Altitude Minerals Ltd · ASX:ATT
Altitude Minerals — RIU Sydney (May 2026)
23 slides from Altitude Minerals's conference presentation, May 6, 2026
Slide 1: A Pipeline of Targets
For personal use only A PIPELINE OF TARGETS RIU SYDNEY MAY 2025 Market Cap $6 M Share Price 1.6 cents Current Cash Position 31 Mar 2026 $1.3 m Unlocking shareholder value through high-quality discoveries Capital Structure 355 m Shares 152 m Options, 16 m Performance Rights Share price as of 1 May 20
Slide 2: Strategy
For personal use only STRATEGY Test and refresh a pipeline of high-quality targets Altitude Minerals (ASX: ATT) aims to maximise news flow, liquidity and, most importantly, shareholder value through drill testing a continuous pipeline of high-quality targets that will drive discovery success. ASX: A
Slide 3: Drill Target Selection Criteria
DRILL TARGET SELECTION CRITERIA For personal use only The key to executing Altitude Minerals’ strategy is identifying targets that meet a clear set of selection criteria: ü in-demand strategic and precious metals ü profitable mines in region ü economic scale potential ü favorable jurisdictions ASX:
Slide 4: Altitude's Pipeline of Drill Targets
ALTITUDE’S PIPELINE OF DRILL TARGETS For personal use only DRILL READY Theseus Project, NSW W-Project, Nevada Target definition Validating New Copper-Gold Silver & Gold Drill Porphyries underway Targets Byrock Project, NSW Firenze Project, Nevada Follow-up Drilling on Silver & Gold Drill Copper-Gold
Slide 5: Drilling in NSW
DR I LLIN G IN 202 6 For personal use only ASX: ATT | 5
Slide 6: A Pipeline of Copper Gold Targets in NSW
A PIPELINE OF COPPER GOLD TARGETS IN NSW For personal use only THE MACQUARIE ARC 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 Cadi
Slide 7: Size of the Prize: North Parkes Porphyry Cluster
SIZE OF THE PRIZE NORTH PARKES PORPHYRY CLUSTER For personal use only The E26 Deposit* • 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 but
Slide 8: Targeting Porphyry Deposits
TARGETING PORPHYRY DEPOSITS SCOTT HALLEY For personal use only The well-known Porphyry Copper Deposit (PCD) Model, Ore shell Sillitoe, 2010 Alteration surrounding the mineralised core Conceptual model from Sillitoe, 2010 ASX: ATT | 8
Slide 9: Targeting Porphyry Deposits
TARGETING PORPHYRY DEPOSITS SCOTT HALLEY For personal use only 430Ma erosion transported cover The well-known saprolite Porphyry Copper Deposit (PCD) Model, Ore shell Sillitoe, 2010 Alteration surrounding the mineralised core Conceptual model from Sillitoe, 2010 ASX: ATT | 9
Slide 10: In 2025: Air Core Drill Program
IN 2025: AIR CORE DRILL PROGRAM TO TEST A NORTH-WEST For personal use only EXTENSION OF THE MACQUARIE ARC • Target validation with regional air-magnetics and gravity geophysics surveys identified multiple targets • We narrowed our selection to nine (9) drill targets, including seven (7) shallow “pip
Slide 11: Positive Drilling Results: The Geological Fingerprint
POSITIVE DRILLING RESULTS ASX RELEASE 06 February 2026 For personal use only THE GEOLOGICAL FINGERPRINT • Elevated gold (>50ppbAu) was detected where the gold was spatially associated with quartz veins. • Combinations of elevated pathfinder elements As, Bi, Sb, Se, Sn, Te, Tl and W, consistent with
Slide 12: Results of Drilling
FEBRUARY 2026 ASX RELEASE RESULTS OF DRILLING 06 May 2026 For personal use only • The results validated the geological model and confirmed the prospectivity of the target area to host Cu-Au porphyry style deposits • Porphyry Pathfinder Elements* Sb, As, Bi, Te, Se, Sn, W and Mo, and pervasive propyl
Slide 13: Infill Geophysics Confirms Targets
INFILL GEOPHYSICS CONFIRMS TARGETS ASX RELEASE 06 May 2026 For personal use only • Newly acquired infill gravity and passive seismic data have been integrated with 2025 magnetics data to predict depth to target and optimise RC drill collar locations • 2,300m RC drill program is planned for mid-year
Slide 14: Pipe Targets: Next Porphyry Cluster in NSW?
PIPE TARGETS ASX RELEASE 06 May 2026 NEXT PORPHYRY CLUSTER IN NSW? For personal use only • Designed a 2,300m RC drilling campaign on the Byrock Project. • Drill permits submitted and expected in late May 2026, with RC drilling planned for mid-2026 ? ASX: ATT | 14
Slide 15: Drilling in Nevada
DRI LLIN G IN 2 026 For personal use only ASX: ATT | 15
Slide 16: Why Nevada?
WHY NEVADA? For personal use only • Nevada is home to established profitable mines and produced 70% of the USA’s gold production in 2024 • On its own, Nevada is the fifth largest gold producer globally – behind China, Russia, Australia and Canada. • Nevada was recently ranked #1 in the World by the
Slide 17: The Silver & Gold Opportunity: Firenze Project
DRI LL R THE SILVER & GOLD OPPORTUNITY EAD Y For personal use only Firenze Project – 100% acquired in November 2025 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-sulphidati
Slide 18: Silver & Gold Targets Validated
DRI LL R SILVER & GOLD TARGETS VALIDATED EAD Y For personal use only Preparing the Firenze Project for drill testing • High-priority drill targets confirmed from target validation studies, including: comprehensive CSAMT and drone magnetics geophysical surveys, detailed structural & alteration mappin
Slide 19: New Silver & Gold Targets: W-Project
NE W NEW SILVER & GOLD TARGETS For personal use only W-Project – Option to Purchase Secured in May 2026 • Secured an exclusive option to purchase the W Gold & Silver Project, near Winnemucca, Nevada • 40 of 43 historical drill holes intersected gold Significant Historical Intersections include: mine
Slide 20: Next Steps Nevada
NEXT STEPS NEVADA For personal use only SILVER GOLD TARGETS, NEVADA W-Project • Geophysics surveys • Drone Mag Survey • CSAMT Survey • Mapping and high priority drill targets ranked • Permits and Drill site preparation Firenze Project • Earthworks underway currently • 100% drill ready May RC Drillin
Slide 21: Altitude's Pipeline of Drill Targets
ALTITUDE’S PIPELINE OF DRILL TARGETS For personal use only DRILL READY Theseus Project, NSW W-Project, Nevada Target definition Validating New Copper-Gold Silver & Gold Drill Porphyries underway Targets Byrock Project, NSW Firenze Project, Nevada Follow-up Drilling on Silver & Gold Drill Copper-Gold
Slide 22: Disclaimer, JORC Information
DISCLAIMER, JORC INFORMATION For personal use only 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 purport to b
Slide 23: 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 6 May 2026 ASX: ATT | 23