Disclosure by Vanguard on Vesuvius plc Stake

The Vanguard Group, Inc. has published a Form 8.3 disclosure regarding its holding in Vesuvius plc, dated 13 October 2026. This disclosure involves public opening position disclosure or dealing disclosure by an entity with an interest in relevant securities representing 1% or more pursuant to Rule 8.3 of the Takeover Code.

The disclosure identifies Vanguard as the holder of 10,910,237 ordinary shares, representing 4.40% of Vesuvius plc's relevant securities. Additionally, the document outlines details of a recent securities transaction, with Vanguard purchasing 217 shares at 4.63 GBP per share. There are no open derivative positions, agreements, or arrangements relating to this disclosure.

No supplemental forms are attached, and the latest position date is 12 October 2026. This filing also mentions RHI Magnesita N.V. in relation to other disclosures by Vanguard.