FORM 8.3 – AON PLC

FORM 8.3 – AON PLC

BARCLAYS PLC

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FORM 8.3

IRISH TAKEOVER PANEL

DISCLOSURE UNDER RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013

DEALINGS BY PERSONS WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

1. KEY INFORMATION

	Name of person dealing (Note 1)	Barclays PLC.
	Company dealt in	AON PLC
	Class of relevant security to which the	ORD
	dealings being disclosed relate (Note 2)
	Date of dealing	23 July 2021

2. INTERESTS AND SHORT POSITIONS

(a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3)

Class of relevant security:		ORD
		Long		Short
		Number	(%)	Number	(%)
(1)	Relevant securities
		622,843	0.28%	1,699,041	0.75%
(2)	Derivatives (other than options):
		291,325	0.13%	0	0.00%
(3)	Options and agreements to
	purchase/sell:	0	0.00%	0	0.00%
	TOTAL:
		914,168	0.41%	1,699,041	0.75%

(b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3)

Class of relevant security:	Long			Short
	Number		(%)	Number		(%)
(1) Relevant securities
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total

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1. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale	Number of relevant securities	Price per unit
Purchase	5	233.2000 USD
Purchase	8	233.3600 USD
Purchase	9	233.4400 USD
Purchase	24	233.4025 USD
Purchase	33	233.4900 USD
Purchase	35	232.3185 USD
Purchase	38	232.4400 USD
Purchase	42	233.5621 USD
Purchase	42	233.3800 USD
Purchase	100	233.6700 USD
Purchase	100	233.7300 USD
Purchase	100	233.5080 USD
Purchase	111	233.2578 USD
Purchase	111	233.5989 USD
Purchase	125	233.0480 USD
Purchase	126	233.0833 USD
Purchase	129	233.0174 USD
Purchase	138	233.0886 USD
Purchase	195	233.0466 USD
Purchase	200	233.3700 USD
Purchase	201	232.8600 USD
Purchase	213	233.0861 USD
Purchase	378	233.1011 USD
Purchase	610	232.9531 USD
Purchase	952	233.1110 USD
Purchase	1,915	232.8354 USD
Purchase	2,146	232.9221 USD
Purchase	3,142	233.0629 USD
Purchase	3,765	233.0326 USD
Purchase	4,853	232.4800 USD
Purchase	8,103	232.5716 USD
Purchase	14,935	233.0832 USD
Purchase	14,975	232.4996 USD
Sale	27	232.8000 USD
Sale	28	232.6989 USD
Sale	29	232.9012 USD
Sale	33	232.7251 USD
Sale	35	232.3185 USD
Sale	35	232.8601 USD
Sale	40	232.7417 USD
Sale	58	233.0644 USD
Sale	100	233.7300 USD
Sale	115	232.8024 USD
Sale	155	232.3900 USD
Sale	157	232.8354 USD
Sale	160	233.7387 USD
Sale	189	233.3800 USD
Sale	200	233.2800 USD
Sale	200	233.6400 USD
Sale	200	233.6700 USD
Sale	200	233.2450 USD
Sale	200	233.3400 USD
Sale	200	233.2900 USD
Sale	518	233.5003 USD
Sale	853	233.0036 USD
Sale	918	233.1478 USD
Sale	1,154	233.3763 USD
Sale	1,173	233.0666 USD
Sale	1,364	232.6167 USD
Sale	2,921	233.0347 USD
Sale	3,411	233.0645 USD
Sale	3,441	232.9771 USD
Sale	3,493	233.0062 USD
Sale	5,300	232.5108 USD
Sale	6,657	233.0894 USD
Sale	10,247	232.6364 USD
Sale	15,003	232.4800 USD

(b) Derivatives transactions (other than options transactions)

Product name, e.g. CFD	Nature of transaction (Note 6)	Number of relevant securities (Note 7)	Price per unit (Note 5)

(c) Options transactions in respect of existing relevant securities

(i) Writing, selling, purchasing or varying

Product name, e.g. call option	Writing, selling, purchasing, varying etc.	Number of securities to which the option relates (Note 7)	Exercise price	Type, e.g. American, European etc.	Expiry date	Option money paid/received per unit (Note 5)

(ii) Exercising

Product name, e.g. call option	Number of securities	Exercise price per unit (Note 5)

(d) Other dealings (including transactions in respect of new securities) (Note 4)

Nature of transaction (Note 8)	Details	Price per unit (if applicable) (Note 5)

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2. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated.

None

Is a Supplemental Form 8 (Open Positions) attached?	NO
Date of disclosure:	26 Jul 2021
Contact name:	Large Holdings Regulatory Operations
Telephone number:	020 3134 7213
If a connected EFM, name of offeree/offeror with which connected
If a connected EFM, state nature of connection

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