February 25, 2019 SET-19-AC-001 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the year ended 31 December 2018 According to the resolution of BKD’s

August 10, 2018 SET-18-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 June 2018 According to the resolution of

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1 Translation CEN 001-2021 March 1, 2021 Subject Management Discussion and Analysis for the year 2020 To The Manager and President The Stock Exchange of Thailand Capital Engineering Network Public

optimization of stock management and the delaying of all but essential capital expenditure, as well as concise management of cash flow, working capital, and financial liquidity has resulted in achieving the

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; “central securities depository” means any central securities depository according to the Law on Securities and Exchange; “Stock Exchange” means the Stock Exchange of Thailand according to the Law on

number of pages • Language: Concise and easy-to-understand language shall be used. If technical terms are used, further explanation thereon may be added at the end of the factsheet. • Font: The management

Factsheet 1. Guidelines on the use of language, font and number of pages • Language: Concise and easy-to-understand language shall be used. If technical terms are used, further explanation thereon may be

required to be disclosed in Factsheet 1. Guidelines on the use of language, font and number of pages • Language: Concise and easy-to-understand language shall be used. If technical terms are used, further