FY21, turned negative, compared to FX gain of Bt2mn in FY20 duet to THB depreciation and increased capex payable. Finance cost was Bt5,626mn, decreasing -4.9% YoY from lower interest-bearing debt

FX gain of Bt308mn in FY19 due to THB depreciation against USD. In general, AIS has policy to mitigate currency risk using forward contract to partially cover capex payable. Finance cost was Bt4,522mn

entering into the transaction of acquisition and disposal of assets and the connected transaction To President The Stock Exchange of Thailand Enclosure Information Memorandum on the Acquisition and Disposal

1 - TRANSLATION - VS/PC (Q-CON) 016/2018 May 10th , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2018

1 - TRANSLATION - KT/PB (Q-Con) 020/2019 August 7, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2019

1 - TRANSLATION - KT/KP (Q-CON) 007/2018 November 1st , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30

1 - TRANSLATION - KT/PB (Q-Con) 025/2019 November 1, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30 September

1 - TRANSLATION - KT/PB (Q-Con) 012/2019 May 9, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2019

1 - TRANSLATION - VS/PC (Q-Con) 004/2018 February 1st , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2017 Quality

audit imposed by the company management in various matters including audit on financial institution deposits, petroleum gas stock inventories, trade accounts receivable, trade accounts payable and gas