Altitude Minerals Ltd · ASX:ATT
Altitude Minerals — RIU Explorers Conference Fremantle 2026
24 slides from Altitude Minerals's conference presentation, Feb 18, 2026
Slide 1: A Pipeline of Targets
A PIPELINE OF For personal use only TARGETS RIU FREMANTLE FEBRUARY 2026 Market Cap $8 M Share Price 2.1 cents Current Cash Position (31 Dec 2025) Unlocking shareholder value $1.8 m through high-quality discoveries Capital Structure 355 m Shares 152 m Options, 16 m Performance Rights Share price as o
Slide 2: The Altitude Strategy
THE ALTITUDE STRATEGY Testing a pipeline of high-quality targets For personal use only Altitude Minerals (ASX: ATT) has designed a strategy to maximise news flow, liquidity and, most importantly, shareholder value through drill testing a continuous pipeline of high-quality targets that will drive di
Slide 3: A Pipeline of Drill Targets: Immediate News Flow
A PIPELINE OF DRILL TARGETS Immediate News Flow For personal use only FO L IV E LO W P O S IT D R IL L IN G TAR GET D R IL W - U P NE LT S IN G L IN G RESU Positive proof-of- concept drilling results Copper-Gold Porphyry Drilling Follow-up Drilling Target definition Pipe Targets Silver & Gold Target
Slide 4: Copper Gold Targets in NSW: The Macquarie Arc
RECEN T POS ITIV E D R IL L IN G R ESU L T S For personal use only Copper Gold Targets in NSW THE MACQUARIE ARC The Macquarie Arc is widely recognised as Australia’s premier porphyry copper-gold province ASX: ATT | 4
Slide 5: A Pipeline of Copper Gold Targets in NSW
A PIPELINE OF COPPER GOLD TARGETS IN NSW THE MACQUARIE ARC For personal use only An Established Mining Province • The Macquarie Arc is an established mining district and widely recognised as Australia’s premier porphyry copper-gold province, hosting several world-class mines, such as Newmont’s Cadia
Slide 6: New T47 Prospect Cu-Au Porphyry, Byrock Project
1 year a go a t RI FEBRUARY 2025: U Frema n tl e NEW T47 PROSPECT CU-AU PORPHYRY For personal use only BYROCK PROJECT Whole rock analysis on historical CRAE drill core, by the vendor’s geology team recognised the presence of a Cu-Au fertile, high K / shoshonitic quartz monzodiorite intrusion (previo
Slide 7: PCD Pathfinder Geochem Model
PCD PATHFINDER GEOCHEM MODEL Scott Halley For personal use only 430Ma erosion The well-known Porphyry Copper Deposit (PCD) Model, Sillitoe, 2010 Alteration surrounding the mineralised core Conceptual model from Sillitoe, 2010 ASX: ATT | 7
Slide 8: PCD Pathfinder Geochem Model
PCD PATHFINDER GEOCHEM MODEL Scott Halley For personal use only 430Ma erosion The well-known transported cover saprolite Porphyry Copper Deposit (PCD) Model, Interpreted ATT drilling Ore shell Sillitoe, 2010 Alteration surrounding ? the mineralised core Conceptual model from Sillitoe, 2010 ASX: ATT
Slide 9: Identified & Drilled the Pipe Targets in 2025
IN 2025 IDENTIFIED & DRILLED THE PIPE TARGETS For personal use only TARGET VALIDATION (March – August) • Large-scale air-magnetic survey & 3D modelling • IP Surveys T47 and T55 Targets (ineffective due to conductive cover) • Gravity Survey • Land Access Agreements • Data compilation and drill target
Slide 10: Pipe Targets | Positive A/C Drilling Results
PIPE TARGETS | POSITIVE A/C DRILLING RESULTS For personal use only ? Key questions to resolve: What depth of erosion has occurred? Background image company geophysics and air-core results ASX 6/2/2026 ASX: ATT | 10
Slide 11: 3D Magnetic Modelling of Priority Targets
3D MAGNETIC MODELLING OF PRIORITY TARGETS T47 & P38 3D magnetic modelling indicates T47 is For personal use only a broad magnetic intrusion (>1,000 x 10-5 SI). This intrusion appears to link up to adjacent pipe target P38, with P02, P37 and P01 pipes residing on the periphery. T47 coincides with a b
Slide 12: Pipe Targets - Positive A/C Drilling Results
PIPE TARGETS - POSITIVE A/C DRILLING RESULTS For personal use only Conceptual model, from Sillitoe 2010 ASX: ATT | 12
Slide 13: Size of the Prize: North Parkes Porphyry Cluster
SIZE OF THE PRIZE NORTH PARKES PORPHYRY CLUSTER Notes E26 Deposit* For personal use only • Discovered in 1978-80 • First Production 1983 • E26 is still being mined today by the block cave method as part of the Evolution Mining North Parkes Operation. • Depleted MRE is not stated separately in 2025 b
Slide 14: Pipe Targets: Next Porphyry Cluster in NSW?
