ST Hongda Co., Ltd.

Deheng Shanghai Law Office's Witness Opinion on Shanghai Hongda New Material Co., Ltd.'s 2025 Annual General Meeting

This document is a witness opinion issued by Deheng Shanghai Law Office regarding the 2025 Annual General Meeting of Shanghai Hongda New Material Co., Ltd. The law firm verified the meeting's convening and holding procedures, attendee qualifications, and voting results. All resolutions proposed at the meeting were passed, confirming compliance with relevant laws and regulations.

Announcement on the Resolution of the 2025 Annual Shareholders' Meeting

This announcement details the resolutions passed at Shanghai Hongda New Material Co., Ltd.'s 2025 Annual Shareholders' Meeting. The meeting was convened and held in compliance with relevant laws and regulations. All proposed resolutions, including the 2025 Annual Report, Board of Directors' Work Report, and financial reports, were approved by a significant majority of shareholders.

Announcement on the progress of the litigation

Announcement on the Progress of Investor Litigation Matters

Remuneration Management System for Directors and Senior Management (September 2025)

2025 Annual Board Work Report

2025 Annual Financial Settlement Report

Announcement on the Continued Implementation of Other Risk Warnings for the Company's Stock

Independent Director's Work Report (Xu Lianghu)

Independent Director's Work Report (Gu Qirong)

Announcement on the Online Presentation of the 2025 Annual Performance

Internal Control Audit Report for the Year 2025

2025 Annual Internal Control Self-Evaluation Report

Announcement on Wholly-Owned Subsidiary Borrowing from Controlling Shareholder and Related Transactions

Feasibility Analysis Report on the Implementation of Foreign Exchange Hedging Business

Announcement on the Implementation of Foreign Exchange Hedging Business

Announcement on the Company's and Wholly-Owned Subsidiary's Application for Comprehensive Credit and Provision of Guarantee Limits

Notice of the 2025 Annual Shareholders' Meeting

Announcement of the Resolutions of the Ninth Meeting of the Seventh Board of Directors

Announcement on the Company's Profit Distribution Plan for the Year 2025

Q1 2026 Report

Special Explanation on Non-Standard Audit Opinions in the 2025 Financial Report

Special Explanation on Matters Related to the Unqualified Audit Report Involving Significant Uncertainties in Continuing Operations for the 2025 Annual Report

Special Audit Opinion on the Deduction of Operating Income

Report on the Evaluation of the Audit Firm's Performance for 2025 and the Audit Committee's Supervision of the Audit Firm

Special Audit Report on the Summary Table of Non-Operating Fund Occupation and Other Related Fund Transactions

Special Opinion on the Self-Examination of Independent Directors' Independence by the Board

2025 Annual Audit Report

2025 Annual Report

Summary of the 2025 Annual Report

Announcement on the Use of Self-owned Funds for Investment and Wealth Management