15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

14 August 2018 Subject: Management Discussion and Analysis for the Six-Month Period Ended June 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

Exchange of Thailand The Board of Directors’ Meeting of Ladprao General Hospital Public Company Limited (the “Company”), No.4/2020, held on August 14, 2020, has approved the financial statements of the

aggregator for investors’ portfolios, and (2) Enhance domestic institutional investors’ role to increase Thai equity allocation;        Attractive Supply: (1) Attract quality listing to drive new growth into

: BC.017/2018 May 11, 2018 Subject Interim Management’s Discussion and Analysis for the three months ended March 31, 2018 To The President The Stock Exchange of Thailand Management Discussion and

months ended June 30, 2018 To The President The Stock Exchange of Thailand Management Discussion and Analysis Consolidated Financial Statements For the six-month period ended June 30, 2018 Operating

November 11, 2019 SET-19-AC-004 Dear The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the nine months ended September 30, 2019 According to the

three years. In comparison, it took more than 40 years for the Stock Exchange of Thailand to reach the same level of growth. The SEC has therefore launched the investor education series starting with

, demonstrating growth in leaps and bounds.The corporate governance assessment of Thai listed companies under the 2014 ASEAN CG Scorecard program shows that Thai companies continue to be regional leaders on CG

% year-on-year in USD terms to USD 162m from USD 165m in Q118. The average exchange rate for Q119 was similar at THB/USD 31.6 from THB/USD 31.5 in Q118. As a result the sales revenue in THB terms also