Sunstone Metals (ASX:STM) is an ASX listed mineral exploration company with high-quality gold and copper assets in Ecuador.

Brisbane, Queensland
Joined May 2021
Sunstone Metals is pleased to be able to share the FY24 Annual Report #gold #copper #silver #mining #investing $STM bit.ly/3TvdKnV
4
558
Sunstone Metals is pleased to share its latest investor presentation. MD & CEO Patrick Duffy will present at this week's Ignite Conference in Hong Kong, following a 72% increase in Bramaderos' MRE to 6.2Moz AuEq. #copper #gold #investing $STM bit.ly/4hZ5Sqc
51
❶ Bramaderos MRE up 72% to 6.2Moz AuEq ❷ Indicated Resource now totals 229M tonnes for 3.3Moz AuEq, a 450% increase over the November 2025 MRE ❸ Additionally, Exploration Target estimated at 4 - 11 Moz AuEq #gold #copper #investing $STM bit.ly/4s1SDd6
1
1
43
Drilling has restarted at El Palmar, with two rigs mobilised to test high-conviction deep gold-copper targets, including T3 and magnetic anomalies near the Toachi Fault. $STM #gold #copper #mining #investing bit.ly/4rQb1FD
55
Sunstone Metals is pleased to share its Annual Report for the year ending 30 June 2026. The Company thanks its shareholders and stakeholders for their continued support as we continue to develop our two world-class gold and copper projects. bit.ly/4ygoc59
23
Drilling hits an exceptional high-grade zone of 26.6 g/t AuEq #gold #copper #investing $STM bit.ly/4yx1yW5
68
RRS Gold Coast presentation Sunstone's MD & CEO, Patrick Duffy, will be presenting today at 2.45pm at the Resources Rising Stars Conference. The Conference is at the RACV Royal Pines on the Gold Coast. #gold #copper #investing $STM bit.ly/4cADdWR
55
Porotillo Discovery Drill hole PTDD020 returned a substantial 176-metre intersection grading 0.50 g/t Au-Eq from surface, including 58.6 metres at 0.66 g/t Au-Eq The Porotillo discovery now measures a large area of ~ 550m x 240m #gold #copper bit.ly/4wF1mCF
1
1
129
June-26 Quarterly Activities/Appendix 5B Cash Flow Report Sunstone would like to express its appreciation to its shareholders for their continued support. The company is now well-placed for ongoing drilling and growth activities in the year ahead. bit.ly/45xT3gE
2
67
Drilling continues to extend known mineralisation beyond 3.6Moz resource All 20 holes assayed so far returning long intersections, supporting the strategy to convert and upgrade the large Exploration Target to Resources later this year #gold #copper bit.ly/4p1W95w
2
153
Porotillo drilling intersects wide intervals of gold-copper These results will support a substantial resource upgrade planned for later in 2026. $STM #copper #gold #silver bit.ly/4dK0y9v
1
275
Drilling continues to intersect mineralisation The drilling reaffirms the predictable and consistent geology at Bramaderos that will be progressively converted to highly-profitable ounces. #gold #copper #silver #investing $STM bit.ly/4tJfYzl
109
Sunstone Metals has extended the already significant gold-copper mineralisation at Bramaderos with wide intersections up to 250m in the latest drilling outside the current 3.6Moz resource. #gold #copper #investing $STM bit.ly/4nphsgy
103
Sunstone is pleased to share the latest #gold #copper drill results from Bramaderos. $STM bit.ly/4282i5P
1
179
Sunstone Metals is pleased to share its March 20026 Quarterly Report. It has been a significant quarter with the release of the Bramaderos Project Scoping Study and restart of drilling aimed at growing the 3.6Moz AuEq Mineral Resource at Bramaderos. bit.ly/4eTF4HX
48
Sunstone Projects Flyover and Geology Overview 24 March 2026 Sunstone is pleased to share the Mar-26 Sunstone Projects Flyover Video in advance of the Bramaderos Scoping Study planned to be released in the June Quarter. #mining #investing bit.ly/40QzIoL
1
55
Sunstone Metals has extended the surface mineralisation at Porotillo with a 462m trench intersecting 0.55 g/t AuEq, including higher-grade zones up to 0.67 g/t AuEq over 195m. #copper #gold #silver #mining #investing $STM bit.ly/4b2ULub
1
149
Sunstone is pleased to be drilling again at Bramaderos The Company has released a fourth trench result at Porotillo for 78 metres at 0.57g/t AuEq, continuing to extend the known mineralisation area at surface #gold #copper #silver $STM bit.ly/3OtgaUx
1
144
Sunstone Metals is pleased to share its latest investor presentation. @gold @copper @silver $STM bit.ly/3MbHxBP
1
57
Discovery of high grade surface mineralisation at Porotillo #gold #copper #silver $STM bit.ly/4cajbml
1
139