Gibb River Diamonds Limited · ASX:GIB

Gibb River Diamonds — RIU Explorers Conference 2020

27 slides from Gibb River Diamonds's conference presentation, Feb 11, 2020

  1. Slide 1: Ellendale 2020

    GIBB RIVER DIAMONDS Ellendale 2020 Western Australia Investor Presentation RIU Explorers, Fremantle February 2020 ASX Code: GIB

  2. Slide 2: Ellendale Diamond Project

    Ellendale Diamond Project Kimberley, Western Australia batiyo (Ellendale) | * \ Port Hedland, Northern q Territory | \ acta Queensland =) WWESteTiig L SAUStralicyes | \ », South Brisbane Geraldtome ‘Australia ia Kalgoorlie ae New South WelPer th) ae | Wales Me Sydney eis. \Canberrae w “Victoria “+,

  3. Slide 3: GIB 100%: Ellendale Diamond Mine

    GIB 100%: Ellendale 9 Diamond Mine

  4. Slide 4: Executive Chairman

    Executive Chairman Non-Executive Non-Executive Director & Company Director Secretary Mark Thompson Grant Mooney 4

  5. Slide 5: Ellendale Mining Operations

    • • • • • • • • • Ellendale 9 Mining Operations 5

  6. Slide 6: Ellendale Project Area map

    680 000mE Northern Territory South Australia | Western Australia LEGEND [] Gibb River Diamonds Ellendale Project Area [-] Mining Tenements vl> Target Areas = Open Pit Diamond Mine Alluvials: Blina, Terrace 5, E9 & A Channel Ellendale Lamproites ~~] Section 19 Reserve 1 MGA Zone 51 700 000mE 8 060 00

  7. Slide 7: Ellendale diamond prices (Blina Prospect)

    Ellendale diamond prices (Blina Prospect) of EQ sourced diamonds at Blina * US$389 per carat valuation of a parcel of 1,497 carats of diamonds from the Blina Alluvial Prospect * Diamonds hard rock source was primarily the Ellendale 9 lamproite This is the most recent valuation (2017) of diamonds fro

  8. Slide 8: Ellendale 4 & 9 Mines

    Hard rock potential & existing stockpiles Early restart opportunities Evaluation Work Required * E489: underground and/or cut backs to access existing mineralisation below pits, especially at EQ east * E9 Lights: large areas of lights (float discards from the DMS cyclone, untreated through the Sorte

  9. Slide 9: Ellendale 4: Multiple diamondiferous stockpiles

    Ellendale 4: Multiple diamondiferous stockpiles Weathering & processing, Satellite Pipe Cunmined) = = Ss Ss = + = Ellendale 4 *satellite Hk Pipe Grizzly, Oversize Area to be flown by Lidar survey for volumes of material on ROM pad Grade estimates to be made using existing data Evaluation of developm

  10. Slide 10: E9 mine – source of the alluvial diamonds

    • • • E9 mine – source of the alluvial diamonds 10

  11. Slide 11: Ellendale yellow diamond targets

    Ellendale 9 yellow diamond targets Hard rock, alluvials and lights Corocess floats) LEGEND GIB Tenements @P Alluvials Mined Alluvials _1 Section 19 Reserve Oblique View - Not to Scale Lights Dump (floats)

  12. Slide 12: Diamonds from E9 East alluvials

    1 cm Diamonds from E9 East alluvials. High proportion of large stones and Fancy Yellows. Largest stone is 9.06 carat Yellow gem (photo: JB Ward) 12

  13. Slide 13: E9 West Channel

    ES West Channel Trial mining target Mining at the EQ West alluvial Channel was suspended when KDC went into administration on 1 July 2015, leaving broad areas of high sampled grades (up to 41.6 carats per hundred cubic metres (cehms)) still unmined and extensive areas untested 8.058 400mN BLBS252G 5

