C U R R I C U L U M V I T A E

C U R R I C U L U M V I T A E Name Matti Hakala Personal Data Born 1963, Joensuu, Finland Business Matti Hakala - Rock Mechanics Consultant KMS Hakala Oy Stress Measurement Company Oy Kehonranta 40, 37120 Nokia, Finland matti.hakala@kolumbus.fi matti.hakala@smcoy.fi Education 1982-1997 studies in department of Civil Engineering University of Technology, Helsinki Languages Finnish, English ( Swedish, Germany ) Positions Held and Experience 2013 - Managing Director, Stress Measurement Company Oy 2003 - Rock Mechanics Consultant, KMS Hakala Oy 1997-2003 Managing Director, Gridpoint Finland Oy 1995-1996 Research Engineer, Helsinki University of Technology 1993 2001 Lectures in Rock Mechanics, Helsinki University of Technology 1987-1995 Consult, Saanio & Riekkola Consulting Engineers 1986 Field testing, Terraplan Oy

2 Main reference projects KMS Hakala Oy from 2003: Posiva Oy; - Rock mechanics consulting for year 2015 - Member of Olkiluoto Modelling Task Force 2015 Rock Mechanics - Rock mechanics consulting for year 2014 - Member of Olkiluoto Modelling Task Force 2014 Rock Mechanics - Rock mechanics consulting for year 2013 - Member of Olkiluoto Modelling Task Force 2013 Rock Mechanics Rock mechanics consulting for year 2012 - Member of Olkiluoto Modelling Task Force 2012 Rock Mechanics - Rock mechanics consulting for year 2011 - Member of Olkiluoto Modelling Task Force 2011 Rock Mechanics - Rock mechanics consulting for year 2010 - Member of Olkiluoto Modelling Task Force 2010 Rock Mechanics - Rock mechanics consulting for year 2009 - Member of Olkiluoto Modelling Task Force 2009 Rock Mechanics - Rock mechanics consulting for year 2008 - Member of Olkiluoto Modelling Task Force 2008 Rock Mechanics - Member of Olkiluoto Modelling Task Force 2007 Rock Mechanics - ONKALO chainage 1225 m, design and supervision of in situ stress measurements - A Methodology for Interpretation of Overcoring Stress Measurements in Anisotropic Rock - Member of Olkiluoto Modelling Task Force 2006 Rock Mechanics - Laboratory Study of Strength and Strain Ansiotropy of Olkiluoto Mica Gneiss - Quatity control of overcoring stress measurement, rock mechanics study - Member of Olkiluoto Modelling Task Force 2005 Rock Mechanics - Olkiluoto borehole KR24, supervision of in situ stress measurements - Member of Olkiluoto Modelling Task Force 2004 Rock Mechanics

3 Kalliosuunnittelu Oy Rockplan Ltd; - Laguna-LBNO observatory. Field investigations and rock mechanics study for feasibility study, 2014. - Länsimetro westward metro. Rock mechanics design and consulting for construction, 2011 - Länsimetro westward metro. Rock mechanics design and consulting for construction, 2010 - Länsimetro westward metro. Rock mechanics design and consulting for construction, 2009 - ONKALO access tunnel. Rock mechanics design and consulting for construction, 2009 - Keilaniemi Towers. Rock mechanics consulting for preliminary design. 2009 - LAGUNA, Centre for underground physics in Pyhäsalmi. Rock mechanics consulting for design study, 2009. - ONKALO access tunnel. Rock mechanics design and consulting for construction, 2008 - LENA, Centre for underground physics in Pyhäsalmi, Pre-Feasibility study - CitySpa, rock mechanics studies for construction design - City Center underground service facilities and car par, 3D rock mechanics study for construction design - Töölönlahti underground car park,rock mechanics consulting for preliminary design phase - Länsi Metro stations, rock mechanics studies for preliminary design phase - Forum Virium deep surface excavation for foundations. Rock mechanics study for preliminary design phase - CitySpa, rock mechanics studies for preliminary design phases - Hermanni underground car park, rock mechanics study for preliminary design - Lasipalatsi, rock mechanics study for preliminary design phase - Numerical simulation of Kamppi-Parkki shotcrete failure - Constructability study of HUS Meilahti underground facilities, rock mechanics study - Kakolan mäki waste water treatment plant, rock mechanics design - VuoMaali road and railway tunnels, rock mechanics simulations - of Simpsiö area, numerical simulation - City Center underground car park, rock mechanics study for preliminary design, phases 1,2, 3 and 4 Saanio & Riekkola Oy - Pisara-rata Helsinki city rail loop - rock mechanics desing for construction, 2014-2015. - KBS-3H Drift End Compartment Plug (DECP), Rock Mechanics Stability Analysis of the Drift Slot Area Scoping Study. Rock mechanics consulting, 2011. - P-Hämppi underground parking facility in Tampere. Rock mechanics consulting, 2010.

