-517-0109-14 Fax 66-2-5170529 February 27, 2017 Subject Management Discussion and Analysis for the year ended December 31, 2016 To Managing Director of Stock Exchange of Thailand Table of Financial Ratio

- Translation - Page 1 of 6 CBG 042/2017 11 August 2017 Subject Management discussions and analysis for the 3-month and 6-month periods ending 30 June 2017 To President The Stock Exchange of Thailand

revenue for the same period of last year. The positive impact is a result of more projects awarded in 2017 leading to more negotiation power and efficient cost management. 1. Business Performance Analysis

- Translation - Page 1 of 6 CBG 052/2017 14 November 2017 Subject Management discussions and analysis for the 3-month and 9-month periods ending 30 September 2017 To President The Stock Exchange of

were calculated based on The Stock Exchange of Thailand’s formula. MANAGEMENT OUTLOOK This year, VGI celebrates our 20th anniversary unveiling a new vision: “Pioneering Solutions for Tomorrow”. We have

Dec 2018 % Change Exchange differences on translating financial statements 37 0 67,120% Net increase (decrease) in cash and cash equivalents 16 3 480.7% Cash and cash equivalents at beginning of periods

29 July 2020 At: ACC/HO 014/63 Re: Management Discussion and Analysis for the Quarter of 2/2020 To: President The Stock Exchange of Thailand The Coronavirus 2019 (COVID-19) pandemic has had a

Quarter of 2020 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and analysis for the 1st

2nd quarter of 2020 and 6-month period ended 30 June 2020 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the Group”), are pleased to provide you our

-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2020 and Q4-2020 To: The President of the Stock Exchange of Thailand