Shanghai FourSemi Semiconductor Co., Ltd. (FOURSEMI) has reported a stable capital structure for the month ended 30 September 2026, according to its latest monthly return submitted to Hong Kong Exchanges and Clearing Limited on 6 October 2026.

Total registered share capital remained unchanged at RMB 112.00 million, split between 110.89 million H shares and 1.11 million domestic shares, each with a par value of RMB 1.00. No new shares were issued, repurchased or cancelled, and the company held no treasury shares at month-end.

FOURSEMI reconfirmed compliance with the Main Board’s minimum public-float requirement of 25% for its H shares, affirming that publicly held shares continue to meet exchange rules.

The filing also disclosed that during September 2026 the company had: • No grants or exercises under any share-option schemes. • No outstanding warrants, convertible securities, or other share-issuance arrangements. • No movements in treasury shares or Hong Kong Depositary Receipts.

All corporate actions referenced in the return were duly authorised by the board and carried out in accordance with applicable listing regulations and legal requirements, as certified by Joint Company Secretary Gao Wenchao.