Arqit Quantum (ARQQ) Registration Filing summary

Management team and governance

• CEO and Director is Andrew Leaver, who signed the registration statement in London on September 15, 2025.

• Nick Pointon serves as Chief Financial Officer and Principal Financial and Accounting Officer.

• Board includes directors Carlo Calabria, Stephen Chandler, Manfredi Lefebvre d'Ovidio, Garth Ritchie, and Nicola Barbiero.

• Patrick Willcocks is the authorized U.S. representative, signing on behalf of Arqit Inc.

Risk factors and disclosures

• Cayman Islands law allows broad indemnification of directors and officers, except in cases of fraud, willful default, or neglect.

• SEC considers indemnification for Securities Act liabilities unenforceable as against public policy.

Offering details and pricing

• Registration statement filed as Form F-3, allowing for delayed or continuous offerings under Rule 415.

• Amendment No. 1 updates the signature page and certain administrative sections; the prospectus remains unchanged from the August 29, 2025 filing.

• The offering may commence from time to time after the registration statement becomes effective.