The estimated mineral resources after reclassification of the tailings from assumed to indicated category, as well as the previously reported increase in mineral resources in the press release on August 9, 2022 are shown in the table below.

Known17 31437.4916 73337.87
Indicated11 867 34.6611 45434.58
Total Known. + Indicated.29 18136.3428 18636.54
Assumed6 03933.325 82331.9
Indicated (Tailings)3 00021,0  
Assumed (Tailings)  1 700ca. 21 – 22
Total Assumed6 03933.337 523 

The estimated mineral reserves have been established in accordance with JORC-2012 and include the extended mineral resources reported by the company on 2022-08-09. The mineral reserves are reported in the table below together with the reserves that were estimated in 2021 and that were reported by the company on 01/19/2022. A JORC Table 1 has been drawn up as support for the report, Table 1 can be downloaded from the company’s website.





Fe %


Fe %

Probable mineral reserve

30 722


26 415


The updated mineral resource and mineral reserves have been estimated by GeoVista AB, under the direction of Thomas Lindholm, Fellow AusIMM, and a competent person as defined in the JORC Regulations based on his training and experience.

 Dannemora mineral resources and mineral reserves September 20, 2022

Joint Ore Reserves Committee (JORC) Table 1 Dannemora mineral resources and mineral reserves September 20, 2022