Resources and Reserves

January 2026 JORC Mineral Resource (Endurance Mining)

Abra UG MRE Reported Tonnes & Grades (5% Pb COG)

JORC Resource Category	Tonnes (Mt)	Lead (%)	Silver (g/t)	Lead Metal (kt)	Silver Metal (Moz)
Measured	7.3	7.8	29.8	600	7.0
Indicated	10.4	6.9	14.7	700	4.9
Inferred	13.5	7.0	15.3	900	6.6
Total	31.1	7.2	18.5	2,200	18.5

Endurance Mining acknowledges the review and endorsement of the 2026 Mineral Resource Estimate completed by Entech Pty Ltd on the Abra Project to JORC (2012) standards.

Note: Estimated using the ordinary kriging method and reported at a 5.0% lead cut-off grade. Tonnages are rounded to the nearest 100,000t, lead grades and silver grades to one decimal place. Quantities may not total correctly due to rounding.

The quantities and grades reported above pertaining to the 2026 Abra Mineral Resource Estimate are based on information and data compiled by Mr David Allmark who is a Member of the Australasian Institute of Mining and Metallurgy and has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he has undertaken to qualify as a Competent Person as defined in the 2012 edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code). Mr Allmark is a full-time employee of Endurance Mining Pty Ltd and consents to the inclusion in this report of the matters based on his information in the form and context in which it appears.