1 No. LorBor. 11/2019 May 13, 2019 Re: Joint Venture in Pulp Mold Manufacturing Project Attn.: President The Stock Exchange of Thailand Kaset Thai International Sugar Corporation Public Company

- Transalation - No. AEC 321/2018 November 12, 2018 Subject: Disposition of Assets of AEC Securities Public Company Limited (Amendment) Attention: President The Stock Exchange of Thailand AEC

number 3. Experience in capital markets Are you currently allowed by law to audit the financial statements of the public interest entities whose shares are traded in the main board of the foreign stock

“ controlling person ” shall have the same meaning as defined in the Notification of the Securities and Exchange Commission concerning Determination of the Definitions in [Other] Notifications relating to

person” shall have the same meaning as defined in the Notification of the Securities and Exchange Commission concerning 2 Determination of the Definitions in [Other] Notifications relating to Issuance and

“warrant” “execise of rights under warrants” “institutional investors” “registration statement” “parent company” “subsidiary company” “executive” “major shareholder” and “controlling person” shall have the

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

According to a referral from the Stock Exchange of Thailand (SET) and the SEC’s further investigation, it was found that during 4 - 22 December 2014, 13 persons colluded to manipulate the price of

such manipulation, in the total amount of 2,166,666.66 baht.Details are as follows: (1) ASCON price manipulation: following the Stock Exchange of Thailand (SET)?s report on irregular trading of ASCON