(Translation) Ref. No. 1808/036EN August 10, 2018 Subject: Operating Result Clarification for Q2/2018 (Ending June 30, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia

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1 Ref: CK-18-0000-AFD(AC)-L-0039 August 14, 2018 Subject: Clarification on Operating Result and Financial Position for the six-month ended June 30, 2018 Attention: President The Stock Exchange of

Microsoft Word - MD&A 1H2018-final-FA-E.doc 1 Ref: CSO. 032/2018 Date: 23rd August 2018 Subject: Management discussion and analysis of financial results for the six months ending 30th June 2018

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Attention: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for

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results for the nine-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

stability and prevents systemic risk to promote sustainable financial market growth, and worked closely with the Stock Exchange of Thailand to reduce redundancy and facilitate the business sector.?SEC has