A L U NO RF. ENVIRONMENTAL STATEMENT nd UPDATE OF ENVIRONMENTAL STATEMENT Aluminium Norf GmbH, Neuss including environmental data 2014

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1 ENVIRONMENTAL STATEMENT nd UPDATE OF ENVIRONMENTAL STATEMENT 2013 Aluminium Norf GmbH, Neuss including environmental data 2014 A L U NO RF A rolling mill for the world

2 ENVIRONMENTAL STATEMENT ALUNORF Recent developments In 2015 Alunorf is celebrating its 50th anniversary; time to look back on our history and our achievements. To name just a few: - Production increase: In our first year of production in 1968 we rolled a hot mill volume of 67,000 t. In 2014 we shipped more than 1.5 million tonnes for the first time. Just over the last few years production volumes steadily increased - without the need for new equipment. Instead the existing machines were used in a more effective and sustainable manner. - Improvement of energy efficiency: Since 1990 we have reduced the specific energy input per tonne of shipped rolling sheet by 30 %. - Reduction of emissions: To give just an example: Since 1996 the specific emission of nitrogen oxides and organic hydrocarbons has been lowered by 40 % respectively. However Alunorf is far away from resting on its laurels. We expect a still growing strong demand for aluminium rolled products which in return means higher production volumes for us. We will further increase efficiency and productivity and also considerably invest in the expansion of our machines. Within the next years - amongst other projects - we are spending more than 30 million on the upgrade of our hot mill 1: The finishing mill shall be completed by a fourth rolling stand raising production capacity substantially. It will be a challenge for our project team to master this refurbishment without disturbing running operations. By this expansion we intend to use our ressources in an even more sustainable manner without additional new equipment. In 2014 Alunorf was honored just twice for new energy-efficient annealing furnaces: - In October Alunorf received the "Energy Award" for the "best production facility of the year 2014 by the Berlin-based Energy Academy. - In November Alunorf was awarded the first prize in the energy efficiency competition of dena (German energy agency). Alunorf received these prizes for the efficient use of the coils' heat contents in the annealing furnaces. They are noteworthy recognitions for our continuing efforts to save energ wherever we can.

3 ENVIRONMENTAL STATEMENT ALUNORF Price-giving Photo: dena In a commemorative event we were honored by the Chamber of Industry and Commerce for more than 16 years we have been taking part in the EMAS-system. We are thus demonstrating our commitment to sustainable and environmental-friendly operations of our business. This environmental statement 2015 is based on the still valid detailed environmental statement 2013 and its first update of The latest data, our achievements as well as major changes and the status of our environmental programme are presented in a concise form. The environmental statements 2013, 2014 and 2015 can be downloaded from the internet ( They include details on our facility and our production and processes. This environmental statement is addressed to our employees, our neighbourhood, stakeholders, public authorities and other interested parties to inform them of the progress we have made so far in the continuous improvement of our ecological footprint. In particular we would like to point to our long-time energy efficiency increasing measures (reference year 1990).

4 ENVIRONMENTAL STATEMENT ALUNORF What we have achieved in 2014 The most important projects in 2014 to continuously improve our environmental performance: Soaking pits chambers 5/6 were equipped with new technology resulting in savings of approx. 10 % of natural gas and 5 % of electricity (see env. programme # 62). Lighting in our production bays were in part retrofitted with LED technology. In addition to energy savings light intensity was increased (see env. programme # 69). Alternative access roads to our facility at Fuchsberg and parking lot P4 were built for truck traffic (see env. programme # 68). The volume of externally supplied liquid metal was again increased by 5 % thus saving gas to melt solid scrap. The following tables and charts show what we have achieved so far. The so-called input-output balance facilitates the control and evaluation of our environmental performance. It shows volume streams for material and energy. Based on this balance we define so-called environmental key figures. Environmental key figures are specific, e. g. related to production volumes. They enable appropriate comparisons in case production volumes change. They are calculated by dividing absolute figures from table 1 by the overall volume of hot and cold band shipped. With the help of environmental figures we monitor our improvement process and the reduction of our ecological footprint.

