1 / 3 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the “Company”) would like

1 / 3 IR.031/2020 13 August 2020 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

October 30, 2020 Subject: The Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

October 30, 2020 Subject: The Management Discussion and Analysis for the year ended 31st December 2019 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

November 13, 2020 Subject: The Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited

No. WHAUP-CS014-2562 1 8 August 2019 Re Share Acquisition in Duong River Surface Water Plant JSC in Vietnam Dear President The Stock Exchange of Thailand WHA Utilities and Power Public Company

: Director and Manager, The Stock Exchange of Thailand. Whereas, the Board Directors’ Meeting of We Retail Public Company Limited No. 5/2018, which was held on 5 November 2018. Resolved for the approval of the

) August 8, 2018 Re : Report the operating result for the year ended June 30 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

Managers The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.1/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 20 February

(Translation) CS 0297/2019 August 13, 2019 Subject: Connected transaction : Renewal of a hotel management advisor agreement Attn: President The Stock Exchange of Thailand With reference to the Board