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

-Translation- Ref. No. PorBor. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited Reference to the Board of Directors

Machines for the Debenture Debt repayment To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited

The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited Reference to the Board of Directors’ meeting of Rich

2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020

Issued and paid-up share capital 21. Stock rights and warrants 22. Additional paid-in capital (discount on capital stock)) 23. Appraisal surplus 24. revaluation surplus (deficit) in investments) 25

capital 20.2 Issued and paid-up share capital 21. Stock rights and warrants 22. Additional paid-in capital (discount on capital stock)) 23. Appraisal surplus 24. revaluation surplus (deficit) in investments

any securities; “general advice” means giving advice to any person regardless of the purpose of investment, financial position and desire of such person; “specific advice” means giving advice to any

of our products, LUCARIS Desire Collection with Aerlumer signature won the China Good Design Award 2017 by Red Dot Award, Germany. The Company also continued strengthening its brands by promoting