5 ENVIRONMENTAL STATEMENT ALUNORF Table 1: Input-Output balance related to one tonne (t) of shipped rolling sheet INPUT OUTPUT abs. based on abs. based on abs. based on abs. based on base: Shipment 1) shipment shipment shipment shipment Raw materials t kg/t t kg/t Products/bi-products t kg/t t kg/t solid aluminium sheet ingot molten aluminium hot sheet alloy metals cold sheet sheet ingots dross / scalper chips downstream processing 2) downstream processing 2) Process Materials t kg/t t kg/t Waste / recyclables t kg/t t kg/t oils and oil additives , ,87 Hazardous waste , ,76 chlorine 162 0, ,11 - recycled , ,13 acids and alkalis , ,04 - disposed , ,63 hydrate of lime 294 0, ,18 Non hazardous waste , ,82 filter earth 748 0, ,56 - recycled , ,82 active coke 66 0, ,05 - disposed 0 0,00 0 0,00 refrigerant 1,19 0,00 0,53 0,00 refrigerant 3) 0,62 0,00 0,53 0,00 Greenhouse/ Energy 10 6 kwh kwh/t 10 6 kwh kwh/t Exhaust gases t kg/t t kg/t electricity carbon dioxide indirect 4) , ,44 natural gas carbon dioxide direct 5) , ,08 diesel carbon dioxide eq. Total 6) , ,03 total nitrogen oxide 615 0, ,38 carbon monoxide 445 0, ,35 hydrocarbons 503 0, ,38 particulates 39 0, ,03 chlorine and chlorides 11 0,01 8 0,01 Waste water m 3 m 3 /t m 3 m 3 /t Water m 3 m 3 /t m 3 m 3 /t biological water treatment , ,14 drinking water , ,03 storm water basin , ,40 well water , ,86 waste water content: t g/t t g/t - thereof used in plant , ,79 - TOC 2,53 1,72 2,91 1,93 rainwater 7) , ,20 - N, total 1,16 0,79 1,79 1,19 - P 0,30 0,20 0,31 0,21 - AOX 0,01 0,01 0,01 0,01 Including Recycling-Center 1) Shipment without ingots and without downstream processing 2) includes material which is only processed in slitters 3) R22 (477 kg) goes to disposal; rest goes to reuse to specialist companies 4) CO 2 -equivalent: CO2 indirect from electricity (main source; factor 0,67 kg/kwh) The latest avaliable data are from Accordingly the grid mix is: 77,2 % from coal, 18,1 % nuclear energy, 2,1 % natural gas, 2,1 % renewables and 0,5 % other fossil energy. With respect to environmental impact it is named: radioactive waste: 0,0005 g/kwh; CO2-emission: 899 g/kwh 5) CO 2 -equivalent from use of natural gas (main source) 6) CO 2 direct and indirect all sources 7) Calculated from annual rain water in l/m 2 and sealed area in m 2 Input-Output balance Chart 1 refers to the long-term improvement of environmental key figures. It shows the development of our energy performance over the last 19 years in terms of energy input, GHG / waste gases, water consumption and waste marks the beginning of our systematic management approach acc. to EMAS.

6 ENVIRONMENTAL STATEMENT ALUNORF The specific gas consumption was again reduced as a result of increased liquid metal supply, refurbished soaking pit chambers 5 and 6 and increased production (from reduced downtime losses). In view of a rising share of hard alloys to roll, the specific electricity demand slightly increased in 2014 after the record year CO 2 emissions were slightly reduced. With regard to the emission of air pollutants, NO x -emissions decreased by approx. 8 % against the previous year. Main reason was the commissioning of the waste gas recirculation unit at the melting furncace 10 after retrofitting to regenerative burners. The specific emission of organic substances (Corg) has increased by approx. 10 %. As main reason it was found that the absorption capacity of the wash oil gets worse with increased time of application; furthermore the low pressure of the oil destillation was not sufficient. We expect the emission to achieve the level of previous years after implementation of corrective actions. Important environmental key performance indicators 1996 to 2014 Values 1996 set to 100 % 120 Energy greenhouse gases / waste gas Water Waste Values 1996 set to 100 % Electricity Natural gas CO2 from electr.and nat. gas NOx Corg Well water Drinking water Oil-rich emulsion Filter solids 2014 Chart 1: Comparison of specific env. key figures 1996 to 2014

7 ENVIRONMENTAL STATEMENT ALUNORF The specific consumption of process and drinking water has not changed much. The externally disposed volume of oil-rich thick emulsion has much increased in view of problems with the stability of rolling emulsion at hot mill 1. Against the previous year the volume of filter earth disposed has slightly decreased. Further reduction of greenhouse gases The evaluation of environmental impacts shows that Alunorf's ecological footprint is largely determined by its consumption of electricity and natural gas. For years we have therefore been pursuing the overarching ecological objective of lowering the energy input, thus also decreasing CO 2 emission. The reduction of the specific energy input per tonne of rolling sheet is shown in the following chart 2. Against 1990 we have decreased the specific energy input by close to 30 % although the range of alloys used has over the previous years developed towards products that ask for higher energy input. Also the extra production step, i. e. the recycling centre needs additional energy. The energy reduction of 0.6 % achieved in 2014 against the reference year 1990 would have been by approx. 2 % higher without recycling operations. Related to the value in 2013 the improvement is close to 1 % which means that the expected range of energy savings of 1-2 % YoY could again be achieved.

