Ref Ref. 2S_BoD017/2019 November 13th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand The Board of Directors’ meeting of

Ref Ref. 2S_BoD024/2017 August 9th, 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 (the

Ref Ref. 2S_BoD024/2017 August 9th, 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 (the

Ref No. CC20170803ELE August 10, 2017 Re: Clarification of the changes in operation performance for the second quarter and the first half ended June 30, 2017 Attn: The President The Stock Exchange of

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: VNT-CPR-2012 Ref: VNT-CPR-2018.001 23 February 2018 Subject: Resolutions of the Board of Directors' Meeting of Vinythai Public Company Limited No.1/2018, Fixing Date of the Annual Ordinary

Ref: VNT-CPR-2012 Ref: VNT-CPR-2018.001 23 February 2018 Subject: Resolutions of the Board of Directors' Meeting of Vinythai Public Company Limited No.1/2018, Fixing Date of the Annual Ordinary