Attention: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for

-9320 1 Ref: PLC 2019/011 November 13, 2019 Subject: Management Discussion and Analysis Quarter 3 Ended 30 September 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

-9320 1 Ref: PCL 2020/011 May 11, 2020 Subject: Management Discussion and Analysis for the 3-month period ended 31 March 2020 To: The President of the Stock Exchange of Thailand Panjawattana Plastic

connected transactions and acquisition of assets, the company is required to disclose the information on transactions to the Stock Exchange of Thailand (SET) and seek shareholders? approval on the

assessment showed that 60 percent of listed companies on the Stock Exchange of Thailand (SET) have placed priority on anti-corruption practices while 19 companies have been certified by the Collective Action

1 No. CC20171103ELE November 13, 2017 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2017 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal

assistance) (Additional) To: The President The Stock Exchange of Thailand The Board of Directors Meeting of G J Steel Public Company Limited (“Company”) No.8/2017 held on September 22, 2017 has passed the

No. GST/ELCID-21/2560 September 25, 2017 Subject: Reports on Connected Transaction (receiving financial assistance) (Additional) To: The President The Stock Exchange of Thailand The Board of Directors

) Attention: President The Stock Exchange of Thailand Reference Letter: The Letter of the Company dated 10 April 2018 re: Acquisition and Disposition of Assets Pace Development Corporation Public Company

of Shares of Trans.Ad Solutions Co., Ltd. (Added) Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of Nation International Edutainment Public Company