Vanguard Group's Disclosure on Senior Plc Securities

The Vanguard Group, Inc. has disclosed its position in Senior plc under Rule 8.3 of the Takeover Code. As of March 31, 2026, Vanguard holds 5.15% of Senior plc’s 10p ordinary shares, equivalent to 21,600,112 shares. This information was released on April 1, 2026.

In recent transactions, Vanguard purchased 7,200 of these shares at a price of 2.86 GBP per share, while selling 34,355 at the same price. No other positions were detailed, and no new security subscription rights were reported. Additionally, there are no indemnity or other arrangements in place related to this disclosure. The form confirms that no supplemental open position disclosures are necessary.