#1OCTAVA MINERALS LTD West Australian based Lithium, PGM's and Gold Exploration Company INVESTOR PRESENTATION INVESTOR PRESENTATION August 2022#2IMPORTANT NOTICE AND DISCLAIMER Draft document provided for a particular purpose OCTAVA MINERALS LIMITED This presentation has been prepared by Octava Minerals Limited (Company). The Company lodged a prospectus with ASIC on 17 June 2022. Further information is set out in that prospectus. The prospectus is available and can be downloaded at octavaminerals.com/prospectus. Any offers of securities un the Company will be made in, and accompanies by, a copy of the prospectus. A person should consider the prospectus in deciding whether to acquire securities in the Company. Anyone who wants to acquire securities in the Company will need to complete the application form that will be in or will accompany the prospectus. The purpose of this presentation is to provide background information to assist readers in obtaining a general understanding of the Company's proposals and objectives. It is not and should not be considered as an offer or invitation to apply for or purchase any securities of the Company or as a recommendation or inducement to make an offer or invitation in respect of securities in the Company. This presentation is not a disclosure document under Australian law or under any other law. Accordingly, this presentation neither purports to be exhaustive nor contain all of the information which any reader or prospective investor may require to make an investment decision and it does not contain all of the information which would otherwise be required by Australian law or any other law to be disclosed in a prospectus. The Company has authorised the distribution of this presentation to recipients, subject to the terms of set out herein. 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By accepting this presentation, you acknowledge and agree to be bound by the above statements. Octava Minerals Limited 2 INVESTOR PRESENTATION - August 2022#3PROJECT LOCATIONS Octava Minerals Limited High quality lithium, PGM, Ni & gold projects in sought after, proven discovery areas Port Hedland Broome OCTAVA MINERALS LIMITED East Kimberley PGE/Ni-Cu Halls Creek Newman East Pilbara Li, Au-Cu Exploration projects that have the geological provenance (the right rocks...) and significant discoveries nearby (the right address...) Surrounding lithium tenements held by well known resource industry operators (ASX: GL1, KZR, SQM, AS2, CAI, FME, S2R) Easily accessible infrastructure and a number of new mining operations nearby Exmouth Carnarvon Geraldton Karratha Marble Bar O Perth Bunbury Yallalong Ni-Cu, PGE Mt Magnet Leonora O 3 Albany Kalgoorlie Railway 200 km Norseman Esperance INVESTOR PRESENTATION - August 2022#4BOARD AND MANAGEMENT TEAM OCTAVA MINERALS LIMITED Mr Clayton Dodd Non-Executive Chairman Mr Clayton Dodd is a chartered accountant with more than 35 years' experience in finance and the resources sector in Australia, South Africa, South America, the UK and North America. He has held directorships in public companies listed on AIM, the ASX, the TSX and the JSE. He is currently Executive Chairman of Podium Minerals Limited (ASX:POD). Mr Damon O'Meara Non-Executive Director Over 40 years experience in the mining industry having worked for Denis O'Meara Prospecting, founders of Atlas Iron, Kalamazoo Resources and De Grey Mining, and former ASX-Listed Miralga Mining NL. Co-founder of Outback Trees of Australia which has been contracting to prominent mining groups