27 April 2020 To: The President The Stock Exchange of Thailand Re: Q1-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

Discussion and Analysis for 1st quarter ended as of March 31, 2015 (SEC to edit) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the company and

agencies while also adding efficient tools to ensure market stability through the following actions: (1) a Capital Market Development Fund has been established; (2) the Stock Exchange of Thailand is required

Connected Transactions and the Notification of the Board of Governor of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies concerning Connected Transactions B.E

Page 1 of 2 Ref. PDI/BK-BS-063/2017 7 th November 2017 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 3 rd Quarter and 9- month Year to date 2017 For

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

Disposal of Assets Transaction, and Acquisition of Assets Transaction To : Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Disposal of Komchadluek Business and

Exchange of Thailand Dimet (Siam) Public Company Limited “company” would like to notify on qualified opinion from auditor as shown in Noted to Financial Statement due to authorized directors of ASIAN

The Stock Exchange of Thailand 1. Overview financial performance of E for L Aim Public Company Limited (“EFORL” or “the Company”) and its subsidiaries (collectively as “the Companies”) for Q3/2018

and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Acquisition of Assets and