OTTR tangible book value per share history

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

Otter Tail Corp Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 31, 2025	43.4633
Dec 31, 2024	38.9005
Dec 31, 2023	33.5651
Dec 31, 2022	28.1778
Dec 31, 2021	22.7558
Dec 31, 2020	20.2223
Dec 31, 2019	18.4442
Dec 31, 2018	17.1425
Dec 31, 2017	16.3609
Dec 31, 2016	16.0215
Dec 31, 2015	14.6584
Dec 31, 2014	14.5156
Dec 31, 2013	13.3475
Dec 31, 2012	13.432
Dec 31, 2011	14.3854
Dec 31, 2010	14.2709
Dec 31, 2009	15.44
Dec 31, 2008	17.4886
Dec 31, 2007	14.0982
Dec 31, 2006	13.2454
Dec 31, 2005	12.3847
Dec 31, 2004	12.7641
Dec 31, 2003	10.5341
Dec 31, 2002	9.8641
Dec 31, 2001	9.1265
Dec 31, 2000	9.3046
Dec 31, 1999	10.7296
Dec 31, 1998	10.2146
Dec 31, 1997	9.7221
Dec 31, 1996	9.3625
Dec 31, 1995	9.1279
Dec 31, 1994	9.6333
Dec 31, 1993	0
Dec 31, 1992	0
Dec 31, 1991	0
Dec 31, 1990	0
Dec 31, 1989	0
Dec 31, 1988	0
Dec 31, 1987	0
Dec 31, 1986	0
Dec 31, 1985	0