entering into Material Transactions Deemed as Acquisition or Disposal of Assets and Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and other Acts of

February 18, 2019 To: The President The Stock Exchange of Thailand Re: 2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2018 operating

February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.042/2017 14 November 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

1 Ref: AC.004/2018 26 February 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

3344 Fax. 66 2 654 3323 No. PACE IR2019/001 Date: 28 February 2019 Subject: Explanation of the Operating Results for the year ended 31 December 2018 changing over 20% To: The President The Stock Exchange

Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the year ended 31 December 2018. The details are as follows