Sunstone Metals (STM) investor relations material

Executive summary

• Achieved a 33% increase in Bramaderos Mineral Resource Estimate to 3.6Moz AuEq, driven by inclusion of the Melonal deposit and successful drilling at Porotillo and Copete.

• Released Bramaderos Scoping Study, confirming project viability and highlighting significant growth potential, despite a high proportion of Inferred resources.

• Secured funding through placements, ending the year with $1.67M cash and $9.25M received post-year-end, supporting ongoing exploration and drilling.

• Advanced El Palmar project with an inaugural MRE of 1.2Moz AuEq and defined a large exploration target, with drilling to recommence in FY2027.

Financial highlights

• Reported a net loss of $2.61M for FY2026, compared to a $2.41M loss in FY2025, mainly due to increased employee costs and exploration activities.

• Interest income rose to $105,522 (FY2025: $67,661) due to higher cash balances.

• Net assets increased to $98.16M (FY2025: $94.13M), with non-current assets rising to $97.46M, reflecting capitalised drilling costs.

• Cash and cash equivalents at year-end were $1.67M, with $9.25M received in July 2026 from a placement.

• Liquidity ratio decreased to 1.7:1 from 3.8:1 year-over-year.

Outlook and guidance

• Ongoing drilling at Bramaderos and El Palmar to expand resources and test deep porphyry targets, funded by recent placements.

• Updated Bramaderos MRE expected in December 2026, incorporating new discoveries.

• Continued focus on advancing project studies, optimising process flowsheets, and commencing baseline studies for water and power in FY2027.