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Red Flags Detected

  • Special Mandatory Redemption (new) — If the USI acquisition fails to close by the deadline, the notes must be redeemed at 101% of principal, potentially disrupting investor expectations.
  • Unsecured and Structurally Subordinated (new) — The notes are unsecured and rank below liabilities of non-guarantor subsidiaries, reducing recovery prospects in a bankruptcy.
NYSE: AON Aon plc 424B5

Aon plc co-issuers offer seven series of senior notes to fund USI acquisition; terms not yet priced

Filed September 11, 2026 · ~1 min read

Key Changes

  • high

    Aon North America and Aon Global Holdings are offering seven series of senior notes with maturities from 2029 to 2056, guaranteed by Aon plc, Aon Corporation, and Aon Global Limited.

    The Offering verify on EDGAR →
  • high

    Net proceeds will fund the USI acquisition, repay USI debt, and pay related fees; the offering is not conditioned on the acquisition closing.

    Use of Proceeds verify on EDGAR →
  • high

    If the USI acquisition does not close by June 1, 2027 (with possible extensions), the company must redeem the USI Acquisition Notes at 101% of principal plus accrued interest.

    Use of Proceeds verify on EDGAR →

1 more material change behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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Figures/quotes linked to EDGAR · Narrative written by AI · Sep 14, 2026 · How we verify