*ST Huicheng Co., Ltd.

Announcement on Signing the Trademark License Agreement and Related Party Transaction

Chongqing Huicheng Information Technology Co., Ltd. announces the signing of a trademark license agreement where its subsidiary, Ruien Xincheng, will receive royalty-free use of three trademarks from its related party, NGBiologics. This transaction is deemed a related party transaction and is expected to support the subsidiary's business development without negatively impacting the company's financial performance. The agreement has been approved by the independent directors and the board of directors.

Announcement on the Progress of the Company's and Its Controlling Subsidiaries' Application for Comprehensive Credit Limits from Financing Institutions for the Year 2026 and Acceptance of Guarantees from the Company and Related Parties

Announcement of Resolutions of the 20th Meeting of the 8th Board of Directors

Chongqing Huacheng Information Technology Co., Ltd. held its 8th Board of Directors' 20th meeting on May 18, 2026. The meeting was validly convened and attended by all 5 directors. The board unanimously approved a resolution regarding the signing of a trademark license agreement, which constitutes a connected transaction. Further details are available on the CNINFO website.

Independent Directors' Opinions on the Reply to the Shenzhen Stock Exchange's Inquiry Letter Regarding the 2025 Annual Report

Opinions of the Audit Committee of the Board of Directors on the reply to the inquiry letter of the Shenzhen Stock Exchange's 2025 annual report

Reply to the Shenzhen Stock Exchange's Inquiry Letter Regarding Chongqing Huicheng Information Technology Co., Ltd.'s 2025 Annual Report

Announcement on the Response to the Shenzhen Stock Exchange's Inquiry Letter Regarding the 2025 Annual Report

Announcement on the Cancellation of Delisting Risk Warning and Continuation of Other Risk Warnings and Stock Suspension and Resumption

Announcement of Resolutions from the 19th Meeting of the 8th Board of Directors

2026 First Quarter Report

Legal Opinion from Chongqing Juwo Law Firm on Chongqing Huicheng Information Technology Co., Ltd.'s 2025 Annual Shareholders' Meeting

Announcement of Resolutions from the Annual Shareholders' Meeting for the Year 2025

Announcement on Holding the 2025 Annual Online Performance Briefing

Announcement on Cumulative Litigation and Arbitration

Announcement on the Signing of the Restructuring Financial Investment Agreement

Announcement on the Signing of the Supplementary Agreement to the Restructuring Investment Agreement with the Restructuring Investor

Announcement on Abnormal Fluctuations in Company Stock Trading

2025 Independent Director Performance Report - Zhang Huaiqing

2025 Independent Director Performance Report - Luo Nan

2025 Internal Control Audit Report

2025 Self-Assessment Report on Internal Control

2025 Board of Directors' Work Report

Announcement on Confirming the 2025 Performance of Holding Subsidiary Ruien Pharmaceutical

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

Announcement on the Accrual of Credit Impairment Losses, Asset Impairment Losses, and Recognition of Fair Value Change Losses for 2025

Announcement on the Estimated Quota for Daily Related Party Transactions

Notice of Convening the 2025 Annual General Meeting of Shareholders

Announcement of Resolutions of the 18th Meeting of the Eighth Board of Directors

Announcement on the Company's 2025 Profit Distribution Plan

Special Explanation Regarding the Issuance of a Non-Standard Audit Opinion Report for Chongqing Huicheng Information Technology Co., Ltd.'s 2025 Financial Statements

Board of Directors' Special Explanation Regarding Matters Related to the Unqualified Audit Opinion with a Material Uncertainty Related to Going Concern Paragraph Issued for the Company's 2025 Financial Statements

Table of Operating Revenue Deductions for 2025

Special Audit Report on the Deduction of Operating Revenue for 2025