March 31, 2020 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For three months ended March 31, 2020 Overall Group Performance Table

Rnj, (Translation) MD. 073/2020 May 13 , 2020 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2020 To: President The Stock Exchange of Thailand Management Discussion

page1 from 4 13 May 2020 Subject : Management Discussion and Analysis Quarter 1 Ending 31 Mar 2020 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited would like

explanation and analysis Quarter 1/2020 ending 31 March 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify operating

(Translation) UAC.CS/015/2020 August 14, 2020 Subject: Explanation of the operating results for the second quarter period ended June 30, 2020 To: President The Stock Exchange of Thailand Attachment

1 RP-AC 003/2020 AUGUST 14, 2020 Subject: Clarification of the operating results for the second quarter of 2020 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

Exchange of Thailand Earth Tech Environment Public Company Limited (“the Company”) provides Management Discussion and Analysis for the three months and six months ended 30th June 2020 as follows Overview of

Exchange of Thailand Earth Tech Environment Public Company Limited (“the Company”) would like to inform the management’s explanation and analysis for the Company’s operating results for three months and nine

Discussion and Analysis for the third quarter 2020 of Seven Utilities and Power Public Company Limited To: The President The Stock Exchange of Thailand Seven Utilities and Power Public Company Limited (“the

13 November 2020 Subject Management Discussion and Analysis for the Nine months ended September 30, 2020 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the