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	30 April 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
		520,188	0.23%	1,757,997	0.78%
(2)	Derivatives (other than options):
		144,543	0.06%	14,042	0.01%
(3)	Options and agreements to
	purchase/sell:	24,200	0.01%	24,200	0.01%
	TOTAL:
		688,931	0.30%	1,796,239	0.79%

(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	1	241.3000 USD
Purchase	10	252.5600 USD
Purchase	18	251.2800 USD
Purchase	21	252.2000 USD
Purchase	21	251.5700 USD
Purchase	21	251.5200 USD
Purchase	25	252.5700 USD
Purchase	42	250.7500 USD
Purchase	47	249.2723 USD
Purchase	51	251.4244 USD
Purchase	63	251.6259 USD
Purchase	81	250.7959 USD
Purchase	100	241.6525 USD
Purchase	100	252.5300 USD
Purchase	116	251.7862 USD
Purchase	126	251.6825 USD
Purchase	129	248.6405 USD
Purchase	200	252.8000 USD
Purchase	215	247.1448 USD
Purchase	300	251.6000 USD
Purchase	369	249.0478 USD
Purchase	387	242.6992 USD
Purchase	1,016	247.0820 USD
Purchase	1,080	250.4854 USD
Purchase	1,335	251.2549 USD
Purchase	1,600	251.8663 USD
Purchase	1,691	251.8565 USD
Purchase	2,714	251.1060 USD
Purchase	3,070	251.4364 USD
Purchase	3,660	252.4212 USD
Purchase	4,059	251.1737 USD
Purchase	5,389	251.4400 USD
Purchase	11,864	251.9669 USD
Purchase	18,917	251.8685 USD
Purchase	23,782	252.2459 USD
Purchase	24,493	251.8969 USD
Purchase	25,000	252.7663 USD
Purchase	33,165	252.3039 USD
Purchase	43,127	251.4975 USD
Purchase	88,763	251.9585 USD
Sale	1	250.3300 USD
Sale	3	249.5200 USD
Sale	4	248.4025 USD
Sale	10	248.7090 USD
Sale	10	252.5600 USD
Sale	11	251.5622 USD
Sale	12	249.4175 USD
Sale	13	249.7861 USD
Sale	18	252.4238 USD
Sale	20	251.4050 USD
Sale	22	252.2600 USD
Sale	25	252.5700 USD
Sale	28	251.4753 USD
Sale	40	251.3700 USD
Sale	40	251.3750 USD
Sale	50	251.3300 USD
Sale	51	251.0147 USD
Sale	58	251.1642 USD
Sale	75	252.1200 USD
Sale	81	250.7959 USD
Sale	99	249.5301 USD
Sale	100	249.8300 USD
Sale	125	252.4845 USD
Sale	146	249.7565 USD
Sale	164	251.2604 USD
Sale	196	252.0378 USD
Sale	200	252.4983 USD
Sale	200	249.7786 USD
Sale	258	240.0800 USD
Sale	286	253.6495 USD
Sale	299	250.0055 USD
Sale	300	248.9970 USD
Sale	302	253.0915 USD
Sale	334	253.0729 USD
Sale	396	251.7833 USD
Sale	439	253.0953 USD
Sale	441	252.0651 USD
Sale	587	242.4661 USD
Sale	684	253.0826 USD
Sale	700	249.1349 USD
Sale	784	253.0882 USD
Sale	1,210	253.1159 USD
Sale	1,300	253.1333 USD
Sale	1,537	252.2482 USD
Sale	1,631	251.7805 USD
Sale	1,726	253.0510 USD
Sale	2,100	251.6363 USD
Sale	2,158	247.5937 USD
Sale	2,200	251.6970 USD
Sale	2,603	251.4361 USD
Sale	2,892	251.4399 USD
Sale	3,491	252.2783 USD
Sale	3,604	251.0832 USD
Sale	4,686	252.4439 USD
Sale	4,900	252.3021 USD
Sale	5,027	251.4400 USD
Sale	5,300	252.3700 USD
Sale	6,083	252.0921 USD
Sale	8,988	252.6197 USD
Sale	9,904	252.5944 USD
Sale	10,861	252.1304 USD
Sale	11,070	252.7355 USD
Sale	18,221	252.6452 USD
Sale	19,379	252.2176 USD
Sale	20,190	251.7853 USD
Sale	23,479	251.9098 USD
Sale	52,674	251.7942 USD
Sale	62,342	251.6633 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?	YES
Date of disclosure:	4 May 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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SUPPLEMENTAL FORM 8

IRISH TAKEOVER PANEL

DISCLOSURE UNDER RULE 8.1 AND RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013

DETAILS OF OPEN POSITIONS

(This form should be attached to Form 8.1(a) & (b)(i), Form 8.1(b)(ii) or Form 8.3, as appropriate)

OPEN POSITIONS (Note 1)

Product name	Written or	Number of	Exercise	Type	Expiry
	purchased	relevant securities	price		date
		to which the option
		or derivative
		relates
Put Options	Purchased	-1,200	220.0000	American	Jul 16, 2021
Call Options	Purchased	1,200	240.0000	American	Jul 16, 2021
Call Options	Purchased	23,000	220.0000	American	Jul 16, 2021
Put Options	Purchased	-23,000	200.0000	American	Jul 16, 2021

Notes

1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given. Full details of any existing agreements to purchase or to sell must also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

For full details of disclosure requirements, see Rule 8 of the Rules. If in doubt, consult the Panel.

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