INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q4 2024

Shares 69,735 Value ($000) $7,675 Avg Close $111.62 Range $104.73 - $124.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	69,735	$7,675	$111.62	$104.73 - $124.78