-1- AIT (VP-SEC) 022E/2021 November 9, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q3-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q3

Exchange Forward Contract in the amount of THB 255 million from the continuous appreciation of THB. Thus, EBITDA recorded was THB 781 million (+28% YoY, -1% QoQ). Refinery Business Marketing Business sales

of services Depreciation Network OPEX SG&A Financial cost Income tax expense Net foreign exchange gain (loss) (20,385) (9,712) (7,173) (6,288) (1,201) (1,397) (452) - - - - - - 30 47 (2,873) 2,920 14

of services Depreciation Network OPEX SG&A Financial cost Income tax expense Net foreign exchange gain (loss) (20,385) (9,712) (7,173) (6,288) (1,201) (1,397) (452) - - - - - - 30 47 (2,873) 2,920 14

  March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported

and private investment going forward. In addition, tourism revenue is expected to rise satisfactorily. Government expenditure is also projected to expand further as infrastructure projects are being

large infrastructure projects will continue to support the economic growth and help bolster private investment recovery going forward. Nevertheless, monetary policies in the US and Europe necessitate

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

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