Statement on Authorized Signing Entities

Date:June 22,2026

Issued by:Henan Mingtai A1.Industrial Co.,Ltd.(Stock Code:601677) To All Clients,Partners &Third Parties

Overview

This statement lists Mingtai Group’s legally authorized entities for signing commercial contracts, to protect you against fraud and unauthorized impersonation.

● Authorized Subsidiaries’Legal Capacity All listed subsidiaries are independent legal bodies.They may sign sales contracts,cooperation agreements,orders,reconciliation records,guarantee letters and supplementary contracts,and assume full corresponding contractual rights and obligations.

● Unauthorized Signing Alert Any entity,branch,project team or individual not on the list has no written approval to sign documents under the “Mingtai”brand or our corporate name.All such unauthorized contracts are invalid and unrecognized by our company.We shall not be liable for outstanding payments,compensation,legal fees or any related losses;the actual signatory bears full legal responsibility.

● Required Pre-Deal Verification Please confirm your contracting party appears on the list below before any cooperation.All losses arising from skipped verification are your sole responsibility.

● Authorized Entities for International Business

1.Henan Mingtai Al.Industrial Co.,Ltd.

2.Henan Mingtai Technology Development Co.,Ltd.

3.Henan Mingsheng New Material Technology Co.,Ltd.

4.Henan Yirui New Material Technology Co.,Ltd.

5.Zhengzhou Mingtai Transportation New Material Co.,Ltd.

6.Hainan Mingsheng Aluminum Co.,Ltd.

7.Henan T-Bond Trading Co.,Ltd.

8.Gwangyang Aluminum tndustry Co.,Ltd.

Henan Mingtai “Al. Industrial Co.,Ltd.