Darren Zeidel - Nov 19, 2021 Form 4 Insider Report for Aon plc (AON)

Role: General Counsel
Signature: /s/ Julie Cho- Julie Cho pursuant to a power of attorney from Darren Zeidel
Stock symbol: AON
Transactions as of: Nov 19, 2021
Transactions value $: -$46,596
Form type: 4
Date filed: 11/23/2021, 03:46 PM
Previous filing: May 25, 2021
Next filing: Dec 28, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AON	Class A Ordinary Stock	Options Exercise		+354	+2.85%		12.8K	Nov 19, 2021	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	-$46.6K	-157	-1.23%	$296.79	12.6K	Nov 19, 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AON	Restrictive Share Unit (Right to Receive)	Options Exercise	$0	-354	-100%	$0.00^*	0	Nov 19, 2021	Class A Ordinary Shares	354		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.
F2	Class A Ordinary Shares withheld by the issuer for the payment of taxes in connection with the vesting of a restricted share unit.
F3	The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with Irish. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.
F4	A restricted share unit award was granted on November 21, 2016 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 20% of the award vests on each of the first through fifth anniversary of the date of the grant.