FORM 8.3 - AON PLC

FORM 8.3 - AON PLC

BARCLAYS PLC

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	21 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
		465,006	0.21%	1,927,822	0.85%
(2)	Derivatives (other than options):
		283,098	0.13%	7,021	0.00%
(3)	Options and agreements to
	purchase/sell:	24,200	0.01%	24,200	0.01%
	TOTAL:
		772,304	0.34%	1,959,043	0.87%

(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

1. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale	Number of relevant securities	Price per unit
Purchase	2	254.3400 USD
Purchase	5	253.5780 USD
Purchase	9	253.6105 USD
Purchase	9	253.1305 USD
Purchase	11	253.5636 USD
Purchase	12	253.1700 USD
Purchase	12	253.6366 USD
Purchase	14	253.5460 USD
Purchase	15	254.6833 USD
Purchase	15	253.4000 USD
Purchase	18	253.6094 USD
Purchase	18	253.6405 USD
Purchase	19	253.9973 USD
Purchase	20	253.4562 USD
Purchase	25	253.3320 USD
Purchase	30	253.5873 USD
Purchase	40	253.5500 USD
Purchase	42	253.2200 USD
Purchase	82	253.3662 USD
Purchase	88	253.2523 USD
Purchase	164	252.9101 USD
Purchase	200	253.3400 USD
Purchase	200	253.0200 USD
Purchase	265	253.2744 USD
Purchase	300	253.1033 USD
Purchase	325	253.0512 USD
Purchase	359	253.3058 USD
Purchase	400	253.8650 USD
Purchase	600	253.1466 USD
Purchase	600	253.1283 USD
Purchase	800	253.3660 USD
Purchase	1,186	253.6871 USD
Purchase	1,400	253.6000 USD
Purchase	1,816	253.6210 USD
Purchase	2,872	253.4419 USD
Purchase	3,000	253.5966 USD
Purchase	3,184	253.8177 USD
Purchase	3,301	253.2313 USD
Purchase	3,457	253.4790 USD
Purchase	4,447	253.1674 USD
Purchase	5,209	254.2715 USD
Purchase	5,429	254.3900 USD
Purchase	5,966	253.4565 USD
Purchase	6,483	253.2100 USD
Purchase	6,819	253.9178 USD
Purchase	7,475	253.5745 USD
Purchase	28,924	253.4067 USD
Sale	1	252.9100 USD
Sale	2	254.3400 USD
Sale	3	253.1050 USD
Sale	7	253.3928 USD
Sale	7	253.2692 USD
Sale	8	253.6900 USD
Sale	8	254.0425 USD
Sale	8	253.6100 USD
Sale	8	253.4825 USD
Sale	8	253.2837 USD
Sale	10	253.5150 USD
Sale	10	253.9000 USD
Sale	11	253.7527 USD
Sale	14	253.3742 USD
Sale	22	253.2068 USD
Sale	26	254.0769 USD
Sale	100	253.2000 USD
Sale	100	253.0000 USD
Sale	100	252.9600 USD
Sale	100	252.8500 USD
Sale	100	252.9000 USD
Sale	101	254.2458 USD
Sale	109	254.3900 USD
Sale	200	253.3400 USD
Sale	200	253.3250 USD
Sale	202	253.0154 USD
Sale	234	252.9528 USD
Sale	300	253.0366 USD
Sale	300	253.0833 USD
Sale	314	253.1032 USD
Sale	325	253.0512 USD
Sale	403	253.1046 USD
Sale	432	253.0818 USD
Sale	445	253.3999 USD
Sale	502	253.1521 USD
Sale	567	254.2692 USD
Sale	633	252.9442 USD
Sale	873	254.3819 USD
Sale	1,124	253.4332 USD
Sale	1,338	253.0803 USD
Sale	1,360	254.2545 USD
Sale	1,536	253.0672 USD
Sale	1,900	254.1737 USD
Sale	1,990	253.7504 USD
Sale	3,197	253.2101 USD
Sale	4,131	253.2324 USD
Sale	4,454	253.2401 USD
Sale	4,667	253.7833 USD
Sale	4,687	253.5055 USD
Sale	4,734	254.0094 USD
Sale	8,829	253.4631 USD
Sale	9,034	253.2179 USD
Sale	12,044	253.2100 USD
Sale	33,585	253.5193 USD

(b) Derivatives transactions (other than options transactions)

Product Name	Nature of transaction	Number of relevant securities	Price per
			unit
SWAP	Long	1,129	253.0545 USD

(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)

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:	24 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

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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