(Translation) UAC.CS/013/2017 August 15, 2017 Subject: Explanation of the operating results for the second quarter period ended June 30, 2017 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/014/2017 November 13, 2017 Subject: Explanation of the operating results for the third quarter period ended September 30, 2017 To: President The Stock Exchange of Thailand

Microsoft Word - NWR 030_E_Year18 (Translation) No.FN-NWR 030/2562 28 February 2019 Subject : Submission of Financial Statements for the Years ended 31 December 2018 To : President The Stock Exchange

Microsoft Word - NWR 93-62_E_Q1 (Translation) No.FN-NWR 093/62 14 May 2019 Subject : Submission of Financial Statements for the first quarter ended March 31,2019 To : President The Stock Exchange of

Microsoft Word - NWR 75-61_E_Q1 (Translation) No.FN-NWR 075/61 15 May 2018 Subject : Submission of Financial Statements for the first quarter ended March 31,2018 To : President The Stock Exchange of

Stock Exchange of Thailand The Board of Director’s meeting No. 4/2018 of General Engineering Public Company Limited (“the Company”) held on 15 May 2018 has approved and verified the financial statements

- Translation - 9 November 2018 Subject: Management’s Discussion and Analysis for the Operating Results of the 3 rd Quarter of 2018 Attention: The President of the Stock Exchange of Thailand Exotic

13 November 2019 Subject : Explanation of the operating results for the nine months of the year 2019, change in excess of 20% Attention: Directors and Managers the Stock Exchange of Thailand According

-month period ended March 31, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2020 of WIIK Public Company

(Translation) Ref: EIC-AD012/2020 14 May 2020 Subject: Management Discussion and Analysis for the Performance for the three-month period ended 31 March 2020 To: President The Stock Exchange of Thailand The Board