The Vanguard Group's Form 8.3 Disclosure on Mural Oncology plc

The Vanguard Group, Inc. has submitted Form 8.3 to disclose its positions concerning Mural Oncology plc. As required by the Irish Takeover Panel, the disclosure outlines significant interests in relevant securities, defined as representing 1% or more of the company. The date of the disclosed position is June 13, 2025.

Regarding Mural Oncology's $0.01 ordinary shares, The Vanguard Group holds 773,043 shares, equating to a 4.48% stake. This disclosure confirms no other parties were disclosed in connection with the offer. Furthermore, no indemnities or other arrangements exist concerning relevant securities.

The disclosure includes minor transactions, such as the purchase of 16 shares at $2.46 each. Additional details regarding options or derivatives have been identified as unnecessary, with no supplemental information needed.