The Vanguard Group Discloses Significant Stake in Senior plc

The Vanguard Group, Inc. has made a disclosure under Rule 8.3 of the Takeover Code, concerning its interests in Senior plc. As of March 23, 2026, Vanguard owns and controls 21,650,765 ordinary shares, representing 5.16% of Senior plc's securities.

In recent dealings, Vanguard purchased 6,960 shares at 2.76 GBP each and sold 42,534 shares in two transactions, at prices of 2.71 GBP and 2.76 GBP. No cash-settled or stock-settled derivative transactions, nor other securities dealings, were reported.

Vanguard confirmed the absence of any indemnity or other dealing arrangements linked to these securities. The group also reported having no additional agreements or understandings related to options or derivatives. No supplemental disclosure of open positions was attached.