INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2024

Shares 2,524 Value ($000) $266 Avg Close $111.62 Range $104.73 - $124.78

Q3 2024

Shares 2,483 Value ($000) $273 Avg Close $113.17 Range $101.07 - $129.81

Q2 2024

Shares 2,664 Value ($000) $329 Avg Close $121.30 Range $115.10 - $129.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	2,524	$266	$111.62	$104.73 - $124.78
Q3 2024	2,483	$273	$113.17	$101.07 - $129.81
Q2 2024	2,664	$329	$121.30	$115.10 - $129.23