Form 4 Filing for Nadin Virani

This filing details a Form 4 report for Nadin Virani, Interim CFO of Aon plc. The report includes the grant of restricted share unit awards on May 21, 2025, which vest over a period of two to five years. These awards convert to Class A Ordinary Shares on a 1-for-1 basis, with a nominal payment of $0.01 per share as required by Irish law. The filing also indicates that as of August 17, 2026, following these transactions, Mr. Virani directly holds 1014.475 shares of Class A Ordinary Stock. Additionally, a power of attorney document, dated August 18, 2026, appoints several individuals to act as attorneys-in-fact for Mr. Virani concerning SEC filings, including Forms 3, 4, and 5, related to his ownership of Aon plc securities.