Ridgeline Minerals Corp · TSXV:RDG

Ridgeline Minerals — Investor Presentation (December 2025)

44 slides from Ridgeline Minerals's investor presentation, Dec 18, 2025

  1. Slide 1: Exploration Done Differently

    1 Exploration Done Differently December 18, 2025 Corporate Deck TSX-V: RDG | OTCQB: RDGMF | FRA: 0GC0

  2. Slide 2: Disclaimer

    2 CAUTIONARY STATEMENT Disclaimer Forward Looking Statements Qualified Persons. Michael Harp, CPG., Vice President, Exploration, is the Qualified Person as defined by National Instrument 43-101 and has reviewed Statements contained in this press release that are not historical facts are “forward-loo

  3. Slide 3: Ridgeline Minerals

    3 ABOUT US Ridgeline Minerals Ridgeline is a US focused precious and base metal explorer with a portfolio of seven highly prospective exploration projects in Nevada including three earn-in agreements (US $60M) with Nevada Gold Mines & South32 Maiden Drill Program at Selena Delivered a new Massive Su

  4. Slide 4: Management Team

    GLOBAL EXPERIENCE – DISCOVERY FOCUSED 4 Management Team Chad Peters B.Sc., P.Geo Mike Harp M.Sc., CPG Duane Lo CPA (CA) President, CEO & Director Vice President, Exploration CFO & Director ▪ Led multi-million-ounce high-grade CSD ▪ Led multi-million-ounce North Dark Star ▪ 20+ years of international

  5. Slide 5: Capital Structure

    MANAGMENT ALIGNED WITH SHAREHOLDERS 5 Capital Structure As at October 1, 2025 7.2% Management & 139.9M Large Shareholders Insiders Non-Diluted I/O o Merk Investments o Chad Peters – 3.5% o Stephens Investment Mgmt. 4.6M 3.7M 23.0M o Rick Rule Options RSU/DSU Warrants o Extract Capital o MJG Capital

  6. Slide 6: Hybrid Explorer Business Model

    BUSINESS MODEL 6 Hybrid Explorer 4 3 Add Value With Discovery Reduce Risk With Partnerships 2 MONETIZE 1 DE-RISK 4 Monetize asset via sale DISCOVER . os m 3 Maiden resource 4 Selena -$20M -2 12 +20% “free-carry” EXPLORE Swift - $30M 2 Discoveries advanced +25% “free-carry” Black Ridge - $10M +25% “f

  7. Slide 7: Partner-Funded Leverage to Discovery

    BUSINESS MODEL 7 Partner-Funded Leverage to Discovery 30,000,000 RDG Invested Capital vs. Partner Funded Capital +552% leverage on every RDG $ spent $30M + 25% RDG Non- 25,000,000 Dilutive Stake 20,000,000 2025 Partner Funded Drill Budget US $9.5M $20M + 20% RDG Non- 15,000,000 Dilutive Stake 10,000

  8. Slide 8: 7 Projects

    Twin Creeks Midas BLACK RIDGE Turquoise BELL CREEK Carlin-Type Au 8 Ridge & COYOTE South Arturo $10M Earn-In Wells Carlin-Type Au Pinson CORE LAND POSITIONS Winnemucca Meikle Goldstrike Leeville-Turf Lone Tree Carlin Elko Mike 7 Projects Marigold Battle Mountain Gold Quarry Carlin BIG BLUE Porphyry

  9. Slide 9: Selena

    9 PARTNER PROJECTS Selena Optioned – South32 39 km2 Land Package Carbonate Replacement Deposit Ag-Pb-Zn-Au ± Cu-W Click Here SOUTH32 EARN-IN HIGH-GRADE THE OPPORTUNITY 2025 OBJECTIVES US $20M earn-in agreement Chinchilla Zone Discover an open-pit and/or • Maiden drill program signed with S32 (08-22-

