FSM days of inventory history

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

Fortuna Mining Corp. Common Shares Days of Inventory — Quarterly
Period ending	Days of Inventory
Jun 30, 2026	92.6157
Mar 31, 2026	83.4054
Dec 31, 2025	88.9052
Sep 30, 2025	84.2947
Jun 30, 2025	86.4277
Mar 31, 2025	70.1869
Dec 31, 2024	61.9604
Sep 30, 2024	59.9307
Jun 30, 2024	113.3438
Mar 31, 2024	85.724
Dec 31, 2023	48.8342
Sep 30, 2023	67.4209
Jun 30, 2023	74.7282
Mar 31, 2023	59.811
Dec 31, 2022	59.7259
Sep 30, 2022	52.4855
Jun 30, 2022	57.3258
Mar 31, 2022	69.1388
Dec 31, 2021	54.9386
Sep 30, 2021	55.7172
Jun 30, 2021	65.7289
Mar 31, 2021	68.2101
Dec 31, 2020	56.1142
Sep 30, 2020	27.5767
Jun 30, 2020	39.0312
Mar 31, 2020	33.4606
Dec 31, 2019	29.5843
Sep 30, 2019	31.2381
Jun 30, 2019	31.8836
Mar 31, 2019	41.0452
Dec 31, 2018	30.6469
Sep 30, 2018	43.9903
Jun 30, 2018	36.8908
Mar 31, 2018	42.8999
Dec 31, 2017	39.8129
Sep 30, 2017	38.3838
Jun 30, 2017	31.9381
Mar 31, 2017	34.3521
Dec 31, 2016	32.8841
Sep 30, 2016	30.0734
Jun 30, 2016	36.787
Mar 31, 2016	31.9401
Dec 31, 2015	35.1958
Sep 30, 2015	40.495
Jun 30, 2015	42.776
Mar 31, 2015	46.6877
Dec 31, 2014	48.4077
Sep 30, 2014	45.2488
Jun 30, 2014	48.2319
Mar 31, 2014	45.7002
Dec 31, 2013	53.6041
Sep 30, 2013	59.8219
Jun 30, 2013	51.8291
Mar 31, 2013	46.1641
Dec 31, 2012	46.9823
Sep 30, 2012	44.6743
Jun 30, 2012	52.5274
Mar 31, 2012	57.9098
Dec 31, 2011	53.9981
Sep 30, 2011	33.3379
Jun 30, 2011	59.9586
Mar 31, 2011	53.8225
Dec 31, 2010	28.5425
Sep 30, 2010	54.5585
Jun 30, 2010	58.5045
Mar 31, 2010	44.6953
Dec 31, 2009	35.046
Sep 30, 2009	26.2135
Jun 30, 2009	22.5371
Mar 31, 2009	25.1129
Dec 31, 2008	43.0532
Sep 30, 2008	0
Jun 30, 2008	33.6142
Mar 31, 2008	37.8549
Dec 31, 2007	33.3557
Sep 30, 2007	23.7872
Jun 30, 2007	17.5943
Mar 31, 2007	21.6121
Dec 31, 2006	0
Sep 30, 2006	0
Jun 30, 2006	0
Mar 31, 2006	0
Dec 31, 2005	0
Sep 30, 2005	0
Jun 30, 2005	0
Mar 31, 2005	0
Dec 31, 2004	0
Sep 30, 2004	0
Jun 30, 2004	0
Mar 31, 2004	0
Dec 31, 2003	0