such as Rio Tinto, BHP & FMG for over 30 years. He is currently is a non-executive director of First Au Limited (ASX:FAU) and Narryer Metals Ltd (ASX:NYM). Mr Bevan Wakelam Managing Director/CEO A resource industry executive with over 25 years' experience, holding senior geological and marketing roles across a number of commodities. He spent over 10 years with Rio Tinto and was part of the start-up team at Roy Hill Iron Ore. Bevan has the right blend of technical and corporate experience to lead a dedicated team that will build on an exiting portfolio of tenements. He is also a member of the Australian Institute of Mining and Metallurgy. Octava Minerals Limited INVESTOR PRESENTATION - August 2022#5PROJECT SUMMARY - 3 PROJECT AREAS High grade anomalies strategically located in "Tier 1" exploration regions OCTAVA MINERALS LIMITED East Kimberley Nickel/PGM Project * East Pilbara Project (Talga) 80%* (211km²) East Kimberley Project 100% (32km²) Yallalong Project 100% (63km²) * Earning up to 80% in FAU Talga tenements Pinnacle Well lithium prospect lies 10km to the north of the Global Lithium (ASX: GL1) Archer Lithium deposit (10.5Mt @ 1.0% Li20) and has real potential for similar lithium discoveries. Talga gold prospects are located in the same greenstone stratigraphy & structures as the nearby Warrawoona gold mine (1.5Moz) Calidus (ASX: CAI) and the Bamboo Creek gold deposits Leases immediately along strike to the Panton PGM- Ni Project Resource (2.0Moz Pt + Pd) held by Future Metals (ASX: FME) as well as the former Copernicus Nickel mine. ✓ Prospective holding in the new exploration frontier for Ni-Cu-PGM along the western edge of Yilgarn craton ✓ Similar setting to Julimar held by Chalice (ASX: CHN) with mafic intrusions recording elevated Ni, Cu, PGM. East Pilbara Project Talga Gold and Lithium Port Hedland Yallalong Nickel, Gold Project Geraldton Perth Octava Minerals Project N 200 km Octava Minerals Limited 5 INVESTOR PRESENTATION - August 2022#6LITHIUM - A NEW PILBARA FOCUS OCTAVA MINERALS LIMITED 'Lithium markets remains in structural shortage until 2025...' Benchmark Mineral Intelligence 9 June 2022 "introduction of cornerstone shareholder Mineral Resources Limited (ASX:MIN), committing to invest $13.6 million for a 5.0% interest in the Company. Global Lithium (GL1:ASX)" 14 March 2022 Lithium "Calidus Resources Limited (ASX:CAI) is pleased to announce that the maiden drill program has commenced at Pirra Lithium's Spear Hill discovery located in the Pilbara region of Western Australia." Calidus Resources 27 May 2022 " "Askari Metals expands Lithium Portfolio in highly prospective Pilbara Region, Western Australia. Askari Metals (ASX:AS2) 17 January 2022. 3 Li 6.941 "has identified a substantial lithium-bearing pegmatite with a mapped strike length of more than 1km approximately 50km south-west of Marble Bar in the East Pilbara." Calidus Resources 8 March 2022 ".... the lithium chemical arm of Contemporary Amperex Technology Co. Limited (CATL) (the world's largest EV battery producer), Yibin Tianyi, to invest $6.2 million for a 9.9% interest in Global Lithium (GL1:ASX)" 1 November 2021 "Kalamazoo (ASX:KZR) and the Chilean lithium producer Sociedad Química y Minera de Chile S.A. (SQM) (NYSE: SQM) have entered into an agreement providing SQM with an exploration option and earn-in..." 16 December 2021 Octava Minerals Limited 6 INVESTOR PRESENTATION - August 2022#7EAST PILBARA PROJECT (TALGA) Lithium Discovery Region Pinnacle Well Lithium Prospect Previous exploration identified pegmatite at the