1 12 February 2018 Subject: Explanation of operating result in the financial statement ended 31 December 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

exchange of digital assets (secondary market). In addition, there are continuous news updates regarding digital assets for the public to read and understand them before making an investment.SEC Secretary

Bangkok, August 17, 2011- Chalee Chantanayingyong, Acting SEC Secretary-General and Chairman of the Capital Market Supervisory Board (CMSB) revealed that the CMSB approved to relax regulations to

referral from the Stock Exchange of Thailand (SET), irregularities were detected in relation to the trading activities of such shares by a certain group of persons. An SEC subsequent investigation revealed

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of Bangkok

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person (Additional) Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting

Microsoft Word - Eng-SET Q1-19 reviewed Ref: FASET 02/2562 May 15, 2019 Subject: Report the operating result for the first quarter ended March 31, 2019 To: President of the Stock Exchange of Thailand

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subsidiary To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of Directors’ Meeting of the Company No 1/2020, held on

(UNOFFICIAL TRANSLATION) (Updated as of 2015) Form 61-1 1. Application for Approval of Capital Market Auditor Date: ............. Month: ......... Year: .......... Dear Secretary-General, Office of