3rd Quarter of 2019 and 9-months period ending 30 September 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide

[COMPANY NAME] EFORL 009/2019 March 7, 2019 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Public Company Limited for the second allotment of newly increase

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

30 October 2017 At: ACC/HO 057/60 Re: Management Discussion and Analysis for the three-month and nine-month periods ended 30 September 2017 To: President The Stock Exchange of Thailand Homepro’s

- 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

-1- AIT (VP-SEC) 014E/2024 May 9, 2024 Subject: Management's Discussion and Analysis of Operating Results for Q1-2024 To: The President of the Stock Exchange of Thailand Summary of Operations Q1-2024

1 - TRANSLATION - VS/PC (Q-Con) 032/2017 October 31st, 2017. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30

To: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 3rd Quarter ended September 30, 2017 that total revenue was THB25.86

May 13, 2019 SET-19-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended March 31, 2019 According to the resolution of

No. INGRS026 13 June 2019 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2019 To : The President The Stock Exchange of Thailand Ingress Industrial