Pinnacle Well lithium prospect, within the southern part of the lease, where a rock chip sample returned an anomalous lithium assay of 0.22% Li₂O. The Pinnacle Well lithium prospect lies within the Talga Project area, only ~10km to the northeast of the recently identified Archer Lithium Deposit (10.5Mt @ 1.0% Li20) held by Global Lithium Resources Limited (ASX: GL1) The pegmatite at Pinnacle Well has a similar geological environment to lithium mineralisation to the south and exploration will target an Archer style ore body. There are a number of additional satellite features identified that require field evaluation and sampling. 7750000mN Hemi Gold Project 6.8Moz Au DeGrey Mining 7650000mN YANEEYARIA RESERVE 700000mE Port Hedland Wingina Well Wodgina Lithium Mine Mineral Resources Mt York 0.87Moz Au Kairos Minerals N 50 km * Earning up to 80% in FAU Talga tenements Octava Minerals Limited 7 PILBARA DOM's Hill Lithium Project Kalamazoo / SQM Pilgangoora Lithium Mine Pilbara Minerals Archer Lithium Deposit (Global Lithium GL1.ASX) 800000mE OCTAVA MINERALS LIMITED Talga Project Spinifex Ridge DSO FeO Coppin Gap Co-Mo 10.5Mt @ 1.0% Li₂O Bamboo Creek Gold Project Marble Bar Pinnacle Well Warrawoona Gold Project 1.5Moz Au Calidus Resources Prioritise mapping & sampling of pegmatite targets INVESTOR PRESENTATION - August 2022#8* EAST PILBARA PROJECT (TALGA) Proven gold discovery region Talga* Gold Project covers one of the most prospective and mineralised greenstone / granite terranes in the Pilbara. 40km south is the Calidus Resources (ASX:CAI) Warrawoona gold mine (1.5Moz), which recently achieved its first gold pour. 15km west of the Bamboo Creek gold mine with reported total production being -779,350t @ 8.15g/t Au. Both these deposits are sandwiched between granite intrusions to the north and south, in a similar structural setting to the Talga project. <10km west is the Global Lithium (ASX:GL1) Twin Veins prospect, where recent drilling included 12m @ 2.95g/t from 37m. Previous exploration has encountered widespread gold and base metal anomalism, identifying 2 priority prospects: Razorback and Cord. Earning up to 80% in FAU Talga tenements Octava Minerals Limited 8 N 800000mE E45/5815 Talga (Chrome) E45/3679 E45/4137 E45/3857 New Prospect (Cu-Ni-PGE) OCTAVA MINERALS LIMITED 820000mE Spinifex Ridge Coppin Gap Eginbah Cord (Base Metals) (Base Metals) E45/3679 E45/5022 E45/5596 Razorback (Gold) E45/4137 E45/5595 Twin Veins Prospect E45/3679 о E45/5571 Archer Lithium Deposit (Global Lithium GL1.ASX) 10.5Mt @ 1.0% Li₂O 10km Talga Talga Pinnacle Well (Li) Garden Creek (Alluvial Tin) Talga Tenure O Mineral Occurrence (Mindex) Muccan Granitoid Mount Edgar Batholith Internal and late-stage Granites Apex Basalt Mount Ada Basalt Gap Intrusion Duffer Formation Dolerite North Star Basalt Moolyella Monzagranite Drill ready targets INVESTOR PRESENTATION - August 2022#9EAST PILBARA PROJECT (TALGA) Proven gold discovery region Razorback Drilling at Razorback has intersected gold mineralisation, including: 16m @ 1.99 g/t from 0m 8m @ 1.57g/t from 50m 9m @ 1.12g/t from 62m Razorback has only been tested over about 700m of 4km strike. Recent IP survey has identified a total of 11 gold targets, including 6 high priority targets. Cord Previous explorers encountered anomalous massive sulphide horizons, occurring over 14km of strike and only small section has been drill tested. Significant intersections include: 16m @ 158ppb Au, 5g/t Ag, 3212ppm Cu, 50ppm Pb, 101ppm Zn from 19m 10m@86ppb Au, 6g/t Ag, 6099ppm Cu, 23ppm