Insider Trading Transactions of Arqit Quantum Inc.

This filing details insider trading transactions by Lefebvre d'Ovidio Manfredi, a director at Arqit Quantum Inc. (ARQQ). The transactions involve the disposal of Business Combination Warrants. On June 1, 2026, 106 warrants were disposed of at a price of $1.60 per share, reducing the post-transaction holdings to 21,517.36 warrants. On June 2, 2026, another 132 warrants were disposed of at the same price, resulting in 21,385.36 warrants remaining. These transactions are exempt from Section 16(b) and 16(c) of the Securities Exchange Act of 1934 due to Arqit Quantum Inc. being a foreign private issuer. A footnote clarifies that the warrants are subject to a reverse stock split, consolidating every 25 shares into one, and have an exercise price of $11.50 per share, with a requirement to exercise at least 25 warrants for one ordinary share.