August 9, 2018 Subject : Management Discussion and Analysis for six-month and 2nd quarter ended June 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues

August 10, 2018 Re: Management Discussion and Analysis for the period 3 months June 30 ,2018 To: The Registrar, Stock Exchange of Thailand Patkol Public Company Limited : Management Discussion and

November 9, 2018 Subject : Management Discussion and Analysis for nine-months and 3rd quarter ended September 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance

- Transalation - No. AEC 321/2018 November 12, 2018 Subject: Disposition of Assets of AEC Securities Public Company Limited (Amendment) Attention: President The Stock Exchange of Thailand AEC

November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

, www.getabecboiler.com No. GTB007/ 2018 December 26, 2018 Re: Report on Connected Transactions in Respect of Office Building Lease Attn: President of the Stock Exchange of Thailand Getabec Public Company Limited (the

7th November 2019 Subject: Management Discussion and Analysis for the Quarter 3 Ending 30th September 2019 Attention: President Stock Exchange of Thailand Please find below the additional information

M.D. 219/2019 November 15, 2019 Subject : Disclosure of the information connected transaction (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 To President and Managers The Stock Exchange of Thailand Forth Corporation

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 (Additional) To President and Managers The Stock Exchange of Thailand Forth