Biosino Bio-Technology and Science Incorporation (Biosino Bio-Tech) filed its Monthly Return for May 2026, confirming that both authorised and issued share capital remained unchanged during the period.

The company’s authorised and registered share capital closed the month at 144.71 million shares with a par value of RMB 1 each. This comprises 64.29 million H shares listed on the Hong Kong Stock Exchange and 80.42 million domestic shares, mirroring the previous month’s figures.

Issued share capital also held steady: 64.29 million H shares and 80.42 million domestic shares were outstanding as of 31 May 2026. Biosino reported zero treasury shares and no increases or cancellations, reflecting an absence of share buy-backs, allotments, or other movements.

There were no outstanding share options, warrants, convertibles, or other equity-linked agreements reported for the month. The company likewise confirmed that it met the Exchange’s minimum 25% public float requirement.

The monthly return was submitted on 1 June 2026 by company secretary Tung Woon Cheung, Eric.