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2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020

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the year period ended December 31, 2019 To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited ("the Company") would like to report the information according to the

Discussion and Analysis for 3rd quarter ended as of September 30, 2020 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the financial statement

Discussion and Analysis for the year 2020 ended as of December 31, 2020 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the Company”) would like to submit the financial

Discussion and Analysis for the year 2021 ended as of December 31, 2021 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the Company”) would like to submit the financial

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-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2021 and Q4-2021 To: The President of the Stock Exchange of Thailand

-1- AIT (VP-SEC) 003E/2024 15 February 2024 Subject: Management's Discussion and Analysis of Operating Results for the year 2023 and Q4-2023 To: The President of the Stock Exchange of Thailand