.Thailand. Tel : + 66(0) 2 703 7880-1 No. SorPor 6/2563 23 March, 2020 Subject: Report of asset acquisition in “Sakun C Innovation Company Limited” Attention: Managing Director of the Stock Exchange The Stock

. Tel : + 66(0) 2 703 7880-1 No. SorPor 5/2563 23 March, 2020 Subject: Report of asset acquisition in “Blue Solar Farm3 Company Limited” Attention: Managing Director of the Stock Exchange The Stock

1 No. CC20190203ELE February 27, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2019 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp

of the Board of Directors Meeting No. 2/2019 and the convening of the 2019 Annual General Shareholders Meeting To President Stock Exchange of Thailand Reference Letter to the President of the Stock

19 September 2005 - Translate – Ref. HF 0044 / 2019 February 25th, 2019. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 2) To: The President The Stock Exchange of

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 3) To: The President The Stock Exchange of

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited

19 September 2005 - Translate – Ref. HF 0109/2018 August 6th, 2018. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the