Establishment of Subsidiary 08/07/2022 08:59 Determination of the subscription date and the date for payment of subscription of newly issued ordinary shares of DIMET Siam Public Company Limited to be allocated by

Determination regarding Types of Transactions in Capital Market Allowed to Use Form of Trust (No. 3)

Determination of Type of Transactions in Capital Market Eligible for Trust Creation

Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Debt Securities

Determination of Fees for Filing of Registration Statement, Registration and Other Applications (No. 4)

Determination of Other Securities Which Are Not Subject to Provisions concerning Public Offering of Securities

Re: Guidelines for the Book Building and the Determination of Offering Price to Public and Individual

Re: Determination of Characteristics of Centers or Networks Which Are Not Deemed as Derivatives Exchange

Re: Determination of Fees for Filing, Registration and Other Applications (No. 5)

Re: Determination of Fees for Filing, Registration and Other Applications (No. 7)