38.5 (b) - Aon PLC

(a)

Interests and short positions (following dealing) in the class of relevant securitydealt in (Note 2)

Class of relevant security: Common

IE00BLP1HW54

Long

Short

Number

%

Number

%

100,837

0.044%

372,840

0.161 %

200,033

0.086%

84,770

0.037%

0

0%

8,500

0.004%

Total

300,870

0.130%

466,110

0.201%

Class of relevant security:

Long

Short

Number

%

Number

%

0

0%

0

0%

0

0%

0

0%

0

0%

0

0%

Total

0

0%

0

0%

(a)

Purchases and sales

Purchase/sale

Number of relevant securities

Price per unit (Note 4)

Purchase

200

204.02 USD

Purchase

1

204.39 USD

Purchase

2

204.4 USD

Purchase

3

204.42 USD

Purchase

4

204.43 USD

Purchase

217

204.49 USD

Purchase

1

204.54 USD

Purchase

1

204.55 USD

Purchase

2

204.56 USD

Purchase

2

204.59 USD

Purchase

3

204.6 USD

Purchase

8

204.62 USD

Purchase

111

204.64 USD

Purchase

1

204.665 USD

Purchase

3

204.67 USD

Purchase

2

204.69 USD

Purchase

1

204.7 USD

Purchase

220

204.72 USD

Purchase

1

204.73 USD

Purchase

5

204.74 USD

Purchase

100

204.75 USD

Purchase

2

204.76 USD

Purchase

1

204.77 USD

Purchase

33

204.78 USD

Purchase

100

204.79 USD

Purchase

1

204.8 USD

Purchase

2

204.81 USD

Purchase

2

204.82 USD

Purchase

2

204.835 USD

Purchase

12

204.84 USD

Purchase

108

204.86 USD

Purchase

417

204.87 USD

Purchase

110

204.89 USD

Purchase

11

204.9 USD

Purchase

1

204.91 USD

Purchase

1

204.92 USD

Purchase

2

204.93 USD

Purchase

102

204.95 USD

Purchase

100

204.96 USD

Purchase

100

204.98 USD

Purchase

108

204.99 USD

Purchase

8

205 USD

Purchase

216

205.04 USD

Purchase

200

205.054 USD

Purchase

215

205.06 USD

Purchase

426

205.09 USD

Purchase

100

205.1 USD

Purchase

100

205.15 USD

Purchase

108

205.16 USD

Purchase

116

205.17 USD

Purchase

2

205.2 USD

Purchase

100

205.21 USD

Purchase

8

205.22 USD

Purchase

108

205.27 USD

Purchase

1

205.29 USD

Purchase

3

205.3 USD

Purchase

121

205.33 USD

Purchase

79

205.34 USD

Purchase

8

205.36 USD

Purchase

1

205.37 USD

Purchase

8

205.41 USD

Purchase

2

205.43 USD

Purchase

216

205.44 USD

Purchase

100

205.46 USD

Purchase

8

205.48 USD

Purchase

2

205.5 USD

Purchase

1

205.51 USD

Purchase

9

205.52 USD

Purchase

104

205.53 USD

Purchase

7

205.54 USD

Purchase

100

205.58 USD

Purchase

4

205.59 USD

Purchase

4

205.6 USD

Purchase

5

205.625 USD

Purchase

4

205.63 USD

Purchase

6

205.64 USD

Purchase

8

205.78 USD

Purchase

4

205.79 USD

Purchase

4

205.81 USD

Purchase

510

205.814 USD

Purchase

19

205.82 USD

Purchase

5

205.83 USD

Purchase

20

205.85 USD

Purchase

8

205.86 USD

Purchase

10

205.87 USD

Purchase

8

205.88 USD

Purchase

1

205.93 USD

Purchase

4

205.97 USD

Purchase

7

206.01 USD

Purchase

3

206.02 USD

Purchase

8,493

206.22 USD

Purchase/sale

Number of relevant securities

Price per unit (Note 4)

Sale

12

205.27 USD

Sale

432

205.31 USD

Sale

108

205.33 USD

Sale

100

205.35 USD

Sale

163

205.36 USD

Sale

300

205.38 USD

Sale

261

205.39 USD

Sale

67

205.42 USD

Sale

12

205.425 USD

Sale

53

205.46 USD

Sale

25

205.48 USD

Sale

12

205.51 USD

Sale

23

205.53 USD

Sale

12

205.535 USD

Sale

2

205.55 USD

Sale

11

205.6 USD

Sale

12

205.61 USD

Sale

26

205.67 USD

Sale

16

205.7 USD

Sale

18

205.77 USD

Sale

115

205.79 USD

Sale

12

205.82 USD

Sale

13

205.93 USD

Sale

116

205.94 USD

Sale

11

206.03 USD

Sale

17

206.09 USD

Sale

2,319

206.22 USD

Sale

1,208

206.22 USD

(b)

Derivatives transactions (other than options transactions)

Product name,e.g. CFD

Nature of transaction(Note 5)

Number of relevant securities(Note 6)

Price per unit(Note 4)

N/A

N/A

N/A

N/A

(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 4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

(ii)

Exercising

Product name,e.g. call option

Number of securities

Exercise price perunit (Note 4)

N/A

N/A

N/A

(d)

Other dealings (including transactions in respect of new securities) (Note 3)

Nature or transaction(Note 7)

Details

Price per unit(if applicable) (Note 4)

Borrow

Borrow of 39,800 shares

N/A

Borrow

Borrow of 4,200 shares

N/A

4.

OTHER INFORMATION

Full details of any agreement, arrangement or understanding between the persondisclosing and any other person relating to the voting rights of any relevantsecurities under any option referred to on this form or relating to the voting rightsor future acquisition or disposal of any relevant securities to which any derivativereferred to on this form is referenced. If none, this should be stated.

None

Is a Supplemental Form 38.5(b) attached? (Note 8)

Yes

Date of disclosure

22/07/2020

Contact name

Tolu Tade

Telephone number

+44207 996 3410

Name of offeree/offeror with which connected

Willis Towers Watson PLC

Nature of connection (Note 9)

Advisor to - Willis Towers Watson PLC

Product name,e.g. call option

Written orpurchased

Number of securities to which the option or derivative relates

Exercise price(Note 2)

Type, e.g.American,European etc

Expiry date

Call Option

 Written

8,500

210 USD

American

21/08/2020