NL tangible book value per share history

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

Nl Industries Inc Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 31, 2025	7.1563
Dec 31, 2024	7.9593
Dec 31, 2023	7.4673
Dec 31, 2022	7.6948
Dec 31, 2021	7.3327
Dec 31, 2020	6.3185
Dec 31, 2019	6.1556
Dec 31, 2018	5.6725
Dec 31, 2017	6.6909
Dec 31, 2016	3.4315
Dec 31, 2015	2.8363
Dec 31, 2014	4.6076
Dec 31, 2013	7.0427
Dec 31, 2012	7.4131
Dec 31, 2011	7.7775
Dec 31, 2010	4.5069
Dec 31, 2009	2.8793
Dec 31, 2008	3.2109
Dec 31, 2007	4.2418
Dec 31, 2006	5.3731
Dec 31, 2005	4.9046
Dec 31, 2004	6.7267
Dec 31, 2003	6.0289
Dec 31, 2002	5.6148
Dec 31, 2001	7.9255
Dec 31, 2000	6.9576
Dec 31, 1999	5.3176
Dec 31, 1998	2.9712
Dec 31, 1997	-4.44
Dec 31, 1996	-3.9168
Dec 31, 1995	-4.0489
Dec 31, 1994	-5.6975
Dec 31, 1993	-5.162
Dec 31, 1992	-2.8272
Dec 31, 1991	-0.9417
Dec 31, 1990	0.609
Dec 31, 1989	2.4911
Dec 31, 1988	2.1373
Dec 31, 1987	-9.1317