, AI Energy Public Company Limited Miss Arunrat Sanprasertsuk Chief Financial Officer Corporate Secretary Tel: 034-877-485-8 Ext. 500 Email: ir@aienergy.co.th

THB 60.80 million in the first nine-month period of 2022. Sincerely yours, -Sompoch Tanutantivong- (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

Ankapipatchai) Director and Chief Financial Officer

) Director and Chief Financial Officer

while the Company paid dividends to shareholders of THB 12.80 million in the first nine-month period of 2023. Sincerely yours, -Sompoch Tanutantivong- (Mr. Sompoch Tanutantivong) Director and Chief

, (Mr.Tanavijit Ankapipatchai) Director and Chief Financial Officer

notification of the Securities and Exchange Commission and the SET. Please be informed accordingly. Sincerely Yours, Teerawit Charuwat (Mr. Teerawit Charuwat) Director, Chief Executive Officer and Acting Chief

be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Asanee Chantong) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC

. Asanee Chantong) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND ANALYSIS (For the Consolidated Financial Statements of the 3rd

Acquisition or Disposal. Please be informed accordingly, Sincerely yours, -Weera Louwitawas- (Mr. Weera Louwitawas) Chief Executive Officer Enclosure 1 1 Information Memorandum in relation to the Transaction of