  10. Slide 10: South32 Earn-In

    10 SELENA South32 Earn-In ▪ Partnering with South32 at Selena secures the necessary funding for deep drilling (1,000+ meters) at the high- priority Chinchilla Sulfide CRD target ▪ Deal structure provides Ridgeline with a 40% to 20% stake in Selena dependent on Phase I & Phase II milestones ▪ RDG “fu

  11. Slide 11: Selena Discovery Potential

    11 SELENA Selena Discovery Potential CRD Discovery - Nevada Hilltop CRD Discovery - Nevada Selena (RDG – South32 Earn-In) Hermosa-Taylor 3.5km + Strike CRD Deposit - Arizona Discovery Holes (2021-2025 (2)) 8.6m @ 21.1 g/t Ag, 10.4% Zn, 0.3% Pb, 0.1 g/t Au – SE25-053 (Chinchilla Sulfide) Cinco De May

  12. Slide 12: District-Scale Property

    12 SELENA Bald Mountain Mine District-Scale Property (Kinross) ▪ 39km² land package in the historic Limousine Butte mining district in Nevada ▪ Shared boundary with the Butte Valley FCX - JV Porphyry, a US $33M Freeport – McMoRan FCX - JV earn-in agreement with Falcon Butte FCX - JV Minerals (see Oc

  13. Slide 13: Chinchilla Sulfide Discovery

    13 SELENA Chinchilla Sulfide SE22-045 Discovery Chinchilla Oxide 32.5m @ 153.4 g/t Ag, 4.1% Pb-Zn, 0.1 g/t Au Incl: SE22-037 Ag-Pb-Zn-Au ± Cu-W 6.1m @ 480.5 g/t Ag, ▪ 2024 magnetotellurics (MT) survey 3.0m @ 40.2 g/t Ag, MT Contours 18.4% Pb-Zn, 0.1 g/t Au (starting @ 246m) 7.0% Pb-Zn, 3.0 g/t Au (Ω

  14. Slide 14: Chinchilla Sulfide Target: X-Section A-A'

    14 SELENA Chinchilla Sulfide Target: X-Section A-A’ ▪ Hole SE25-053 intersected multiple high-grade massive sulfide CRD horizons up to 17.4m thick in the maiden program! Chinchilla Oxide Chinchilla Sulfide Ag-Pb-Zn-Au ± Cu-W SE23-047 A’ Ag-Au-Zn-Pb ± Cu 60.7m @ 69.8 g/t Ag, FCX RDG 1.8% Pb-Zn, 0.4 g

  15. Slide 15: Chinchilla Sulfide Target: X-Section A-A'

    15 SELENA Chinchilla Sulfide Target: X-Section A-A’ ▪ Superimposing the Taylor Deposit outline (illustrative purposes only) highlights the potential scale at Chinchilla Sulfide Chinchilla Oxide Chinchilla Sulfide Ag-Pb-Zn-Au ± Cu-W SE23-047 A’ Ag-Au-Zn-Pb ± Cu 60.7m @ 69.8 g/t Ag, FCX RDG 1.8% Pb-Zn

  16. Slide 16: Chinchilla Sulfide Target: X-Section B-B'

    16 SELENA Chinchilla Sulfide Target: X-Section B-B’ B SE22-037 3.0m @ 35.4 g/t Ag, 4.0% Pb-Zn, 0.9 g/t Au B’ SE25-052A and 3.0m @ 40.2 g/t Ag, 7.0% Pb-Zn, 3.0 g/t Au 25.6m @ 4.0 g/t Ag, (projected on section) Incl: 0.8m @ 30 g/t Ag, 0.2% Zn (starting @ 605m) SE25-053 17.4m @ 6.0% Zn, 35.6 g/t Ag, 0.

