The Board of Directors' Meeting Diamond Building Products Public Company Limited dated June 27, 2022 has unanimously resolved to approve an investment in a machinery installation project for production of concrete roof tiles with a production capacity of 100,000 metric tons per year at the Saraburi Plant, using an investment budget of approximately THB 477 million. The processing time is estimated at 20 months. The additional investment is deemed necessary as the Company's current capacity utilization rate has reached 95%.

Such investment project has the transaction size of 13.73% based on the total value of consideration according to the consolidated financial statements as at March 31, 2022 and that the Company has no transaction occurred during the past 6 months prior to this transaction. Therefore, this transaction is not considered to be within the criteria for disclosure of information in accordance with the notification of the Stock Exchange of Thailand regarding rules on entering into material transactions deemed as acquisition or disposal of assets and this transaction is not a connected transaction.