8 ENVIRONMENTAL STATEMENT ALUNORF ,0% Including Recycling 70,7% 75,7% 72,7% 71,7% 73,0% 71,5% 70,9% Chart 2: Reduction of specific energy input (gas and electricity) per tonne of rolled sheet over the previous years For many years we have been setting an energy-saving target to consolidate planned improvements from new projects and optimization measures in an overarching manner. This has proven to be much more illustrative for employees than key figures calculated with complicated formula, e. g. greenhouse gas emissions. Furthermore the new energy monitoring system showing energy consumption per machine shall help the operator - similar to a computer in a car - to recognize and influence positive and negative effects in a timely manner.

9 ENVIRONMENTAL STATEMENT ALUNORF Status of the environmental programme From the many projects to improve our environmental performance we have summarized the most important ones. This list (see table 2) is continuously updated. Priority for us continues to be the reduction of our energy input. In particular measures to lower the consumption of gas, electricity and compressed air contribute to this objective. In order to conduct the named environmental projects also in 2015 considerable resources in terms of manpower and money are needed. Capital expenditure in 2014 for energy efficiency and climate protection do not only relate to the traditional environmental areas, e. g. air pollution control, water protection and waste management. We have 18 Capital Climate protection also substantially invested in 16 Soil protection Landscape protection Waste management new soaking pits and the 14 Water protection Noise protection Refurbish-ment of pusher Air pollution control 12 Operating furnaces and LWS lighting in 10 e.g. Bag houses remelt Filter houses HM Airpure CM production bays. The highest 8 Waste disposal Depreciation share of our operating cost 6 accounts for calculatory cost 4 (mainly depreciation), followed 2 by expenses for energy 0 (electricity) and personnel. Chart 3: Environmental protection costs Outlook Environmental costs in Mio. In 2015 and on we will continue the refurbishment of hot mill 1 in several phases. This also includes the stepwise replacement of 4 old soaking pits by a new energy-efficient type. We will remain committed to the continuous improvement of our environmental performance also in the future. If you have additional questions please contact Dr. Meya, tel. (02131) , klaus.meya@alunorf.de. Dr. Meya as head of the energy and environmental also assumes the function of env. management officer. He is your first contact for all questions on environmental protection at Alunorf. Aluminium Norf GmbH Dept. energy supply and env. protection Koblenzer Str Neuss

10 ALUNORF Environmental programme Table 2: Environmental programme: New and current projects (Degr. of completion: 0 %: 25%: 50 %: 75 %: 100 %: ) No Environmental target Measure Cost Due date Responsible Completion 40 Reduce use of ozone-noxious cooling agents. Objective: Complete replacement of cooling agent R 22 Replace R 22 in big chillers 300,000 12/2013 prolonged 06/ Reduce oil in casting water Grease lubrication of mould surfaces instead of continuous oil lubrication; additional new moulds 58 Improve handling of water-noxious substances 60 Energy management and technical documentation Improve detectability of leakages by separating pipe systems for hydraulic and rolling oil at CM 2, 3 and 4 Register of electric motors in a tree structure 10,000 12/2013 prolonged 12/2014 Energy and env. Completed 700,000 12/2014 Remelt Completed 20,000 12/2014 Cold mills Completed Remelt, hot mills, cold mills and central engineering/ maintenance Completed; Existing motor list to be further developed 62 Reduce specific energy input at soaking pits New soaking pit chambers 5 and 6 (project) 6,400,000 12/2014 Hot mills Completed by 10 % 63 Reduce aluminium losses Test a dross press in the recycling centre to 890,000 12/2014 Remelt Completed gain aluminium that is still liquid(project) 64 Reduce consumption of filter aids Evaluate saving potential after changing to filter earth on cellulose basis in the rolling oil filters at the cold mills 20,000 12/2014 Cold mills Completed 66 Optimise recycling of oil additives in hot rolling emulsions Expand oil cleaning facility (project) 180,000 12/2013 prolonged 06/2014 Energy and env. Completed 67 Reduce specific energy input at soaking pits New soaking pits 7 and 8 (project) 6,700,000 12/2015 Hot mills In process by 10 % 68 Reduce noise in the area of B 9 and reduce New access roads Fuchsberg and parking lot 500,000 12/2015 Central engineering/ Completed traffic jam at the gate P4 maintenance 69 Reduce energy consumption of bay lighting By lighting with LED technology (step 1): 600,000 12/2016 Central engineering/ In process Ensure minimum illumination level and run tests maintenance to save energy 70 Expand online energy data collection Upgrade Messdas 25,000 12/2014 Central engineering/ In process maintenance 71 Reduce rolling oil losses at rolling oil Use a hydraulic press for used filter earth / Cold mills In process filtration CM 5 by 10% cellulose 110,000 12/2014 Prolonged 12/2015

