AON PLC FILES (8-K) Disclosing Change in Directors or Principal Officers

Item 5.02 Departure of Directors or Certain Officers; Election of Directors;

Appointment of Certain Officers; Compensatory Arrangements of Certain

Officers.

On April 7, 2023, the Board of Directors (the "Board") of Aon plc (the
"Company") appointed Sarah E. Smith as a director of the Company effective
April 15, 2023. Ms. Smith will serve until the Company's 2023 annual general
meeting of shareholders, when she is expected to be subject to re-election by a
vote of the Company's shareholders. The Board has appointed Ms. Smith to the
Finance Committee of the Board, effective April 15, 2023.

Ms. Smith is a former member of the Management Committee of The Goldman Sachs
Group, Inc., a global investment banking, securities and investment management
firm. Ms. Smith joined Goldman Sachs in 1996 and was named Managing Director in
1998 and Partner in 2002. During her tenure, Ms. Smith served as the Controller
and Chief Accounting Officer of the firm until 2017 and subsequently as the
Chief Compliance Officer from 2017 to 2020. Ms. Smith then served as Senior
Advisor to Goldman Sachs from 2020 until her retirement in 2021. Ms. Smith also
served on several governing committees of the firm, including the Firmwide Risk
Committee, the Commitments Committee and the Firmwide Investment Committee.
Prior to joining Goldman Sachs, Ms. Smith worked in the National and Audit
practices of KPMG in both London and New York and held several finance positions
at Bristol-Myers Squibb. Ms. Smith is a member of the Board of Trustees of the
Financial Accounting Foundation, the parent organization of the Financial
Accounting Standards Board (FASB) and the Governmental Accounting Standards
Board (GASB) since September 2020. Ms. Smith attended City of London University
(Dip. Acc), and is a Fellow of the Institute of Chartered Accountants in England
and Wales. Ms. Smith serves as a Trustee of the Nuveen Churchill Private Capital
Income Fund and as a board member for three private companies: Klarna Bank A.B.,
Via Transportation and 98point6.

Ms. Smith will receive compensation as a non-employee director in accordance
with the Company's non-employee director compensation practices (prorated based
on her start date), which are generally described in the Company's Proxy
Statement for the Company's 2022 annual general meeting of shareholders, filed
with the Securities and Exchange Commission on April 29, 2022 (the "2022 Proxy
Statement"), provided that subsequent to the filing of the 2022 Proxy Statement
the Board updated the annual cash retainer and annual equity grants to $145,000
and $210,000, respectively. In addition, the Company will enter into its
standard deed of indemnity for directors with Ms. Smith.

There is no arrangement between Ms. Smith and any other person pursuant to which
she was selected as a director. There are no related party transactions with the
Company that would require disclosure under Item or 404(a) of Regulation S-K in
connection with Ms. Smith's appointment.

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