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8-K

Aon plc (AON)

8-K 2024-02-16 For: 2024-02-13
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Added on April 08, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 13, 2024

Aon plc

(Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969
(State or Other Jurisdiction<br>of Incorporation) (Commission<br> <br>File Number) (IRS Employer<br>Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland D01 K0Y8

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
--- ---
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading<br>Symbol(s) Name of each exchange<br>on which registered
Class A Ordinary Shares $0.01 nominal value AON New York Stock Exchange
Guarantees of Aon plc’s 3.50% Senior Notes due 2024 AON24 New York Stock Exchange
Guarantees of Aon plc’s 3.875% Senior Notes due 2025 AON25 New York Stock Exchange
Guarantees of Aon plc’s 2.875% Senior Notes due 2026 AON26 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031 AON31 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031 AON31A New York Stock Exchange
Guarantee of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032 AON32 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.35% Senior Notes due 2033 AON33 New York Stock Exchange
Guarantees of Aon plc’s 4.25% Senior Notes due 2042 AON42 New York Stock Exchange
Guarantees of Aon plc’s 4.45% Senior Notes due 2043 AON43 New York Stock Exchange
Guarantees of Aon plc’s 4.60% Senior Notes due 2044 AON44 New York Stock Exchange
Guarantees of Aon plc’s 4.75% Senior Notes due 2045 AON45 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051 AON51 New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052 AON52 New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On February 13, 2024, Carolyn Y. Woo informed Aon plc (the “Company”) of her decision to retire from the Company’s Board of Directors after 25 years, effective upon the completion of her current term at the Company’s 2024 Annual General Meeting. Dr. Woo informed the Company that her retirement is not due to any disagreements with the Company on any matter relating to the Company’s operations, policies or practices. The Company thanks Dr. Woo for her many years of dedicated service to the Company and the Board of Directors. In recognizing Dr. Woo’s service and retirement, Lester Knight, Chair of the Company’s Board of Directors, said “Throughout Carolyn’s service to our Board over the past 25 years, she has been an invaluable resource and has contributed significantly to the Board’s perspectives on developing human capital, leadership and conducting business in diverse geo-political environments. It has been an absolute privilege to serve alongside Carolyn, and we wish her the very best.”

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Aon plc
By: /s/ Darren Zeidel
Name: Darren Zeidel
Title: Executive Vice President, General Counsel and Company Secretary

Date: February 16, 2024