Welcome to Berlin. Siemens gas turbine plant Berlin Falk Eisermann

Welcome to Berlin Siemens gas turbine plant Berlin Falk Eisermann siemens.com/gasturbines

Content 01 Siemens Divisions Power and Gas & Power Generation Services 02 Siemens Division Function Products 03 04 05 Gas turbine plant Berlin Gas turbine frames Flex Power Service for CCPP and SPP Page 2 November 2017

Siemens will focus on three future growth opportunities Power generation Power transmission & distribution and smart grid Efficient use of energy Efficient healthcare delivery Business Analytics & Data-driven Services Digitalization Renaissance of Gas Distributed electrification Smart Mobility Digital Factory Processindustries Healthcare of the future Automation Wind Electrification Strong technological basis along the value chain of electrification Leader in automation (Total Integrated Automation (TIA), Total Integrated Power (TIP)) Leader in vertical domain know-how Page 3 November 2017

Divisions Power and Gas and Power Generation Services powerful players within Siemens Power and Gas Wind Power and Renewables Energy Management Building Technologies Mobility Digital Factory Process Industries and Drives Healthineers (separately managed) Financial Services Dresser- Rand Business Power Generation Services O&G Power Generation Power Transmission and Distribution Efficient Energy Application Imaging and In-vitro Diagnostics Corporate Core Corporate Services 30 Lead Countries Page 4 November 2017

World of Products Global manufacturing and engineering network Locations > 10 employees Montreal/Lachine (CA) Mt. Vernon (US) Burlington (US) Charlottesville (US) Fort Payne (US) Charlotte (US) Casselberry (US) Orlando (US) Jupiter (US) Huludao (CN) Tokyo Fuji (JP) Yixing SGTC 1) (CN) Shanghai SEPG 2) (CN) Dammam SDEH (SA) New Delhi BHEL (IN) Gurgaon (IN) Vadodara (IN) Bangalore (IN) St. Petersburg SGTT (RU) Trollhaettan (SE) Finspong (SE) Lincoln (UK) Worchester (UK) Le Havre (FR) Brno (CZ) Budapest (HU) > 30 locations, ~ 15,000 employees Locations Products with manufacturing Locations Products Locations Dresser-Rand with manufacturing Joint venture, strategic partner, licensee Jundiai (BR) Cilegon (ID) Muelheim (GER) Berlin (GER) Goerlitz (GER) Erfurt (GER) Erlangen (GER) 1) Siemens Gas Turbine Components 2) Shanghai Electric Power Generation with Siemens minority Page 6 November 2017

Products portfolio Gas turbines Steam turbines Generators Heavy-duty gas turbines from 117 to 564 MW Industrial gas turbines from 5 to 57 MW Aeroderivative gas turbines from 4 to 66 MW Utility steam turbines from 250 MW to 1,900 MW Industrial steam turbines from 10 MW to 250 MW Dresser Rand steam turbines from <10kW to 25 MW Generators 25 to 2,235 MVA Air-cooled generators Pressurized air-cooled generators Water-cooled generators Page 7 November 2017

The Siemens gas turbines portfolio: The right engine for every requirement Heavy-duty gas turbines Industrial gas turbines Aeroderivative gas turbines 50Hz 50Hz or 60Hz 60Hz Page 8 November 2017 SGT5-9000HL SGT5-8000HL SGT5-8000H SGT5-4000F SGT5-2000E SGT6-9000HL SGT6-8000H SGT6-5000F SGT6-2000E SGT-A65 SGT-800 SGT-A45 SGT-750 SGT-700 SGT-A30 and SGT-A35 SGT-600 SGT-400 SGT-300 SGT-100 SGT-A05 564 MW 465 MW 450 MW 329 MW 187 MW 386 MW 310 MW 250 MW 117 MW 53 to 66 / 54 to 62 MW 48 to 57 MW 39 to 44 MW 40 / 41 MW 33 / 34 MW 27 to 37 / 28 to 38 MW 24 / 25 MW 13 to 14 / 13 to 15 MW 8 / 8 to 9 MW 5 / 6 MW 4 to 7 MW Power Generation / Mechanical Drive, Performance at ISO conditions

Gas turbine plant Berlin Siemensstadt (Service, Refurbishment Shop Berlin, depot & manufacturing) Motardstraße (Field Service Training and Repair Center) Berlin plant Huttenstraße Port Westhafen (Assembly & depot) Ludwigsfelde (Energy Logistics Center) Ludwigsfelde (Clean Energy Center) Page 10 November 2017

Gas turbine plant Berlin Huttenstraße 130,000 m² plant area 68,700 m² built-up About 65% under crane coverage Berlin plant (Manufacturing and Service) Employees 3,700 Women Proportion 19% Number of Nationalities 46 Apprentices 250 Page 11 November 2017

The heart of a power plant Siemens heavy-duty gas turbine Proven technology >1,000 gas turbines delivered in more than 60 countries Highest reliability: > 99% Power output between 117 and 564 MW Highest efficiency: 61%* Environmental friendliness with lowest emission values Flexibility 360 In Berlin, we generate customer benefit Page 12 November 2017 *Combined cycle efficiency SGT-8000H series

Siemens has more than 65 years experience in gas turbine technology 1961 Commercial operations of VM 80: World s largest singleshaft gas turbine (23.4 MW) 2016 Berlin Shipment of the 1,000 th gas turbine 1904 Foundation of turbine factory Berlin Moabit 1972 Berlin 1 st gas turbine for power plant 62.5 MW (V93.0) 1980 Delivery of V94.2 gas turbine (148 MW) today known as SGT5-2000E 1998 Merger with Westinghouse and World s most efficient combined cycle power plant AEG Kraftwerk Union AG Siemens AG 1948 Muelheim Start of gas turbines R&D activities 1969 Foundation of Kraftwerk Union AG 1978 World s most powerful gas turbine 116 MW (V94.1) 1996 1 st SGT5-4000F 2011 World s largest GT, efficiency record SGT5-8000H 2015 Opening Clean Energy Center Test center for components Page 13 November 2017

Basic design of all Siemens gas turbine rotors and the forerunner model Forerunner model: Jet engine Jumo 004-B Centric tie rod Axial compressor with 8 stages 1-stage turbine Jet engine Jumo 004-B Rotor Siemens gas turbine Rotor of a Siemens gas turbine Centric tie rod Axial compressor with multiple stages 4-stage turbine Inventor Rudolf Friedrich (1909-1998) First he was involved in the development of the jet engine compressor In the end of the 1940s he joined Siemens and developed stationary gas turbines Page 14 November 2017

The Berlin Test Facility: Testing & validation of Siemens large gas turbines Get the performance benefits of rapid innovation Provide reliable long-term operation in the customer's power plant Provide a validated fleet and proven quality to our customers Support gas turbine engineering to meet the triangle of schedule, cost and time Full scale gas turbine tests up to 400 MW for 50/60 Hz Real time data stream to world wide engineering hubs over 12,000 measurement channels Test innovations under the extremes of real gas turbine operating conditions Since 1972 Page 15 November 2017

The Clean Energy Center (CEC): Siemens test facility for gas turbine components Testing capabilities for gas turbine components for distributed energy supply and large power plants Measurement and analysis techniques to the latest state-of-the-art High speed data acquisition systems for high dynamic data Patented engine live visualization ELVis for real time data streaming to all engineering locations worldwide Fast and flexible product development High pressure test facility for gas turbine components Since 2015 360 capacity of 24 hrs testing for maximum flexibility high fuel flexibility to adapted customer needs Page 16 November 2017

Service at Siemens gas turbine plant Berlin: Professional, global, close to the customer Worldwide execution with local presence Highly qualified technical teams and fact finders More than 200 trainees and students in dual study programs ~ 1,300 employees Page 17 November 2017

Service at Siemens gas turbine plant Berlin: Innovative service for flexibility and sustainability More than 550 gas turbines in long term programs Gas turbine fleet experiences for more than 50 years Field Service Training and Repair Center for extensive customer s expert training Continuous fleet improvement programs Power Diagnostics Technology Center for enhanced customer support Logistics Center for 24/7 replacement parts availability Customized solutions for optimum performance of power plants Page 18 November 2017

Heavy-duty gas turbines 50Hz applications SGT5-9000HL up to 564 MW Highly efficient, flexible, low life-cycle costs SGT5-8000HL up to 465 MW Highly efficient, based on proven technology SGT5-8000H up to 450 MW Efficient, flexible, proven SGT5-4000F up to 329 MW Trusted operational excellence SGT5-2000E up to 187 MW Reliable, robust, fuel flexible 60Hz applications SGT6-9000HL up to 386 MW Highly efficient, flexible, low life-cycle costs SGT6-8000H up to 310 MW Efficient, flexible, proven SGT6-5000F up to 250 MW Reliable, fuel flexible and powerful SGT6-2000E up to 117 MW Reliable, robust, fuel flexible Page 19 November 2017

The SGT5-2000E: Designed for reliable, robust and flexible power generation 187 MW power output 36.5% electrical efficiency > 95.5% fleet availability > 99.0% fleet reliability Fast start-up in ~ 17.5 minutes or < 12 minutes optional Every fuel from natural gas (incl. low-calorific gases) to crude oil and heavy fuel oil Fast grid support More than 20 million of equivalent operating hours Designed for easy maintenance Service offerings with one major overhaul in lifetime only Page 21 November 2017

Siemens SGT5-4000F: Proven technology demonstrated over almost 20 years of operation Rotor Robust design with internal cooling air passages for trusted long term operation and fast start-up capability Easy rotor de-stacking on site due to disc assembly with Hirth serration and central tie rod Compressor Proven 15-stage compressor: Fast cycling capability through fast acting inlet guide vane Two additional stages of fast-acting variablepitch guide vanes (VGV) for improved part load efficiency and high load transients All rotating compressor blades replaceable without rotor lift or rotor de-stacking Bearings Hydraulic Clearance Optimization (HCO) improves performance and minimizes degradation by active control of clearances at start-up and shut down Turbine High cycling capability due to fully aircooled hot gas path without cooling air coolers Four stages with film cooling and thermal barrier coatings: Well-balanced turbine load optimizes life-cycle costs Combustion Dry-Low-NO X hybrid burners, for low emission operation with gaseous and liquid fuels Homogeneous combustor outlet profile for minimized mechanical and thermal turbine stress Annular walk-in combustion chamber with individually replaceable heat shields for easy maintenance and short outages, resulting in highest availability Page 22 November 2017 Flexibility Performance Serviceability

Siemens SGT-8000H series: Reliable, flexible, proven and fully on board air-cooled Rotor Proven rotor design with internal cooling air passages for world-class fast (cold) start and hot restart capability Easy rotor de-stacking on site due to disc assembly with Hirth serration and central tie rod Compressor Variable inlet guide vanes and three stages of fast acting variable-pitch guide vanes (VGV) for improved part load efficiency and high load transients High efficiency due to evolutionary 3D blading All rotating compressor blades replaceable without rotor lift or rotor de-stacking Bearings Active clearance control with Hydraulic Clearance Optimization (HCO) for reduced degradation and clearance losses Turbine 61% efficiency in combined cycle Combustion Advanced can annular combustion system High cycling capability due to fully internally air-cooled turbine section 3D four-stage turbine with advanced materials and thermal barrier coating Shorter outages: All turbine vanes and blades replaceable without rotor lift; vane 1, blade 1 & 4 replaceable without cover lift Page 23 November 2017 Flexibility Performance Serviceability

When the best from past experience unites with new technologies our HL-class Single tie-bolt rotor Proven rotor design with internal cooling air passages for fast (cold) start and hot restart capability Rotor Air cooler allows use of proven steel disc design Easy rotor de-stacking on site due to disc assembly with Hirth serration and central tie rod 12- stage compressor Variable-inlet Guide Vanes and two stages of fast-acting Variable-pitch Guide Vanes (VGV) for improved part load efficiency and high load transients Third generation harmonized compressor High efficiency due to evolutionary 3D blading All rotating compressor blades replaceable without rotor lift or rotor de-stacking Bearings Hydraulic Clearance Optimization (HCO) for reduced degradation and clearance losses >63% efficiency in combined cycle Combustion Advanced can annular combustion system with dual-fuel capabilities (12/16 combustors) 4-stage turbine High cycling capability due to fully internally air-cooled turbine section Super-efficient internal cooling features for blades and vanes 3D four-stage turbine with advanced materials and thermal barrier coating All turbine vanes and blades replaceable without rotor lift; vane 1, blades 1 & 4 replaceable without cover lift Flexibility Performance Serviceability Page 24 November 2017

HL-class gas turbines: Designed for highly efficient and flexible power generation Features Maintenance Gas turbine ramp-up Low emissions Optimized design for short outages 85 MW/min Down to 2 ppmvd with SCR** Proven engine architecture derived from SGT-8000H series Benefits Efficiency of up to 42% in simple cycle operation Technical data* Power output SC/CC 50 Hz 545 / 817 MW 60 Hz 374 / 560 MW Efficiency SC/CC 50 Hz 42% / > 63% 60 Hz 41.7% / > 63% Page 25 November 2017 High operational flexibility down to 30% part load Low life-cycle costs High reliability and availability Low emissions High serviceability * SGT-9000HL series, net plant values ** Selective Catalytic Reduction

Flex-Power Services TM Combined Cycle flexible Operation Base Load (P*) Standard Operation Line Flex Operation Line Fast Start Up Primary Frequency Response Secondary Frequency Response Peak Power, Grid Stabilization & SFR Part Load Upgrade Fast Shutdown & Cool Down GT Start Gradient GT Load Gradient GT Load Gradient (in IGV range) 13 MW/min up to 50 MW/min Turn Up (TU) Fast WetC Fast WetC + TU Part Load Upgrade Co Reduction Package Enabler: Turn Down Extended Turn Down Deload Gradient Reduced GT Cool Down Page 27 November 2017

Siemens Gas Turbine Modernization Flex-Power Services TM Products available for SCC5-4000F Dispatch Control Combined Cycle Load Gradient Frequency Response Optimization Exhaust Gas Attemperation Load Gradient Optimization Frequency Control Turn Up Primary Frequency Response Maximum Load Plus Fast Wet Compression Grid Services Spinning Reserve) Flex-Power Support minimum environmental load Part Load Upgrade Minimum Part Load Modified ST Valve Staggering Extended Turn Down Exhaust Gas Attemperation Islanding Off-grid Purge Credit Degassed Conductivity Page 28 November 2017 Modified Pre- Warming Concept Exhaust Gas Attemperation Low Loss Start Adv. Fast Loading Start Gradient Optimization Fast Release to nominal speed Fast Plant Shut Down Power on Demand Hot Start On The Fly Instantaneous Power (Fast Start) Blackstart (without grid power) Services Combined Cycle Gas Turbine SIESTART Maintenance Flexibility Reduced Cooling Down Combined Cycle* Maintenance Interval Fast Cooling * SPPA-P3000 solutions, also applicable for non-oem plants

Siemens Gas Turbine Modernization SGT5-4000F CO Reduction Upgrade Secondary Air Control up to 10% pts. GT Load reduction** Anti Icing E2 E3 with constant CO emission within IGV range OTC increase Upgrade Scope Benefit Part load OTC increase* Optimized secondary air control* Anti Icing activation* * Experience: Positive effect on CO emissions demonstrated on several units, also in germany Page 29 November 2017 Extended Part Load Operation Range with low Emissions (~10% pts. deeper GT load possible with constant CO emissions in IGV range**) Optimized part load efficiency Savings of fuel if no electric power needed ** Depends on site configuration and ambient conditions

Siemens Gas Turbine Modernization SGT5-4000F CO Reduction Upgrade Extension of Part Load Operation Range Power GT 100% Standard CO limit CO limit after PLU Upgrade Part load OTC increase Part load OTC increase Optimized secondary air control Anti Icing activated Extended Part Load Operation Range Closed IGV with Turn down OTC Page 30 November 2017

Siemens Gas Turbine Modernization SGT5-4000F Extended Turn-Down Hardware Change of limiting positions of IGV Sealing between turbine vane carrier and turbine exhaust gas cladding Software Ext. TD logics (especially Icing Controller) Adaption of BoP control for new minimum mass flow and minimum load Benefits Increased IGV operation range for continuous operation Improved minimum GT operation position Current IGV closed position is reduced by further closing of IGV Further compressor mass flow reduction minimum IGV depending on compressor inlet temperature and humidity Extending fast accessible operating range Page 31 November 2017

Siemens Gas Turbine Modernization SGT5 4000F Potential for Part Load reduction with ex.td 100% Power GT OTC increase Part load OTC increase Optimized secondary air control Anti Icing activated Extended Part Load Operation Range with COR Turn Down limit 39% load Extended Turn Down Extended Part Load with extended Turn Down Ext TD limit 30% load Ext. Turn Down operation line OTC Page 32 November 2017

Operational Flexibility Siemens portfolio for Steam Power Plants Flex-Power ServicesTM A variety of hard- and software solutions is available to improve operational flexibility of steam power plants (SPP) Page 33 November 2017 * SPPA-P3000 solutions, also applicable for non-oem plants

Significant improvements of flexibility at SPP even of plants designed for base load are possible Increased load gradients for primary & secondary frequency control Altbach, Germany 420 MW, hard coal: 5% in 30 s up to 100% load (with turbine & condensate throttling + partial deactivation of HP preheaters) Reduced Minimum Load Steag Voerde, Germany 700 MW, hard coal, built 1985: Minimum sustainable load w/o oil support and bypass reduced from 280 (40%) to 140 MW (20 %) Wilhelmshaven, Germany 820 MW hard coal: 90 MW in 5 min instead of 60 MW (without throttling) Neurath D&E, Germany 630 MW lignite: Minimum sustainable load w/o oil support and bypass reduced from 440 (70 %) to 270 MW (43 %) Neurath D&E, Germany 630 MW lignite: 100 MW in 5 min (w/o throttling and partial deactivation of HP preheaters to compensate fuel quality) Page 34 November 2017

Shop tour gas turbine plant Berlin Test Facility Final Assembly Welding Shop Rotor Shop Combustion Systems Blade Shop Selective Laser Melting Page 35 November 2017

Disclaimer This document contains statements related to our future business and financial performance and future events or developments involving Siemens that may constitute forward-looking statements. These statements may be identified by words such as expect, look forward to, anticipate, intend, plan, believe, seek, estimate, will, project or words of similar meaning. We may also make forward-looking statements in other reports, in presentations, in material delivered to shareholders and in press releases. In addition, our representatives may from time to time make oral forward-looking statements. Such statements are based on the current expectations and certain assumptions of Siemens management, of which many are beyond Siemens control. These are subject to a number of risks, uncertainties and factors, including, but not limited to those described in disclosures, in particular in the chapter Risks in Siemens Annual Report. Should one or more of these risks or uncertainties materialize, or should underlying expectations not occur or assumptions prove incorrect, actual results, performance or achievements of Siemens may (negatively or positively) vary materially from those described explicitly or implicitly in the relevant forward-looking statement. Siemens neither intends, nor assumes any obligation, to update or revise these forward-looking statements in light of developments which differ from those anticipated. Trademarks mentioned in this document are the property of Siemens AG, its affiliates or their respective owners. TRENT and RB211 are registered trade marks of and used under license from Rolls-Royce plc. Trent, RB211, 501 and Avon are trade marks of and used under license of Rolls-Royce plc. Page 36 November 2017