4-3D stress analyses for central area of Forsmark repository, 2010 - KBS3-H drift design, Spalling study for Forsmark, 2009. - P-Hämppi underground parking facility in Tampere. Rock mechanics consulting, 2009. - 3D rock meachanical simulation of designed underground facilities in Mannerheimintie, Kaivokatu, Mikonkatu, Esplanadi area. - Keskustan huoltoväylä Service tunnel in Helsinki City Pöyry Finland Oy; - Kylylahti Mine, rock mechanics consulting for development and stoping sequences, 2013-2014. - Kemi Mine, rock mechanics consulting for stoping sequences, 2012 WSP Finland Oy; - Geotechnical and thermal data interpretation and modelling for Nuclear Decomissioning Agency (NDA), UK. Rock mechanics consulting 2011 - Kemi Mine, rock mechanics consulting for stoping sequences, 2011 - Kemi Mine, 3D stability analysis of the sill pillar, 2010 - Lapland Cold Miners, Pahtavaara Mine, rock mechanics consultancy, 2010 - Kemi Mine, rock mechanics consulting for stoping sequences, 2009 - Kehärata rail road tunnel. Interpretation of HF-stress measurements - Mestarintunneli, Supervision of HF-stress measurements for road tunnel between Helsinki and Turku - Surpac-macro programming for solid expansion Resolution Copper Company; - Rock mechanics consulting 2012 Numerical Modeling for Characterization Level Pyhäsalmi Mine Oy; - Development of 3D rock mechanics model for stoping Phase 3, rock mechanics consultancy, 2012 - Development of 3D rock mechanics model for stoping Phase 2, rock mechanics consultancy, 2011 Development of 3D rock mechanics model for stoping, rock mechanics consultancy, 2010 - Short course on Examine3D rock mechanics simulation code Agnico-Eagle Finland, Kittilä Mine - Rock mechanics study for 350 main level, 2014. - Rock mechanics study of Kittilä Mine deep expansion, 2009. - Rock mechanics consultancy for planning of in situ stress measurements, 2008.

5 SITO Oy - HUS Meilahti underground facilities, 3D rock mechanics study for construction design, 2009. SKB AB; - Participation on project: Study of the core disking in the APSE-tunnel City of Helsinki, Real Estate Department, Geotechnical Division - Yhteiskäyttötunneli - Service tunnel in Helsinki City, numerical simulations - Katri Vala Park, Pumping station, numerical simulation Suomen Malmi Oy; - Zinkgruvan Mining AB, analyse of in situ stress measurements - Kakolan mäki waste water treatment plant, supervision of in situ stress measurements Outokumpu Technology Oy - Jumbo Cavern project, rock mechanics design

6 Stress Measurement Company Oy from 2013: Tampereen Vesi; - Uniaxial and indirect tension testing of rock samples. 2014-2015. WSP Sverige AB; - Uniaxial testing of rock samples. 2014. FQM Kevitsa Mining Oy; - Uniaxial and indirect tension testing of rock samples. 2014. Liikennevirasto; - Pisara, Helsinki City Rail Loop. KAT1, Uniaxial and indirect tension testing of rock samples. 2014. - Pisara, Helsinki City Rail Loop. KAT2 & KAT3, Uniaxial and indirect tension testing of rock samples. 2014. Oy Forcit Ab; - Uniaxial and indirect tension testing of rock samples. 2014. Suomen Malmi Oy; - Uniaxial and indirect tension testing of rock samples. 2014. Outokumpu Chrome Oy / Kemin kaivos; - TP3, Level 400, In Situ Stress Measurement with LVDT-cell in TP3. 2014. LKAB, Malmberget Mine; - Dennewitz Öde, Level 1056, In Situ Stress Measurement with LVDT-cell in BS225-niche. 2014. Kalliosuunnittelu Oy Rockplan Ltd; - Laguna Project, Laboratory Measurements of the Thermal Expansion Coefficient of Pyhäsalmi Main Rock Types. 2014 - Laguna Project, In Situ Stress Measurement with LVDT-cell in Pyhäsalmi Mine at 1430 Level. 2014 Saanio & Riekkola Oy; - VT 12 Rantatunneli, Rock mechanics study of tunnel entrance excavation under dynamic blast loading. 2013. Altona Mining LTD, Kylylahti Copper Oy; - In Situ Stress Measurement with LVDT-cell in WAL300P1 niche. 2013.

