1. June, XXX 2012 Jean-Claude Steinmetz On the road to eco-mobility: Innovative solutions for lightweight vehicles

2. GROUP PRESENTATION COPYRIGHT 2011 – SOLVAY SA NV 2 A major player in chemicals with compelling strengths Within top 10 worldwide largest chemical players from developed markets 90% of sales in businesses ranking among the top 3 global leaders Global presence with 40% of sales in fast growing countries Diversified end-markets creating resilience through cycles Differentiated innovation focused on sustainable development Committed to operational excellence targeting best-in-class process efficiency REBITDA: operating result before amortization, non recurring elements, financial charges and taxes * From continuing operations € 12.7bn NET SALES € 2.1bn REBITDA 110 INDUSTRIAL SITES € 825m* NET INCOME 29,000 EMPLOYEES 55 Countries 2011 Proforma Our strengths

3. Jean-Claude Steinmetz 3 An increased regulatory pressure to reduce CO 2 emissions 100 80 120 140 160 180 200 g CO2 / km 2015 154 g CO2 / km 2016 140 g CO2/km 2015 130 g CO2/km 2020 95 g CO2/km 2010 2012 2014 201620182020

4. Jean-Claude Steinmetz 4 2010, European Federation for Transport & Environment OEMs face several billion of euros penalties  What will be the repercussion on the customer’s price? Meeting CO 2 emission targets is a demanding challenge for most OEMs

5. Jean-Claude Steinmetz 5 3- Car structure Lightweight solutions Innovation regarding: Innovation is the Key to limit penalties impact 1- Car conception Electrical vehicle Hybrid vehicle 2- Powertrain performance Engine downsizing

6. Jean-Claude Steinmetz 6 Aerodynamics SCx decrease of 5dm2   -2g CO2 Rolling resistance - 10%   -2g CO2 More efficient power train 10% fuel consumption   -15g CO2 Auxiliaries air conditioning / lightning  from -2 to -10 g CO2 Available technologies to meet 2015 CO 2 emission target Plastic part weight savings   -3g CO2 Aluminium, high-strength steel & redesign   -10g CO2 Source: PSA Moveo june 2011 + 13 kg / year Average vehicles weight Weight (kg) New Peugeot 208: - 110 kg vs 207 New Audi A3: - 80 kg vs previous model

7. Jean-Claude Steinmetz 7 7 Weight reduction 2025 Stake: >100kg weight saving 2010 Target 95g CO 2 /km Thermoplastic composites Thermoplastic compounds New materials will allow breakthrough vehicle weight saving NON STRUCTURALSEMI STRUCTURAL STRUCTURAL 130g CO 2 /km

8. Jean-Claude Steinmetz 8 Required stakes to meet 2020 CO 2 emission targets SAFETY COST COMPETITIVENESS RECYCLING VEHICLE RETHINK & REDESIGN CHALLENGESMEANS TO SUCCEED PROCESS PARTNERSHIPS WITH OEMs WEIGHT SAVING TARGET: -20% = 200kg mass reduction JOINT REGULATIONS COLLABORATIVE R&D PROGRAMS SUVENTIONS Industry Institutions

9. Jean-Claude Steinmetz 9 9 Partnership & Collaborative programs: FastLite, the lightweight program launched by french OEMs for Body-In-White applications Objectives: build a B-Pillar composite demonstrator Develop a glass or carbon reinforced Polyamide composite material Develop part manufacturing and integration process to meet automotive cycle times Validate structural crash performance TODAY B-pilar TOMORROW Body-in-White A first step to demonstrate the feasibility of Polyamide composite solutions on BIW structure Partnership with:

10. Jean-Claude Steinmetz 10 Metal solution Polyamide solution Process: Lightweight seat structure developed with Faurecia Composite inserts 2012 20202016 Target: 35% weight saving 20% weight saving Crash performance under validation Partnership with:

11. Jean-Claude Steinmetz 11 Injection of Fan and Shroud Module A unique collaborative approach with a multi-criteria analysis for the whole value chain Photochemical oxydation 1 Unique ACV because of same design and weight Recycled Technyl® production Non Recycled Technyl® production 2 ACV because of different formulation ChemistFormulatorTier 1OEM + User Assemblage du véhicule UtilisationFin de vie Climate change (Greenhouse gas emissions) AcidificationOzone layer diminutionEnergy consumptionEutrophisation (aquatic environment disturbance) Non renewable ressources selling out 7 environmental indicators in this Life Cycle Assessment A complete Life Cycle Assessment Vehicle assembling UsingEnd of life

12. Jean-Claude Steinmetz 12 The introduction of a recycled polyamide reduces substantially the part’s environmental impact during it whole life (from -9% to – 28%). It has been demonstrated for all evaluated points. Substantial reduction of environmental impact for all indicators New FSM Recycled FSM New FSM Recycled FSM New FSM Recycled FSM New FSM Recycled FSM New FSM Recycled FSM New FSM Recycled FSM New FSM Recycled FSM

13. Jean-Claude Steinmetz 13 TARGETS ACHIEVABLE THROUGH COLLABORATIVE PROGRAMS Process optimization Product Development WEIGHT SAVING TARGET: -20% = 200kg mass reduction JOINT REGULATIONS COLLABORATIVE R&D PROGRAMS Pan European program support TIME to MARKET

14. Jean-Claude Steinmetz 14 Solar Impulse, the “King partnership program” © Image Jean Revillard 2014: Round-the-world flight in stages Over 6,000 parts made from Solvay products are used in this lightweight airplane Rhodia will be on board for the new generation Solar Impulse with engineering plastics and high performance fibers Solvay: the first main partner of the “zero fuel” airplane