Vanguard Group's Position Disclosure on Senior plc

The Vanguard Group, Inc. has submitted a Form 8.3 disclosure concerning its holdings in Senior plc. As of July 20, 2026, Vanguard holds 21,842,274 ordinary shares, which constitutes 5.21% of the company's securities. This disclosure is aligned with Rule 8.3 of the UK's Takeover Code, highlighting significant positions in relevant securities.

Vanguard disclosed no changes in short positions or cash-settled derivatives concerning Senior plc's securities. Additionally, recent dealings included the purchase of 7,360 ordinary shares at a price of 2.87 GBP per share. No arrangements related to options, derivatives, or other inducements to deal were reported.

No Supplemental Form 8 was attached to this disclosure, and there are no existing agreements affecting voting rights or future security transactions. Contact for further inquiries is Shawn Acker at Vanguard.