7 Gridpoint Finland Oy from 1996 to 2003: Kalliosuunnittelu Oy Rockplan Ltd; - ONKALO facilities for underground field testing in Olkiluoto - Leppävirta winter sport center, rock mechanics design - Centre for underground physics in Pyhäsalmi - Coal stock of Salmisaari, rock mechanics design. - Coal stock of Salmisaari, rock mechanics design for tender. - Kamppi terminal area, rock mechanics design for tender II. - Tapiola computer shelter, rock mechanics design. - Erottaja underground car park, rock mechanics study. - LKAB, Malmberget mine, Sweden, rock mechanics interpretation. - Viikinmäki waste water plant, 70% nitrogen removal, rock mechanics simulation for monitoring. - Viikinmäki waste water plant, 70% nitrogen removal, rock mechanics design. - Kamppi terminal area, rock mechanics design for tender I. - Hartwall Arena underground ice ring, rock mechanics design. - Kluuvi underground car parking facilities and defence shelter, rock mechanics design. - Helsinki University Central Hospital, underground parking facility, rock mechanics study. Posiva; - Quality control programme for overcoring data, Phase-II - Investigations and analyses of stress failures at Pyhäsalmi mine, Phase-II - Quality control programme for overcoring data, numerical simulations, computer program development., Phase-I - Investigations and analyses of stress failures at Pyhäsalmi mine, investigation plan, supervision, simulations and interpretation of results. Phase-I - Stress-strain behaviour of main rock types at Hästholmen investigation sites part II, laboratory study and analysis of test results. - Interpretation of the Hästholmen in situ state of stress based on core damage observations, interpretation of stress state. - Stress-strain behaviour of main rock types at Hästholmen investigation sites part I, laboratory study and analysis of test results. - Numerical study of the core damage and the interpretation of the in situ state of stress, numerical simulation. - Particle mechanics aspect of stress-strain behaviour in rock, numerical simulation. - Stress-strain behaviour of main rock types at Kivetty investigation sites part II, laboratory study and analysis of test results. - Stress-strain behaviour of main rock types at Kivetty investigation sites part I, laboratory study and analysis of test results.

8 - Stress-strain behaviour of main rock types at Hästholmen investigation site, laboratory study and analysis of test results. - Stress-strain behaviour of main rock types at Romuvaara investigation sites, laboratory study and analysis of test results. Saanio & Riekkola Oy - In situ Failure test at Olkiluoto, expert work for test planning, supervision and reporting. - Expansive agent laboratory test configuration, 2D thermo-mechanics simulation. Daebon Engineering; - Undergroung railway tunnel junction, Korea, rock mechanics design. Daewoo; - Design of sewage treatment plant and rock cavern for Joongang sewage treatment plant project, Pusan, Korea, rock mechanics study. Scandiaconsult Sverige AB; - Henriksdalsberget road tunnel / Stockholm - Road E79 "Dupniza" tunnel, Bulgaria, rock mechanics study Helsinki University of Technology, Laboratory of Rock Engineering; - Corrosion-protected cable bolts in long-term reinforcement, - Part II, Numerical simulations of cable bolt behaviour. - Corrosion-protected cable bolts in long-term reinforcement, - Part I, Numerical simulations of cable bolt behaviour. - Technical development project for in situ stress measurement, Part I, Field study and numerical simulations. - Acoustic emission measurement in uniaxial compression of rock, Laboratory study. Outokumpu Mining Oy; - Pyhäsalmi mine, rock mechanics study of bottom level stopes. - Pyhäsalmi mine, rock mechanics design of pyrite pillar. - Pyhäsalmi mine, rock mechanics design of crushing station. - Pyhäsalmi mine, rock mechanics design of G-area stopes. - Pyhäsalmi mine, rock mechanics design of new mine. - Pyhäsalmi mine, rock mechanics design for feasibility study. - Kemi mine, rock mechanics study for new underground mine. - Hitura mine, rock mechanics stope design.

