Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

MATI 07/2563 May 14, 2020 Subject Reporting First Quarter Consolidated Financial Statement which ended at March 31, 2020 To Director and Manager The Stock Exchange of Thailand For three-month period

and Managers, The Stock Exchange of Thailand The Board of Directors’ Meeting of Halcyon Technology PLC. (the “Company”) had passed the resolution to convene the 2020 Annual General Meeting of

-9320 Ref: PLC 2020/008 April 7, 2020 Subject: Postponement of the 2020 Annual General Meeting of Shareholders ("AGM") and Notice of interim dividend agenda consideration To: The President of the Stock

1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th No. CS07/2020 May 12nd, 2020 Subject: Declaration of Operating Results for the 1st quarter ended 31 March 2020 Attn: Director and Manager, The Stock

Ref. POL. 140/2020 August 13th 2020 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate Public Company

discount since the demand and supply of biodiesel close to equilibrium. With deducting the effect of Stock Gain & NRV of THB 92 million, the Company had Adjusted EBITDA of THB 253 million, an increase of 18

- Translation - No. LMJG/SET/2020/013 May 18th, 2020 Subject: Clarification for the change of Operating Results more than 20% Attention: The President The Stock Exchange of Thailand Impact from the

mandatory diesel to gradually replace B7 since January 2020. Comparison with 1Q2020, CPO price plummeted, pressured by a high level of CPO stock in Thailand due to high seasonal palm production in this

not organize any functions including meetings resulted from self-quarantine measures to prevent the spreading of Coronavirus 2019 (Covid-19) transmission. In addition, the hotel has closed Spa and