PIPE TARGETS NEXT PORPHYRY CLUSTER IN NSW? For personal use only ? ASX: ATT | 14
Slide 15: Deal Terms - Earn-in and JV Agreement
DEAL TERMS - EARN-IN AND JV AGREEMENT BYROCK PROJECT For personal use only Further ATT Stage Duration Consideration Shares % ATT Spend Required Stage One Earn-in 2 years $1.35m issued 51% Stage Two Earn-in 2 years $3m $300k shares* 75% Remaining 4 years $4.35m $300k shares up to 75% * The issue of s
Slide 16: The Firenze Project: Nevada Silver & Gold
D R IL L IN G I N 202 6 For personal use only The Firenze Project NEVADA SILVER & GOLD ASX: ATT | 16
Slide 17: Why Nevada?
WHY NEVADA? For personal use only • Nevada is home to established profitable mines and produced 70% of the annual gold production in the USA for 2024 • Nevada is ranked #2 in the World by the Fraser Institute for mining • Good access and infrastructure – most projects have major Interstate highways
Slide 18: The Silver & Gold Opportunity
THE SILVER & GOLD OPPORTUNITY Firenze Project – 100% acquired November 2025 For personal use only SILVER AND GOLD TARGETS • Highly prospective for high-grade Ag-Au vein-style deposits and large-scale disseminated Ag-Au style deposits under shallow cover • Outcropping low-sulphidation epithermal Ag-A
Slide 19: Silver & Gold Target Validation
SILVER & GOLD TARGET VALIDATION Preparing the Firenze Project for drill testing in Q2, 2026 For personal use only OVERVIEW The Altitude Team has completed a drill collar validation process, including: • Alteration and structural mapping • Rock chip sampling • Drone magnetic survey • CSAMT subsurface
Slide 20: News Flow - Near Term
NEWS FLOW – NEAR TERM Firenze Ag & Au Project For personal use only KEY ANNOUNCEMENTS EXPECTED 1. Integrated 3D Drill Target Model completed (Feb) 2. Drill Permits received (March) 3. Drilling commenced 2,000m+ RC drill program (Early Q2) 4. Assays (subject to laboratory timing) ASX: ATT | 20
Slide 21: Refreshing the Pipeline: Target Generation
ING the Pipeline REFRESH TARGET GENERATION For personal use only The key to refreshing Altitude’s Pipeline of Targets is our refined project selection process. This begins with pinpointing key jurisdictions of interest that we believe offer a good opportunity for Altitude shareholders. We then lever
Slide 22: A Pipeline of Drill Targets: Immediate News Flow
A PIPELINE OF DRILL TARGETS Immediate News Flow For personal use only FO L IV E LO W P O S IT D R IL L IN G TAR GET D R IL W - U P NE LT S IN G L IN G RESU Positive proof-of- concept drilling results Copper-Gold Porphyry Drilling Follow-up Drilling Target definition Pipe Targets Silver & Gold Target
Slide 23: Disclaimer, JORC Information
DISCLAIMER, JORC INFORMATION This presentation has been prepared by Altitude Minerals Ltd (Altitude), formerly Copper Search Limited. This document contains current background information as of the presentation date. The presentation is in summary form and does not For personal use only purport to b
Slide 24: Contact
CONTACT For personal use only Duncan Chessell Managing Director Ph: +61 414804055 E: dc@altitudeminerals.com Adelaide Office 21 Sydenham Road Norwood, SA 5067 www.altitudeminerals.com Authorised for release by Duncan Chessell, Managing Director 18 February 2026 ASX: ATT | 24
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