Insider Transactions of Arqit Quantum Inc.

This filing details insider transactions for Arqit Quantum Inc. (ARQQ) involving Business Combination Warrants. On June 3, 2026, Lefebvre d'Ovidio Manfredi disposed of 116 warrants at a price of $1.50 per share, leaving 21,269.36 warrants. On June 4, 2026, another 124 warrants were disposed of at the same price, resulting in 21,145.36 warrants remaining. These transactions are exempt from Section 16(b) of the Act due to the issuer's status as a foreign private issuer. The filing also notes a reverse stock split implemented on September 19, 2024, where 25 ordinary shares were consolidated into one. Each warrant, post-split, is exercisable for 0.04 ordinary shares with an exercise price of $11.50, requiring the exercise of at least 25 warrants for one whole share at an aggregate exercise price of $287.50.