[Translation] Page 1 of 3 Ref. PDI/BK-BS-049/2019 9 August 2019 To: President The Stock Exchange of Thailand Subject: The notification of the connected transaction and the dissolution of a Subsidiary

-9320 Ref: PLC 2020/002 February 3, 2020 Subject: Disclosure of Connected Transaction Information Regarding Area rental agreement To: The President of the Stock Exchange of Thailand Panjawattana Plastic

@halcyon.co.th No. CS-2563/014 14 August 2020 Subject: Management Discussion and Analysis for the 6-Month Period Ended 30 June 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

Bangchak Corporation Plc. Table of Contents 5 10 0 10 Refinery Business 14 Marketing Business 16 Green Power Business 18 Bio-Based Products Business 21 Exploration & Production Business 26 31 30 Statement

Microsoft Word - MDA FY18 EN February 20, 2019 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

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November 13, 2018 Subject: MD&A for the financial statements of the 3rd quarter of fiscal year 2018 ended as of September 30, 2018 To: The President The Stock Exchange of Thailand Aapico Hitech Public

NEP 045-2562 12 September 2019 Subject: Resolutions of the Board of Directors' Meeting regarding entering into transaction with connected person To: President The Stock Exchange of Thailand The

(Translation) Ref: EIC-AD012/2020 14 May 2020 Subject: Management Discussion and Analysis for the Performance for the three-month period ended 31 March 2020 To: President The Stock Exchange of Thailand The Board

on the exchange rate of 1 USD = Baht 30.980 as at 26th July 2019, and this rate will be used as reference only and will be used throughout this document 4 The combined production capacity of the