Mmg Ltd. · HKEX:1208

Mmg — Corporate Update (February 2023)

40 slides from Mmg's corporate update, February 2023

  1. Slide 1: Rosebery Mine Community Update

    Rosebery Mine Community Update February 2023

  2. Slide 2: Welcome and mine overview

    Welcome and mine overview STEVE SCOTT Rosebery Mine General Manager 2

  3. Slide 3: Acknowledgment of Country

    Acknowledgment of Country We acknowledge the Traditional Owners of the land where this meeting is taking place, and recognise Aboriginal people's continuing connection to Land, Sea, Waterways, Sky and Culture. We pay our respects to Elders, past and present, and acknowledge any Aboriginal people who

  4. Slide 4: Housekeeping

    Housekeeping • Emergency exits • Bathrooms • Refreshments • Opportunity for questions • Open to questions at the end of the presentation • Question sheet on your table • Respectful behaviour • Mobile phones – silent or turn off 4

  5. Slide 5: Disclaimer

    Disclaimer The information contained in this presentation is intended solely for your personal reference and may not be reproduced, redistributed or passed on, directly or indirectly, to any other person (whether within or outside your organisation/firm) or published, in whole or in part, for any pu

  6. Slide 6: Community update agenda

    Community update agenda • Mine overview and exploration program • Tailings – what they are, and how they are stored safely • Project assessment & approval process • Planning for the future • Questions 6

  7. Slide 7: Mine overview

    Mine overview • The Rosebery Mine is now in its 87th year of production and is one of the oldest continually operating mines in Australia. • We employ over 500 employees and contractors and support a network of suppliers and customers from across Tasmania. Our economic contribution not just within o

  8. Slide 8: Why is it important to mine our minerals?

    Why is it important to mine our minerals? • Zinc, lead and copper are crucial in the clean energy transition, and contribute to the global goal of net zero emissions by 2050. • How? The minerals we mine are used to produce technologies and products that support a low carbon emissions footprint. • Th

  9. Slide 9: What we mine - Rosebery ore body deposit

    What we mine - Rosebery ore body deposit

  10. Slide 10: What we mine - Rosebery ore body deposit

    What we mine - Rosebery ore body deposit Did you know… • The length of Mount Murchison is approximately the same size as the ore body we mine underground. That’s between 4-5 kilometres. • The height of Mount Murchison is 1,000 metres. Double that distance, and it’s the length we go below the surface

  11. Slide 11: Rosebery 2023 drilling program

    Rosebery 2023 drilling program • We are embarking on an accelerated drilling program over the next two years. • In 2023, we are dedicating $26M into the drilling program – that’s 80% of what the entire Tasmanian industry invested in minerals exploration in the 21/22 FY ($32M). • We aim to increase t

  12. Slide 12: Rosebery 2023 drilling program

    Rosebery 2023 drilling program

  13. Slide 13: Tailings and How They Are Stored Safely

    Tailings and How They Are Stored Safely PAMELA SOTO Manager Tailings & Water Australia STEPHEN NEWMAN Head of Tailings & Water 13

  14. Slide 14: What are tailings?

    What are tailings? • When ore is brought to the surface from Rosebery’s underground mine, it is put through a processing plant to remove as much of the valuable minerals as possible. • The residue from this process is predominantly crushed rock and water, with small quantities of trace elements and

  15. Slide 15: Our Tailings Storage Facilities: Bobadil TSF & 2/5 Dam TSF

    Our Tailings Storage Facilities: Bobadil TSF & 2/5 Dam TSF 15

  16. Slide 16: Who oversees stored tailings safety?

    Who oversees stored tailings safety? Accountable Executive – Reporting to the Board Head of Tailings Independent Tailings Executive Level Engineer of Review Board (ITRB) Records Manager of Internal Audits / Design Engineers Tailings – RTFE Reviews Surface Operations Manager of Manager Tailings Studi

  17. Slide 17: How Do We Make Sure Tailings are Stored Safely?

    How Do We Make Sure Tailings are Stored Safely? Global Industry Standard on Tailing Management (GISTM) Australian National Committee on Large Dams Global Disclosure Tasmanian Government MMG Independent Governance Reviews / Audits 17

