TOSHIBA s Nuclear Energy Activities

December 12, 2010 IGARASHI, Yasuharu Toshiba Corporation, Executive Officer Corporate Senior Vice President President & CEO, Power Systems Company Export Control No. PSN-2010-1406 Document No. G3-1109 Rev. 1 The 2 nd Japan-Arab Economic Forum Dec 11-12. 2010, Tunis, Tunisia TOSHIBA s Nuclear Energy Activities (C)Copyright TOSHIBA CORPORATION 2010 1/20

Contents Corporate Overview TOSHIBA s Nuclear Business Nuclear Power Plant Construction Front-end and Fast Reactor 2/20

TOSHIBA s Profile Established In 1875 by TANAKA Hisashige President and CEO SASAKI Norio Employees Approx 204,000 Worldwide * Total Assets US$ 58,615 million * Shareholder s Equity US$ 8,575 million * Paid-in Capital US$ 4,730 million * * As of March 31, 2010 / fiscal year 2009 ended March 31, 2010, consolidated basis, 1USD= 93, for convenience only TOSHIBA building (Headquarter) < Digital Products Group > Visual Products Company Storage Products Company Digital Products and Network Company President and CEO Toshiba TEC Corporation < Electronic Devices Components Group > Semiconductor Company Toshiba Mobile Display Co., Ltd < Infrastructure Systems Group > Power Systems Company Transmission Distribution and Industrial Systems Company Social Infrastructure Systems Company Toshiba Elevator and Building Systems Corporation Toshiba Solutions Corporation SASAKI Norio Toshiba Medical Systems Corporation <Home Appliances Group> Toshiba Consumer Electronics Holdings Corporation (C)Copyright TOSHIBA CORPORATION 2010 3/20

TOSHIBA s Products Home Appliances Social Infrastructure 5% 8% 34% 34% 19% As of 2010.March 31, consolidated basis The 2nd JAEF 2010 Digital Products Electronic Devices (C)Copyright TOSHIBA CORPORATION 2010 4/20

TOSHIBA s Social Infrastructure Products Thermal Turbine Renewable Energy Photovoltaic Power System Geothermal Power System Fuel Cell Hydro Turbine Rechargeable Battery Power Plant Nuclear Power System Smart Grid Monitor and Control Elevator Industrial Systems Medical System Transmission and Distribution Transmission system Transformer Network Control System Transport Control System (C)Copyright TOSHIBA CORPORATION 2010 5/20

TOSHIBA s Activities in Arab Area Lebanon: Thermal Power : 4 Units 130MW Egypt: Thermal Power : 6 Units 1,764MW Hydro Power : 4 Units Generator 300MVA Rolling Stock TV Factory TOSHIBA Gulf: UAE (Dubai) UAE (Abu Dhabi) (Cairo) Iraq: Hydro Power : 4 Units Hydraulic Turbine 796MW 4 Units Generator 948MVA Kuwait: Thermal Power : 22 Units 4,470MW Bahrain: Thermal Power : 1 Unit 65MW UAE : Thermal Power : 4 Units 968MW + Desalination Plant Egypt (C)Copyright TOSHIBA CORPORATION 2010 6/20

TOSHIBA s Nuclear Business Domain BWR: ABWR PWR: AP1000 Uranium/ Fuel Manufacturing Courtesy of TEPCO LWR Construction Courtesy of JAEA and ITER Organization LWR Maintenance Services Nuclear Fusion Nuclear Fuel Cycle Hydrogen Production Fast Reactor/ Next Generation Reactor From nuclear power plants to future energy development LWR:Light Water Reactor (C)Copyright TOSHIBA CORPORATION 2010 (A)BWR : (Advanced) Boiling Water Reactor 7/20 PWR:Pressurized Water Reactor

TOSHIBA s Construction Experiences The world record of shortest construction period of 36 months Construction of the first domestic plant KASHIWAZAKI-6/7 The first ABWR in the world(k-6) Constructed plants Under construction OHMA-1 (ABWR) HAMAOKA-5 Tohoku, HIGASHIDORI-1 ONAGAWA-3 KASHIWAZAKIKARIWA-7 (ABWR) KASHIWAZAKIKARIWA-6 (ABWR) ONAGAWA-2 HAMAOKA-4 KASHIWAZAKIKARIWA-3 KASHIWAZAKIKARIWA-2 HAMAOKA-3 FUKUSHIMAⅡ-3 ONAGAWA-1 KASHIWAZAKIKARIWA-1 FUKUSHIMAⅡ-1 HAMAOKA-2 FUKUSHIMAⅠ-6 FUKUSHIMAⅠ-5 HAMAOKA-1 Entered business in 1966, FUKUSHIMAⅠ-3 constructed 22 units, including FUKUSHIMAⅠ-2 FUKUSHIMAⅠ-1 17 units as prime contractor TSURUGA-1 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Continuous and rich construction experiences (C)Copyright TOSHIBA CORPORATION 2010 8/20

