’s subsidiary To President The Stock Exchange of Thailand K.C. Property Public Company Limited (the “Company”) would

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: Structure of the shareholding in subsidiary companies Filter Vision Public Company Limited (“the Company

1/4 REF: SET-2018-021 December 12, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2018 – Related Party Transaction To President The Stock Exchange of Thailand Filter

2018 To : President The Stock Exchange of Thailand The Board Of Directors Meeting of J.S.P. Property Public Company Limited (“Company”) No. 11/2017 held on 10 November, 2017. Approved the connected

2018 (Additional) To : President The Stock Exchange of Thailand The Board Of Directors Meeting of J.S.P. Property Public Company Limited (“Company”) No. 11/2017 held on 10 November, 2017. Approved the