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

) 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

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

( https://linkagemgmt.bora.dopa.go.th ), for example, data from the Department of Legal Execution, the Anti-Money Laundering Office (AMLO), the Department of Special Investigation (DSI), and the Narcotics

Central Retail Corporation Public Company Limited Page 1 20 February 2020 Re: Management Discussion and Analysis Operating results for the year ended December 31, 2018 To: President The Stock

Stock Exchange of Thailand With respect to the financial information for the 2nd quarter ended 30 June 2020, as submitted by the Company, which has been audited by the external auditor, considered by the

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