of Approval for Investor Contacts In continuation of the Notification of the SEC Office No. SorKhor. 15/2548 Re: Approval for Investor Contacts and Standards of Conduct dated 21 June 2005 as amended by

the period in continuation of the period approved under the Notification No. SorKhor. 25/2547. Clause 15. The applicant for approval for investor contact who has qualifications and submits the

elements in TSQC 1, as follows: (1) Leadership Responsibilities for Quality within the Firm (2) Relevant Ethical Requirements (3) Acceptance and Continuance of the Client Relationship and Specific