Barclays PLC — Major Shareholding Notification 2021

May 14, 2021

National Storage Mechanism | Additional information

FORM 8.3 - AON PLC - AMENDMENT

FORM 8.3

Amendment to purchase

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	11 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
		446,218	0.20%	1,794,617	0.80%
(2)	Derivatives (other than options):
		161,781	0.07%	7,021	0.00%
(3)	Options and agreements to
	purchase/sell:	24,200	0.01%	24,200	0.01%
(4)	TOTAL:
		630,800	0.28%	1,825,838	0.81%

(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

Ap20

1. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale	Number of relevant securities	Price per unit
Purchase	1	253.9400 USD
Purchase	2	254.4600 USD
Purchase	4	255.9550 USD
Purchase	100	253.4500 USD
Purchase	100	254.0601 USD
Purchase	110	257.9000 USD
Purchase	200	253.7700 USD
Purchase	268	254.5601 USD
Purchase	300	255.9500 USD
Purchase	327	254.0857 USD
Purchase	609	254.0717 USD
Purchase	1,057	254.7754 USD
Purchase	1,582	254.1177 USD
Purchase	1,667	253.4302 USD
Purchase	1,726	254.0778 USD
Purchase	1,800	255.4900 USD
Purchase	1,900	254.7618 USD
Purchase	1,959	254.2085 USD
Purchase	3,917	254.2972 USD
Purchase	4,943	254.4157 USD
Purchase	5,891	254.1233 USD
Purchase	7,986	253.9473 USD
Purchase	8,281	254.8665 USD
Purchase	8,893	254.1200 USD
Purchase	9,720	253.8828 USD
Purchase	12,598	254.1300 USD
Purchase	14,139	254.2014 USD
Purchase	16,838	253.9213 USD
Sale	1	253.4000 USD
Sale	2	254.4600 USD
Sale	2	253.6650 USD
Sale	2	253.4050 USD
Sale	3	253.2783 USD
Sale	47	254.3800 USD
Sale	100	255.4300 USD
Sale	100	253.7100 USD
Sale	100	254.0900 USD
Sale	100	253.4700 USD
Sale	110	257.9000 USD
Sale	143	253.9793 USD
Sale	161	253.8895 USD
Sale	163	254.9885 USD
Sale	167	253.7906 USD
Sale	180	254.0266 USD
Sale	197	254.0269 USD
Sale	200	254.1400 USD
Sale	296	253.9036 USD
Sale	327	253.6946 USD
Sale	500	254.0940 USD
Sale	555	253.8786 USD
Sale	628	253.9576 USD
Sale	948	254.4026 USD
Sale	959	253.7892 USD
Sale	1,576	254.1207 USD
Sale	1,900	253.9476 USD
Sale	1,914	254.6121 USD
Sale	1,974	254.1236 USD
Sale	2,189	253.9781 USD
Sale	3,574	253.9231 USD
Sale	4,057	254.1165 USD
Sale	4,632	253.8374 USD
Sale	4,938	254.3342 USD
Sale	5,600	254.1200 USD
Sale	8,894	253.4325 USD
Sale	9,217	254.1315 USD
Sale	10,000	254.7589 USD
Sale	11,739	254.1097 USD
Sale	11,911	254.1675 USD
Sale	15,507	254.5545 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)

Ap21

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:	14 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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BARCLAYS PLC