Vanguard Group's Stake Disclosure in Senior Plc

The Vanguard Group, Inc. has disclosed its position regarding shares in Senior plc, as required by Rule 8.3 of the Takeover Code. This public disclosure involves securities representing 1% or more of the company’s stock.

As of June 25, 2026, Vanguard held 21,689,886 shares of Senior plc, equivalent to 5.17% of the 10p ordinary shares. This gives Vanguard notable influence over the company.

The recent dealings involved a sale of 6,165 of these shares at £2.88 per unit. No other derivatives or agreements are reported in connection with this disclosure.

No additional agreements or understandings relating to options or derivatives have been declared. This statement provides insight into Vanguard's investments and strategic interests in Senior plc.