  17. Slide 17: South32

    17 SELENA South32 ▪ South32 Chief Development Officer, Simon Collins cites Ridgelines quality exploration team and notes parallels between Selena and the Taylor Deposit ▪ November 4th 2025, LinkedIn post

  18. Slide 18: Swift

    18 PARTNER PROJECTS Swift Optioned - Nevada Gold Mines 75 km2 Land Package Carlin- Type Au-Ag Click Here NGM EARN-IN LOCATION THE OPPORTUNITY 2025 OBJECTIVE US $30M earn-in agreement District-scale land package on NGM targeting a 5+ Moz high- • US$5.0M exploration budget to be signed with NGM (09-22

  19. Slide 19: Nevada Gold Mines Earn-In

    19 SWIFT Nevada Gold Mines Earn-In ▪ Partnering with NGM at Swift eliminates the high exploration risk and cost associated with deep drilling ▪ Deal structure provides Ridgeline with exposure to Swift across all levels of project development with zero corporate dilution ▪ NGM aggressively exploring

  20. Slide 20: Swift Discovery Potential

    20 SW24-006 Swift Project 2.7m @ 7.0 g/t Au ($30M RDG-NGM JV) SWIFT Incl: 1.1m @ 10.4 g/t Au Elder Creek Discovery Potential NGM DDH Robertson PWC Project ($20M Kinross – RLYG JV) SW24-007 Clipper ▪ First six NGM framework holes (2021-2024) 24.7m @ 0.5 g/t Au Incl: at Swift have hit significant gold

  21. Slide 21: 2025 Drilling

    21 SWIFT Mill Creek Mineralized Corridor Ridgeline Map View 2025 Drilling SW25-009 (Assays Pending) DDH MCK-99-5A ▪ US $5.0M budget Swift Project 18.3m @ 0.6 g/t Au SW21-001 approved by NGM with Prospective $30M - Nevada Gold Mines Earn-In Incl: 3.0m @ 2.1 g/t Au 9.1m @ 0.5 g/t Au SW25-007 in progre

  22. Slide 22: Schematic Long Section A-A'

    22 SWIFT Schematic Long Section A-A’ ▪ SW24-006 returned the highest-grade drill results in project history including 1.1m @ 10.4 g/t Au within 2.7m @ 7.0 g/t A NGM SWIFT - RDG A’ 9.1m @ 0.5g/t Au 3.0m @ 52.1m @ 0.4 g/t 2.3 g/t Au Au Incl: SW24-006 18.3m @ 0.6 g/t Au SW20-003 3.4m @ 1.9 g/t Au 2.7m

  23. Slide 23: SW24-006 High-Grade Zone

    23 SWIFT SW24-006 High-Grade Zone SW24-006 Mineralized Intercept 2.7m @ 7.0 g/t Au including 1.1m @ 10.4 g/t Au 0.7 g/t Au 1.5 g/t Au <0.1 g/t Au 1.3 g/t Au 0.3 g/t Au 10.4 g/t Au 5.5 g/t Au 0.2 g/t Au <0.1 g/t Au SW24-006 Core Photo Source: modified from Nevada Gold Mines Higher Au grades related t

  24. Slide 24: Barrick Q3 2024 Results Presentation

    24 SWIFT Barrick Q3 2024 Results Presentation RDG – NGM JV RDG – NGM JV Modified from Barrick Q3 Results Presentation

  25. Slide 25: Black Ridge

    25 PARTNER PROJECTS Black Ridge Optioned - Nevada Gold Mines 19.5 km2 Carlin Trend Land Package Carlin- Type Au-Ag Click Here NGM EARN-IN STRATEGIC LOCATION THE OPPORTUNITY 2025 OBJECTIVE US $10M earn-in agreement US $1M NGM budget to complete ~4km down-strike of the Leeville Significant discovery p

  26. Slide 26: Nevada Gold Mines Earn-In

    26 BLACK RIDGE Nevada Gold Mines Earn-In ▪ Deal structure provides Ridgeline with exposure to Black Ridge from discovery to project development with zero corporate dilution ▪ Second Ridgeline deal with NGM totaling US$40M in potential total expenditures across Black Ridge and Swift projects To view

