Siemens AG Österreich Transformers Weiz

Siemens AG Österreich Transformers Weiz www.siemens.com/transformers

Safety information for visitors at location EM TR LPT STW Basic rules of conduct Follow the instructions of your tour guide. Wear personal protective equipment wherever necessary. Visitors have to wear safety helmets within the production areas! Safety shoes are mandatory if you depart from the redorange marked route! Be careful during lifting operations, keep distance! Watch out for transport vehicles! Do not touch production equipment and products. Use the designated smoking places. Photography and filming is forbidden! In case of an emergency use the marked emergency exits. Page 2

General Factory map Transformer plant north of Weiz Transformer plant north of Weiz Core-Cutting-Center plant south of Weiz Core-Cutting Center plant south of Weiz Page 3

Transforming Know-How into solutions. Our Profile Fiscal Year 2016 www.siemens.com/transformers

Structure Overview and History Siemens Transformers 5 Facts and Figures Siemens AG Österreich - Transformers Weiz 11 Product and Service Portfolio Siemens AG Österreich -Transformers Weiz 20 References Siemens AG Österreich - Transformers Weiz 24 Innovations, Business excellence Siemens Transformers 41 Page 5

The Business Units of Energy Management Division Energy Management Ralf Christian Business Unit High Voltage Products (EM HP) Karlheinz Kronen Transformers (EM TR) Dr. Beatrix Natter Transmission Solutions (EM TS) Mirko Düsel Medium Voltage & Systems (EM MS) Stephan May Low Voltage & Products (EM LP) Andreas Mathe Distributed Energy Systems (EM DES) John Kovach Digital Grid (EM DG) Thomas Zimmermann Portfolio Circuit Breakers Disconnectors and Earthing Switches Hybrid Switchgear Instrument Transform. Surge Arresters Coils Bushings Gas-Insulated Switchgear (GIS- Systems) Power Transformers Distribution Transformers Special Purpose Transformers Traction Transformers Phaseshifter Transformers TLM TM Transformer Components High-Voltage, Direct- Current Transmission (HVDC) Reactive Power Compensation / FACTS Turnkey Grid Access Solutions Solutions for Gas- and Air-insulated Switchgear (GIS, AIS) Gas-insulated lines (GIL) Air & Gas Insulated MV Switchgear LV Switchgear & busbar trunking systems Generator Switchgear Storage, grid coupling and sub sea solutions, e- houses LV Protection, switching, measuring & monitoring, distribution MV vacuum circuit breakers, contactors & interrupters Power Distribution Modular Devices & Installation UL Apparatus Grid automation Grid protection Communication devices Power quality Sensors Grid control center & applications Meter data management Data analytics & Software solutions Integration, Asset & Application services Rail Electrification #1 market position #2 market position #2 market position #3 market position #3 market position #1 market position #2 market position Electrification Automation Digitalization Page 6

EM TR is one of the global market leaders Power Generation Power Consumers Large Power Transformers (LPT) >300 kv Medium Power Transformers (MPT) 300 kv 72.5 kv Distribution Transformers (DT) <72.5 kv Worldwide #2 position ~2" EUR revenue ~7,700 employees 19 manufacturing locations in 13 countries with a manufacturing capacity of 250 GVA p.a. (max) EM TR has the competence of building transformers all over the world for more than 100 years Key information a trusted and reliable partner comprehensive portfolio driving technology innovations highest quality standards Page 7

Siemens Transformers At all levels of transmission and distribution Large Power Transformers >300 kv Medium Power Transformers 300 kv > 72,5 kv Distribution Transformers 72,5 kv Unit Auxiliary Transformers Generator Step-Up Transformers Static VAR FACTS Transformers System Interconnecting Transformers HVDC Transformers Shunt and Series Reactors Phase Shifters TLM - Transformer Lifecycle Management Liquid immersed DTs for Distribution networks Grid Access Solutions Liquid DTs and CRTs for Infrastructure Solutions Special Transformers for Industrial Applications Voltage Regulators Traction Transformers for rail vehicles Line Feeders for rail system power supply Installation & Commissioning Maintenance & Lifecycle Extension Repair & Retrofit Spare Parts & Accessories Condition Assessment & Diagnostics Online-Monitoring Training Page 8

EM TR has a global footprint of 19 locations in 13 countries Trois-Rivieres Jinan Canada China Jackson Wuhan USA China Guanajuato Guangzhou EM TR Mexico Tenjo Locations DT MPT LPT China Kalwa Colombia ~2,000 km India Jundiai Kirchheim Nuremberg Dresden Nuremberg Trento Weiz Linz Zagreb Budapest Voronezh Brazil Germany Germany Germany Germany Italy Austria Austria Croatia Hungary Russia Page 9

Siemens Transformers Merged strengths our history 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Est. in 1903 1883 Siemens Schuckert PN BUT Transformatoren Trafo DK Berlin, Stuttgart TN TUSA SAT FS Stuttgart closed Berlin closed EV STCL PTD JXN Energy STI, STWH STAD STV Energy Management 1904 1921 1960 VEB Transformatoren- und Röntgenwerk Transformers Csepel Transformers PD KPT DB STL STW STN STGZ STCA STM Lyon sold St. Catharines closed Peebles closed STAD sold 1836 Transformers STN Lyon 1892 ELIN AG ELIN-Union AG STW 1920 Elektrobau AG STAL STGZ 1912 1894 Ferranti Packard Ferranti-Packard Transformers STCA STM Peebles St. Catharines black color = current factory red color = former factory Page 10

Siemens AG Österreich - Transformers Weiz Weiz, Austria Austria Member of the European Union Population 8.699.730 Area 83.878 km² Federal States 9 Plant Weiz Since 1892 Employees 1181 Area 54.300m² Page 12

Siemens AG Österreich - Transformers Weiz Company History 2012 SIEMENS Aktiengesellschaft Österreich Transformers Weiz 2007 SIEMENS Transformers Austria GmbH & Co. KG 2005 Integration into SIEMENS 2003 VA TECH ELIN Transformatoren is one of two competence centers of VA TECH Transformers worldwide 2000 VA TECH ELIN Transformatoren GmbH & Co. 1990 ELIN Transformatoren GmbH 1988 Transformer Division was established 1959 ELIN Union AG für Elektrische Industrie 1922 ELIN Aktiengesellschaft für Elektrische Industrie 1892 Franz Pichler Werke First Transformer Page 13

Siemens AG Österreich - Transformers Weiz General Principles Strategic partner for our customers Utmost performance by motivated & qualified employees Customer oriented, ecological & economical solutions Technology leader through innovation Page 14

Apprenticeship @ Siemens AG Österreich Transformers Weiz Three Weiz located companies initiative: Siemens AG Österreich Transformers Weiz Andritz Hydro (lead) Elin Motoren Two fields of apprenticeships: Mechatronics - electric machine technology Metal technology - mechanical engineer Currently approx. 50 Siemens apprentices in training (from the 1st to the 4th apprenticeship year). Education goals: training in the workshop field experience for apprentices aged 18 years health & safety social skills Page 15

Siemens AG Österreich - Transformers Weiz Milestones in Development 1892: Franz Pichler First Transformer 1986: 975 MVA Transformer (USA) 1996: 1300 MVA Transformer (USA) 1993: 650 MVA / 525 kv / ±24 Phase Shifter (USA) 2007: 1200 MVA / 400 kv / ±24 ±32 Taps Phase Shifter (Germany) 2014: 1200 MVA / 410 / 410 ± 20 (No Load) ± 32 steps Phase Shifter (Poland) 2016: 1 st Resiliency Transformer 133 MVA, 345 kv (USA) 1 st Bullet Resistance System on 970 MVA, 345 kv GSU (USA) 1892 1965 1986 1996 2005 2009 2012 2014 2015 2016 1951: 230 kv Transformer (Austria) 1989: 765 kv BIL 2050 Transformer (USA) 2008: 133 MVAr / 765 kv Single Phase Shunt Reactor (South Africa) 2015: 240 MVA / 400/132 kv Transformer with Ester-oil-filling, Low-Noise-Design and Utilization of waste heat 1965: 400 kv Transformer (Sweden) 2012: 100 MVA / 735 kv Single Phase SVC Transformer (Canada) Page 16 1965: 500 kv Transformer (USA) 2005: 420 MVA / 345 kv - 57 db(a) Transformer (USA)

Siemens AG Österreich - Transformers Weiz Figures FY 2016 Order Intake Turn Over Production Area Production Capacity in MVA Distribution Transformers Power Transformers and Shunt Reactors FY 2016 416 Mio 407 Mio 54.300 m² 48.300 8.300 40.000 FY 2015 362 Mio 360 Mio 54.300 m² 48.300 8.300 40.000 Employees (September 2016) Employees (Office) Employees (Workshop) Apprentices 982* 381 551 50 *) incl. temp. Staff 1181 976* 362 558 56 *) incl. temp. Staff 1133 Page 17

Siemens AG Österreich - Transformers Weiz Markets FY 2016 Order Intake: EUR 416 1 Sales: EUR 406 7 3% 1% 2% 2% 28% 21% 57% 8% 59% 6% 6% 8% Europe Austria Middle East / Africa USA Asia/Australia Canada Page 18

Siemens AG Österreich - Transformers Weiz Markets FY 2016 LPT only Order Intake: EUR 264 7 Sales: EUR 225 7 1% 9% 2% 4% 12% 1% 42% 45% 43% 33% 3% 5% Europe Austria USA Canada MiddleEast / Africa Asia/Australia Page 19

Siemens AG Österreich - Transformers Weiz Products Power Transformers Phase Shifting Transformers Reactors Distribution Transformers Generator Step Up Transformers Substation Transformers (Multiwinding- & Autotransformers) Single- & Dualtank Symmetric & asymmetric Phase Angle (Adjustable) Shunt Reactors Seriesreactors Standard Distribution Transformers Special Applications (Renewables, Industry, etc.) 1ph up to 150 MVAr / 765 kv 1ph and 3ph up to 1,300 MVA / 765 kv 1ph and 3ph up to 1,200 MVA / 765 kv 3ph up to 250 MVAr / 765 kv 1ph and 3ph up to 20 MVA / 72,5 kv Page 21

Siemens AG Österreich - Transformers Weiz Service Repair & Retrofit Spare Parts & Accessories Long Term Program Support for MODERNIZATION and RETROFIT On site repair Commissioning MONITORING & DIAGNOSTICS Fleet / Individual diagnostics, expertise asset performance, criticality data processing, evaluation consultancy for performance Monitoring & Sensors: On site service, 1st & 2nd level support, prioritized field service & defined reaction time ADVANCED 24/7 CUSTOMER SUPPORT ON-SITE CONDITION ASSESSMENT BASIC Page 22

STW total delivered MVA and number of units worldwide refers to Large Power Transformers MVA Number of Units 712.059 675.258* 4.140 3.017* Total delivered MVA from 1937 to date Currently installed capacity suitable for commercial service Total number of units delivered from 1937 to date Total number of currently installed units suitable for commercial service In the period from 1937 to date, STW has supplied to 72 different countries and through the deployment of supervisors STW has been physically present in almost ll of these countries. *) based on a 40 year lifetime Page 23

Siemens AG Österreich - Transformers Weiz Reference for Generator Step Up Transformer Generator Step Up Transformer Customer EDF, France Destination Nuclear Power Plant Cattenom, Creil and Paluet Delivery 2010-2018 (1/4/9 units) Rating 570 MVA, single-phase GSU 405/20 kv Key features Short circuit test on model transformer Replacement of old transformer under very limited space and timely conditions Page 25

Siemens AG Österreich - Transformers Weiz Reference for Autotransformer Autotransformer Customer ESKOM, South Africa Destination Big Horn Substation and others Delivery 2007-2013 (12 units) Rating 800 MVA, three-phase AUT 400/275/22 kv Key features 232 tons per heavy part with dry air Total weight fully assembled 390 tons per unit Page 26

Siemens AG Österreich - Transformers Weiz Reference for Phase Shifting Transformer Phase Shifting Transformer Customer San Diego Gas and Electric, USA Destination Imperial Valley Substation Delivery 2016 (2 units) Rating 400 MVA, three-phase PST 230/230 kv Key features Phase Angle -80/+31 in -16/+48 steps 2 tanks ~ 815t totally assembled Page 27

Siemens AG Österreich - Transformers Weiz Reference for Phase Shifting Transformer Phase Shifting Transformer Customer ELES, Slovenia Destination Divača Substation Delivery 2010 Rating 1200 MVA, three-phase PST 400/400 kv Key features Phase Angle ±40 4 tanks max. 306t transportation weight each excl. oil Used for Power Flow Control between Slovenia and Italy Page 28

Siemens AG Österreich - Transformers Weiz Reference for Phase Shifting Transformer Phase Shifting Transformer Customer PSE, Poland Destination Mikułowa Substation Delivery 2014-2015 (4 units) Rating 1200 MVA, three-phase PST 410 kv Key features Dual Tank Page 29

Siemens AG Österreich - Transformers Weiz Reference for Phase Shifting Transformer Phase Shifting Transformer Customer ALPIQ, Switzerland Destination Lavorgo Station Delivery 2011 Rating 800 MVA PST 420/ 3 // 247/ 3 // 33 kv, ±9.6 Key features ONAN / ODAF Single Phase PST Bank incl. Spare Biggest unit ever to cross below the Alps by using the 9-mile Gotthard railroad tunnel Page 30

Siemens AG Österreich - Transformers Weiz Reference for Shunt Reactor Single Phase Shunt Reactor Customer AEP, USA Destination Rockport and others Delivery 2005 through 2013 (36 units) Delivery 2016 through 2018 (42 units) Rating 100 MVAr SHR 765/ 3 kv Key features ONAN Low Loss Design Full Type Tests Page 31

Siemens AG Österreich - Transformers Weiz Reference for Series Reactor Series Reactor Customer Singapore Power, Singapore Destination Tembusu Substation Delivery 2013 (3 units) Rating 500 MVAr three-phase CLR 230 kv Key features First Series-Reactor in Singapore Page 32

Siemens AG Österreich - Transformers Weiz Reference for Autotransformers Autotransformer Customer Exelon ComEd, USA Destination Ridgeland Delivery 2015 (1 unit) Rating 336 MVA, three-phase AUT 330/138/33 kv Key features 4000th Power Transformer unit Page 33

Siemens AG Österreich - Transformers Weiz Shipment of our 4000 th power transformer intensively celebrated Page 34

Styrian export award to Siemens AG Österreich - Transformers Weiz Page 35

Siemens AG Österreich - Transformers Weiz Reference for DT-Renewables The transformers are developed in a close relationship together with the customer. Power ratings from 900kVA up to 10MVA have been realized. Transformers with a voltage level of 72,5kV have already been built and successfully tested. State of the art materials like aramid fiber insulation components or natural and synthetic ester liquids are used. Strong experience in all kinds of cooling methods like ONAN, ONAF, KNAN, KFAF, KFWF allow the design and manufacturing of transformers with highest demands on small dimensions. Also special tests like short circuit, vibration or tank rupture have been performed successfully. Siemens AG Österreich, Transformers Weiz is the world leading transformer manufacturer for renewable applications like wind and photovoltaic Page 36

Siemens AG Österreich - Transformers Weiz Reference for DT-Generator Step Up Transformer Generator Step Up Transformer Destination Sub Station Las Fuentes (Guatemala) Delivery (October 2015) (1 unit) Rating 15,75 MVA Ratio 69000 / 6600 V Key features Radiator Tank Surge Arrestors Primary and Secondary side Secondary side with side wall bushings Primary side Nominal Voltage 69kV Page 37

Siemens AG Österreich - Transformers Weiz Reference for DT-Regulating Transformer Regulating Transformer Destination Substation in Austria Delivery 2014 (3 units) Rating 7500 kva Ratio 33000 / 5250 V Key features Expansion tank design Low loss design Sound pressure level 40 db(a) only @0,3 m Zincflake coating system C5-M with 240µm layer thickness Fully type tested (Noise level, Heat run test, Lightning impulse test) Page 38

Siemens AG Österreich - Transformers Weiz Reference for DT-Converter Transformer Regulating Transformer Destination Substation in Peru Delivery 2015 (1 unit) Rating 13,6 MVA Ratio 33000 / 2400 Key features KFWF cooling (liquid forced / water forced) Hermetically sealed with rubber bag Filling with ester Midel 7131 (biodegredable) Nomex high temperature insulation Fully copper windings Installation inside the wind turbines Zincflake coating system acc. C5M (marine standard) with 270µm layer thickness Page 39

Siemens AG Österreich - Transformers Weiz Reference for DT-Regulating Transformer Regulating Transformer Destination Substation in Germany Delivery 2015 (98 units) Rating 6,8 MVA Ratio 34000 / 690 V Key features KFWF cooling (liquid forced / water forced) Hermetically sealed with rubber bag Filling with ester Midel 7131 (biodegredable) Nomex high temperature insulation Fully copper windings Installation inside the wind turbines Zincflake coating system acc. C5M (marine standard) with 270µm layer thickness Page 40

Alternative Insulating Liquids Why highlight Alternative Insulating Liquid Meet regulations regarding environment impacts Siemens provides proven equipment with appropriate designs Siemens has been delivering ester units Distribution Transformers for over 20 years Power Transformers since 2004 Committees and publications on alternative insulating fluids IEC (TC10) and CIGRE (WG D1) Electric Today, Electra, ISH and others Page 42

Alternative Insulating Liquids Mineral Oil Synthetic Ester Natural Ester Produced from crude oil Hydrocarbon compounds Paraffinic Naphthenic Aromatic Olefin Page 43 Derived from chemicals Product of alcohol with synthetic or natural acids Advantages Oxidation stability Thermal and environmental behavior Biodegradability Made of plant seed oils Advantages Higher flash and fire points Biodegradability Sustainable

Siemens AG Österreich-Transformers Weiz Reference for Alternative Insulating Liquid Transformers Alternative Insulating Liquid Transformers Customer National Grid, United Kingdom Destination Highbury London Inner City Delivery 2015 and ongoing (3 units) Rating 240 MVA three-phase AUT 400 kv Key features Ester-oil-filling Utilization of waste heat Low-Noise-Design Page 44

Siemens AG Österreich-Transformers Weiz Reference for Alternative Insulating Liquid Transformers Alternative Insulating Liquid Transformers Customer Vattenfall Vattenkraft AB, Sweden Destination Letsi Power Station Delivery 2015 and ongoing (4 units) Rating 121 MVA one-phase GSU 433 kv Key features Ester-oil-filling Page 45

Professional Ester-handling Transformer plant Weiz invests in separate processing and storage two tanks installed 100.000 litres volume each. double-walled and thermically isolated, vacuume safe high pressure up to 2 bar Page 46

Tank Rupture Prevention - A stand alone solution for an additional extra in safety Transformer Requirements How to be sure power transformers for working environments with highest security requirements are really safe? Siemens Solution: Tank Rupture Prevention A detailed static & dynamic simulation and calculation results in an improved tank design according to individual customer transformer requirements Advantages: Higher safety for assets and personnel in case of failure due to rupture prevention measures (e.g. specific tank pressure protection against internal arc s) Same footprint with higher safety, as no external measures are required Our experience from in-depth analysis reveals the critical zones for each individual customer design and finds the optimum extra protection Page 47

Tank Rupture - References Year Country #Units Type Rating [MVAr] Voltage [kv] Phase Frequency [Hz] X USA 1 SHR 175 500 3 60 X USA 1 SHR 100 345 3 60 X France 1 SHR 64 21 3 50 2016 USA 1 AUT 750 345 3 60 2016 USA 1 AUT 750 345 3 60 2016 Canada 3 AUT 550 735 1 60 2016 USA 2 PST 400 230 3 60 2015 France 1 PST 1814 405 3 50 2015 France 3 GSU 570 405 1 50 2015 Canada 1 SHR 135 525 3 60 2015 Canada 1 SHR 45 525 1 60 2015 Canada 1 SHR 38,24 287 3 60 2013 Canada 1 AUT 450 315 3 60 2013 Canada 2 SVC 330 315 3 60 2011 Canada 1 AUT 550 735 1 60 Page 48

Mobile resiliency transformer Transformer Requirements Transformer unit that fits into several different grid environments Very flexible Easy to transport to various destinations Siemens Solution: Mobile resiliency TX Single phase units that cover the following two ratings and operate under two configurations: 335-136-13.8 kv, 300 MVA 3 phase rating 132-68-13.8 kv, 150 MVA 3 phase rating Tertiary for supply transformer AC power requirements and other station auxiliary power requirements Advantages: The ace up the sleeve Rapid reaction to emergencies Peace of mind Comprehensive concept Protoype mobile resiliency transformer for large US utilities Page 49

Siemens AG Österreich-Transformers Weiz Reference for Mobile resiliency transformers Mobile resiliency transformers Customer Westar Energy Inc Destination Rapid Recovery EHV Delivery 2016 Rating 133 MVA one-phase SPT 345 kv Key features Mobile resiliency units Page 50

Siemens AG Österreich-Transformers Weiz Reference for Mobile resiliency transformers Mobile resiliency transformers Customer Consolidated Edison of New York Destination Rapid Recovery EHV Delivery 2016 Rating 100 MVA one-phase SPT 335 kv Key features Mobile resiliency units Page 51

Low Noise - Technology leadership in silent transmission for cities and urban areas Transformer Requirements How to bring transformer power in sound sensitive proximities without compromising power rating and loss levels? Siemens Solution: Low Noise Design Especially proven for densely populated residential areas. Fully compatible with all other Siemens transformer design concepts like Natural Ester and Tank Rupture Prevention Advantages: Comprising internal and external noise reducing arrangements thus cutting sound levels by 23.9 db(a)* at same technical limits No additional housing required Page 52

Application and benefit of bullet resistant transformers The Importance of Bullet Resistant Transformer Tanks The attack on an electric power station in San Jose, California 1) highlighted the threat that high-powered weapons can pose to transformers and reactors. The attack, which was carried out with a high-powered rifle, was able to surgically knock out 17 large transformers in approximately 19 minutes. It took utility workers 27 days to make repairs before reopening the substation. 10 mm S335 Steel penetrated by a Class 7 standard rifle bullet Siemens Solution: Page 53 Polymer concrete panels are capable of withstanding Class 9 bullets while Class 12 rounds have successfully been stopped from penetrating high-hardness steel sheets 2) Mobile/fast replacement Other applications possible such as seismic proof, explosion prevention 1) April 13, 2013 2) Source: Siemens EM TR GTC LPT Siemens transformer with polymer concrete sound panels Impact resistant high-hardness steel panel

Our manufacturing processes in operation 1) Transformer design 2) Core building 3) Winding shop A strong global network of highly experienced engineers (>500) Proven standard design or Individual mechanical and electrical design to customers requirements State of the art design processes using CAE* methods, pre-testing algorithms and latest results of our R&D departments and materials and high voltage laboratories *CAE : Computer Aided Engineering e.g. finite elements analysis Page 54 Fully automated core cutting Stacked cores with GOES steel Manual core stacking up to 350 tons according to customer requirements and product type Manual laying of windings for optimal materials handling with perfect results according to product type Layer or disc windings with copper or aluminum conductors Winding processing including pressing and pre-drying Inhouse insulation workshops

Our manufacturing processes in operation 4) Active part 5) Final assembly 6) Testing Inhouse lead preparation Arranging winding, core, lead and other components (e.g. tap changers) to active parts up to 400 tons Complex active part assembly in desert climate chambers for highest manufacturing quality Assembly area with equipment up to 400 tons of total weight capacity to unify tank and active part Sophisticated vacuum and oil filling processes with final filtration High tech test field suitable to test units up to 800 kv Full compliance with any existing international standard Guaranteed functionality of all devices Page 55

Our manufacturing processes in operation 7) Transport 8) Commissioning 9) Service & Repairs We check and handle the complete transport procedure from our manufacturing facility to the customer on site Long experience with first class transportation partners for rail, water and road all over the world Deep knowledge and experience in installing and commissioning our products worldwide (incl. nuclear power plant certification) Customer trainings in the factory and on site Highest level of EHS-regulations (zero harm culture) Strong global network of experts from14 countries for unparalleled expertise and every-time and every-place support Customer Services with condition assessment, diagnostics, online monitoring, repair and retrofit Facilities and experience with Siemens and competitor products Page 56

For us, excellence is leadership in quality, environmental care, health and safety Therefore, we continuously work to live excellent business processes because excellence in processes leads to operational excellence because good processes are prerequisite to achieve customer satisfaction Our Management Policy and Business Charter build the basic framework Page 57

Excellence in operation this is our quality We believe in quality to be the primary lever for products and solutions with exceptionally successful innovations Experienced Workforce Periodic and standardized training Competence management Modern and reliable equipment Highest quality Fast and flexible Standardized Production Processes World wide production standards Clear commitment to EHS (zero harm culture) Environmental Friendly Production Avoid energy wasting processes Energy recycling Siemens Production System Lean production Continuous improvement Page 58

All our locations are ISO 9001, ISO 14001 and OHSAS 18001 certified Page 59

Environmental Portfolio audited and approved by Ernst&Young since 2011 Page 60

Siemens AG Österreich Transformers Weiz Intern @ Siemens AG 2017