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2017 Subject: Notification of the Board of Directors No. 9/2017, determination of the date of the Extraordinary General Meeting of Shareholders No.1/2017, determination of all Record Date and Asset

participate the vote of approval as followings 1. Approve for the Company to participate the vote of approval in the Extraordinary General Meeting of Shareholders No. 1/2020 held on 12 February 2020 of Rich

Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary

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

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

1 August 17, 2018 Subject: Notification of the Resolutions of the Board of Directors’ Meeting and Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President

Limited at the Meeting No. 17/2019, held on 3 December 2019, had adopted resolutions to report to the SET as follows: 1. Approve to propose that the extraordinary shareholders’ meeting No. 1/2020 consider