Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. To : Director and Manager of The Stock Exchange of Thailand. We, Hwa Fong

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. (Additional) To : Director and Manager of The Stock Exchange of Thailand. We

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

Ref No. CC20171104ELE November 13, 2017 Re: Clarification of the changes in operation performance for the third quarter and the nine- month period ended September 30, 2017 Attn: The President The

Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong

Ref Ref. 2S_BoD001/2019 February 27th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

Ref Ref. 2S_BoD008/2019 May 13th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Ref Ref. 2S_BoD013/2019 August 14, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Ref เลขที่ 18 ซอยสาทร 11 แยก 9 อาคารทีเอฟดี แขวงยานนาวา เขตสาทร กรุงเทพมหนคร 10120 18, Soi Sathorn 11 Yeak 9, TFD Building, Yannawa, Sathorn, Bangkok 10120 Thailand. Tel : (66) 2676 4031-6, (66) 2676

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