Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

efficiency of the regulatory regime  This is to help shorten procedures for businesses, yet enhancing their competitive edge. However, it will be carried on based on a reasonable level and speed so as for the

cost control. Net profit ( pre- TFRS 16) declined - 23% YoY, - 6. 5% QoQ from unrealized foreign exchange loss and increasing D&A, while excluding foreign exchange effect net profit declined - 21% YoY

Definition of “Executives” under Chapter 3/1 of the Securities and Exchange Act B.E. 2535 (1992) as Amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008)

Rules, Conditions and Procedures for Filing of Annual Financial Statements and Preparation of Reports of the Stock Exchange of Thailand

Offering for Sale of Certificates Representing Interest from Underlying Securities by the Subsidiary of the Stock Exchange of Thailand

Provisions relating to Offer for Sale of Shares Issued by Foreign Company Whose Shares Are Not Traded on Foreign Exchange

The Repeal of Notifications related to Operation of Securities Clearing House, Central Securities Depository, Derivatives Exchange and Derivatives Clearing House

THANACHART FUND MANAGEMENT COMPANY LIMITED|Exchange Traded Fund : ETF | Offering Date : 27/03/2012 - 30/03/2012

ONE ASSET MANAGEMENT LIMITED|Exchange Traded Fund : ETF,Gold Fund | Offering Date : 19/09/2011 - 03/10/2011