PROJECT STORIES

1. BTG/Plant Upgrade

PLANT 1.1 Boryeong Unit 1, 2 TPP Upgrade (Korea) 1.2 Bandel Unit 4 Plant Upgrade (India) 1.3 Eraring Unit 1-4 Plant Upgrade (Australia) UPGRADE 1.4 Morupule A Unit 1-4 Retrofit (Botswana) 2. Boiler Upgrade

2.1 Hsinta Boiler Performance Improvement (Taiwan) 2.2 Castle Peak TPP Emission Control (Hong Kong) 2.3 Ratcliffe SCR Add-on (UK) 2.4 Yeongdong Biomass Conversion (Korea) 2.5 Gardanne Biomass Conversion (France) 2.6 Korea Zink co. Boiler Upgrade (Korea)

3. Turbine-Generator Upgrade

3.1 Sabarmati E&F TG Upgrade (India) 3.2 Muja TPP Stator Rewinding (Australia)

4. AQCS Upgrade

4.1 Orot Rabin Unit 5 & 6 FGD Add-on (Israel) 4.2 Shinboryeong Unit 1 & 2 FGD Add-on (Korea)

Copyright by Doosan Heavy Industries & Construction Co., Ltd. All Rights Reserved. PROJECT STORIES BTG/Plant Upgrade DOOSAN POWER SERVICES

1.1 Boryeong Unit 1, 2 TPP Upgrade (Korea)

Plant ∙ OEM BLR: B&W / TBN: Toshiba PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity / COD 516MW x 2 Units / 1983 Boryeong Unit 1, 2 Plant ∙ Boiler Steam drum, Natural circulation Upgrade ∙ Turbine TC4F – 3 Casings Client ∙ Generator Water/Hydrogen cooled type KOMIPO 1) Contract year 2007 Customer ∙ Performance upgrade (Output, Efficiency) Needs ∙ Lifetime extension PJT period Total 27 months ∙ Installation period Scope of Replacement of S/H, R/H for the heating surface 3 months / Unit Supply ∙ New installation of primary S/H inlet tube, dust economizer, low NOx combustion system PLANT LOCATION ∙ Upgrading steam turbine HIP steam path - Replacement of rotor, bucket, diaphragm, inner shell, etc. Boryeong City, Korea ∙ Generator stator full rewinding with rotor re-insulation

Customer ∙ Capacity increase: 516MW → 535MW (approx. 3.7% ↑) Benefits ∙ Efficiency increase ∙ Lifetime extension: More than 15 years ∙ Reduced maintenance cost and coal consumption ∙ Improved low load operations ∙ Reducing environmental impacts of emissions

1) KOMIPO: Korea Midland Power Co., Ltd. PROJECT STORIES BTG/Plant Upgrade DOOSAN POWER SERVICES

1.2 Bandel Unit 5 Plant Upgrade (INDIA)

Plant ∙ OEM BHEL (BLR: Babcock / TBN: LMZ) PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity / COD 210MW x 1 Unit / 1982 Bandel Unit 5 Plant R&M ∙ Boiler Conventional drum type Client ∙ Turbine TC3F – 3 Casings WBPDCL ∙ Generator Water/Hydrogen cooled type Contract year 2012 Customer ∙ Performance upgrade (Output, Efficiency) PJT period Needs ∙ Lifetime extension Total 27 months (-PAC) / Unit Installation period Scope of ∙ Replacement of S/H, R/H, Eco. tube to increase boiler heating surface 6 months / Unit Supply (installation/commissioning) ∙ New wind box, low NOx BNR, PF piping and etc. ∙ Retrofitting soot blowing system & increasing mill capacity PLANT LOCATION ∙ Upgrading turbine steam path ∙ → Bandel, West Bengal State, India Replacing existing generator (Water-cooled Air-cooled generator) ∙ Upgrading plant I&C system & DCS

Customer ∙ Capacity increase: 210MW → 215MW (approx. 2.4% ↑ ) Benefits ∙ Efficiency increase ∙ Lifetime extension: 20 years or more ∙ Availability and reliability improvement ∙ Reduced maintenance cost & optimized trouble-shooting ∙ Incorporation of modern technologies PROJECT STORIES BTG/Plant Upgrade DOOSAN POWER SERVICES

