Office of the SEC regarding Approval of Auditors , from....(date)……. until ....(date)……, I hereby wish to inform the change of the audit firm to which I am attached, from …….…(name of the former audit firm

Office of the SEC regarding Approval of Auditors, from....(date)……. until ....(date)……, I hereby wish to inform the change of the audit firm to which I am attached, from …….…(name of the former audit firm

1st Quarter 2017 ended of 31 March 2017 Attention The President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the

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 2 / year

No.021/2018 August 15, 2018 Subject: Report the operating result for the 2nd Quarter ended June 30, 2018 and the explanation for the causes of change more than 20% in the Company’s performance

of Baht 894.03 million. The Company would like to clarify a significance change of Group’s operation results which could be summarized as follows: 1. Revenue from sales of goods and rendering of

million, decreasing by Baht 8.80 million or 10.13% from end of 2018, mainly due to dividend payment to shareholders. Cash Flow Statement Analysis Unit : MB For the period ended For the period ended Change

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0140 /2020 13 May 2020 Subject: Management Discussion and Analysis for the First Quarter ended 31 March 2020 To President The Stock Exchange of Thailand Quality

could not able to raise the price. EBITDA in the year 2019 and 2018 amounted THB 70.6 MB and THB 83.9 MB respectively. change 2019 2018 increase (decrease) Sales 760.2 841.1 -9.6% Other income 35.1 29.9

details of the change are as follow : 2.1 Current liability as at June 30, 2017 amount of Baht 75.72 million increase Baht 25.06 million or 49.46%, This is an increase in raw material creditor due to the