recent development in this area is the SEC Board’s approval of amendments to the Stock Exchange of Thailand (SET) regulations to improve the screening process for companies applying for SET listing and to

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

ที่มป - Translation - Ref : JKNGB-004-05/2018 May 11, 2018 Re: Information Memorandum on Connected Transaction on Office Space Lease Attn.: President The Stock Exchange of Thailand Enclosure

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

years To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) would like to disclose the resolution of the Board of Directors’ meeting no. 6/ 2561 on

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

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. To : Director and Manager of The Stock Exchange of Thailand. We, Hwa Fong

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. (Additional) To : Director and Manager of The Stock Exchange of Thailand. We

Page 1 of 2 No. ACC6101/003 January 22, 2018 Subject: Approval to enter into Contract to buy and sell of Land To: President The Stock Exchange of Thailand According to the Board of Director’s Meeting

Page 1 of 2 No. ACC1903/001 March 1, 2019 Subject: Approval to enter into Contract to sell of Common Stock To: President The Stock Exchange of Thailand According to the Board of Director’s Meeting No