1.3 Eraring Unit 1-4 Upgrade (Australia)

Plant ∙ OEM BLR: IHI / TBN: Toshiba PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity / COD 660MW x 4 Units / 1982 Eraring Unit 1-4 Plant R&M ∙ Boiler Twin steam drum, Natural circulation Client ∙ Turbine TC4F – 4 Casings Eraring Energy ∙ Generator Water/Hydrogen cooled type Contract year 2007 Customer ∙ Performance upgrade (Output, Efficiency) PJT period Needs ∙ Lifetime extension Total 26 months / Unit ∙ Cyclic operation (Flexibility) Installation period 6 months / Unit (installation/commissioning) Scope of ∙ Upgrade & replacement of boiler’s S/H, R/H and economizer Supply - Heating surface upgrade, increasing the heat recovery capacity PLANT LOCATION ∙ Upgrading steam turbine HIP steam path - Replacement of rotor, bucket, diaphragm, bearing, etc. Eraring, Australia - No. of stages/bucket active length extension ∙ Generator stator/rotor rewinding

Customer ∙ Capacity increase: 660MW → 750MW (approx. 13.6% ↑) Benefits ∙ Efficiency increase - Boiler and turbine section (approx. 1-3% ↑ per unit) ∙ Lifetime extension: 20 years or more ∙ Use of eco-friendly technology - Carbon emissions reduction: 865g/kWh → 835g/kWh PROJECT STORIES BTG/Plant Upgrade DOOSAN POWER SERVICES

1.4 Morupule A Unit 1-4 Retrofit (Botswana)

Plant ∙ OEM #1, 2, 3 – Boiler: Lentjes / Turbine: Parsons PROJECT OVERVIEW Information #4 – Boiler: Lentjes / Turbine: Toshiba PJT title ∙ Plant Type Coal-fired Morupule A Unit 1-4 Retrofit ∙ Capacity / COD 33MW x 4 Units / 1986 (#1-3), 1989 (#4) Client ∙ Boiler Steam drum, Natural circulation BPC (Botswana Power Corp.) ∙ Turbine 1 Casing Contract date ∙ Generator Water/Hydrogen cooled type December, 2015 PJT period Customer ∙ Urgent electricity generation recovery Total 24 months Needs ∙ Compliance with environmental regulation Installation period ∙ Lifetime extension 5 months for each unit

Scope of ∙ Replacement of boiler’s S/H, R/H and economizer PLANT LOCATION Supply ∙ Turbine overhaul (#1, 2, 4) and replacement (#3) ∙ Generator stator/rotor rewinding (#1 ,2, 4) and replacement (#3) Palapye, Botswana ∙ New installation of FGD ∙ Extension of ash dam

Customer ∙ Capacity increase (#3): 33MW → 37.9MW (approx. 4.9MW ↑) Benefits ∙ Efficiency increase ∙ Lifetime extension: Up to 15 years ∙ Reduced maintenance cost and coal consumption ∙ Reducing environmental impacts of emissions PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.1 Hsinta Boiler Performance Improvement (Taiwan)

Plant ∙ OEM Foster Wheeler PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity / COD 500MW x 2 unit / 1982 Hsinta Boiler Performance ∙ Steam Condition 166 bar / 542°C / 542°C Improvement ∙ Boiler Conventional drum type Client Taiwan Power Company Scope of ∙ Replacement of heating surface along with additional soot blowing Contract year Supply system 2006 ∙ Modification/Addition of air and gas system, ductworks, air fans, fire protection system, ash handling system and required foundation works ∙ Replacement of air preheaters, pulverizers and PA fans ∙ Addition of new SCR for NOx control

∙ Efficiency increase PLANT LOCATION Customer Benefits ∙ Availability and reliability improvement Hsinta, Taiwan ∙ Eco-friendly technology application - NOx emissions ∙ Reduced maintenance costs and optimized trouble-shooting ∙ Incorporation of modernized technologies PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.2 Castle Peak TPP Emission Control (Hong Kong)

Plant ∙ Contractor Doosan Babcock PROJECT OVERVIEW Information ∙ OEM Boiler: BPL PJT title ∙ Plant Type Coal-fired CP Emission Control Project ∙ Capacity 4 X 660MWe (B Station) Client ∙ Boiler Subcritical, wall-fired PC boiler (CLP) China Light & Power ∙ COD 1986 Contract year 2007 Customer ∙ Emission reduction (NOx) PJT period Needs ∙ Lifetime extension 2007-2010

Scope of ∙ Boosted over fired air (BOFA) on all four units on an EPC basis Supply (330m of duct, 600t additional steel) ∙ Optimised selective catalytic reduction (OSCR) on all four units on an EPC basis PLANT LOCATION - SCR civils Tuen Mun NT, Hong Kong - SCR mechanical - SCR EC&I - Ammonia injection grid - Urea storage system - Feed water piping modifications - Air heater cold end element upgrade and new sealing system

Customer ∙ 75% NOx reduction through the combination of BOFA and OSCR Benefits ∙ Lifetime extension of an existing plant PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.3 Ratcliffe SCR Add-on (UK)

