. Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 35/2557 Re: Rules in Detail on Communication with and Providing Services to Clients of Securities Companies and Derivatives

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC

INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC COMPANY LIMITED COUNTRY GROUP DEVELOPMENT PUBLIC COMPANY LIMITED COUNTRY GROUP HOLDINGS PUBLIC

INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC COMPANY LIMITED COUNTRY GROUP DEVELOPMENT PUBLIC COMPANY LIMITED COUNTRY GROUP HOLDINGS PUBLIC

INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC COMPANY LIMITED COUNTRY GROUP DEVELOPMENT PUBLIC COMPANY LIMITED COUNTRY GROUP HOLDINGS PUBLIC

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC

PUBLIC COMPANY LIMITED COL PUBLIC COMPANY LIMITED COM7 PUBLIC COMPANY LIMITED COMANCHE INTERNATIONAL PUBLIC COMPANY LIMITED COMMUNICATION AND SYSTEM SOLUTION PUBLIC COMPANY LIMITED COPPERWIRED PUBLIC