ATI tangible book value per share history

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

ATI Inc. Common Stock Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 28, 2025	11.9452
Dec 29, 2024	12.9164
Dec 31, 2023	9.7838
Dec 31, 2022	7.2941
Dec 31, 2021	4.24
Dec 31, 2020	2.4727
Dec 31, 2019	13.2544
Dec 31, 2018	9.9856
Dec 31, 2017	11.9264
Dec 31, 2016	7.4828
Dec 31, 2015	14.2984
Dec 31, 2014	17.9636
Dec 31, 2013	28.189
Dec 31, 2012	24.3836
Dec 31, 2011	17.8917
Dec 31, 2010	17.8482
Dec 31, 2009	17.6152
Dec 31, 2008	16.5035
Dec 31, 2007	18.5711
Dec 31, 2006	12.9036
Dec 31, 2005	6.2371
Dec 31, 2004	2.5465
Dec 31, 2003	-0.293
Dec 31, 2002	3.1703
Dec 31, 2001	9.3037
Dec 31, 2000	10.2002
Dec 31, 1999	10.451
Dec 31, 1998	11.6812
Dec 31, 1997	7.3547
Dec 31, 1996	7.8867