Andrew Leaver's Securities Transactions in Arqit Quantum Inc.

The filing details the securities transactions of Andrew Leaver, an officer and director of Arqit Quantum Inc. On October 13, 2025, Leaver acquired 27,951 common shares through restricted stock vesting as part of his compensation. Additionally, the filing reports several sales of common shares by Leaver in the past three months, including a significant sale on July 18, 2025, where 25,000 shares were sold for $1,080,075.17. Other sales occurred on October 2, 3, and 6, 2025, involving smaller amounts of shares. The transactions were executed through Fidelity Brokerage Services LLC. The filing also notes that the sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.