: The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2020 interim consolidated financial statements of Wave

Registration No. : 0107535000371 No. L017/2019 12th November 2019 Subject : The explanation of operating results for the 3rd quarter 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For

No. ACC 07/2017 SUBJECT EXPLANATION FOR THE INCREASE IN NET PROFIT OF OVER 20 PERCENT FOR YEAR 2016, COMPARED TO THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar

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 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_BoD024/2018 August 14th, 2018 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

19 เมษายน 2539 (TRANSLATION) Tor. For. 18 /2018 September 3, 2018 Subject : Clarification on the Company’s Operation Results for Q2/2018 To : President of the Stock Exchange of Thailand As Far East

Ref Ref. 2S_BoD029/2018 November 14th, 2018 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. 089/2020 May 15, 2020 SUBJECT : Management Discussion and Analysis ending March 31, 2020 ATTN : The President Stock Exchange of Thailand Nam Seng Insurance Plc would like to clarify the