IOSP tangible book value per share history

Annual fiscal periods. Dates are reporting period ends; fiscal years can differ from calendar years.

Innospec Inc Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 31, 2025	34.8151
Dec 31, 2024	30.8118
Dec 31, 2023	27.8862
Dec 31, 2022	25.6828
Dec 31, 2021	24.7981
Dec 31, 2020	20.2907
Dec 31, 2019	18.0704
Dec 31, 2018	13.2904
Dec 31, 2017	11.1479
Dec 31, 2016	5.6088
Dec 31, 2015	7.0187
Dec 31, 2014	2.4066
Dec 31, 2013	4.0041
Dec 31, 2012	4.2869
Dec 31, 2011	7.5
Dec 31, 2010	5.8133
Dec 31, 2009	-0.5118
Dec 31, 2008	2.2378
Dec 31, 2007	3.2525
Dec 31, 2006	1.2882
Dec 31, 2005	2.8824
Dec 31, 2004	2.6407
Dec 31, 2003	1.9731
Dec 31, 2002	-1.549
Dec 31, 2001	-4.076
Dec 31, 2000	-1.5937
Dec 31, 1999	-3.0954
Dec 31, 1998	-2.0463