9 Kemira Chemicals Oy, Siilinjärvi Mine; - Rock mechanics design of open pit. Mondo Minerals Oy; - Lahnaslampi open pit, rock mechanics study. Oy Nordkalk Ab; - Parainen mine, Finland, rock mechanics design. Tamrock Sandvik Oy; - Test Mine, rock mechanics design of tunnel crossing area. Lemminkäinen Construction; - Sines propane cavern project, Portugal, rock mechanics simulation of concrete plug. Rock mechanics numerical analyses at Helsinki University of Technology from 1995 to 1997: Posiva; - Stress-strain behaviour of Olkiluoto mica gneiss, laboratory study and analysis of test results. - The Stress-Strain Behaviour of Crystalline Rock, laboratory study and analysis of test results.

10 Rock mechanics numerical analyses at Saanio & Riekkola Oy from 1987 to 1995: Outokumpu Oy; - Enonkoski mine. - Pyhäsalmi mine City of Helsinki; - Kamppi-Ruoholahti metro tunnels, - Kamppi metro station, - Viikinmäki underground sewage treatment plant, - Kaisa underground parking facility - Puotila metro tunnels Postbank of Finland; - Underground computer center City of Kuopio; - Lippumäki underground ice hockey ring Teollisuuden Voima Oy ( TVO ); - VLJ-cavern Storage for low- and medium level radioactive waste, KPAfacilities Storage for high level radioactive waste Pohjola Power Company; - Koivukoski III underground waterpower plant Sam Whan Engineering, South Korea; - Seoul metro tunnels, - Pusan metro tunnels Fuji Research Institute Corporation, Japan; - Ultra large traffic tunnels Swedish Kärnkraft Bolag, ( SKB ), Sweden; - Storage for high level radioactive waste

11 Numerical analyses of Structures at Saanio & Riekkola Oy from 1987 to 1995: Finnish Centre for Radiation and Nuclear Safety ( STUK ); - Dynamic analyses of steel-concrete structure Helsinki University of Technology, Laboratory of Rock Engineering from 1993 to 2001: - Visiting teacher, Numerical Methods in Rock Mechanics - Numerical Mine Modelling course for EMC students (European Mining Course), Helsinki University of Technology, Rock Engineering Laboratory

12 Publications: Bergström P., Sahala K., Hakala M., 2014. From high stress to de-stressed mining in changing conditions. Deep Mining 2014 M Hudyma and Y Potvin (eds) 2014 Australian Centre for Geomechanics, Perth. Hakala, M., Ström, J., Nuijten, G., Uotinen, L., Siren, T., Suikkanen, J., 2014. Thermally Induced Rock Stress Increment and Rock Reinforcement Response. Working Report 2013-32. Posiva Oy, Eurajoki. Hakala, M., Siren, T., Kemppainen, K., Christiansson, R. & Martin, D., 2014. In situ Stress Measurement with the New LVDT-Cell Method Description and Verification. Posiva Report 2012-43. Posiva Oy, Eurajoki. Valli, J., Hakala, M., Wanne, T., Kantia, P. & Siren, T.,2014. ONKALO POSE Experiment Phase 3: Execution and Monitoring. Working Report 2013-41. Posiva Oy, Eurajoki. Johansson, E., Siren, T., Hakala, M. & Kantia, P., 2014. ONKALO POSE Experiment - Phase 1&2: Execution and Monitoring. Working report 2012-60, Posiva Oy. Uotinen L.K.T., Siren T., Martinelli D., Hakala M., 2013. In-situ experiment concerning thermally induced spalling of circular shotcreted shafts in deep crystalline rock. World Tunnel Congress 2013 Geneva. Underground the way to the future! G. Anagnostou & H. Ehrbar (eds). Valli J., Hakala M. Posiva Working Report 2012-58. ONKALO POSE experiment Phase 3: 3DEC prediction. Posiva Oy, Eurajoki. Mönkkönen, H., Hakala, M., Paananen, M. & Laine, E. Working Report 2012-7. ONKALO Rock Mechanics Model (RMM) - Version 2.0. Posiva Oy, Olkiluoto. Valli, J., Kuula, H. & Hakala, M. Posiva Working Report 2011-34. Modelling of the in situ Stress State at Olkiluoto. Posiva Oy, Olkiluoto. Kemppainen K., Hakala M., Johansson E., Kuula H., Hudson J.A., 2011. In situ rock stress-strength comparison: Posiva s Olkiluoto Spalling Experiment (POSE). 12th ISRM International Congress on Rock Mechanics. Beijing, China. Uotinen L., Nuijten G., Siren T., Ström J., Hakala M., Rinne M., 2011 Eurocodes in Hard Rock Engineering in Finland. World Tunnel Congress 2011, Helsinki, Finalnd. Lahti, M. (ed.) & Hakala, M. 2010. Working Report 2010-47. Results of Monitoring at Olkiluoto in 2009, Rock Mechanics.. Posiva Oy, Olkiluoto.