  14. Slide 14: Blina

    Blina Alluvials Bulk Testing/Trial Mining Target * Fully permitted to mine - ‘Shovel Ready’ * Previous production of 1,421 carats * GPR defined T 8063 000mN T A 500m MGA Zone 51 BS7: 106m’, 1.7cphm* 683 000mE Gravel Target Area A T1 nai TS Ta’ BLBS69: 72m’, 6.4cphm’ BS8; 167m’, 0.3cphm’ BS6: 112m’,

  15. Slide 15: How potholes concentrate diamonds

    How potholes concentrate diamonds Jim Richards, mining Auchas Diamond Mine, Namibia: diamonds from potholes in Pothole sequence Guyana, 1991 15

  16. Slide 16: The Target: High grade diamond trap sites

    The Target: High grade diamond trap sites (Image of Cuango River diamond rush, Angola 1992) CUAN; GO kivieg Lower:Grade Terrace LowerGrade Terrace

  17. Slide 17: Latest Ground Penetrating Radar (GPR)

    Latest Ground Penetrating Radar (GPR) The best way to target trap sites 2002 Recent Old GPR New GPR Technology: Technology: [a Previous GIB Survey a Blina Survey

  18. Slide 18: Latest GPR technology has found hundreds of new high grade targets at Blina

    Latest GPR technology has found hundreds pL N of new high grade targets at Blina. WV INTERPRETED GEOLOGY 10m | . GEOLOGY LEGEND Recent[[77]} Pindan Sand: windblown sand and clay Example: Target 3 ennaerue son = Seren seb atiige| (cphm’ = carats per hundred metres’) —— Basal Contact: interpreted 18x

  19. Slide 19: Blina Project

    Blina Project New GPR bonanza grade targets (red dots) in diamond bearing channels - to be tested Ellendale 9 GPR work to be conducted at E9 North alluvials LEGEND Proposed Bulk Sample Site Granted Tenement GIB Trench Access Track Sand Dune GPR Surface Trace Pastoral Bore Zone Carats per hundred cub

  20. Slide 20: Bedrock trap-sites

    include excellent bedrock trap-sites 20

  21. Slide 21: Blina & alluvial diamond mining

    Blina & alluvial diamond mining Shallow, simple & low cost

  22. Slide 22: Blina alluvial mining is free-dig, shallow, simple & low-cost

    Blina alluvial mining is free-dig, shallow, simple & low-cost And the Project is fully permitted - ‘Shovel ready’ Targets Phase 1: Phase 2: gravels only Commission plant Trial mining of 0.3 to 6 & commence bulk — best grades metres deep een one Blina Diamonds NL mining alluvials in 2007 22

  23. Slide 23: Sortex Machine

    twin Sortex screen Machine unit 23

  24. Slide 24: 2020 timeline to bulk sample and trial mining

    With a 2020 timeline to our goals of bulk sample diamond recovery and Trial Mining Month 2020 Mar-April Apr-June June/Jul/Aug Sept onwards Activity Raise capital Build Camp, waterbore, sheet roads, construct Tailings Storage Facility, siteworks, ROM pad Construct and commission Plant, recover diamon

  25. Slide 25: We need working capital to commence diamond recovery operations

    We need working capital to commence diamond recovery operations $2.5 million to commission plant & conduct four CAPEX OPEX Total months bulk sampling diamond recovery work on 100 samples at Blina This can be raised as equity in shares, project equity or debt A$ 1,000,000 A$ 1,500,000 A$ 2.5 million

  26. Slide 26: Disclaimer

    Disclaimer PLN This presentation is an overview of the Company prepared with good intention. It is not a prospectus and offers no securities for subscription or sale in any jurisdiction, nor a securities recommendation. All information necessary for investment decisions is not contained herein and i

  27. Slide 27: Contact us for more on Ellendale 2020

    GIBB RIVER DIAMONDS Contact us for more on... Ellendale 2020 Jim Richards Executive Chairman T +618 9422 9500 E info@gibbriverdiamonds.com 16 Ord Street, West Perth, WA 6005 gibbriverdiamonds.com ASX Code: GIB

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