Attn : The Directors and The MAI Manager Ref: Dimet AC 1811/001 November 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

Announcement of 2006 Public Holidays HPIR -022/2562 November 13, 2019 Subject : Management Discussion and Analysis of the operating performance for the 3rd quarter of 2019 Attention : The President

Attn : The Directors and The MAI Manager Ref: DIMET AC 1911/001 November 14, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

Announcement of 2006 Public Holidays HPIR -009/2020 February 28, 2020 Subject : Management Discussion and Analysis of the operating performance for the year of 2019 Attention : The President of the

results for the third quarter of 2019, the Company would like to provide the clarification of performance which was increased more than 20% compared to the previous year. The Company had a net profit of

Our Ref: APURE 028/2021 12 November 2021 Subject Clarification on 3rd Quarter’s Operating Performance (3/2021) Attn. To President The Stock Exchange of Thailand The company clarifies causes and

Our Ref: APURE 027/2022 14 November 2022 Subject Clarification on 3rd Quarter’s Operating Performance (3/2022) Attn. To President The Stock Exchange of Thailand The company clarifies causes and

Our Ref: APURE 028/2023 14 November 2023 Subject Clarification on 3rd Quarter’s Operating Performance (3/2023) Attn. To President The Stock Exchange of Thailand The company clarifies causes and

standards for businesses, and assistance for listed companies on disclosing greenhouse gas emission reduction performance in the 56-1 One Report. During the session, Dr. Satit Niamsuwan, Project Manager of

2015 and 2016 were restated because fictitious revenue had been recorded.  The SEC reviewed Patamavan’s engagement performance as NMG’s auditor and found that she failed to obtain reliable evidence that