No. GST/ELCID-21/2560 September 25, 2017 Subject: Reports on Connected Transaction (receiving financial assistance) (Additional) To: The President The Stock Exchange of Thailand The Board of Directors

Ref.No.1905/026EN July 16, 2019 Subject Inform about The Connected Transaction Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.9/2019 of UBIS

lease office space for the Company and its subsidiaries. To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of

1 / 4 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets (Land sale) (Amendment) To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

assistance To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) , held the Board of Directors’ meeting no. 8/ 2561 on September 27th, 2018, approved the

) Attention: President The Stock Exchange of Thailand Reference Letter: The Letter of the Company dated 10 April 2018 re: Acquisition and Disposition of Assets Pace Development Corporation Public Company

assistance To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) , held the Board of Directors’ meeting no. 9/ 2562 on December 19th, 2019, approved the

Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management Public Company Limited (“Company / EASTW”) at the meeting No.8/2020 held on May 8, 2020 has resolved that

. To: President The Stock Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management Public Company Limited (“Company / EASTW”) at the meeting No.9/2020 held on May

. Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 35/2557 Re: Rules in Detail on Communication with and Providing Services to Clients of Securities Companies and Derivatives