Keto Biotech Co., Ltd.

Legal Opinion from Shanghai Zhihe Law Firm Regarding the 2025 Annual Shareholders' Meeting of Beijing Keteo Hengtong Biotechnology Co., Ltd.

Announcement of Resolutions from the 2025 Annual Shareholders' Meeting

Announcement of Resolutions from the First Meeting of the Fourth Board of Directors

Announcement on the Completion of the Board of Directors' Restructuring and Election of Chairman, Members of Various Special Committees, Senior Management, Head of Internal Audit Department, and Securities Affairs Representative

First Capital Securities Co., Ltd. on the 2025 Annual Continuous Supervision Tracking Report for Beijing Kete Hengtong Biotechnology Co., Ltd.

First Capital Securities Co., Ltd. on the Sponsorship Summary Report for Beijing Kete Hengtong Biotechnology Co., Ltd.'s 2022 Private Placement and Listing on the Growth Enterprise Market

Announcement on Progress of Share Repurchase

Repurchase Report

Review Opinion of the Nomination Committee of the Board of Directors on the Qualifications of Candidates for the Fourth Board of Directors

Statement and Commitment of Independent Director Candidate (Fang Fang)

Commitment Letter from Independent Director Candidate Regarding Participation in Independent Director Training and Obtaining Independent Director Qualification Certificate

Statement and Commitment of Independent Director Candidate (Li Shutong)

Statement and Commitment of Independent Director Candidate (Lu Fei)

Statement and Commitment of Independent Director Nominee (Fang Fang)

Declaration and Commitment of Independent Director Nominee (Li Shutong)

Declaration and Commitment of Independent Director Nominee (Lu Fei)

Announcement on the Election of Employee Representative Directors

Announcement on the Election of the Board of Directors

Notice of the 2025 Annual Shareholders' Meeting

Resolution Announcement of the Eighteenth Meeting of the Third Board of Directors

Pre-disclosure announcement of share reduction by shareholders holding more than 5% and specific shareholders

Announcement on the Shareholding Status of the Top Ten Shareholders and Top Ten Shareholders with No Sale Restrictions Before the Share Repurchase

Legal Opinion from Shanghai Zhihe Law Firm on the Cancellation of Certain Granted but Unvested Restricted Stocks of Beijing Kete Hengtong Biotechnology Co., Ltd.

Announcement on Requesting Shareholder Authorization for the Board of Directors to Handle Matters Related to the Simplified Procedure for Issuing Stocks to Specific Objects

Announcement on the Cancellation of Certain Granted but Unvested Restricted Stocks

Announcement on the Share Repurchase Plan

Announcement on the Use of Idle Self-owned Funds for Cash Management

Verification Opinion of First Capital Securities Underwriting and Sponsorship Co., Ltd. on the Use of Idle Raised Funds for Cash Management by Beijing Kete Hengtong Biotechnology Co., Ltd.

Announcement on the Use of Idle Raised Funds for Cash Management

Verification Opinion of First Capital Securities Underwriting and Sponsorship Co., Ltd. on the Fund Management and Usage of Beijing Kete Hengtong Biotechnology Co., Ltd. in 2025

Announcement on the Reappointment of Audit Institutions for 2026

2025 Board of Directors Work Report

Reminder Announcement on the Postponement of the Board of Directors' Re-election

Announcement on the 2026 Compensation Plan for Directors and Senior Management