No.019/2017 August 11, 2017 Subject: Report the operating result for the 2nd Quarter ended June 30, 2017 and the explanation for the causes of change more than 20% in the Company’s performance To

Ref Ref. 2S_BoD031/2017 November 8th, 2017 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

2017 Attention President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statement as follows: Quarter 3

No.024/2017 November 14, 2017 Subject: Report the operating result for the 3rd Quarter ended September 30, 2017 and the explanation for the causes of change more than 20% in the Company’s performance

No.002/2017 February 09, 2017 Subject: Report the operating result for the year ended December 31, 2017 and the explanation for the causes of change more than 20% in the Company’s performance To: The

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statement as follows: year 2016 year 2017 Change

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

Manager of the Stock Exchange of Thailand For the Q2/2019 period ended of June 30, 2019 (3 months) operating result of the company net loss Baht 6.47 Million comparison with the previous Q2/2018’s net loss

ชี้แจงภาษาอังกฤษไตรมาส2-2562 INTEGRITY QUALITY SERVICE SAHA-UNION GROUP August 13, 2019 RE : Explanation of change in operating results for the second quarter of 2019 exceeds twenty percent from the

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statements as follows: Quarter 1 / year 2017 Quarter