26 February 2020 At: ACC/HO 003/63 Re: Management Discussion and Analysis for the year ended 31 December 2019 To: President The Stock Exchange of Thailand Thailand’s economy grew more slowly than

Acquisition. To: The President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets of Hydrotek Public Company Limited 2. Capital Increase Form (F 53-4) 3. Information

AIT (SVP-SEC) 015E/2016 May 9, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q-2016 To: The President of The Stock Exchange of Thailand Summary of Operations Q1- 2016

discount campaign for the Hi-Premium diesel. The latter was to support the government sector’s promotion of environmentally-friendly fuel to dissipate the pollution situation, and at the same time, support

President The Stock Exchange of Thailand Winner Group Enterprise Public Company Limited (“the Company”) wishes to notify you that the resolutions of the Board of Directors Meeting No. 2/2018 which was held on

[COMPANY NAME] Ref.: EFORL IR007/2020 March 4, 2020 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2019 To President The Stock Exchange of Thailand 1. Overview financial

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

Analysis Q2/2020 IR63/013 13 August 2020 Subject Management Discussion and Analysis for the second quarter ended 30 June 2020 Attention President The Stock Exchange of Thailand According to the resolution of

management for the year 2017 To: President Stock Exchange of Thailand The Company would like to clarify the following reasons for changes to profit (loss) in the consolidated financial statements for the year

the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1