Siren Gold Ltd · ASX:SNG
Siren Gold — Investor Presentation (October 2025)
27 slides from Siren Gold's investor presentation, October 2025
Slide 1: Unlocking High-Grade Gold and Antimony in New Zealand
ASX:SNG Unlocking High-Grade Gold and Antimony in New Zealand The right commodities in a world-class mining jurisdiction Investor Presentation October 2025 Siren Gold | www.sirengold.com.au 1
Slide 2: Disclaimer and Forward-Looking Statements
DISCLAIMER AND FORWARD-LOOKING STATEMENTS These presentation materials and the accompanying verbal presentation (together, the Presentation Materials) have responsibility or liability including, without limitation, any liability arising from fault or negligence on the part of any been prepared by Si
Slide 3: High-Grade Opportunities
HIGH-GRADE OPPORTUNITIES Sams Creek Gold Project (81.9% Siren)¹ • Existing JORC MRE of 824koz @ 2.82 g/t Au². • Significant exploration potential with resource open at depth and along 7km strike (up to 50m thick). • Mining permit application submitted with NZPAM. Langdons Antimony & Gold Project (10
Slide 4: New Zealand's Mining Renaissance
NEW ZEALAND'S MINING RENAISSANCE New Zealand is a tier-1 jurisdiction with a progressive government committed to developing a modern, responsible mining industry NZ $3B Exports Fast-Track By 2035 Approvals Act ~38Moz Au Government pledge A centralised Estimated to double mining approvals process for
Slide 5: Corporate Overview
CORPORATE OVERVIEW Capital Structure Experienced Board & Management 264.9M A$0.115 A$2.7M Brian Rodan Paul Angus Shares Outstanding2 Share Price2 Cash2 FAusIMM BSc, MAusIMM Chairman Exec Tech Dir 87.0M A$30.4M A$15.8M • 48 years' industry experience. • MD & Owner of Australian Contract Mining • Expl
Slide 6: Siren Is in Good Company
SIREN IS IN GOOD COMPANY New Zealand Gold Companies Peer Comparison | Total Resources and Market Capitalisation $1,000 4 $8,528M $900 11.14Moz Market Cap 3.5 $794M 2.34Moz Total Resources $800 3 $700 2.5 Million Ounces Au $600 Millions $AUD $500 2 $400M 0.80Moz $400 1.5 $300 1 $30M 0.82Moz $200 $94M
Slide 7: Sams Creek
SAMS CREEK • Advanced Project • 824 koz Au Resource • 7km Exploration Strike • 1 Rig Drilling Siren Gold | www.sirengold.com.au 7
Slide 8: Sams Creek: 824 koz and Growing
SAMS CREEK: 824 K OZ AND GROWING • Large-scale intrusion related gold system (IRGS). • Exploration and infill drilling recommenced October 2025. • 824koz @ 2.8g/t Au mineral resource already defined • Similar folds have been interpreted at several locations along the 7km outcropping dyke with rock c
Slide 9: Sams Creek: Building Critical Resource Mass
SAMS CREEK: BUILDING CRITICAL RESOURCE MASS • Comprises 3 contiguous areas – Main Zone, Carapace and SE Traverse – providing multiple areas for resource growth. • Main Zone – large-scale, deeper core deposit, with thick high-grade intercepts up to 37.0m @ 3.26 g/t Au from 191m (SCDDH048)1. Mineralis
Slide 10: Sams Creek: Underexplored 7km Corridor
SAMS CREEK: UNDEREXPLORED 7KM CORRIDOR Substantial surface mineralisation across 7km • Geological model of high-grade gold in fold “hinge-zones” has proven effective to date. intrusive dyke. • Several fold hinges identified • Historical rock chips, geochemical sampling and mapping have clearly ident
Slide 11: Sams Creek: A Geological Anomaly?