13 Remes, H., Kuula, H., Somervuori, P. & Hakala, M. 2009. ONKALO Rock Mechanics Model (RMM) Version 1.0. Posiva Working Report 2009-55. Posiva Oy, Olkiluoto. Kemppainen K., Hakala M., Johansson E., 2009. Rock mechanics activities in the rock characterization facility ONKALO. Get Undergroung, Underground Space Seminar, Rock Engineering Seminar, November 4-5th, 2009. Finnish Tunneling Association FTA and The Finnish National Group of ISRM. Hakala, M., Hudson, J. A., Harrison, J. P. & Johansson, E. 2008. Working Report 2008-83, Assessment of the Potential for Rock Spalling at the Olkiluoto Site. Posiva Oy, Olkiluoto. Mattila, J. & Hakala, M. 2008. Working Report 2008-22, Results of Monitoring at Olkiluoto in 2007 - Rock Mechanics. Posiva Oy, Olkiluoto. Hakala et al. 2007. ISRMMS Vol 44, No 1 (Editor Zimmerman R. W.), Estimating the transversely isotropic elastic intact rock properties for in situ stress measuremnt data reduction: A case study of the Olkiluoto mica gneiss, Finland. Johansson et. al. 2007. Rock mechanics research for radioactive waste disposal in Finland. 11th ISRM Congress, Lisbon, 9-13/7/2007. Hakala & Sjöberg 2006. Posiva's Working Report 2006-99, A Methodology for Interpretation of Overcoring Stress Measurements in Anisotropic Rock. Posiva Oy, Olkiluoto. Hakala M. Posiva 2006-03, Quality Control for Overcoring Stress Measurement Data. Posiva Oy, Olkiluoto. Hakala et al. 2006. Proceedings of the international symposium on in-situ rock stress, Trondheim, Norway, June 19-21,2006 ( Editors Lu m., Li C., Kjorholt H., Dahle H.), Quality control and interpretation of in situ stress measurement data Hakala M., Kuula H., Hudson J., 2005 Strength and Strain Anisotropy of Olkiluoto Mica gneiss. Posiva Working Report 2005-61. Posiva Oy, Olkiluoto. Hakala M., 2004. Manual for Transient Strain Analysis for Overcoring, OCS Version 2.2. Posiva R&D Report 2004-08. Posiva Oy, Olkiluoto. Hakala M., Hudson J.A., Christianson R., 2003. Quality control of overcoring stress measurement data. Int J Rock Mech Min Sci 40 ( 2003 ) 1141-1159. Balkema.

