Mine History, Recent Highlights and Future Steps

• Next Steps 2021/2022 Feasibility

  • Additional drilling: exploration and infill
  • Detailed LOM plans
  • Mine design and rehabilitation plans
  • Determine mine development strategies
  • Detailed sequential mill rehabilitation cost
  • HR training strategy
  • Concurrent permitting process
  • Complete First Nations IBA
  • Updated closure cost

  2021

• NEXT STEP: 2020 drilling & PEA

  Funding required: $7M to $11M
  30,000 m to 40,000 m drill program

  • Expand resources at Corner Bay (20,000 m) and Cedar Bay (7,200 m) via controlled step-out drilling. Repeat success of the first drilling campaign.
  • Evaluate drilling of current deposits along structure and at depth.
  • 7,000 m exploration. Lac Doré area MegaTEM Geophysics follow-up and drill priority targets.
  • Follow-up on regional structural concepts in Chibougamau area.

  PEA

  • Start with Corner Bay and Cedar Bay.
  • Evaluate incorporation of Copper Rand and Devlin during LOM.
  • Determine mill refurbishment cost and permitting requirements.

  Environmental baseline studies for Corner Bay, Cedar Bay

  2019-2020

• Doré Copper acquires 100% of CBAY

  • $5.02 million financing completed.
  • RTO completed and listing on the TSXV as Doré Copper Mining Corp. DCMC.V.

  2019

• 43-101 report for Corner Bay and Cedar Bay issued

  2018

• Option agreement

  • Doré Copper Mining signs option agreement for CBAY Minerals.

  2017

• CBAY Minerals formed

  • Owned 50-50 by Ocean Partners and Nuinsco.

  2011

• operations stop

  • Campbell Resources stops operations and enters CCAA during financial crisis.

  2008-2009

• MSV Resources and Campbell Mines merge

  2001

• Quebec assets sold to MSV Resources

  • Westminer (Western Mining, now BHP) sells Quebec assets to MSV Resources.

  1993

• Westminer (Western Mining, now BHP) acquires Northgate Mines

  1988

• DISCOVERY

  • Rio Algom Inc. discovers the main vein Corner Bay deposit.

  1982

• Patino Mines acquired by Northgate Mines

  1981

• Devlin Deposit discovered by RioCanex

  1974

• Cedar Bay starts as CamChib (Campbell) Mines Ore to principal mill

  1960

• Copper Rand mill commences as Patino Mining Copper Rand and Portage ore

  1959

• Town of Chibougamau established

  1952

• First modern identification of Cedar Bay mineralization

  1928

• First modern identification of Copper Rand mineralization

  1906

• First modern identification of mineralization at Pointe Copper (Portage Mine)

  1901