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

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

MDA Q2_61 EN -Translation- No. ECF2 033/2018 August 15, 2018 Subject: Management Discussion and Analysis of the 2nd quarter ended June 30, 2018 To President The Stock Exchange of Thailand East Coast

(Translation) NEP-AC 001/2560 10 August 2017 Subject : Management Discussion and Analysis for 2nd Quarter ended 30 June 2017 To : The President The Stock Exchange of Thailand Operating Result NEP

Practice Guidelines No. NorPor. 4/2559 Re: Practical Guidelines for Business Continuity Management _______________________________ Reference is made to the notification of the Capital Market Supervisory

Guidelines No. NorPor. 4/2559 Re: Practical Guidelines for Business Continuity Management _______________________________ Reference is made to the notification of the Capital Market Supervisory Board No

: 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

) (5.20) Rental and other services Revenue 252,137 195,894 56,243 28.71 Gross Profit 136,320 107,139 29,180 27.24 Gross profit margin (%) 54.07 54.69 (0.63) (1.15) Golf Services & Property Management

No. MVP038/2020 May 15, 2020 Subject: Management Discussion and Analysis for the three - month period ended 31 March 2020 To: President and Manager The Stock Exchange of Thailand M Vision Public

Management Discussion and Analysis Q1/2020 Page 1/4 JAS Asset Public Company Limited - Translation - IR63/009 15 May 2020 Subject: Management Discussion and Analysis, 1st Quarter Ending 31 March 2020