  18. Slide 18: Existing Tailings Storage Update, Project Assessment and Approvals

    Existing Tailings Storage Update Project Assessment and Approvals ADAM PANDELIS Manager Environment, Community & Closure 18

  19. Slide 19: Existing TSF upgrades

    Existing TSF upgrades Bobadil 2/5 Dam • Investigative studies are • 2/5 stage is currently under currently underway for Bobadil construction target completion Stage 11. Mid – 2023. • Commencement of • Investigative studies have construction is planned for last commenced for 2/5 stage 3. Qtr. 2023. F

  20. Slide 20: 2/5 Dam TSF Dust Management

    2/5 Dam TSF Dust Management Focus on identifying conditions for dust pick up before they occur and implementing management controls Monitoring instruments include: Weather station → 8 dust monitors situated around the TSF → soil moisture sensors Management controls include: System of sprinklers Annu

  21. Slide 21: 2/5 Dam TSF

    2I5 Dam TSF sear AWA WE MINE FOR PROGRESS

  22. Slide 22: New Tailings Storage (TSF3) Options

    New Tailings Storage (TSF3) Options • Natone (TSF3) Creek Field Site Investigation work complete and results are being reviewed. • South Marionoak (TSF3) Remains our preferred location. Site work on hold. • Project studies have commenced to consider other site options for TSF3 and technologies such

  23. Slide 23: Environmental Approval process

    Environmental Approval process Environmental approvals for undertaking works on a mine site can be broadly broken into 4 groups: 1. Exploration or investigative works under the guidance of a Mining Lease. 2. Smaller developments (Level 1 Activities) e.g. minor construction projects. 3. Larger Develo

  24. Slide 24: Investigative Approvals process

    Investigative Approvals process Submit to MRT Works program Develop Mineral detailed approval issued Undertake investigative Resources Assessment to proponent Baseline (with Program Tasmania is conditions) (MRT) undertaken • Flora and fauna • Test pitting, • Assessments can take 4- 8 weeks • Approva

  25. Slide 25: Development Approvals process

    Development Approvals process Tas EPA EPA EPA makes Council EOI issued MMG Public issues accepts / recommendat makes to the Tas submits consultation guidance rejects ion to council decision EPA EIS for EIS EIS Public RFIs RFIs RFIs consultation Permit Council carries EPA prepares an application to o

  26. Slide 26: Planning for the future

    Planning for the future JON CROSBIE Head of Climate and Closure Planning 26

  27. Slide 27: What is required?

    What is required? • A mine Closure Plan is required for the Regulator. • This Plan is adapted throughout the life of the mine to reflect changes from ongoing studies. • This includes future planning for the mine, mill, support infrastructure, surrounding environment, and the assessment of social and

  28. Slide 28: TSF Closure

    TSF Closure Closure Regardless of the closure rehabilitation design, the objective is similar: “Safe, stable and non-polluting structure” If additional raises at 2/5 are approved, a ‘dry cover’ system will need to be utilised to close the facility. The currently approved cover system is however a ‘w

  29. Slide 29: Questions?

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  30. Slide 30: Stage 2

    Stage 2

  31. Slide 31: Stage 3 PFS design

    Stage 3 PFS design r Wy HE ete BAIC Williams a pu some

  32. Slide 32: “proress IMEIVIG

    MA “proress IMEIVIG

  33. Slide 33: 2/5 TSF during redevelopment in 2017

    2/5 TSF during redevelopment in 2017

  34. Slide 34: “proress IMEIVIG

    “proress IMEIVIG

  35. Slide 35: “proress IMEIVIG

    “proress IMEIVIG

  36. Slide 36: WE MINE FOR

    WE MINE FOR

  37. Slide 37: WE MINE FOR

    WE MINE FOR

  38. Slide 38: Slide 38

  39. Slide 39: “erouress EWEIVIG

    “erouress EWEIVIG

  40. Slide 40: Slide 40

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