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

Association with Department of Business Development, Ministry of Commerce; 4.5 The Company shall obtain approval from the Stock Exchange of Thailand on the listing of new ordinary shares in the Stock Exchange

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.2) To: The President of the Stock Exchange of Thailand Enclosure: 1

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.3) To: The President of the Stock Exchange of Thailand Enclosure: 1

(Translation) No. CK-19-0000-PO-L-0008 February 28, 2019 Re: Scheduling of the 2019 Annual Ordinary General Meeting of Shareholders and Declaration of Dividend Payment Attn: President of the Stock

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

of knowing and categorizing type of client shall be revised and updated within a period of time specified by the Association , with an approval of the SEC Office, except that the intermediary which is

The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary Shares to Specific Investors (Private Placement) at the Offering Price with a Discount of

Extraordinary General Meeting of Shareholders No.1/2019 (EGM 1/2019) To: The President of the Stock Exchange of Thailand Attachment: 1. Information Memorandum of the Purchase and Acquisition of Entire Business

No. ED-MD2020-0008 March 12, 2020 Subject: Announcement of schedule AGM for the year 2020 and omission of dividend for year 2019. Attention: The President,The Stock Exchange of Thailand The Meeting