Pb, 57ppm Zn from 26m 807 000mE 808 000mE 809 000mE 810 000mE RT11 RT10 RT9 RT4 RT3 DH Max Assays - Au ppm RT3 5.0 to 12 1.0 to 5.0 0.2 to 1.0 <0.2 Broad/deep resistive anomaly Shallow resistive anomaly Drainage resistive anomaly Broad/deep chargeability anomaly Shallow chargeability anomaly Gold target 1km Section 808,780mE 4km RT1 RT6 RT5 OCTAVA MINERALS LIMITED RT8 RT7 7 681 000mN Razorback Gold Prospect Historic maximum downhole drill intercepts with IP changeability and resistivity anomalies RC Drilling of Razorback to commence as a priority 7 680 000mN Octava Minerals Limited 9 INVESTOR PRESENTATION - August 2022#10OCTAVA MINERALS LIMITED Immediately along strike from the Panton PGM-Ni Resource EAST KIMBERLEY PROJECT A proven Ni/PGM resource region The Kimberley project comprises two granted tenements, Panton North project and Copernicus North project located in the Halls Creek Orogen, a Tier 1 nickel sulphide - PGM province. Both projects have recorded strong nickel, copper & PGM geochemistry. Panton North is located north of the Panton PGM-Ni Resource (2.0Moz Pt + Pd) held by Future Metals (ASX:FME) and covers extensions of this same stratigraphy. The Panton West prospect area exhibits strong soil and rock chip geochemistry: 807ppb Pd, 154ppb Pt, 2,220ppm Ni and 824ppm Cu) and has not previously been drill tested. The Copernicus North tenure is located along strike from the former Copernicus nickel mine and contains a strong nickel and copper geochemical anomaly. 8040000mN 8037500mN Highway Prospect Ni-PGM E80/5455 Panton West Prospect 1km 375000mE PGM Mineralisation Octava Minerals Limited 10 Panton North Prospect обовое 0000000000000000000 Peak Rock 1.55g/t Pd 1.35g/t Pt www. Peak Soil Sample 807ppb Pd 154ppb Pt 2,220ppm Ni 824ppm Cu 000000 0000000000000000 00000000000000000 380000mE 50000000000000 100000000000000 000000000 Target Historic Soil Sample Site Historic Drillhole (DMIRS) Panton Sill Soil Palladium ppb Geology ★ >100 25 to 100 10 to 25 1 to 10 -20 to 1 Mafic Cover Mafic-Ultramfic Intrusion Tickalara Metamorphics INVESTOR PRESENTATION - August 2022#11YALLALONG PROJECT Western Yilgarn - A new Ni-Cu PGM exploration opportunity - The Yallalong project is located ~ 220km to the northeast of the port town of Geraldton with an exploration area of ~ 63km². 2 Prospective for gold associated with structures related to the Darling Fault and Ni-Cu-PGM mineralisation related to mafic - ultramafic intrusions. Project has a similar setting to the Proterozoic craton edge Ni-Cu-PGM mineralisation, such as the Chalice Julimar (ASX:CHN) discovery. The mafic intrusions within the project area have not been explored in any detail but have returned elevated Ni-Cu and PGM geochemistry. 6800000mN 7000000mN OCTAVA MINERALS LIMITED 200000mE 400000mE Caesar Nickel Project Venture Minerals Yallalong Project E70/5051 600000mE * West Murchison Project Geraldton Sample No. Nickel Copper (ppm) (ppm) Yallalong Selected Rock Chip Assay Results (PGM & Base Metals) Palladium (ppb) Cobalt Platinum NW0000099 (ppm) (ppb) YA85 1,150 150 2,850 10 72 Nickel Occurrence Yallalong Project DarlingFault YA97 650 250 320 11 4 Chalice Tenure Perth Julimar Project - Chalice S2 Tenure B3 650 250 920 119 47 Octava Minerals Limited 11 Barrabarra Project * Mt Magnet Julimar Project 50 km INVESTOR PRESENTATION - August 2022#126965000mN YALLALONG PROJECT Western Yilgarn - A new Ni-Cu PGM exploration opportunity The Discovery Prospect gold mineralisation is associated with very high antimony (Sb). Geological setting has similarities