KarnchANG to carry out maintenance and improvementof the civil works of the SiRat Expressway, the Prachim Ratthay Expressway and the Udon Ratthaya expressway, as per the following details: Transaction Date.: By January 2024. Karnchang is appropriate. Calculation of Size of the Connected Transaction. This transaction has the total work value of THB 1,020.17 Million (excluding VAT), representing 2.78%, as compared to the net tangible asset value under the consolidated financial statements as at September 30, 2023. According to the regulations of the Stock Exchange of Thailand, the transaction with its value of less than 3% (THB 36,660.84 Million X 3% = THB 1,099.82 Million) is subject to consideration and approval of the Board of Directors. Nature and Scope of Interests of Connected Persons. CH. Karnchang is the Company's major shareholder, whereby according to the share register as at March 9, 2023, CH. Karnchang held 5,260,056,884 shares in the Company, representing 34.41% of the registered capital.