-month period of 2022. Sincerely yours, -Sompoch Tanutantivong- (Mr. Sompoch Tanutantivong) Director and Chief Financial Officer

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

to trading. In the latter case, indicate the dates on which the debt securities will be listed and/or admitted to trading. B. Entities Providing Liquidity. If any entity has made a firm commitment to

1 ความรับผิดชอบของผูนำตอคุณภาพภายในสำนักงาน (Leadership Responsibilities for Quality within the Firm) 20 ด ี (2) ด ี (2) 2 ขอกำหนดดานจรรยาบรรณที่เก่ียวของ (Relevant Ethical Requirements) 15

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