to other Au-Sb lode systems, such as South Africa, Russia and Fosterville in Australia. Rock chip sampling assayed 60.1% antimony (Sb) and 0.28% lead, 0.14% copper and 31ppb gold. Exploration is at an early stage, with encouraging results so far. Commence Geochemical and Geophysical sampling to define drill targets 7000000mN 6980000mN 340000mE Phanerozoic Perth Basin Darling Fault Mineral Occurrence (MINDEX Database) Mafic Intrusion Nulling Fm 360000mE Caesar Nickel Sulphide (Venture Minerals) Yallalong Basin Badgeradda Group Yallalong Project E70/5051 Yilgarn Block (Narryer Terrane) Octava Minerals Limited 1km 12 6975000mN 6970000mN 340000mE 345000mE OCTAVA MINERALS LIMITED ◆ Prospect Yallalong Project Geochemical Anomaly T4 (PGE-Ni-Cu) Rock YA217 60ppb Pt 22ppb Pd E70/5051 Drill Collar All Samples, Platinum PPB ° 50 to 10,000 10 to 50 5 to 10 2 to 5 . 1 to 2 -20 to 1 North Prospect (Au-Sb) Rock YA 565 68ppb Au 5,140ppm Sb T1 (PGE-Ni-Cu) Rock YA85 2,580ppm Co 1,150ppm Ni Central Prospect (Au-Sb) Soil Samping to: 535ppm Sb T2 (PGE-Ni-Cu) Rock B1 108ppb Pt 48ppb Pd Antimony Discovery Prospect (Au-Sb) up to 0.67g/t Au 13.6% Sb in drilling T3 (PGE-Ni-Cu) Rock B3 119ppb Pt 47ppb Pd Image is Airborne Magnetics RTP TMI 1km INVESTOR PRESENTATION - August 2022#13OFFER SUMMARY OCTAVA MINERALS LIMITED Equity Offer Octava Minerals is seeking to raise a minimum of $5 million with oversubscriptions of up to $1m via an IPO by issuing 25m to 30m new shares IPO Price - $0.20 per new share Vendor Offer Up to 5,250,000 ordinary shares (to be escrowed) as consideration for the acquisition of projects Lead Manager - Bell Potter Securities Limited Investor Relations - Boston Road Capital Total Shares on issue Pre Offer Min. Max. $5.0m Subscription: Subscription: $6.0m 10,895,681 10,895,681 Shares to be issues under vendor offer 5,250,000 5,250,000 Shares to be issued under Public offer (20c) 25,000,000 30,000,000 Total Shares on Issue Post IPO 41,145,681 46,145,681 Total Options on Issue Post IPO 6,131,267 6,131,267 Total Performance Rights 3,250,000 3,250,000 Post IPO Market Capitalisation (Undiluted) $ 8,229,136 $ 9,229,136 Enterprise Value (EV) ~$3.2m ~$3.2m Octava Minerals Limited 13 INVESTOR PRESENTATION - August 2022#14CAPITAL STRUCTURE Min. Max. Subscription: Subscription: $5.0m $6.0m 41,145,681 46,145,681 Founders, Directors and existing shareholders 23.6% Maximum total Shares at Listing Market capitalisation at the Equity Offer Price $ 8,229,136 $ 9,229,136 Use of funds Year 1 & 2 Min. Subscription: $5.0m Max. Subscription: $6.0m Exploration Expenditure 2,600,000 3,470,000 Vendors 11.4% General Administration 1,917,000 1,920,000 Vendor Payments 190,000 190,000 Expenses of the Offer 464,000 530,000 Octava Minerals Limited Capital structure at the $6.0m max. subscription OCTAVA MINERALS LIMITED IPO investors 65.0% 14 INVESTOR PRESENTATION - August 2022#15INVESTMENT SUMMARY OCTAVA MINERALS LIMITED Octava Minerals Ltd has assembled a strategic holding of tenements located in proximity to significant discoveries in Tier 1 Exploration regions. These holdings have potential for gold and green energy minerals, such as lithium, nickel and PGM's that have strong market fundamentals. All projects have returned either significant drill intersections or highly anomalous sampling results that require follow up work. Drill ready targets at Talga. ... NEWS Aggressive exploration will lead to strong news flow. Octava Minerals Limited 15 INVESTOR PRESENTATION - August 2022#16OCTAVA MINERALS LTD BEVAN WAKELAM CEO & MD