11 ALUNORF Environmental programme No Environmental target Measure Cost Due date Responsible Completion 72 Reduce specific energy input at the soaking Build new soaking pit chambers 11 to /2016 Hot mills Started pits and by 10 % 73 Reduce specific energy input at 2 pusher Revamp 2 other pusher furnaces /2017 Hot mills Started furnaces by 3 % 74 Evaluate the specific energy input at the Optimise loading of soaking pits /2015 Hot mills Started soaking pits when loaded optimally (Target: Increase furnace capacity) 75 Reduce spec. electricity consumption of el. Erect new cooling tower 1.3 with controllable /2015 Energy and env. Started drives for cooling tower operation drives for fans and pumps including new partial load concept 76 Evaluate saving potential for hot water system Study to optimise hot waster supply /2016 Energy and env. Started 77 Evaluate potential of power generation from Study für the erection, operation and power /2015 Energy procurement Started gas expansion turbine generation when operating a gas expansion turbine 78 Reduce external disposal of old emulsion Increase recirculation of water phase from oil cleaning into the emulsion system; complete recirculation of water phase from daily exchange of thin emulsion at HM 2 finishing mill /2015 Energy and env. 79 Evaluate energy saving potential at soaking Energy optimisation of direct-heated soaking /2015 Warmbandbereich Started pits pits (GB project) 80 Reduce the risk of mixing up waste water Label sewer system (rain water / dirty water) /2015 Energy and env. Started flows 81 Reduce or remain on an equal level emission of oil droplets despite additional hot mill rolling stand New exhaust filter HM 1 finishing mill /2016 Hot mills Started 82 Reduce the risk of mixing up substances Label pipes and containers with new hazard symbols; complete implementation in energy centres /2015 Energy and env. Started Started Furthermore we pursue other al environmental projects which we track internally.

12 ENVIRONMENTAL STATEMENT ALUNORF Declaration of the management The environmental statement 2015 is the second update of our full environmental statement 2013 in the current validation cycle of Aluminium Norf GmbH, Neuss. It was submitted to the licensed environmental auditor Dr. Ulrich Hommelsheim for validation. In parallel the surveillance audit acc. to ISO 14001:2004 was conducted. Each year we carry out comprehensive internal environmental audits to ensure that within a three year's period each area and all activities are at least audited once. Along with our updated register of relevant environmental impacts as well as data and facts from the previous year, the audit reports are the basis for management reviews on environmental policy, environmental management system and realization of our targets in the environmental programme. Environmental policy as well as the environmental management system currently do not need to be adjusted with regard to their contents. The updated presentation of our targets is part of the environmental statement Every three years we establish a fully revised annual statement - the last one dates from Our next full environmental statement will be prepared in 2016 and published after validation by environmental auditors. Neuss, March 16, 2015 Technical managing director Commercial managing director Env. management officer

13 ENVIRONMENTAL STATEMENT ALUNORF Validation statement The undersigning EMAS environmental verifier Dr. Ulrich Hommelsheim (DE-V-0117) acting on behalf of the environmental audit organisation GUT and licensed according to NACE code herewith confirms to have audited the site of Aluminium Norf GmbH at Neuss, Koblenzer Str. 120 (registration number DE ) as laid down in this environmental statement 2015 (2 nd update of the environmental statement 2013). Aluminium Norf GmbH fulfills the requirements of the Regulation No. 1221/2009 of the European Parliament and Council on the voluntary participation of organisations in a Community eco-management and audit scheme (EMAS) dated November 25 th, With signing this validation statement it is confirmed that: verification and validation were conducted in full compliance with requirements acc. to regulation no. 1221/2009, the result of verification and validation confirms that there is no evidence for failure to conform to the valid environmental regulations, data and facts of the environmental statement 2015 of Aluminium Norf GmbH give a reliable, credible and true picture of all activities of the organisation. This validation statement cannot be equalled to a registration acc. to EMAS. EMAS registrations are undertaken by competent bodies acc. to regulation no. 1221/2009. This statement should not be used as document of its own right for information of the interested public. Neuss, March 17, 2015 GUT Zertifizierungsgesellschaft für Managementsysteme mbh Umweltgutachter DE-V-0213 Eichenstraße 3b Dr. Ulrich Hommelsheim Environmental Verifier DE-V Berlin