1 27 May 2019 Subject: Explanation of operating result in the financial statement ended 31 March 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement of FY

equity offerings both primary listing where foreign companies launch IPOs and become listed firms on the Stock Exchange of Thailand (SET) and dual offering where IPOs by foreign companies are launched in

Call for and Deposit of Margins for Derivatives Trading in Derivatives Exchange (No. 2)

Re: Initial and Maintenance Margin Requirements for Derivatives Trading in Derivatives Exchange

Initial and Maintenance Margin Requirements for Derivatives Trading in Derivatives Exchange

ONE ASSET MANAGEMENT LIMITED|Exchange Traded Fund : ETF | Offering Date : 01/08/2011 - 08/08/2011

ONE ASSET MANAGEMENT LIMITED|Exchange Traded Fund : ETF | Offering Date : 31/01/2013 - 12/02/2013

ONE ASSET MANAGEMENT LIMITED|Exchange Traded Fund : ETF | Offering Date : 20/07/2009 - 28/07/2009

network quality and superior customer experience. In 3Q18, we engaged in two key partnerships to strengthen core business as well as to drive our mobile money business. First, we have announced a strategic

higher spectrum amortization. QoQ, net profit dropped -by 8.1% from lower core service revenue and unrealized foreign exchange loss. Excluding foreign exchange impact, normalized net profit was Bt6,345mn