The Board of Directors of Diamond Building Products Public Company Limited at the Meeting No. 381, dated December 18, 2023, unanimously resolved to approve in principle on the investment project for installation of autoclaved aerated concrete production machinery (AAC-2), having a production capacity of approximately 2,880,000 square meters or approximately 163,200 tons per year, with an investment of approximately THB 648 million. The procurement and installation of the machinery is anticipated to take approximately 14 months, with production of autoclaved aeratedcrete products expected to commence by the 2nd quarter 2025.

Accordingly, the Company's Board of Directors at the Meeting No. 384, dated March 25, 2024, unanimously resolved to approve such investment with conditions for the Company to further negotiate with the Seller, which had already been carried out and completed on March 26, 2024. Therefore, the news is being reported to the Stock Exchange of Thailand.

Accordingly, such transaction is in accordance with the notification of the Stock Exchange of Thailand regarding the Disclosure of Information and Other Act of Listed Companies Con concerning the Acquisition and Disposition of Assets B.E. 2547, the Company has an obligation to disclose information on the Company's transaction to the Stock Exchange of Thailand and the shareholders, having important details as follows: Transaction Date: The Company will enter into the purchasing and procurement contract on April 1, 2024 to carry out the project, which shall take approximately 14 months for the construction and the production of Autoclaved Aerated Concrete is expected within the 2nd quarter of 2025. Related Parties and Relationship: The Company has selected the seller, namely, Jiangsu Teeyer Intelligent Equipment Co. Ltd. of China in which the Company has already verified the seller's qualification and found no connected relationship or any interest with the Company.

Details of Acquired Assets: The Company will install the machinery to produce autoclaved aerated concrete, in which the acquired assets shall consist of autoclaved aerated cement production machinery, electrical system, factory building and land filling work, etc., having production capacity of approximately 2,80,000 square meters or approximately163,200 tons per year. Total value of consideration for the assets acquired consists of the total investment budget of Project AAC-2 which is approximately THB 648 million; Value of the Acquired Assets: It is expected that the investment for this project will be approximately THB 648 million, which is equivalent to the total value of consideration. Basis for Calculation of the Consideration: conditions and other agreements in the contract are based on normal commercial terms. Expected Benefits: The installation of the machinery to produce autoclaving aerated concrete will meet the demand of the customers, which will increase Company's competitiveness and continuously maintain growth rate of the Company.

Source of Funds: For the sources of investment fund for the project, the Company shall carry out as follows. Cash from operation of THB 148 million. Loan from financial institution of THB 500 million with loan payment term period within 5 years.