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-5170529 14 November 2017 RE: Explanation of performance for the third quarter of 2017 with a change exceeding twenty percent from the previous year. ATTN: Managing Director, Stock Exchange of Thailand

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Page 1 of 2 No. ACC1903/001 March 1, 2019 Subject: Approval to enter into Contract to sell of Common Stock To: President The Stock Exchange of Thailand According to the Board of Director’s Meeting No

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1 - TRANSLATION - VS/PC (Q-CON) 026/2018 August 06th , 2018. Attention Director and Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter

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