MicroPort Scientific Corporation’s monthly return for the period ending 30 April 2026 indicates that both authorised and issued share capital remained unchanged, while option and convertible balances continued to represent sizeable potential dilution.

Authorised & Issued Capital • Authorised share capital stayed at 5.00 billion ordinary shares with a nominal value of USD 0.00001 each, equivalent to USD 50,000. • Issued shares were unchanged at 1.92 billion, and the company held no treasury shares. • Management confirmed compliance with the Main Board’s 25% minimum public-float requirement.

Employee Equity Schemes • 41.21 million options remain outstanding under the 2010 Share Option Scheme. • The 2020 Share Option Scheme shows 64.17 million outstanding options after 0.13 million were cancelled during the month. • The 2023 Share Scheme carries 35.34 million outstanding awards, with capacity to issue or transfer up to 17.18 million shares. • No new shares were issued and no treasury shares were transferred during April under any employee equity plans; total funds raised from option exercises were HKD 0.

Convertible Instruments • USD 220.00 million of 5.75% Convertible Bonds due 2028 remained outstanding, convertible into up to 134.54 million shares at HKD 12.779 per share. • A USD 158.50 million convertible loan facility (interest rate 5.75%) could be converted into up to 166.33 million shares at HKD 7.46 per share. • Combined, existing convertibles represent a potential issuance of 300.87 million shares, equal to approximately 15.7% of current issued share capital.

Other Movements • The company reported no warrants, no other share-issuance agreements, and no Hong Kong Depositary Receipts. • There were no share repurchases, cancellations, or transfers of treasury shares during the month.

Overall, MicroPort maintained a steady share base in April 2026 while retaining a sizeable pool of employee options and outstanding convertibles that could expand its equity capital in future periods.