Yunnan Tin (Shanghai) Investment Development Co., Ltd.

Date:April 8, 2024

1. Brief Introduction

Yunnan Tin (Shanghai) Investment Development Co., Limited(hereafter referred to as “the company”) was established in Lin Gang New Area of Shanghai Free Trade Zone, with a registered capital of RMB 1 billion. The company is a wholly-owned subsidiary ofYunnan Tin Co., Ltd., which is a world's leading company in the tin industry and the only A-share listed company with a complete tin industry chain in China. The company aims toachieve the integration ofproduction and financing, andbuildan international financial platform for import and export trade.

With the support of the industrial advantages of Yunnan Tin Group and the geographical advantages of Shanghai, the company will link domestic and overseas business, improve financial cooperation and innovation through international trade.

2.Contacts

Tel:+86 21-5266 4788,

Fax:+86 21-5266 5808,

Mobile:Mr.Liu +86 186 1680 0172, Ms.Ju +86139 1358 3026.