SAMS CREEK: A GEOLOGICAL ANOMOLY? • New Zealand gold deposits largely conform to orogenic type in the South Island and epithermal type in the North Island. • Mineralisation is entirely within a hydrothermally altered peralkaline granite porphyry dyke. • Potentially New Zealand’s only known reduced i
Slide 12: Our Strategy to De-Risk & Grow Sams Creek
OUR STRATEGY TO DE-RISK & GROW SAMS CREEK Complete Phase 1 Phase 2 Phase 3 Phase 4 Permitting & Resource Growth & Scoping & De-Risking PFS & Detailed DFS & Resource Applications Confidence Studies Environmental Consent Application Progressing (Q4 2025 – Q2 2026) (Q3 2026) Baseline • Preliminary tech
Slide 13: Langdons
LANGDONS • Historic Mining Centre • High Grade Gold and Antimony • No Modern Exploration Siren Gold | www.sirengold.com.au 13
Slide 14: Langdons: Antimony & Gold
LANGDONS: ANTIMONY & GOLD High grade historic mine area with analogues to Reefton goldfield • High-grade, shear hosted Antimony and Gold. • 67.7 km² land package over the southern end of the Paparoa goldfield ~50km SW of Reefton. • Historical high-grade antimony mines (Sb reefs) - grades up to 2,610
Slide 15: Langdons: Rediscovering Historic Goldfield
LANGDONS: REDISCOVERING HISTORIC GOLDFIELD • In-situ rock samples from multiple exposed structures with assays up to 38.0 g/t Au and 5.7% Sb1. • Float samples demonstrated exceptional grade potential of the system with assays up to 506 g/t Au and 21.0% Sb2. • Shear related gold system with analogues
Slide 16: Langdons: Soil Geochemistry
Au Conventional Au Ionic Leach LANGDONS: SOIL GEOCHEMISTRY • Systematic Ionic Leach (IL) soil sampling conducted over the southern project area to assist with discovery below the overlying cover. • New coherent As-Sb-Au soil Sb Conventional Sb Ionic Leach anomaly identified to the south, indicating
Slide 17: Queen Charlotte
QUEEN CHARLOTTE • High Grade Au and Sb • Mine workings over 1.2km • No Modern Exploration • Multiple Structures Over 6km Strike Siren Gold | www.sirengold.com.au 17
Slide 18: Queen Charlotte: Antimony & Gold
QUEEN CHARLOTTE: ANTIMONY & GOLD District scale with no modern exploration • Large 118.7km² project area with multiple kilometre scale mineralised structures. • Hosts the historic Endeavour Mine - largest Antimony mine in New Zealand. • Endeavour Inlet was mined along 1,200m strike and 400m vertical
Slide 19: Endeavour Inlet Mine
ENDEAVOUR INLET MINE Large-Scale, High- • Channel sample of 5.4m @ 5.4g/t Au at Tunnel 11 Grade Antimony • Antimony rock chip samples up to 23.4% Sb at Tunnel 1 and Gold System • No previous drilling. • High-grade Sb and Au • Fieldwork program to be completed this quarter. mineralisation controlled
Slide 20: Exposure to the Reefton & Hauraki Goldfields
EXPOSURE TO THE REEFTON & HAURAKI GOLDFIELDS • Rua Gold TSX-V:RUA 16.7% Equity Holder Siren Gold | www.sirengold.com.au 20
Slide 21: Reefton & Hauraki Goldfields
REEFTON & HAURAKI GOLDFIELDS • SNG is the largest shareholder in RUA Gold Inc (TSX-V:RUA), holding a strategic ~17% stake. • Provides SNG’s shareholders direct exposure to RUA’s across two highly prospective, proven multi-million-ounce Goldfields. Permitting Stage • Investment leveraged Total Resour
Slide 22: Commodities Outlook
COMMODITIES OUTLOOK • Gold at all time highs • Antimony at all time highs Siren Gold | www.sirengold.com.au 22
Slide 23: Gold & Antimony at Record Prices
GOLD & ANTIMONY AT RECORD PRICES 3-Year Gold and Antimony Price Trends ($USD)1 $63,250/t Antimony Increased Key Drivers ~371% Oct 22 – Oct 25 Critical for use in Key ingredient for Increasing Global supply Concerns for energy storage, Li- alloys used in demand for its dominated by secure, stable $3,
Slide 24: Value Proposition
VALUE PROPOSITION Sams Creek, Strategic Resource Highly Well Funded Building on Project Growth Experienced strong Portfolio Pipeline Team foundations • Current resource • Gold & Antimony, both • Drilling underway at • Highly experienced • A$4.0M raised to open in all directions trading at record hig
Slide 25: Thank You
ASX:SNG THANK YOU NGĀ MIHI Contact: Zane Padman Chief Executive Officer T: (08) 6458 4200 E: admin@sirengold.com.au W: www.sirengold.com.au Siren Gold | www.sirengold.com.au 25
Slide 26: Sams Creek Mineral Resource Estimate
Resource Au Ounces Project Cut-off g/t Tonnes (Mt) Au Grade (g/t) Classification (koz) SAMS CREEK Main Zone Indicated 1.5 3.3 2.8 295 MINERAL RESOURCE Sams Creek Indicated - 3.3 2.8 295 ESTIMATE Main Zone Inferred 1.5 3.8 2.7 330 Bobby Dazzler Inferred 1.5 0.2 2.6 17 Released on 30 January 2023 SE T
Slide 27: Appendix 1 – Peer Source Information
APPENDIX 1 – PEER SOURCE INFORMATION Mineral Resources Company Code Total Resource Grade Source: Mineral Resources and Ore Reserves - ASX Announcements (Moz) (g/t) Feb 19th 2025 “OceanaGold Reports Mineral Reserves and Resources for the Year Ended OceanaGold Corporation TSX:OGC 11.14 1.7 2024” Santa