The Vanguard Group's Stake in Senior plc Exceeds 5%

The Vanguard Group, Inc. has disclosed a significant interest in Senior plc's securities. According to a filing dated June 3, 2026, Vanguard holds 21,495,888 ordinary shares, representing 5.13% of Senior plc's total securities. This disclosure is in compliance with Rule 8.3 of the Takeover Code, which mandates such transparency for entities with 1% or more interest in relevant securities.

The filing identifies Vanguard as the discloser and focuses solely on Senior plc with no connections to other parties involved. The last trading activity related to this disclosure took place on June 2, 2026, involving the purchase of 14,464 ordinary shares at 2.87 GBP each.

No additional agreements, derivatives, or security interests have been reported. Basic contact information for this disclosure is provided, with Shawn Acker as the contact person. The comprehensive Code details are accessible on the Takeover Panel's website.