  27. Slide 27: Strategic Location

    27 REN 1.6Moz @ 6.6 g/t Au(9) BLACK RIDGE (NGM – Inferred Resource) Coyote (100% RDG) Strategic Location Bell Creek (100% RDG) Black Ridge (NGM Earn-in) ▪ On-strike of NGM’s maiden inferred resource at Fallon (previously North Leeville) of 1.0 Moz. Au @ 11.3 g/t (9) RLX-25001 Carlin Mine Highlight F

  28. Slide 28: Ice Target: Conceptual X-Section

    28 BLACK RIDGE Ice Target: Conceptual X-Section A A’ RLX-25001 Vinini Fm. (Upper Plate) 0.8m @ 0.113 g/t Au Conceptual Targets TD 1,109m Bootstrap LS Bootstrap LS

  29. Slide 29: Leeville Schematic Long Section

    29 BLACK RIDGE Leeville Schematic Long Section ▪ Nevada Gold Mines has approved a US $1.0M exploration budget in 2025 to drill one deep core hole at Black Ridge ▪ Drill hole will target the same prospective lower-plate carbonate host rocks that host the Fallon, Leeville and Carlin Mines to the south

  30. Slide 30: Atlas

    30 PIPELINE PROJECT Atlas 6.0 km2 Land Package Carlin-Type Oxide Au 100% OWNED OXIDE GOLD THE OPPORTUNITY 2025 OBJECTIVE 6.0km² land package covers a Multi-gram Au in rock chips at surface Untested prospect with identical host • Q2 – Maiden drill program 3km + surface gold anomaly with with highligh

  31. Slide 31: Carlin Trend Framework

    31 ATLAS Carlin Trend Framework ▪ Regional fault structures, (Rhys et al 2015) suggest there are two parallel N/NE gold trends branching off the North Carlin Trend ▪ Rain/Emigrant to Dark Star/Pony Creek (8.0+ Moz. Au trend) ▪ Atlas (undrilled target) ▪ Northwest and N/NE fault intersections are key

  32. Slide 32: Oxide Gold Target

    AT25-002 North Block 5.9m @ 0.20 g/t Au, 2.43 g/t Ag 32 and 9.8m @ 0.15 g/t Au, 2.20 g/t Ag 7.7 g/t Au ATLAS 3.2 g/t Au AT25-001 0.2m @ 1.8 g/t Au, 2.10 g/t Ag A A’ Oxide Gold Target within 8.5m @ 0.2 g/t Au, 0.52 g/t Ag 0.5 g/t Au Atlas Boundary South Block ▪ Historically explored with extensive su

  33. Slide 33: Maiden Drill Program

    33 ATLAS A Maiden Drill Program A’ 0.2m @ 1.8 g/t Au, 2.10 g/t Ag within 8.5m @ 0.2 g/t Au, 0.52 g/t Ag ▪ 2025 drill program completed two holes totaling 551m in the northern Atlas claim block (see PR HERE) Penn-Perm Host ▪ AT25-001 drilled to the east and down-dip of gold bearing and partially erod

  34. Slide 34: AT25-001 Core Photos

    34 ATLAS AT25-001 Core Photos ▪ Core exhibits pervasive Carlin-Type alteration, anomalous Au and oxidation throughout with grades up to 1.8 g/t Au

  35. Slide 35: High-Grade Oxide Au

    35 ATLAS High-Grade Oxide Au Recently acquired “Trench” claim block is historically underexplored with high-grade Au at surface (see PR HERE) Trench High-Grade Zone 2.1 g/t Au Historical Road Cut (reclaimed)

  36. Slide 36: Big Blue

    36 PIPELINE PROJECT Big Blue 50 km2 Land Package Porphyry & CRD Cu-Au-Ag ± Pb-Zn 100% OWNED HIGH-GRADE THE OPPORTUNITY 2025 OBJECTIVE 50km² land package covers past Delker Mine produced 94,434 pounds Cu Potential to discover porphyry/skarn Q2 - Maiden drill program producing Delker and Skarn Hill @

  37. Slide 37: Historic Cu District

    37 BIG BLUE Delker Mine Trend 3.9% Cu, Produced 94k lbs. Cu @ 6.2% 16.3 g/t Au, 1916-1917(14) Historic Cu District (qtz. Vein w VG ) 0.4% Cu, 9.6 g/t Au, (qtz. vein) U/G Shaft 0.3% Cu, 10.8% Cu, Delker ▪ The Big Blue Project includes the past 0.1 g/t Au, (qtz. vein) 0.1 g/t Au, Mine (skarn) producin

  38. Slide 38: IP Targets

    38 Delker Mine Trend BIG BLUE Produced 94k lbs. Cu @ 6.2% 1916-1917(14) 3.9% Cu, 0.4% Cu, IP Targets 16.3 g/t Au 9.6 g/t Au Ohio Porphyry Delker ▪ 2024 IP survey was designed as a first-pass Target BB25-001 Mine Shaft survey over both the Delker and Ohio porphyry 15.5% Cu BB25-002 targets BB25-003 S

  39. Slide 39: BB25-001 & BB25-003

    Delker Mine 94k lbs. Cu 1.6% Cu 15.5% Cu @ 6.2% 39 A A’ DELKER SKARN TARGET High-Grade Carbonate Feeder rocks BB25-001 & BB25-003 ▪ BB25-001 bottomed in barren Delker granodiorite Delker and suggests the high-grade feeder fault dips steeply Granodiorite 0.6m @ 0.7% Cu, 3,194 g/t Ag, east instead of

  40. Slide 40: Delker Porphyry Target

    BB25-002 40 B B’ DELKER PORPHYRY TARGET BB25-003 0.6m @ 0.7% Cu, BB25-002 Alluvium 3,194 g/t Ag, 2.6% W (projected on section) Disseminated PY + Mag ▪ The 20-25 Mv/V chargeability high that was Humboldt Fm. = charge high targeted with core hole BB25-002 intersected a High-Grade phase of pre-mineral

  41. Slide 41: IP Line 72000N X-Section

    41 OHIO TARGET IP Line 72000N X-Section ▪ 2025 drilling intersected bonanza grades along high-grade Delker feeder structure (BB25-003: 0.6m @ 0.7% Cu, 3,194 g/t Ag, 2.6% W) with high grade Cu-Au rock chips at the Ohio Porphyry target (see PR HERE) untested to-date 3.9% Cu, 16.3 g/t Au, 0.4% Cu, 9.6

  42. Slide 42: 2025 Exploration Strategy

    DIVERSIFIED PROJECT PIPELINE 42 2025 Exploration Strategy 100% OWNED- PORPHYRY CU Big Blue – Past Cu producer, RDG targeting porphyry Cu & CRD discoveries PARTNER PROJECTS under shallow cover Swift - $30M NGM earn-in BB25-003: 0.6m @ 0.7% Cu, 3,194 g/t Ag, 2.6% W Selena - $20M S32 earn-in Black Ridg

  43. Slide 43: Contact

    43 PRESIDENT & CEO INVESTOR RELATIONS Chad Peters, P.Geo David Jan 775-304-9773 604-828-2255 cpeters@ridgelineminerals.com info@ridgelineminerals.com Icon Logo Description automatically generated Description automatically generated ridgelineminerals.com TSX-V: RDG | OTCQB: RDGMF | FRA: 0GC0 ridgelin

  44. Slide 44: Board of Directors

    GLOBAL EXPERIENCE – DISCOVERY FOCUSED 44 Board of Directors Chad Peters, President, CEO & Director Duane Lo, CFO & Director 15 years of exploration and production experience. Co-founded 20+ years International accounting and financial management Ridgeline in 2018, former exploration manager for Prem

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