-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

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

, -Signature- (Mr. Teerawit Charuwat) Director and Chief Executive Officer บมจ.0107537002109 บริษทั ดีมีเตอร ์คอรป์อเรชั น จาํกดั (มหาชน) Demeter Corporation Public Company Limited เลขที 191/43 อาคารซีทีไอ ทาวเว

. 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