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ที่________ - Translation - No: SN.056/2017 November 16, 2017 Subject: Clarification of Operating Results and Financial Status for 2017, ended 30 September 2017 Attention: President The Stock

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

with the same period of the previous yearly To: The President The Stock Exchange of Thailand Due to The Manufacturing Production Index (MPI) grew by 1.58 percent from 2016, making Thai economy more

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Period (Q1/2019) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period ended 31 March

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results for the six-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech