Andrew Leaver Sells 7,595 Ordinary Shares of Arqit Quantum Inc.

Andrew Leaver, Chief Executive Officer of Arqit Quantum Inc., reported the sale of 7,595 ordinary shares on April 6, 2026. The transaction was executed at a price of $13.5117 per share. Following this sale, Mr. Leaver now owns 45,751 ordinary shares. The filing indicates that due to Arqit Quantum Inc. being a foreign private issuer, Mr. Leaver's transactions are exempt from Sections 16(b) and 16(c) of the Act. This transaction is classified as an officer-related filing.