AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

IRIDIAN ASSET MANAGEMENT LLC/CT's Holding History (CIK: 0001033427)

Note: Option positions (PUT/CALL) are excluded.

Q2 2021

Shares 29,425 Value ($000) $7,026 Avg Close $236.31 Range $221.03 - $252.51

Q1 2021

Shares 122,279 Value ($000) $28,138 Avg Close $212.41 Range $193.30 - $227.75

Q4 2020

Shares 777,762 Value ($000) $164,318 Avg Close $196.52 Range $172.95 - $208.05

Q3 2020

Shares 812,097 Value ($000) $167,536 Avg Close $191.78 Range $180.89 - $203.83

Q2 2020

Shares 816,575 Value ($000) $157,272 Avg Close $178.56 Range $144.47 - $196.01

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	29,425	$7,026	$236.31	$221.03 - $252.51
Q1 2021	122,279	$28,138	$212.41	$193.30 - $227.75
Q4 2020	777,762	$164,318	$196.52	$172.95 - $208.05
Q3 2020	812,097	$167,536	$191.78	$180.89 - $203.83
Q2 2020	816,575	$157,272	$178.56	$144.47 - $196.01