*ST Qingyan Co., Ltd.

CITIC Construction Investment Securities Co., Ltd. on the Summary Report of Continuous Supervision and Sponsorship Work for the Initial Public Offering of Qingyan Environmental Technology Co., Ltd. and Listing on the Growth Enterprise Market

Legal Opinion Letter from Guohao Law Firm (Shenzhen) Regarding the 2025 Annual Shareholders' Meeting of Qingyan Environmental Technology Co., Ltd.

Announcement of Resolutions of the 2025 Annual Shareholders' Meeting

CITIC Construction Investment Securities Co., Ltd. on the 2025 Annual Tracking Report of Qingyan Environmental Technology Co., Ltd.

CITIC Construction Investment Securities Co., Ltd. on the 2025 On-site Inspection Report of Qingyan Environmental Technology Co., Ltd.

Announcement on holding the 2025 Annual Online Performance Presentation

Announcement on the Completion of Investment Projects with Excess Fundraising

2026 Q1 Report

Announcement on the 2026 Compensation Plan for Directors and Senior Management

2025 Board Work Report

2025 General Manager Work Report

CITIC Construction Investment Securities Co., Ltd. Special Verification Report on the Storage, Management, and Use of Raised Funds for 2025 of Qingyan Environmental Technology Co., Ltd.

Independent Director 2025 Work Report (Xue Yongqiang)

Independent Director 2025 Work Report (Chen Saizhi)

Independent Director 2025 Work Report (Chen Guihong)

CITIC Construction Investment Securities Co., Ltd. Verification Opinion on the 2025 Internal Control Self-Evaluation Report of Qingyan Environmental Technology Co., Ltd.

2025 Internal Control Audit Report

2025 Internal Control Self-Evaluation Report

General Manager Work Rules (Revised April 2026)

Resignation Management System for Directors and Senior Management (April 2026)

Compensation Management System for Directors and Senior Management (April 2026)

Announcement on the Provision for Credit and Asset Impairment in the Fourth Quarter of 2025

Notice of the 2025 Annual Shareholders' Meeting

Resolution Announcement of the 20th Meeting of the Second Board of Directors

Announcement on the Profit Distribution Plan for 2025

Board Special Report on the Storage, Management, and Use of Raised Funds for 2025

Verification Report on the Storage and Use of Raised Funds for 2025

Special Verification Opinion on Operating Revenue Deduction Matters

Report of the Board Audit Committee on the Evaluation of the Performance of the Accounting Firm for 2025 and the Fulfillment of Supervision Responsibilities

Special Explanation on the Fund Occupation Situation of Controlling Shareholders and Other Related Parties

Summary Table of Non-Operating Fund Occupation and Other Related Fund Transactions for 2025

Board Special Report on the Independence of Independent Directors for 2025

2025 Annual Audit Report

2025 Annual Report

Summary of the 2025 Annual Report

Announcement on the Application for the Revocation of the Company's Stock Delisting Risk Warning

Announcement on the Progress of Providing Guarantees for Subsidiaries

Announcement on the Progress of External Investment in Equity Purchase and Completion of Business Change Registration

Announcement on the preparation of the 2025 annual report and the latest audit progress

Fifth risk warning announcement regarding the potential termination of the company's stock listing

Legal opinion letter from Beijing Zhonglun (Shenzhen) Law Firm regarding the first extraordinary shareholders' meeting of Qingyan Environmental Technology Co., Ltd. in 2026

Announcement of resolutions from the first extraordinary shareholders' meeting in 2026

"Announcement on Holding the 2025 Annual Online Performance Briefing",

"Announcement on the Progress of Providing Guarantees for Wholly-Owned Subsidiaries",

Verification Opinion of the Board's Remuneration and Assessment Committee on Matters Related to the Reserve Grant of the 2025 Restricted Stock Incentive Plan

Legal Opinion from Beijing Zhonglun (Shenzhen) Law Firm on Matters Related to the Reserve Grant of Qingyan Environmental's 2025 Restricted Stock Incentive Plan

List of Reserve Grant Incentive Objects for the 2025 Restricted Stock Incentive Plan (Reserve Grant Date)

Announcement on Granting Restricted Shares to Incentive Objects of the 2025 Restricted Stock Incentive Plan

Notice of Convening the First Extraordinary General Meeting of Shareholders in 2026

Announcement of Resolutions of the 19th Meeting of the Second Board of Directors

Third Risk Warning Announcement Regarding the Possible Termination of Listing of the Company's Shares

Announcement on the Company and its Subsidiaries Applying for Comprehensive Credit Lines and Estimated Guarantee Limits from Banks for 2026

Verification Opinion of CITIC Securities Co., Ltd. on Qingyan Environmental Technology Co., Ltd. Using Part of Its Own Funds and Idle Raised Funds for Cash Management

Announcement on Using Temporarily Idle Raised Funds and Own Funds for Cash Management

Announcement on External Investment to Purchase Equity

"Announcement on the Re-election of the Board of Directors",