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

/2561 June 19, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q1/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

Company to entering into the Assets Sale and Purchase Agreement for Kitchen Plus Restaurant Franchise Business with Kitchen Plus 999 Co., Ltd. Attn.: President The Stock Exchange of Thailand NPPG (Thailand

the Company to entering into the Assets Sale and Purchase Agreement for Kitchen Plus Restaurant Franchise Business with Kitchen Plus 999 Co., Ltd. (Amendment) Attn.: President The Stock Exchange of

Energy Recovery Unit from Thai Oil Public Company Limited and entry into the relevant agreements (Edited) Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Asset

offering of warrant to purchase ordinary shares of the Company to existing shareholders and joint ventures in subsidiary. (Edited) To: The President The Stock Exchange of Thailand Enclosure 1. Capital

price of Baht 865.30 per share. Completion date of the purchase of shares within November 2020 Significant Condition Precedents 1. NBC has been approved by its board of directors and shareholders’ meeting

Investing in future contract require investor to deposit certain asset with the derivatives broker for securing the fulfillment of futures contract by the investor. However, the amount of assets placed as an

financial. 3. Risk of loss beyond initial margin Investing in future contract require investor to deposit certain asset with the derivatives broker for securing the fulfillment of futures contract by the

___________ baht per share. In case of having securities listed elsewhere, identify the name of the Stock Exchange. (2) In case of having other types of share such as preferred share whose rights or terms