while the Company paid dividends to shareholders of THB 68.80 million in 2021. Sincerely yours, _____________________ (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

ended 31 March 2022. Sincerely yours, (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

three- month period ended 31 March 2023. Sincerely yours, -Sompoch Tanutantivong- (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

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

according to the Company’s profit for the three- month period ended 31 March 2024. Sincerely yours, -Sompoch Tanutantivong- (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

พัฒนาที่ยั่งยืน Mr. Mushtaq Kapasi, Managing Director, Chief Representative, Asia Pacific International Capital Market Association (ICMA) นายไพบูลย์ นลินทรางกูร ประธานกรรมการ สภาธุรกิจตลาดทุนไทย นายธาดา

สถาบันกรรมการบริษัทไทย นายชยากร เลี้ยงรื่นรมย์ ผู้ช่วยกรรมการผู้จัดการใหญ่กำกับดูแลและธรรมาภิบาลองค์กร บริษัท ปตท. จำกัด (มหาชน)  นายเกรียงชัย บุญโพธิ์อภิชาต Chief Financial Officer บริษัท ซีพี ออลล์ จำกัด

attached. Please be informed accordingly. Sincerely yours, -Signature- (Miss Nilrat Jarumanopas) Chief Financial Officer Authorized to sign on behalf of the Company Information Memorandum on Disposition of

accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS

Sudbuntad) Chief Executive Officer Company Secretary Office Tel. +66 3622 4171-8 Ext. 314 Fax. +66 3622 4187 - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND