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	18 February 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
		432,641	0.19%	2,132,695	0.93%
(2)	Derivatives (other than options):
		418,023	0.18%	30,257	0.01%
(3)	Options and agreements to
	purchase/sell:	23,000	0.01%	23,000	0.01%
(4)	TOTAL:
		873,664	0.38%	2,185,952	0.96%

(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	6	227.4800 USD
Purchase	13	227.7100 USD
Purchase	14	228.0728 USD
Purchase	25	228.6980 USD
Purchase	44	226.9550 USD
Purchase	46	226.4800 USD
Purchase	100	227.3200 USD
Purchase	133	227.5878 USD
Purchase	180	229.0600 USD
Purchase	196	227.3651 USD
Purchase	206	228.6647 USD
Purchase	214	226.8094 USD
Purchase	215	228.9472 USD
Purchase	263	227.4614 USD
Purchase	304	228.4864 USD
Purchase	315	227.8369 USD
Purchase	365	226.9160 USD
Purchase	500	228.4143 USD
Purchase	522	228.2424 USD
Purchase	600	228.5241 USD
Purchase	600	228.3616 USD
Purchase	605	228.2700 USD
Purchase	627	227.8608 USD
Purchase	640	227.6059 USD
Purchase	1,300	228.1988 USD
Purchase	1,618	228.0100 USD
Purchase	1,830	227.3245 USD
Purchase	3,365	227.7691 USD
Purchase	3,795	228.3051 USD
Purchase	4,051	227.2600 USD
Purchase	6,500	227.2053 USD
Purchase	9,091	227.8031 USD
Purchase	9,923	227.5858 USD
Purchase	13,508	227.0293 USD
Purchase	14,219	227.7023 USD
Purchase	15,814	227.1684 USD
Purchase	17,683	227.6968 USD
Purchase	77,050	227.8602 USD
Purchase	127,656	227.7883 USD
Sale	4	227.1200 USD
Sale	50	227.1500 USD
Sale	100	226.8400 USD
Sale	155	226.8448 USD
Sale	180	229.0600 USD
Sale	200	226.9650 USD
Sale	200	228.7200 USD
Sale	205	227.8181 USD
Sale	300	228.1700 USD
Sale	300	228.2106 USD
Sale	307	228.2475 USD
Sale	500	227.7750 USD
Sale	501	226.9818 USD
Sale	505	227.7070 USD
Sale	601	227.3646 USD
Sale	650	227.0753 USD
Sale	763	227.5055 USD
Sale	800	227.4956 USD
Sale	813	227.1186 USD
Sale	874	227.0694 USD
Sale	1,223	227.9594 USD
Sale	1,597	227.3437 USD
Sale	1,618	228.0100 USD
Sale	1,750	227.0950 USD
Sale	1,757	228.4815 USD
Sale	1,891	227.6179 USD
Sale	1,933	228.3252 USD
Sale	2,510	227.0427 USD
Sale	3,541	228.0836 USD
Sale	3,927	227.5386 USD
Sale	3,960	227.6860 USD
Sale	4,151	227.7837 USD
Sale	4,431	227.2600 USD
Sale	4,498	227.2713 USD
Sale	5,138	228.4038 USD
Sale	5,905	226.9940 USD
Sale	7,765	227.6073 USD
Sale	7,973	227.7835 USD
Sale	12,462	227.5924 USD
Sale	13,634	227.7068 USD
Sale	20,057	227.1654 USD
Sale	33,622	227.5487 USD
Sale	77,215	227.8577 USD
Sale	84,005	227.8908 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:	19 Feb 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
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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