*ST Qihuan Co., Ltd.

Announcement of Bidding Results for Judicial Auction of Controlling Subsidiary's Equity

Announcement on the Proposed Change of Directors and Dismissal of the Company's Deputy General Manager

Notice of the 2nd Extraordinary Shareholders' Meeting of 2026

Announcement of Resolutions from the 13th Meeting of the 11th Board of Directors

Announcement on Abnormal Fluctuations in Stock Trading

Announcement on the reduction of shareholding by shareholders holding more than 5% to below 5% and the change in equity

Simplified report on equity changes (Guangzhou Qizheng)

Announcement on the Progress of Litigation (Arbitration) Cases

Zhongde Securities Co., Ltd. Temporary Trustee Management Report on the Implementation of Delisting Risk Warning and Other Risk Warnings for Qidi Environmental Technology Development Co., Ltd.

Announcement on the 2026 Remuneration Plan for Directors and Senior Management

Independent Director 2025 Annual Work Report - Lin Kaitao

Independent Director 2025 Annual Work Report - Zhang Rong

Independent Director 2025 Annual Work Report - Du Wenguang

Announcement on the 2025 Performance Briefing by Qidi Environment

2025 Social Responsibility Report

Internal Control Audit Report

2025 Internal Control Self-Assessment Report

Management Measures for the Remuneration and Assessment of Directors and Senior Management

Rules of Procedure for the Audit Committee of the Board of Directors

Announcement on Uncovered Losses Reaching One-Third of the Company's Paid-in Capital

Announcement on the Provision for Estimated Liabilities and Impairment Reserves

Announcement on the Company's and Its Holding Subsidiaries' Plan to Apply for a Total Comprehensive Credit Limit Not Exceeding RMB 2,131,425,000 and to Handle Loans Under the Credit Limit

Announcement on the Progress of External Guarantee Matters

Announcement on the Company's and Its Holding Subsidiaries' External Guarantee Limit

Notice of the 2025 Annual Shareholders' Meeting

Resolution of the First Meeting of the Eleventh Board of Directors' Independent Directors' Special Meeting in 2026

Resolution Announcement of the Twelfth Meeting of the Eleventh Board of Directors

Announcement on the Company's Plan Not to Distribute Profits for 2025

2026 First Quarter Report

Special Explanation on the Non-Standard Audit Opinion Report Issued for the Annual Financial Statements Audit and Internal Control Audit of Qidi Environmental Technology Development Co., Ltd.

Board's Special Explanation on Matters Involved in the 2025 Annual Non-Standard Opinion Audit Report and Internal Control Audit Report

Special Audit Report on Operating Income Deduction

Evaluation Report on the Performance of the Annual Audit Accounting Firm for 2025

Report on the Audit Committee's Evaluation of the Performance of Da Xin Accounting Firm for 2025 and the Fulfillment of Supervision Responsibilities

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

Summary Table of Non-Operating Fund Occupation and Other Related Fund Transactions

Board's Special Opinion on the Independence Assessment of Independent Directors

2025 Annual Audit Report

2025 Annual Report

2025 Annual Report Summary

Announcement on the Company's Stock Trading Being Subject to Delisting Risk Warning and Other Risk Warnings and Suspension of Trading

Temporary entrusted management report from Zhongde Securities Co., Ltd. regarding the judicial auction notice of the equity of the controlling subsidiary of Qidi Environmental Technology Development Co., Ltd.

Announcement on receiving the judicial auction notice of the equity of the holding subsidiary

Interim Entrusted Management Report by Zhongde Securities Co., Ltd. on the Progress of Litigation (Arbitration) Cases Involving Qidi Environmental Technology Development Co., Ltd.

Pre-disclosure Announcement on the Share Reduction Plan of Shareholders Holding More than 5%

Third Reminder Announcement on the Possible Implementation of Delisting Risk Warning for Company Stock Trading

Announcement on the Progress of Litigation (Arbitration) Cases

Announcement on the Appointment of Senior Management Personnel by the Company

Announcement of Resolutions from the Eleventh Meeting of the Eleventh Board of Directors

Announcement on the Progress of the Company's Pre-restructuring Matters and Receipt of the Pre-restructuring Extension Decision Letter

Temporary Entrusted Management Report from China Germany Securities Co., Ltd. Regarding the Progress of Litigation (Arbitration) Cases Involving Beijing Capital Co., Ltd.

Progress Announcement on Litigation (Arbitration) Cases Involved

Second Reminder Announcement on the Possible Implementation of Delisting Risk Warning for the Company's Stock Trading

Legal Opinion of Beijing Zhonglun Law Firm on the 2026 First Interim Shareholders' Meeting of Tus-Sound Environmental Resources Co., Ltd.

2026 First Interim Shareholders' Meeting Resolution Announcement

"Announcement on abnormal stock trading fluctuations",