the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1

investment on assets (Revision 2) Attention: Directors and Managers The Stock Exchange of Thailand Attachment: 1. Information on the investment on assets 2. F53-4 form 3. Details on the issuance of warrants to

ที่ กบร No. Kor Bor Ror. 032/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Increase of the investment proportion in the ordinary shares of Pattaya Manufacturing Co., Ltd. Dear

1 No. EPG-CS-012-2017 12 December 2017 Subject: Acquisition of business in Australia To: President The Stock Exchange of Thailand The Eastern Polymer Group Public Company Limited (the “Company

of Assets and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning the 2 Acquisition or Disposal of

-Translation- Ref. No. PorBor. 004 / 2020 January 10, 2020 Subject: Notifying cancellation of the resolution of the Board of Directors’ Meeting and Schedule Entering into Transaction of Disposing 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

. 20/2551, Re: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets, and the Notification of the Board of Governors of the Stock Exchange of Thailand, Re: Disclosure

within the disclosure requirement under the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning the

transactions with seller by during past 6 months). This transaction must be approved by the Board of Directors and disclosed to the Stock Exchange of Thailand but need not approval by the General Shareholders