EX-22.1 2 a221q32025.htm EX-22.1
Exhibit 22.1
Subsidiary Guarantors and Issuers of Guaranteed Securities
The table below sets forth the respective issuers, co-issuers, and guarantors of the notes issued by Aon Global Limited, Aon Global Holdings plc, and Aon Corporation and the jurisdiction of incorporation of each such entity.

|  | Aon Corporation | Aon Global Limited | Aon North America, Inc. | Aon Corporation and Aon Global Holdings plc
Entity | Jurisdiction of Incorporation | 8.205% Junior Subordinated Notes due 2027 4.50% Senior Notes due 2028 3.75 Senior Notes due 2029 2.8% Senior Notes due 2030 6.25% Senior Notes due 2040 | 3.875% Senior Notes due 2025 2.875% Senior Notes due 2026 4.25% Senior Notes due 2042 4.45% Senior Notes due 2043 4.60% Senior Notes due 2044 4.75% Senior Notes due 2045 | 5.125% Senior Notes due 2027 5.150% Senior Notes due 2029 5.300% Senior Notes due 2031 5.450% Senior Notes due 2034 5.750% Senior Notes due 2054 | 2.85% Senior Notes due 2027 2.05% Senior Notes due 2031 2.60% Senior Notes due 2031 5.00% Senior Notes due 2032 5.35% Senior Notes due 2033 2.90% Senior Notes due 2051 3.90% Senior Notes due 2052
Aon plc | Ireland | Guarantor | Guarantor | Guarantor | Guarantor
Aon Global Limited | UK | Guarantor | Issuer | Guarantor | Guarantor
Aon Global Holdings plc | UK | Guarantor | Guarantor | Guarantor | Co-Issuer
Aon Corporation | US | Issuer | Guarantor | Guarantor | Co-Issuer
Aon North America, Inc. | US | Guarantor | Guarantor | Issuer | Guarantor