: Management explanation and analysis for three-month period ended 30 June 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

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COMPANY LIMITED PROEN: PROEN CORP PUBLIC COMPANY LIMITED PSG: PSG CORPORATION PUBLIC COMPANY LIMITED PTC: PREMIER TANK CORPORATION PUBLIC COMPANY LIMITED PTTEP: PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY

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PERIOD ENDED 30 JUNE 2020 now via this vertical integration can become an integrated part of the production process, and gives the ability to Golden Lime to fully control the material management from raw

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Excessive Charge, Service Fees for Wastewater Management 3 Gross Profit from Operation excludes Other Revenue from Utilities Business. 4 Other Incomes mainly consists of Interest Income from Loans to GHECO

-Translated Version- No. ECF2 032/2020 14 August 2020 Subject: Management Discussion and Analysis of the 2nd quarter and 6-month period ended 30 June 2020 To President The Stock Exchange of Thailand