• Arqit Quantum CEO Andrew Leaver converted 5,209 restricted share units into ordinary shares on Oct. 12, 2026.
• The conversion was reported at USD 0.
• Leaver held 56,539 ordinary shares following the transaction.
• He also held 187,500 restricted share units after the conversion.
• The restricted share units vest quarterly in equal installments through Oct. 1, 2029.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Arqit Quantum Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001859690-26-000192), on October 13, 2026, and is solely responsible for the information contained therein.