Resumé KEN DEVOS Golder Associates Ltd. – Mississauga Education Principal / Senior Hydrogeochemist M.Sc. Applied Earth Sciences Hydrogeology Recognized companywide technical resource with 25 years of experience in the and Environmental field of mining geochemistry, mine water quality evaluation and hydrogeology. Geochemistry, University of Develops and manages large interdisciplinary teams to deliver mining related Waterloo, Ontario, 1995 environmental assessments, closure plans, feasibility studies, permitting and construction projects. Participates in project and panel reviews, public B.Sc. Applied Earth Sciences Geophysics, communication, consultation, and hearings for permitting of mining projects. University of Waterloo, Responsible for overall HSSE of large project teams, including construction Ontario, 1992 aspects, regulatory aspects, project risk evaluation and reporting. KEY RECENT PROJECT EXPERIENCE Baffinland Iron Mines Evaluate and respond to regulatory inquiries related to ongoing operations at 2017 - present Baffinland Iron Mines site on central Baffin Island. Baffin Island, Iqaluit Project Director and Geochemist responsible for updating the site waste rock management plan, considering geochemical and thermal implications, considering key risks and potential release mechanisms for solid and liquid waste on site and influence of permafrost on geochemical conditions. De Beers Canada - Senior Geochemist responsible for conducting, organizing, and/or reviewing Snap Lake Mine annual ARD/ML inspections and preparation and review of annual reports (Nov 1999 – Present) regarding ARD/ML required under the Type A water licence every year between Northwest Territories 2002 and 2016. Have been involved in all geochemical aspects of the project since 1999, including providing expert witness testimony on system modelling, source term assignment, underground and surface water quality and geochemical topics. Provide senior technical advice to engineering closure team on water quality and construction related requirements to prevent ARD/ML on site. Prepared chapters of Environmental Impact Statement for regulatory approval. Developed Water Licence Application / permit applications for aspects related to water quality and geochemistry; Evaluated influence of permafrost on mine water inflow quality, and on surface water and waste water release and quality. Participated in technical sessions and hearings, providing expert witness testimony on geochemistry, mine water quality, and site water quality aspects of the project at the MVEIRB public hearings; Water Board Hearings, and water licence renewal hearings. Provided and presented technical information in public information sessions and responded to inquiries and information requests related to geochemistry, mine water quality, and site water quality modelling aspects of the project. 1 Resumé KEN DEVOS PWGSC – Faro Mine – Primary Consultant responsible for updating the site adaptive management (2017 - present) framework and plan, considering all key risks and potential release mechanisms Yukon Territory for solid and liquid waste on site including, physical, groundwater seepage and migration, treatment effectiveness, and downstream impact. Facilitate workshop involving multiple project stakeholders, evaluating possible project risk factors to develop a summary of key events requiring an adaptive management strategy. Based on the workshop outcome develop event based thresholds, triggers and mitigation strategies. De Beers Canada - Principal Consultant - Senior Water Quality Specialist and Geochemist Gaucho Kué (May 2009 responsible for overall supervision and integration between information collected - 2015) prior to 2008 and the additional geochemical baseline assessment components. Northwest Territories This included supplemental characterization of processed kimberlite, mine rock, ore pads and construction material for acid generation potential, long and short term leachate potential, and source term water quality from these material through static and kinetic testing. Also included were: preparation of water quality and geochemistry baseline reports; preparation and review of site water quality model including accounting for permafrost and deep groundwater upwelling; preparation of chapters and appendices of EIS for regulatory approval. Development of monitoring program for ARD and geochemistry evaluation. Evaluated potential environmental risks and worked with engineering team to develop risk mitigation measures and strategies for mine waste disposal. Participated in technical sessions and hearings, providing expert witness testimony on geochemistry, mine water quality, and site water quality aspects of the project at public hearings and Water Board hearings. Provided and presented technical information in public information sessions and responded to inquiries and information requests related to geochemistry, mine water quality, and site water quality modelling aspects of the project. Diavik Diamond Mines Senior Geochemist, responsible for development of geochemical testing and water (2006-2009) quality estimates in support of feasibility evaluation of A419 pit. Includes Northwest Territories geochemical assessment of A419 waste rock and paste backfill materials 2 Resumé KEN DEVOS Fortune Minerals NICO Project Director and program manager – build appropriate engineering team and Project – Engineering supervise deliverables and project/program aspects related to: developing and and Environment conducting engineering trade off studies for site development, providing (2005 - Present) engineering support services for mine waste management; integrating Northwest Territories engineering and ESIA components of the project. Senior Water Quality Specialist and Geochemist responsible for: senior review of geochemical testing and water quality baseline data collection in support of ESIA and feasibility evaluation. Includes geochemical assessment of waste rock, tailings, plant materials, prediction of mine water quality, prediction of site discharge water quality, risk evaluation, development and evaluation of mitigation strategies and prediction of downstream water quality. Provided expert witness testimony for Environmental Assessment and Water licence hearings. Participated in community information sessions in Yellowknife and nearby First Nations communities. Supported development of water licence applications and presented at water licence hearings. Developed and reviewed monitoring programs. Services performed in Canada’s North. Kupol – DSTSF Project Director – Lead team in development of integrated mine waste Expansion Project engineering studies Environmental Impact Statement for translation and (April 2014 – ultimately regulatory approval. Senior director and manager responsible for Prese2017) (Kinross integration of environment and engineering teams with owners representatives to Gold) – determine feasibility and effectiveness of updated mine waste plan to expand life Chukotka, Russia of mine while maintaining closure and environmental objectives; preparation of ESIA documents for changed conditions using international standards and local Russian standards. Project site is located in Chukotka Autonomous Okrug in Far North Eastern Russia, above the Arctic Circle. Harsh climatic conditions and permafrost was included in all assessments. Water quality predictions, engineering aspects and treatment requirements were evaluated under changing site conditions, including influence of permafrost on ARD formation and water quality. Water quality source terms and site water quality estimates were develop based on geochemical assessment of waste rock, tailings, plant materials, engineering design, prediction of mine water quality and prediction of mine water quantity 3 Resumé KEN DEVOS Hammond Reef (May Principal Consultant / Project Director – Develop and lead an integrated 2010 - Present) engineering and environment team for development of a complete Environmental (Osisko / Canadian Impact Statement for regulatory approval and all aspects of environmental Malartic) – development/permitting on the project including: Development of water license Northwestern Ontario applications and permit approvals; Development of Fisheries Act Authorization applications and compensation plans; Conducting water quality modelling and supervising air quality and noise modelling; conducting a cumulative effects assessment for a $500m plus project value; develop risk register and mitigation strategies, develop for approval and environmental monitoring program; responding to government information requests from expert reviewers and stakeholders; participation and leading of technical review sessions with government and public stakeholders. In addition to overall project management and team coordination/ review, was responsible for specific technical aspects related to water quality, geochemistry and hydrogeology including site-wide water quality predictions and impact assessment. Water quality source terms were develop based on a comprehensive geochemical assessment of waste rock, tailings, plant materials, prediction of mine water quality, prediction of mine water quantity, prediction of site water quality. Provided expert support for permitting. Lead engineering team contributions for project feasibility study related to waste and environmental evaluation, including closure aspects and costs. PROFESSIONAL AFFILIATIONS Member, The Association of Professional Engineers, Geologists, and Geophysicists of