The Board of Directors of Sahacogen (Chonburi) Public Company Limited at Meeting No. 1/2024 held on February 21, 2024 approved the entering into a connected transaction, to extend the Management Service Agreement with RATCH Group Public Company Limited ("RATCH"), a major shareholder who holds shares in the Company in the proportion of 51.67%, with details of the connected transaction as follows: 1) Date of the Transaction: March 1, 2024 2) Connected Parties involved 3) Service Receiver: Sahacogen (Chonburi) Public Company Limited Service Provider: RATCH Group Public Company Limited 4) The General Description of: Management services for the Service Provider's personnel who assigned to work the Transaction in the positions of Managing Director and business development executives for managing the Company. 4) Value of the Transaction: THB 589,797 per month with an annual increase at the rate of 6.5% per year.

(No more than THB 14.62 million), based on the market price. The extended contract period is 2 years (March 1, 2024 to February 28, 2026) from the date of the transaction. The Company will pay the service fee to the Service Provider in monthly basis throughout the contract period to compensate for managing the Company.