Cale DuBois is a Mining Engineer with a M.A.Sc from the University of British Columbia. He has gained over 18 years of operational and technical experience in diverse mining environments including underground gold, coal, uranium, and polymetallic mining as well as large-scale open-cut oil sands and iron ore and in a wide range of management, supervisory, technical service operational roles. He has a strong background in rock mechanics with demonstrated competency in project management, technical supervision, mine planning and drill and blast engineering gained through experience in Canada and Australia. Cale is a proficient user in Vulcan, Deswik, Surpac for Mine Planning as well as numerous Rock Mechanics packages.

Highlights:• Championed 15% Improvement in Mine Development Rate• Managed Team of Seventy-five (75) Miners and four (4) Mine Development Supervisors

Highlights:- BPM/ Annual Budget planning reserve modelling, capital cost estimation- Supervision of Survey, Ventilation and Rock Mechanics Engineering Team- Management of Sustaining Capital projects (CRF Upgrade - $2Mil, 220 Dewatering Upgrade -$1M, 1080 Ventilation Doors - $250k)- AFE project management (595-620 Contingency Mining Project - $10Mil, Atlas Copco Cabletec aquisition, Sandvik Production Drill)

U/G blast design for production stopes and service holes, drill and blast contractor managment, explosives inventory management, drill and blast scheduling.

Stope and development planning. Capital project contractor management. Production and capital raise boring design and layouts.

Hiré Concept level study in the Ivory Coast, SCONI prefeasibility study in North Queensland. Mine optimisation, scheduling update and waste dump design/schedule for the Hillgrove Kanmantoo mine in South Adelaide. NMC BFS study including mine cost model and assisting with maintenance planning.

- Weekly drill and blast planning and scheduling- blast pattern designs- Weekly forecasting of blasting consumables- Creating blastmasters and drapes for pit RLs

• Project management for installation and commissioning of a $250,000 upgrade to the site microseismic system• Instrumentation planning and rehabilitation project support for underground process rooms• Supervision of underground mining contractors• Revision and development of geotechnical and dewatering work instructions and procedures• Underground excavation monitoring and rehabilitation planning• Mine and Emergency Rescue service and training

• Mine production planning and geotechnical studies for the 7-South mine permit application• Geotechnical and mining studies in support of mine permit amendment• Geotechnical optimization studies for operating mine• Geotechnical training of mine personnel• Mine ventilation planning and monitoring• Coordination and management of environmental sampling and reporting• Environment project management• Tailings Dam monitoring and construction management

• Underground geotechnical support for operations• Rehabilitation planning for stopes and development excavations• Instrumentation planning and monitoring• Mine planning support• Geotechnical core logging and reporting for projects

• Underground mine and ventilation surveying• Geotechnical mapping• Instrumentation and optimization studies• Geotechnical sampling and testing

• Underground mine surveying• Ore dilution from backfill studies

• Mine Truck Fleet Productivity Studies• Short Term Planning – Tailings Construction

• Mine Surveying• Tailings engineering studies