---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-397203"
form_type: "8-K"
ticker: "AON"
cik: "0000315293"
company_name: "Aon plc"
filed_at: "2026-09-22T10:30:50+00:00"
generated_at: "2026-09-22T10:35:14.800723+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Aon arranges $4B term loans to fund USI acquisition; new $3B revolver replaces two prior facilities

## Summary
- $4B unsecured delayed draw term loans ($2B each tranche), maturing Sept 18, 2028 and Sept 18, 2029, fund portion of USI Advantage Corp. acquisition cash consideration.
- New $3B multi-currency revolving credit facility matures Sept 18, 2031, replaces two $1B revolvers (maturing 2027 and 2028) terminated effective Sept 18, 2026.
- Financial covenants: EBITDA/interest expense ratio not below 4.00:1; funded net debt/EBITDA not above 4.75:1 post-USI, stepping down to 3.50:1 over eight fiscal quarters.
- Borrower is Aon North America, Inc.; guaranteed by Aon plc, Aon Corporation, Aon Global Holdings plc, and Aon Global Limited.
- Rate margins based on Aon's senior unsecured long-term debt rating; loans prepayable at any time without penalty or premium.

## SEC filing metadata
- accession: 0001193125-26-397203
- form_type: 8-K
- ticker: AON
- cik: 0000315293
- company_name: Aon plc
- filed_at: 2026-09-22T10:30:50+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315293/000119312526397203/0001193125-26-397203-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315293/000119312526397203/d38875d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-397203
- JSON: https://secwatch.observer/filing/0001193125-26-397203.json
- Plain text: https://secwatch.observer/filing/0001193125-26-397203.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.