Plant ∙ Plant Type Coal-fired PROJECT OVERVIEW Information ∙ Capacity 500MW x 4 Units PJT title ∙ Boiler Subcritical, conventional drum type Ratcliffe SCR ∙ Turbine TC3F – 3 Casings Client ∙ COD 1967 E.ON/UK Plc Contract year Customer ∙ Emission reduction (NOx) 2008 Needs ∙ High availability and flexibility PJT period 5 years Scope of ∙ On-site service team Supply ∙ Supply of new SCR to all 4 x 500MW subcritical units ∙ Partial replacement of boiler pressure parts ∙ Supply of an air pollution control system PLANT LOCATION ∙ Technical support provided by highly skilled service engineers – approximately 4,000 people on site working in confined operational Nottinghamshire, England, UK areas ∙ Annual installation completed during a unit shutdown while other 3 units remaining fully operational – no loss of boiler efficiency

Customer ∙ Strong open contracting relationship to minimize risk on challenging Benefits retrofit project ∙ Achieving NOx emissions levels of 100mg/NM3 in a steady-state condition ∙ Extension of electricity generation in power station by the late 2020s PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.4 Yeongdong Biomass Conversion (Korea)

Plant ∙ Main Fuels Biomass (Wood pellet) PROJECT OVERVIEW Information ∙ Plant Type Coal-fired PJT title ∙ Output 125MW Yeongdong Fuel Conversion (Coal to Biomass) Scope of ∙ Engineering, procurement and construction for fuel conversion Client Supply - Biomass fuel belt conveying system KOEN - Biomass fuel milling system (Korea South-East Power Co.) - Biomass combustion system Contract year - Biomass PF transport system 2015 - Pressure part modification PJT period - Boiler draught system 18 months → Output: 100 % fuel conversion from coal to biomass

Customer ∙ Helping the customer build a cleaner, higher performance energy PLANT LOCATION Benefits strategy Gangneung, Gangwondo, Korea ∙ Generating environmentally-friendly power

∙ Reduction of CO2 balance by 860,000 tons per year ∙ Plant lifetime extension by 15 years PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.5 Gardanne Biomass Conversion (France)

Plant ∙ Main Fuels Biomass, Waste wood, Discard coal PROJECT OVERVIEW Information ∙ Plant Type Coal-fired PJT title ∙ Output 170Mwe Gardanne Coal to Biomass ∙ Turbine Four-body turbine – 1 HP, 1 IP, 2 LP stages Conversion ∙ Thermal Capacity 386MW Client E.ON/France Scope of ∙ Delivery of key CFB boiler technology and flue gas cleaning system Contract year Supply major biomass conversion and turbine upgrade project 2013 - CFB boiler conversion PJT period - New flue gas cleaning system 2 years - Turbine retrofit - Optimization of the plant water/steam cycle - Integration of all activities on an EPC basis

→ Output: 100 % fuel conversion from coal to biomass PLANT LOCATION

Gardanne, Provence, France Customer ∙ Helping the customer build a cleaner, higher performance energy Benefits strategy ∙ 170MW of power with base production of more than 7,500 hours per year – corresponding to the annual electrical consumption of 440,000 households

∙ Reduction of CO2 balance by 600,000 tons per year ∙ Plant lifetime extension by 20 years ∙ Solution provided by one trusted source PROJECT STORIES BOILER UPGRADE DOOSAN POWER SERVICES

2.6 Korea Zink co. Boiler Upgrade (Korea)

Plant ∙ OEM BLR: Lurg / TBN: Fuji PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity 43.5MW x 1 Unit Korea Zink co. Boiler Upgrade ∙ Steam Condition 112.8 bar / 535°C Client ∙ Boiler CFB Korea Zink co. Contract year Customer ∙ Steam capacity increase 2014 Needs PJT period Total 10 months Scope of ∙ Boiler assessments and modelling Installation period Supply ∙ Drum capacity increase 1) 2 months ∙ FBHE evaporator capacity increase 2) ∙ Additional LTSH installation ∙ Additional economizer installation PLANT LOCATION

Ulsan, Korea Customer ∙ Boiler capacity increase: 175 T/H → 200 T/H (approx. 14% ↑) Benefits ∙ Efficiency increase - Flue gas temperature decrease

1) FBHE: Fluidized bed heat exchanger 2) LTSH: Low temperature superheater PROJECT STORIES TURBINE-GENERATOR UPGRADE DOOSAN POWER SERVICES

