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	03 May 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
		507,377	0.22%	1,758,674	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:
		676,120	0.30%	1,796,916	0.80%

(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	253.6900 USD
Purchase	1	252.0250 USD
Purchase	11	252.6763 USD
Purchase	50	252.2800 USD
Purchase	75	252.3710 USD
Purchase	87	253.0512 USD
Purchase	100	252.5500 USD
Purchase	100	253.3700 USD
Purchase	100	252.4500 USD
Purchase	100	252.2500 USD
Purchase	105	253.1480 USD
Purchase	129	252.5900 USD
Purchase	152	252.9851 USD
Purchase	158	252.9996 USD
Purchase	178	251.8435 USD
Purchase	192	252.4808 USD
Purchase	198	252.6575 USD
Purchase	200	253.0300 USD
Purchase	204	252.5964 USD
Purchase	300	252.5166 USD
Purchase	329	252.7482 USD
Purchase	346	252.5340 USD
Purchase	552	252.5229 USD
Purchase	677	252.6200 USD
Purchase	730	253.1490 USD
Purchase	912	253.0899 USD
Purchase	1,004	252.4341 USD
Purchase	1,068	252.6367 USD
Purchase	1,243	252.4438 USD
Purchase	1,300	252.5115 USD
Purchase	1,315	252.7104 USD
Purchase	1,400	252.3417 USD
Purchase	1,768	252.4866 USD
Purchase	1,808	252.4680 USD
Purchase	2,097	252.5993 USD
Purchase	2,442	252.4030 USD
Purchase	2,783	252.1201 USD
Purchase	3,176	252.4713 USD
Purchase	3,559	252.3239 USD
Purchase	4,467	251.1283 USD
Purchase	4,522	251.0229 USD
Purchase	5,165	252.4600 USD
Purchase	5,960	252.4227 USD
Purchase	10,429	252.1762 USD
Purchase	14,517	252.0404 USD
Purchase	14,795	252.5158 USD
Purchase	30,939	252.0173 USD
Purchase	39,095	252.5018 USD
Sale	2	252.5200 USD
Sale	2	252.4900 USD
Sale	6	253.7600 USD
Sale	8	252.5400 USD
Sale	9	252.5433 USD
Sale	10	253.5250 USD
Sale	11	252.4690 USD
Sale	12	253.6033 USD
Sale	12	252.4100 USD
Sale	12	252.5366 USD
Sale	29	252.4441 USD
Sale	29	252.4993 USD
Sale	38	252.2400 USD
Sale	40	252.5792 USD
Sale	40	252.1125 USD
Sale	42	252.5602 USD
Sale	44	252.5843 USD
Sale	47	252.5007 USD
Sale	71	252.1546 USD
Sale	78	252.5296 USD
Sale	93	250.5700 USD
Sale	100	251.2650 USD
Sale	100	251.2150 USD
Sale	100	252.4500 USD
Sale	100	253.1300 USD
Sale	124	252.3687 USD
Sale	137	252.4024 USD
Sale	142	252.5530 USD
Sale	162	251.6753 USD
Sale	200	250.6275 USD
Sale	200	250.1150 USD
Sale	200	252.4800 USD
Sale	206	252.3653 USD
Sale	300	250.1033 USD
Sale	300	250.3566 USD
Sale	435	252.3013 USD
Sale	508	252.4623 USD
Sale	630	253.1520 USD
Sale	700	251.2700 USD
Sale	900	250.4100 USD
Sale	900	252.4703 USD
Sale	1,041	250.6060 USD
Sale	1,055	250.8027 USD
Sale	1,193	252.6061 USD
Sale	1,309	252.6831 USD
Sale	1,499	252.3080 USD
Sale	1,753	250.9944 USD
Sale	1,900	252.5592 USD
Sale	2,229	252.4881 USD
Sale	2,400	252.4018 USD
Sale	2,442	252.4030 USD
Sale	2,592	252.4797 USD
Sale	2,796	252.6376 USD
Sale	2,923	252.5661 USD
Sale	6,089	252.1929 USD
Sale	6,513	252.5814 USD
Sale	6,619	252.4600 USD
Sale	7,712	252.5251 USD
Sale	8,522	251.9571 USD
Sale	8,806	252.4563 USD
Sale	15,112	252.1227 USD
Sale	28,350	252.4685 USD
Sale	41,007	252.1220 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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