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: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 2nd Quarter ended June 30, 2017 that total revenue was THB7.03 million

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial situation and business operation for Quarter 2/2017

No. INGRS001 15 September 2017 Re: Explanation about 6-month financial performance of INGRS for the period ended 31 July 2017 To the President of the Stock Exchange of Thailand Ingress Industrial

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set-q4-61 (Translation) Ref.No.LEE 02/2019 27 February, 2019 Subject : Management Discussion and Analysis for the year ended December 31, 2018 To : President of The Stock Exchange of Thailand We

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- Translation - Ref : LPH/SET 2019/007 May 15, 2017 Subject : Clarification on the Operating Results for the three-month period ended March 31, 2019 (Q1/2019) To : President The Stock Exchange of