Vanguard's Position in Senior Plc Disclosed

The Vanguard Group, Inc. has made a disclosure of its position in Senior Plc according to Form 8.3 of the Takeover Code. As of June 12, 2026, Vanguard holds 21,509,678 ordinary shares in Senior Plc, representing a 5.13% interest. This disclosure is significant due to the rule which mandates public opening position disclosure for entities holding 1% or more of relevant securities.

The announcement notes that Vanguard sold 3,164 shares at £2.87 per unit. No other dealings such as cash-settled or stock-settled derivative transactions were reported. Additionally, there are no indemnity or option arrangements related to relevant securities disclosed.

Vanguard confirmed that there is no supplemental Form 8 on open positions attached, and no agreements or arrangements were reported concerning voting rights or future transactions involving derivatives.