AON PLC

Ticker: AON CUSIP: G0403H108 Class: SHS CL A

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q1 2022

Shares 694 Value ($000) $225 Avg Close $282.81 Range $252.06 - $322.12

Q4 2021

Shares 754 Value ($000) $226 Avg Close $290.95 Range $274.90 - $316.79

Q3 2021

Shares 754 Value ($000) $215 Avg Close $260.29 Range $215.96 - $293.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	694	$225	$282.81	$252.06 - $322.12
Q4 2021	754	$226	$290.95	$274.90 - $316.79
Q3 2021	754	$215	$260.29	$215.96 - $293.10