Stock Exchange. Net Profit For the first six-month of 2020, the company had a net profit of 29.12 THB mn, a decrease of 12.46 THB mn from the same period of year 2019 or 29.97 percent decrease. The main

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

-Translation- No. ECF2 005/2018 February 28, 2018 Subject: Management Discussion and Analysis of the year ended December 31, 2017 To President The Stock Exchange of Thailand East Coast Furnitech

ที่ บช NO. AC. 001/2018 28 February 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development

-Translation- No. ECF2 024/2018 May 14, 2018 Subject: Management Discussion and Analysis of the year ended March 31, 2018 To President The Stock Exchange of Thailand East Coast Furnitech Public

ที่ บช NO. AC.004/2018 13 November 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development

: Management explanation and analysis Quarter 2/2020 ending 30 June 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

Translation Subject: Disclosure of Financial Assistance to Affiliated Company To: President The Stock Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management

3344 Fax. 66 2 654 3323 No. PACE IR2019/004 Date: 15 May 2019 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2019 changing over 20% To: The President The Stock