Investor Presentaiton

HERMOSA PROJECT A large regional landholding hosting multiple development options and exploration targets Hermosa land package III SOUTH32 Flux Prospect Taylor Deposit Peake Prospect N 0 1 2 3 4 5 Km Clark Deposit Hity High Pridor Patented Unpatented Prospects Deposits Taylor is an attractive base metals development option Notes: a. Refer to important notices (slide 2) for additional disclosure. b. Refer to footnotes (slide 29) for additional disclosure. Clark offers the separate potential to produce a battery-grade manganese product for North America A highly prospective land package • • 138Mt zinc-lead-silver sulphide Mineral Resource with a Hermosa Exploration Target ranging from 10 to 95Mt (a) PFS demonstrates potential for a sustainable, low cost operation with 20+ year initial resource life (b) Final investment decision expected in mid CY23 • • • 55Mt zinc-manganese-silver oxide Mineral Resource (b) Scoping study (a) has confirmed the potential to produce battery-grade manganese into rapidly-growing markets Manganese listed as a critical mineral in the United States Studies to consider a potential integrated development of Taylor and Clark, unlocking operating and capital synergies Since acquisition, we have increased our tenure by 66%, consolidating the most prospective areas Through soil sampling, geophysics and mapping, we have defined a highly prospective corridor High-grade copper-lead-zinc-silver mineralisation intersected at the Peake prospect, south of the Taylor Deposit Planning to drill the Flux prospect in late CY22, located down-dip of an historic mining area SLIDE 5

View entire presentation