Notification of the relocation of the company's head office

Letter No. : MMS-CS68/019 Subject : Notification of the relocation of the company's head office To : The President The Stock Exchange of Thailand ______________________________________________________________________ Notify Company Information Change Effective Date of Information Change : 17-Dec-2025 Company Address Postal Code (Current) : 10300 Postal Code (New) : 10120 Company Address (Current) : 305/12 SUKHOTHAI SOI 6, SUKHOTHAI ROAD, DUSIT, DUSIT Company Address (New) : 379 Soi Sathu Pradit 19, Sathu Pradit Road, Chong Nonsi, Yannawa Company Contact Telephone Number (Current) : 0-2243-6543-6 0-2669-4200-9 Telephone Number (New) : 0-2669-4200-9 Fax (Current) : 0-2243-1494, 0-2243-4124 Fax (New) : - ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( MR.Chayanont Ulit ) Chief Executive Officer Authorized person to disclose information ______________________________________________________________________ Company Secretary Department and Investor Relations Tel. 02 669 4200-9 ext. 5401,5402 Email: corporate_secretary@mmsbangkok.com ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.