FSM tangible book value per share history

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

Fortuna Mining Corp. Common Shares Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 31, 2025	5.6448
Dec 31, 2024	4.7463
Dec 31, 2023	4.3655
Dec 31, 2022	4.4242
Dec 31, 2021	6.0066
Dec 31, 2020	4.1474
Dec 31, 2019	3.9666
Dec 31, 2018	3.7726
Dec 31, 2017	3.5662
Dec 31, 2016	3.0921
Dec 31, 2015	2.048
Dec 31, 2014	2.151
Dec 31, 2013	1.9726
Dec 31, 2012	2.1402
Dec 31, 2011	1.8517
Dec 31, 2010	1.9054
Dec 31, 2009	1.2261
Dec 31, 2008	1.1664
Dec 31, 2007	1.5183
Dec 31, 2006	0
Sep 30, 2005	1.8197
Sep 30, 2004	0.1644
Sep 30, 2003	-0.2428
Sep 30, 2002	-0.1939
Sep 30, 2001	-0.1758
Sep 30, 2000	-0.1534