Clean TeQ Water Ltd · ASX:CNQ

Clean TeQ Water — ALTA 2022

13 slides from Clean TeQ Water's conference presentation, August 2022

1. Slide 1: Combining In Situ Recovery and Ion Exchange at the Kapunda Copper Project

   COMBINING IN SITU RECOVERY AND ION EXCHANGE AT THE KAPUNDA COPPER PROJECT

2. Slide 2: Clean TeQ Metal Recovery

   • • • • • • • CLEAN TEQ METAL RECOVERY

3. Slide 3: Kapunda is a near term copper/gold ISR project ready for DFS and mining lease

   Desktop review ✓ Interest ECL has earned 50% project interest and is earning to 75% Location 150 km north of Adelaide, South Australia Resource definition ✓ Infrastructure Poximity to power, water and workforce Lab Test work ✓ Resource JORC resource 102MT @ 0.23% Cu, signif. gold upside potential Ge

4. Slide 4: Conceptual Recovery Flowsheet

   CONCEPTUAL RECOVERY FLOWSHEET Sulfuric e(cLeantea Co SPER EES Acid PLS ——| Adsorption Solution Flow == Resin Flow “== Raffinate WALTA 2022 @ CLEAN TEQ METAL RECOVERY Loaded Resin Eluate (= CuSO, Solution) Elution dd. I | Eluate Quality ! , / Volume? aE i Return p--- Liquor ! Copper Metal or 1 Produc

5. Slide 5: Clean TeQ Metal Recovery

   • • • • • • CLEAN TEQ METAL RECOVERY

6. Slide 6: Clean TeQ Metal Recovery

   • • • • CLEAN TEQ METAL RECOVERY

7. Slide 7: Elution - Mini-Pilot

   ELUTION - MINI-PILOT ecteawres COPPERES * Counter-current movement of solution and J} Desorption mini-Pitot Column Column . _ oe ion exchange resin in U-shaped column = Leaded Resin Head Fs —— = jesorbed resin é i = ) ns * Further upgrade and purification of Cu |e 1 Al eu Mn zn Fe Recycle/waste <——j

8. Slide 8: Clean TeQ Metal Recovery

   • → • • → • → • • CLEAN TEQ METAL RECOVERY

9. Slide 9: Clean TeQ Metal Recovery

   • • • • CLEAN TEQ METAL RECOVERY

10. Slide 10: Commercial-Scale Flowsheet

    COMMERCIAL-SCALE FLOWSHEET Sulfuric Acid From Supply Dilute Solution e(cLeantea copes a Return to Leach PLS ~1000 mg/L Cu ———*|_ Adso 200 m3/h rption Loaded Resin Elution Barren Resin Solution Flow == Resin Flow “== WALTA 2022 @ ~1- 10 mg/L Cu CLEAN TEQ METAL RECOVERY Loaded Wash Wash Resin ~30+ g/L

11. Slide 11: Clean TeQ Metal Recovery

    • • • • • • CLEAN TEQ METAL RECOVERY

12. Slide 12: Clean TeQ Metal Recovery

    • – – • – – – • – – – CLEAN TEQ METAL RECOVERY

13. Slide 13: Clean TeQ Metal Recovery Contact

    CLEANTEQ METAL RECOVERY @ Jim Walt Process Manager - Metal Recovery M: +61 456 616 746 E: [email protected] =) Clean TeQ Water 12/21 Howleys Road Notting Hill, VIC 3168, Australia a) www.cleanteqwater.com WALTA 20228 20-27 May | Perth, Australia | Online

Clean TeQ Water — ALTA 2022 on 6ix