, 2020 Subject Management’ discussion and analysis for the fiscal year ended December 31, 2019 To President The Stock Exchange of Thailand Interpharma Public Company Limited ( “ the Company” ) would like

ended December 31, 2019. To : The President and Governing Members of The Stock Exchange Market of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For

The Stock Exchange of Thailand The Meeting of Board of Directors of WHA Utilities and Power Public Company Limited (“Company”) No. 8/2017 on 29 September 2017 passed a resolution approving the Company

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month period ended March 31

Management Discussion and Analysis 1 Ref: AC.017/2020 18 May 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange

1 Translation CEN 001-2021 March 1, 2021 Subject Management Discussion and Analysis for the year 2020 To The Manager and President The Stock Exchange of Thailand Capital Engineering Network Public

Ended December 31, 2018 To The President The Stock Exchange of Thailand Management Discussion and Analysis Consolidated Financial Statements For Financial Year ended December 31, 2018 Overall Group

May 13th, 2019 Subject Management Discussion and Analysis for the three months period ended March 31, 2019 To The President The Stock Exchange of Thailand Day Dream Public Company Limited (the

Analysis Report of the Financial Positions and Result of Business Operations. To : President of The Stock Exchange of Thailand The Explanation and Analysis Report of the Financial Positions and Result of

- 1 - AIT (VP-SEC) 024E/2019 August 8, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q2-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q2