No. ADD 11/2023 11 May 2023 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2023 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 12/2024 10 May 2024 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2024 To: President The Stock Exchange of Thailand AddTech Hub

Writer Ref. No. 030/2561 27 February 2018 SUBJECT : The audited financial statements ended 31 December 2017. ATTN : The President Stock Exchange of Thailand Attachment : Nam Seng Insurance Plc's

E280218 Our Ref: TL001/18 February 28, 2018 The Stock Exchange of Thailand 93, The Stock Exchange of Thailand Building Ratchadapisek Road, Dindaeng Bangkok 10400 Attention: The President Dear Sir

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

Our Ref: TL015/02 Our Ref: TL011/18 May 14, 2018 The Stock Exchange of Thailand 93, The Stock Exchange of Thailand Building Ratchadapisek Road, Dindaeng Bangkok 10400 Attention: The President Dear

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

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

Company started trading its newly issued stock on 15 February 2017. Issued and paid-up share capital Ownership interest 30 June 2017 30 June 2017 Name of the entity Type of business Baht % 80.00 99.27 Car