1 10000/055/2018 20 June 2018 Subject: Notification of the Investment in OKEA AS To: Directors and Manager The Stock Exchange of Thailand Bangchak Corporation Public Company Limited (the “Company

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No. KK ELCID 2563/001 October 6, 2020 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand K&K Superstore Southern

26 October 2020 To: The President The Stock Exchange of Thailand Re: Q3-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the

27 April 2021 To: The President The Stock Exchange of Thailand Re: Q1-2021 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s