Chemical Engineering Technologist with 20 years of industrial experience in the Mineral Processing, Pulp & Paper and Research R&D sectors. Specific areas of expertise include: •Safety management Systems •Team Development •Commissioning and Startup •HR Management •Cost Control •Plant Availability and Optimization Continuous Improvement •Investigative Techniques and Root Cause Analysis •Quality Control •Environmental Stewardship Specialties: Base metal mineral processing operations including Crushing, Milling (SAG, Rod Mill, Ball Mill, Regrind Mills), Froth Flotation, Thickening (Conventional and High Rate), Clarification, Pressure Filtration, Classification, Gravity Separation, Leach/CIP Mineral Processing experience in Copper, Lead, Zinc, Nickel, Silver and Gold Pulp Mill Operations including Kamyr Continuous and Batch digesters, Brown Stock Screening and Washing, Bleaching (Ozone, Do, Dn, D2), Oxygen Delignification, Pulp Machines Kaizen facilitation and implementation of Continuous Improvement process.

Process Plant Superintendent @ From May 2014 to Present (1 year 8 months) Mill General Foreman/Superintendent @ From December 2012 to May 2014 (1 year 6 months) Mill Metallurgist @ From September 2012 to December 2012 (4 months) Metallurgical Process Technologist @ From January 2012 to September 2012 (9 months) Yukon, CanadaProduction Shift Supervisor @ From April 2006 to September 2009 (3 years 6 months) Production Shift Supervisor @ From January 2001 to April 2006 (5 years 4 months) Process Development Technologist and Mill Process Operator @ From February 1996 to January 2001 (5 years) Research and Development Technologist @ From June 1992 to February 1996 (3 years 9 months)

Technologist, Chemical Engineering Technology @ Cambrian College From 1988 to 1992 Derrick Colquhoun is skilled in: Minerals, Metallurgy, Mineral Processing, Commissioning, Continuous Improvement, Gold, Safety Management Systems, Root Cause Analysis, Factory, Milling, Process Optimization, Planned Preventative Maintenance, Mining, Pumps, Maintenance Management