Cobalt Blue Holdings Ltd. · ASX:COB

Cobalt Blue — Technical Presentation (June 2023)

17 slides from Cobalt Blue's technical presentation, Jun 27, 2023

  1. Slide 1: Precompetitive Geoscience: The Secret to Australia's Exploration Success

    Helen Degeling Precompetitive Geoscience The Secret to Australia’s Exploration Success

  2. Slide 2: Disclaimer

    Disclaimer This document may contain forward-looking statements. Such statements are not guarantees and involve known and unknown risks and other matters outside the control of Cobalt Blue Holdings Limited (“COB” or “the Company”). Actual values, results or events may be materially different to thos

  3. Slide 3: The Importance of Mineral Exploration

    The Importance of Mineral Exploration For every 500–1000 exploration projects, we will get ONE producing mine. Image credit: The Fraser Institute https://www.fraserinstitute.org/categories/mining ASX: COB 3

  4. Slide 4: Timeframe from greenfields to resource

    Timeframe from greenfields to resource Image credit: MineFacts.eu ASX: COB 4

  5. Slide 5: Precompetitive data creates opportunities

    Precompetitive data creates opportunities ASX: COB 5

  6. Slide 6: Mines and Mineral Deposits (MINEDEX) database

    nd Mineral Deposits (MINEDEX) ines, mineral deposits and prospects. Mines a Search for information on mit a | | Search all | Search for... Explore by dats type Spectral Seismic thor # Report + pict Geotorist sae Radionewic ° ry Mapestiection M i Magnetoteliris os e res ‘asniyscatiomst ——sraviy 7 Geo

  7. Slide 7: Gordon Extended exploration conclusions and recommendations

    explorers. have chemical jor fault. Previous to the major : vs ss A atures, With no comprehensive geo: southe! : Potential exists. for hidden and/or oorly exposed, P ase_metal mineralisation associated with the | seas n the adjacent -east cross cutting faults and ii conce approach undertaken_to_date

  8. Slide 8: Ethical and reliable cobalt for a more sustainable world

    Ethical and reliable cobalt for a more sustainable world ASX: COB 8

  9. Slide 9: Our aim: clean, responsible cobalt supply

    Our aim: clean, responsible cobalt supply Broken Hill Cobalt Project Targeted project life +20 years ▪ Mineral Resource of 118Mt* for 81,400t cobalt ▪ 3,500 tpa of cobalt (as MHP) ▪ 300,000 tpa of Elemental Sulphur Kwinana Cobalt-Nickel Refinery ▪ Cobalt Sulphate and Nickel Sulphate Waste Streams Pr

  10. Slide 10: Mine Waste: Size of the Problem

    Mine Waste: Size of the Problem Estimate of global annual tailings production by commodity ▪ 3.4 billion tonnes tailings produced annually from copper tailings in 2018. ▪ Copper by far the most ▪ Declining grades, increasing demand, mean the volume of tails per tonne Cu produced is going up. Source:

  11. Slide 11: Secondary Prospectivity Project

    Secondary Prospectivity Project Critical Minerals in Mine Waste Image credit: A. Parbhakar-Fox ▪ SMI-GSQ project lead by Assoc Prof Anita Parbhakar-Fox ▪ Examines mine waste sites across Queensland to identify economic accumulations of critical minerals to determine if mine waste is a viable resourc

  12. Slide 12: GSQ-UQ secondary prospectivity project

    GSQ-UQ secondary prospectivity project ASX: COB 12

  13. Slide 13: Cobalt in North West Queensland

    Cobalt in North West Queensland Average Cobalt – All sites Mean Co (ppm) Whole Rock (assay) 560–777 ppm 240–561 ppm 183–240 ppm 85–183 ppm <85 ppm Rocklands Co in NW Qld mine waste – endowed in IOCG, sediment-hosted and epigenetic Cu systems Osborne ASX: COB 13

  14. Slide 14: Osborne testwork

    Osborne testwork Osborne Tailings Facilities Two flowsheets tested: Tails → float → POX Tails → kiln → POX (COB Process) Float POX TOTAL recovery Cobalt 90% 46% 41.4% Copper 74% 98% 72.5% Kiln POX TOTAL recovery COBALT 99% 90% 89.1% COPPER 99% 90% 89.1% Further recovery of cobalt and copper required

  15. Slide 15: Cobalt Blue: Waste Streams Project

    Cobalt Blue: Waste Streams Project Project Aim ▪ To generate opportunities for re-mining of key battery metals from mine waste ▪ To work with existing operations to develop synergies for secondary metal extraction ▪ Turning ‘trash’ into ‘treasure’ ▪ Novel use of precompetitive data ASX: COB 15

  16. Slide 16: Flin Flon tailings project

    Flin Flon tailings project Google Earth Image, Flin Flon tailings facility ASX: COB 16

  17. Slide 17: Cobalt Blue

    Cobalt Blue www.cobaltblueholdings.com

Cobalt Blue Holdings — Technical Presentation (June 2023) on 6ix