the Board of Directors’ Meeting No. 3/2018 which was held on Aug 9, 2018 passed a resolutions granting approval for the establishment of new subsidiary, details are as follow: Registration date : Sep 3

Stock Exchange of Thailand According to the resolution of the Extraordinary General Meeting No. 1/2018 held on 19 June 2018, the meeting resolved to approve the acquisition of ordinary shares in TSE

December 3, 2018 Re: Assistance financial to the related companies. To: Director and Manager of Stock Exchange of Thailand According to the Board of meeting of D.T.C. Industries Plc. No. 6/2018 on

1/4 REF: SET-2018-021 December 12, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2018 – Related Party Transaction To President The Stock Exchange of Thailand Filter

( Translation ) Ref. No. HARN 011/2019 14 November 2019 Subject: Notification about Related Parties Transaction To: Director and Manager The Stock Exchange of Thailand (“the SET”) The committee of

completed in this current quarter while another one has been under work delivery from a contractor. Comparing to the same quarter in 2019, there were 4 projects and there has been no new awarded project in

Subsidiary's Machines for the Debenture Debt repayment (Cancellation of date for the EGM No.1/2020) 06/01/2020 20:40 Notifying the resolution of the Board of Directors' Meeting and Schedule of Entering into

U City Public Company Limited (Registration No. 0107537000459) 21 TST Tower Soi Choei Phuang, Viphavadi-Rangsit Road, Chomphon, Chatuchak, Bangkok 10900, Thailand T: +66.2273.8838 F: +66.2273.8858

บริษทั เค.ซี.เมททอลชีท จาํกดั (มหาชน) K.C. METALSHEET Public Company Limited Reg. No. 0107557000331 567 หมู่ที 2 ถนนเลียงเมือง ตาํบลพระลับ อาํเภอเมืองขอนแก่น จังหวัดขอนแก่น โทร. -4332-7888 แฟกซ

certified public accountant No.………………..., working with ………….(name of the audit firm)…………., hereby certify as follows: 1. My immediate family members, including spouse and minor children, and I do not hold any