3.1 Sabarmati E&F TG Upgrade (India)

Plant ∙ OEM BHEL (BLR: Alstom / TBN: Skoda) PROJECT OVERVIEW Information ∙ Plant Type Subcritical coal-fired PJT title ∙ Capacity / COD 110MW x 2 Units / 1984 (#E), 1988 (#F) Sabarmati E&F TG Upgrade ∙ Boiler Conventional drum type Client ∙ Turbine TC3F – 3 Casings Torrent Power Limited ∙ Generator Water/Hydrogen cooled type Contract year 2011 Customer ∙ Performance upgrade (Output, Efficiency) Manufacturing period Needs ∙ Lifetime extension 25 months / Unit Installation period Scope of ∙ Increasing heating surface by upgrading boiler R/H tube 3 months / Unit (installation/commissioning) Supply ∙ Replacement of boiler’s inlet and outlet header ∙ Upgrading turbine steam path PLANT LOCATION - Dismantling internal parts/equipment of existing turbine - New HP, IP, LP rotor/bucket and inner casing Ahmedabad Dist. City, Gujarat State, India ∙ Replacement of generator excitation system and generator overhaul ∙ Plant C&I upgrade

Customer ∙ Capacity increase: 110MW → 121MW (10% ↑) Benefits ∙ Turbine efficiency increase (approx. 14% ↑ per unit) ∙ Lifetime extension: 15 years or more ∙ Availability and reliability improvement ∙ Reduced maintenance cost and optimized trouble-shooting ∙ Incorporation of modernized technologies PROJECT STORIES TURBINE-GENERATOR UPGRADE DOOSAN POWER SERVICES

3.2 Muja TPP Stator Rewinding (Australia)

Plant ∙ OEM Parsons (Siemens) PROJECT OVERVIEW Information ∙ Capacity / COD 250MVA x 2 Units / 1980 (#5), 1981 (#6) PJT title ∙ Voltage 16kV Muja TPP Stator Rewinding ∙ Speed 3,000rpm (50Hz) Client ∙ No. of Poles 2 Verve Energy ∙ Generator Water/Hydrogen cooled type Contract year 2011 Customer ∙ Lifetime extension Installation Needs ∙ Economical maintenance 49 days / Unit Commissioning & Training ∙ The complete rewinding of generator stator by designing, 15 days / Unit Scope of Supply manufacturing and commissioning including: - Terminal box internal part modification - Design change for cooling water piping/passage PLANT LOCATION - High-voltage bushing replacement Collie, WA, Australia - Performance test

Customer ∙ Reduced maintenance cost Benefits ∙ Design modification of cooling water system ∙ Reduced hydrogen gas leakage ∙ Simplification of overhaul procedures ∙ Retention of original characteristics with additional lifetime extension PROJECT STORIES AQCS UPGRADE DOOSAN POWER SERVICES

4.1 Orot Rabin Unit 5 & 6 FGD Add-on (Israel)

Plant ∙ Plant Type Subcritical PROJECT OVERVIEW Information ∙ Capacity 575MW x 2 PJT title ∙ Fuel Coal (1.12 % sulfur) Orot Rabin Unit 5 & 6 FGD Add-on Client Scope of ∙ FGD on a turn-key basis with equipment as follows: (Israel Electric Corporation) IEC Supply - Absorbers island Contract year - Reagent preparation system, WWTP 2010 - Limestone & gypsum handling system - Gypsum dewatering system - Electrical, instrumentation and control - Flue gas ductwork, piping

∙ FGD specifications

Scrubbing reagent Limestone

3 PLANT LOCATION Capacity 2,887,896Am /h

Hadera, Israel Inlet SO2 785ppm 95.55% SO2 removal efficiency SO2: 100mg/Nm3

No. of absorber 1 per boiler

No. of spray level 3+1

Installation PROJECT STORIES AQCS UPGRADE DOOSAN POWER SERVICES

4.2 Shinboryeong Unit 1 & 2 FGD Add-on (Korea)

Plant ∙ Plant Type Ultra supercritical PROJECT OVERVIEW Information ∙ Capacity 1,000MW x 2 Units PJT title ∙ Fuel Coal (1.3% sulfur) Shinboryeong Unit 1 & 2 FGD Add-on

Client Scope of ∙ FGD on a turn-key basis with equipment as follows KOMIPO Supply - Absorber, GGH Contract year - Limestone & gypsum handling, WWTP 2013 - Reagent preparation & gypsum dewatering - Electrical, instrumentation and control - Buildings

∙ FGD specifications

Scrubbing Reagent Limestone

Capacity 5,329,786Am3/h

PLANT LOCATION Inlet SOx 1,114ppm Shinboryeong, Korea 95.5% SOx Removal Efficiency Dust: 15mg/Sm3, SOx: 50ppm

No. of Absorber 1 per boiler

No. of Spray level 4+1

Installation