April 27th, 2021 No. ACC/HO 008/64 Topic: Management Discussion and Analysis for the Quarter of 1/2021 To: President The Stock Exchange of Thailand During the first quarter of 2021 a new wave of

Page 1 of 3 GEL.CS.001/2563 2 March 2020 Subject: Management Discussion and Financial Analysis for the operating results as at December 31, 2019 To: Director and Manager The Stock Exchange of

(Translation) UAC.CS/012/2020 May 14, 2020 Subject: Explanation of the operating results for the first quarter period ended March 31, 2020 To: President The Stock Exchange of Thailand Attachment

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Stock Exchange of Thailand The Board of Director’s meeting No. 3/2020 of General Engineering Public Company Limited (“the Company”) held on May 15, 2020 has approved and verified the financial statements

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Translation DIMET AC 2008/001 August 31, 2020 Subject Management Discussion and Analysis for business operation year 2019 (July 1, 2019 - June 30, 2020) To The Manager and President The Stock