No. ADD 12/2024 10 May 2024 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2024 To: President The Stock Exchange of Thailand AddTech Hub

. In the medium to long term, we has a positive view toward equity market because of Thai economic recovery and performance of listed companies tend to continuously improve. Moreover, The Stock Exchange

for the third consecutive years. However, the company’s securities has selected in the SET High Dividend 30 Index or SETHD from the Stock Exchange of Thailand which the price index reference 30 shares

No. WICE 021/2020 February 28,2020 Subject Report the resolution of the Board of Directors To : President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Proposed

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

the 6 months period ended June 30, 2019 To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited ("the Company") would like to report the information according to the

% yoy) because EBITDA from FA business was lower due to stock loss as CPKO price drop. Moreover, the company recognized profit of THB 20 million from investments in the Thai Ethoxylate Company Limited

Ref U. SET 017/2017 7 August 2017 Subject: Summary of Operating Performance and Financial Status for Quarter 2/2017 To: President The Stock Exchange of Thailand U City Public Company Limited and its

the Stock Exchange of Thailand Attachment: Copy of financial statements dated on 30th June 2017 Thai-English each. Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd

President The Stock Exchange of Thailand Dear Sir, With reference to the Minutes 8/2017 of the Company Directors’ meeting dated August 22, 2017, the Board resolved to approve the audited financial statements