IDH-AC-000-อส6302/30.00 20 February 2020 Re: Management Discussion and Analysis Operating results for the year ended 31 December 2019 To: President The Stock Exchange of Thailand Overview of the

Management Discussion and Analysis for the year ended December 31, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and financial statement for the year ended December 31, 2019

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

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

-Translation- No. ECF2 010/2019 February 27, 2019 Subject: Management Discussion and Analysis of the year ended December 31, 2018 To President The Stock Exchange of Thailand East Coast Furnitech

the net trade debt repayment of USD 123,899,729, or equivalent to THB 4,275,683,281.33, under the debt to equity conversion scheme where the conversion price will be fixed at THB 0.1961 per share

Group”) for the net trade debt repayment of USD 123,899,729, or equivalent to THB 4,275,683,281.33, under the debt to equity conversion scheme where the conversion price will be fixed at THB 0.1961 per

Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of Demeter

13 November 2020 Subject Management Discussion and Analysis for the Nine months ended September 30, 2020 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the

: The President The Stock Exchange of Thailand The Extraordinary Board of Directors’ meeting of Bangkok Airways Public Company Limited, (“Company” or “BA”) No. 1/2019 held on March 19, 2019 and the Board