(Translation) 14th November, 2017 Ref: SET-2017-020 Re: Management's Discussion and Analysis and operating results for the 3rd Quarter 2017 Dear: The President The Stock Exchange of Thailand Filter

Dec 2018 % Change Exchange differences on translating financial statements 37 0 67,120% Net increase (decrease) in cash and cash equivalents 16 3 480.7% Cash and cash equivalents at beginning of periods

Analysis Q2/2020 IR63/013 13 August 2020 Subject Management Discussion and Analysis for the second quarter ended 30 June 2020 Attention President The Stock Exchange of Thailand According to the resolution of

analysis report of the financial positions and result of business operations differences more than 20% compare to the previous year. To : Board of Governors and the President of The Stock Exchange of

date for determining the underlying value: Guarantee/collateral: Method of redemption:  Physical  Cash  Physical or Cash  Etc. …… Principal protection at maturity date: Offering price: Condition for

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received the Top Innovative Organization Award 2018, which was arranged by National Innovation Agency (Public Organization), The Stock Exchange of Thailand (SET), Market for Alternative Investment (MAI) and