PegBio Co., Ltd. (PEGBIO CO-B) submitted its Monthly Return for Equity Issuer, covering the period ended 31 March 2026, with the following highlights:

• Share Capital Stability: Registered share capital remained unchanged at RMB 391.09 million, comprising 284.30 million H shares and 106.79 million unlisted ordinary shares. No new shares were issued, cancelled, or repurchased during the month.

• Issued Shares: Total issued H shares stood at 284.30 million, all of which are in the public market; the company held zero treasury shares. Unlisted ordinary shares remained at 106.79 million.

• Public Float Compliance: PegBio confirmed that its H share public float exceeded the Main Board’s minimum 25% requirement as at 31 March 2026.

• Absence of Dilutive Instruments: The company reported no outstanding share options, warrants, convertible securities, or other agreements that could result in future share issuance.

• Governance: The filing was authorised and submitted by Joint Company Secretary Huang Yifeng on 8 April 2026.

The report indicates a steady capital structure with full compliance to Hong Kong Stock Exchange listing rules and no equity dilution events during the reporting month.