INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2025

Shares 15,683 Value ($000) $1,206 Avg Close $75.03 Range $70.10 - $79.81

Q3 2025

Shares 5,562 Value ($000) $429 Avg Close $82.49 Range $73.21 - $89.37

Q2 2024

Shares 2,624 Value ($000) $324 Avg Close $121.30 Range $115.10 - $129.23

Q1 2024

Shares 1,751 Value ($000) $226 Avg Close $117.37 Range $110.33 - $126.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,683	$1,206	$75.03	$70.10 - $79.81
Q3 2025	5,562	$429	$82.49	$73.21 - $89.37
Q2 2024	2,624	$324	$121.30	$115.10 - $129.23
Q1 2024	1,751	$226	$117.37	$110.33 - $126.78