คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 20 February 2018 Re: To clarify the financial statements as of 31 December 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building

ที่ กตพ Ref. DBP. 107 / 2018 August 14, 2018 Subject : Clarification on Operating Results for the 3-month Period and 6-month Period ending June 30, 2018 To : President The Stock Exchange of Thailand

ที่ กตพ Ref. DBP. 156 / 2018 November 12, 2018 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2018 To : President The Stock Exchange of

prices and the Company suffered devaluation loss on Finished Goods stock, Raw Material in stock and in transit as explained above. Though the prices have continued to weaken month on month, we are now

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

Discussion and Analysis for the year 2020 ended as of December 31, 2020 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the Company”) would like to submit the financial

Discussion and Analysis for 2nd quarter ended as of June 30, 2019 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the financial statement for 2nd

1 (Translation) No. 51/2019/050 17 October 2019 Subject: The Lease of Assets to CPN Retail Growth Leasehold REIT (“CPNREIT”) To: The President, The Stock Exchange of Thailand Enclosure: Information