14 Hakala M., 2003. Practical tool for quality control of overcoring stress measurement data. ISRM 2003 Technology roadmap for rock mechanics, South African Institute of Mining and Metallurgy, 2003. Hakala M., Tolppanen P., 2003. Analyses of Tunnel Stress Failures at Pyhäsalmi Mine. ISRM 2003 Technology roadmap for rock mechanics, South African Institute of Mining and Metallurgy, 2003. Hakala M., Kuula H., Matinlassi M., Somervuori P., Syrjänen P., Tolppanen P., 2002. Analyses of Tunnel Stress Failures at Pyhäsalmi Mine. Posiva 2002-28. Posiva Oy, Helsinki. Satola I. S., Hakala M., 2001. Corrosion protected cable bolts in long-term reinforcement. Research report TKK-KAL-A-28. Espoo, Helsinki University of Technology. Roinisto J., Salmelainen J., Aartolahti J-V, Griffin A., Hakala M., 2001. Meilahti underground car park and civil defence shelter. Proceedings of the ISRM regional symposium Eurock 2001, Espoo, Finland. Särkkä P., Eloranta P. ( eds ). Balkema. Salmelainen J., Roinisto J., Orivuori E., Aartolahti, Hakala M., 2001. Kluuvi underground car park and civil defence shelter. Proceedings of the ISRM regional symposium Eurock 2001, Espoo, Finland. Särkkä P., Eloranta P. ( eds ). Balkema. Brusila J., Hakala M., 2001. Yielding pillar design at Pyhäsalmi new mine. Proceedings of the ISRM regional symposium Eurock 2001, Espoo, Finland. Särkkä P., Eloranta P. ( eds ). Balkema. Satola I. S., Hakala M., 2001. Corrosion protected cable bolts in long-term reinforcement. Proceedings of the ISRM regional symposium Eurock 2001, Espoo, Finland. Särkkä P., Eloranta P. ( eds ). Balkema. Brusila J., Hakala M., Särkkä P., 2001. Yielding pillar design vid Pyhäsalmi nya gruva. Bergmekanik dagen 2001. Svebefo, Stockholm. Autio J., Johansson E., Kirkkomäki T., Hakala, M., Heikkilä E., 2000. In situ failure test in the Research tunnel at Olkiluoto. Posiva 2000-05. Helsinki, Posiva Oy. Hakala, M. 2000. Interpretation of the Hästholmen in situ state of stress based on core damage observations, Posiva 2000-01. Helsinki, Posiva Oy. Hakala, M. 1999. Numerical study of the core damage and interpretation of the in situ state of stress, Posiva 99-25. Helsinki: Posiva Oy.

15 Hakala M. et al, 1999.Rock mechanics design of the Kluuvi underground car park/civil defence shelter. Proceedings of 9th ISRM Symposium, Paris, France. Vouille G., Berest P. ( eds ). Balkema. Hakala M., 1999. Numerical study of the core disk fracturing and interpretation of the in situ state of stress. Proceedings of 9th ISRM Symposium, Paris, France. Vouille G., Berest P. ( eds ). Balkema. Hakala M. and Heikkilä E., 1997. Summary Report - Development of Laboratory Tests and Stress-Strain Behaviour of Olkiluoto Mica Gneiss. Posiva Report 97-04. Posiva Oy, Helsinki. Hakala M., Karjunen T., Dynamic Analysis of Steel-Concrete Structure of TVO nuclear Power Plant Containment Building. STUK-YTO-TR 108. Helsinki 1996. Tolppanen P., Johansson E., Hakala M., Rock Mechanics Analyses of In Situ Stress / Strength Ratio at the TVO Investigation Sites Kivetty, Olkiluoto and Romuvaara. Report YJT-95-11. Hakala M., Johansson E., Simonen A., Lorig L., Application of the Continuously-Yielding Joint Model for Studying Disposal of High-Level Nuclear Waste in Crystalline Rock. Report YJT-93-06.Helsinki 1993. Nuclear Waste Commission of Finnish Power Companies. Johansson E., Hakala M., Mechanics, thermomechanics and hydraulic analyses of rock mass around a repository for spent fuel disposal. Report YJT-92-17. Helsinki 1992. Nuclear Waste Commission of Finnish Power Companies. Johansson E., Hakala M., Lorig L., Rock mechanics, thermomechanics and hydraulic behaviour of the near field for spent nuclear fuel. Report YJT-91-21. Helsinki 1991. Nuclear Waste Commission of Finnish Power Companies. Johansson E., Hakala M., Peltonen E., Salo J.-P., Lorig L., Comparisons of computed two- and three-dimensional thermomechanics response of jointed rock. Proc. of 7th International Congress on Rock Mechanics. Rotterdam 1991, Balkema.