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Co Corpo rporat rate e Pr Pres esen entati tation on Yverdon rdon-les les-Bains Bains, , June 2019 19

AGENDA Who we are Leclanché technologies Our reference customers Our leadership team 2

“ We are a world leading provider of high quality energy storage solutions, accelerating the integration of renewable energy into our grids and powering the electrification of transport systems. We have over 100 years of battery and energy storage innovation, powered by German engineering and Swiss quality .”

What we do Electrification of transport systems • We deliver integrated Battery Packs for Electric Vehicles of all sizes, with intelligent interface to the charging infrastructure. Renewable energies integration • We deliver Energy Storage Systems that reliably add intermittent solar and wind energies in the electricity network as dispatchable power on an as needed basis. World leading in-house technologies • Electrochemistry to Energy Management Software: Lithium Cells, Battery Modules, Racks & Packs; Battery Management System; Energy Management Software . 4

Our Value Proposition

We address USD10 billion market growing @37% CAGR Utility-scale generation & Commercial & industrial eTransport microgrids battery systems • Micro-grids: renewable integration • Commercial, industrial & residential • Fleets of buses, trains & trams • Grid stabilisation and peak shifting • Solar lighting, medical, telecoms, security & defence • Ferries and tugboats • Fast EV Charging • Branded consumer (selected markets) • Forklifts, cranes, mining vehicles 5.0 12.0 8.0 11.3 4.2 4.0 6.0 9.0 6.0 GWh GWh GWh 3.0 6.0 4.0 2.0 1.7 3.0 2.0 0.9 1.0 1.8 0.0 0.0 0.0 2016 2020 2016 2020 2016 2020 Source: Navigant Research

World leading Leclanché energy storage technologies 7

Our Technology Advan vanced ced produc oduction tion technique niques Lithium cells • • Battery ery chemist mistry ry technologi ologies es • Proprietary Lithium Titanate Oxide (LTO) cells for leading • performance in long-life and rapid-charge applications (sole manufacturer in Europe) Proprietary G-NMC cells for energy intensive applications Modules, Packs and Racks (continued R&D enhancements made) • Modul ule e desig ign • • 8

Common technology stack: serving multiple markets, enhancing margins We deploy our proprietary cells, yet remain flexible to incorporate other storage technologies with our software and controls Lithium Titanate Oxide (LTO) Lithium Graphite/NMC (G-NMC) Integrated 3 rd PartyTechnologies ▪ Hydrogen fuel cells Cycle life >20,000 @ 80% DoD 8,000 @ 80% DoD ▪ NiMH ▪ Lead acid Lifetime & Up to 20 years Up to 10 years ▪ Ultracapacitors warranty Charge time Less than 15 minutes (4C) 1 hour (1C) to 90% SoC Charge Symmetrical to discharge Asymmetrical to discharge (max. c-rate 7) (max. c-rate 1) acceptance Energy 70 Wh / kg 210 Wh / kg within 2019 density 270 Wh/ kg in 2020 Temperature -20 ° C to +55 ° C 0 ° C to +45 ° C range Safety Laminated ceramic separator Laminated ceramic separator • Power intensive applications • Energy intensive Electric Vehicles Ideal use • Long lasting applications • Renewable energy integration cases • Applications needing • Low cycle applications rapid response • Bulk storage or weight • Grid stability projects critical applications 9

Our patents portfolio Our IP portfolio of patents protects our proprietary cell technologies and water-based processing methods Coverage area # of patent families # patents granted # patents filed LTO specific 5 35 5 Manufacturing 3 37 30 process Separator 1 - 5 technology (1) System/module 2 - 3 integration 11 72 43 10

Competitive products: on target to achieve 55% cost reduction between 2015 and 2020 through innovation and engineering 49% increase in Cell capacity; >90% for high energy density Cells Reduced cost-base by more than 50% Cell capacity increase Cell cost reduction 90 320 400 270 300 Plans to triple cell Cell Wh 70 Cell Ah €/kWh 220 200 manufacturing capacity 50 170 100 30 120 0 2015 2016 2017 2018 2019 2020 2021 2015 2016 2017 2018 2019 2020 2021 Systems Assembly and Ah Wh Material cost €/kWh Manufacturing costs €/kWh Testing capacity New modules for eTransport applications build-up • New gen M3 modules design: 30% reduction in component costs. • New automated assembly line in Yverdon, Switzerland, by mid-2020 in partnership with Comau (Fiat Chrysler Automotive group company): >5 fold increase, 350MWh in Module manufacturing capacity. 11

Continuous innovation: strong national and European alliances for lithium cells EUR500 million Battery cell research and production centre initiative launched by the German Federal • Cell development plant for the battery industry, set-up through the Ministry of Education Fraunhofer Institute, to produce cylindrical and pouch cells. and Research (BMBF) • Leclanché part of the industry consortium contributing to the plant set-up and operation. Largest industrial partner within the consortium German European Battery Alliance and “ Batteriezellfertigung ” funding budget of EUR1 billion • Major cell production industrial ramp-up support from Germany through the EU’s European Battery Alliance and the use of an IPCEI (Important Project of Common European Interest) process. By 2020, Leclanché aims to deliver >300Wh per kg/ • Leclanché has notified its interest in participating in the process through 500 cycles the establishment of an industrial consortium led by Leclanché and other cells for cars; >230Wh per Kg/ partners (Umicore, Solvay, SGL Carbon, CS Additive, Manz, PEC). >2000 cycles cells for heavy duty transport vehicles 12

Leclanché integrated solutions for electrification of transport systems • Superior in-house Cells and Battery Management Systems (BMS) to custom design Battery Packs for Electric Vehicles of all sizes. • Intelligent and dynamically configurable integration with charging infrastructure to optimize fleet operations. Marine Racks BMS Lithium Cells G/NMC Modules LTO BMS Electric Vehicle Pack 13

Transport systems application Marine vessels Land transport • • • • • • • • Off highway Material handling • • • • 14

Leclanché energy storage systems for better integration of renewable energies Leclanché Software and Controls package provides flexibility across multiple applications Energy Management Software (EMS) Universal Fleet Management Software Lithium Cells G/NMC (UFMS) BMS LTO Modules and Racks 15

Customer applications delivered Utility services / grid connected • Ancillary services • • Transmission deferral • • EV fast charging • Rapid DC EV charging • • • • • 16

Our reference customers 17

Stealing a march on our competitors in the fast growing Electric Vehicles (EV) market Master Supply Agreements with recurring annual revenues Custom-designed battery We created a new business unit in the packs for fleets of Electric fast growing EV market Vehicles based on 100% Leclanché technology Solutions developed and Engineered for Fleet EVs Energy storage We focused on the underserved solutions for smart e-Marine market charging infrastructure Yara Birkeland will be the world’s first fully electric and autonomous container ship, with zero emissions. With this vessel, Yara will reduce diesel-powered truck haulage by 40,000 journeys a year. 18

Stationary storage solutions for leading customers worldwide From less than 1MWh in 2015 to 100MWh projects commissioned by 2018 Comprehensive set of software and controls for Leclanché Energy Management Software (EMS) EPC turnkey solution for a wide range of applications 19

Our leadership team 20

Our leadership team Anil Srivastava CEO Phil Broad Fabrizio Marzolini Hubert Angleys Bryan Urban Pierre Blanc EVP EVP CFO & COO EVP CTIO ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 21

Disclaimer 22

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