TOSHIBA Group s Nuclear Power Plant Business ABWR BWR Business Only generation Ⅲ reactor in operation with U.S. NRC design certification TOSHIBA group s construction experiences 112 plants in 10 countries worldwide (26 BWR plants, 86 PWR plants) U.S. Japan Sweden Korea Spain PWR Business (C)Copyright TOSHIBA CORPORATION 2010 U.S.NRC: U.S. Nuclear Regulatory Commission 9/20 62 21 10 6 5 Switzerland Finland Slovenia Brazil Taiwan AP1000 Only generation Ⅲ+ evolutional reactor with U.S. NRC design certification Source : World Nuclear Power Plants 2010, Japan Atomic Industrial Forum Promote both BWR & PWR worldwide 2 2 1 1 2

TOSHIBA Group Global Network WEC Sweden TOSHIBA Isogo Nuclear Vasteras Engineering Center Yokohama WEC Pittsburgh TANE Washington DC WEC San Jose The 2nd JAEF 2010 TANE Charlotte As of Sep.2010 70 bases in 16 countries for nuclear business, sales & marketing, engineering, procurement & construction WEC: Westinghouse Electric Company (C)Copyright TOSHIBA CORPORATION 2010 10/20 TANE:TOSHIBA America Nuclear Energy

ABWR : Proven with Much Experience Only generation III advanced reactor in operation The latest and proven BWR to receive Design Certification from U.S.NRC The first unit started commercial operation in 1996 37 months of construction period in Japan No significant impacts by large earthquake 4 units in operation, 2 units under construction, 8 units planning in Japan ABWR construction schedule in Japan ABWR in Japan Source: World Nuclear Power Plants 2010, Japan Atomic Industrial Forum, Inc. 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 SHIMANE-3 OHMA-1 TEPCO/HIGASHIDORI-1 FUKUSHIMA-7 FUKUSHIMA-8 KAMINOSEKI-1 TEPCO/HIGASHIDORI-2 HAMAOKA-6 Under construction Planning TOHOKU/HIGASHIDORI-2 KAMINOSEKI-2 ABWR : Advanced Boiling Water Reactor (C)Copyright TOSHIBA CORPORATION 2010 PWR:Pressurized Water Reactor 11/20

ABWR Project Status in U.S. South Texas Project 3 & 4 Licensing processes are smoothly proceeding U.S.NRC certified TOSHIBA as an ABWR provider (Aug. 2009) Renewal and amendment of ABWR Design Certification (Nov.2010) Satisfies U.S.NRC safety requirements Digital I & C platform Airplane impact analysis Project Schedule for STP-3 & 4 2007 2008 EPC Contract COLA rev.0 rev.1 rev.2 Prior Engineering 2009 2010 2011 2012 2013 Issuance of COL rev.5 2016 Certified as ABWR Start Construction Commercial Operation start provider by NRC Amend D.C. Application rev.3 rev.4 Engineering and Procurement Bay City TX Completion drawing of STP3&4 Construction (C)Copyright TOSHIBA CORPORATION 2010 I & C:Instrumentation & Control 12/20

ABWR Promotion in Europe Finland 6 Modification for European safety requirements Promoting EU-ABWR to Finland and other EU countries 2 site of DiP completed in Finland Satisfies EU safety requirements Aircraft crash protection Severe accident mitigation system Core catcher and PCCS TOSHIBA test facilities Test Facility for Core Catcher (Sector model) Test Facility for PCCS The 2nd JAEF 2010 EU-ABWR DiP: Decision in Principle (C)Copyright TOSHIBA CORPORATION 2010 13/20 PCCS: Passive Containment Cooling System

AP1000 TM : Evolutional Plant Only generation III + evolutional reactor Simplified plant design Fewer components contribute to lower cost and shorter construction period Licensed passive safety system Using natural circulation, gravity, convection and compressed gas 4 units under construction, 6 units engineering proceeding 14 units COLA submitted in U.S. 50% Fewer Safety Valves 35% Fewer Pumps The 2nd JAEF AP1000 TM 2010 80% Less Safety Pipe 45% Less Seismic Building Volume Compared to Conventional PWR 70% Less Cable (C)Copyright TOSHIBA CORPORATION 2010 14/20

AP1000 TM Construction Status in China Sanmen and Haiyang Construction proceeding on schedule 4 units under construction First concrete pouring Sanmen Site in Apr. 2009 Haiyang Site in Sep. 2009 Commercial operation starts in 2013 2007 2008 2009 2010 2011 2012 2013 2014 2015 Sanmen 1 Haiyang 1 Sanmen 2 Haiyang 2 P. R. China AP1000 TM Haiyang Sanmen (C)Copyright TOSHIBA CORPORATION 2010 15/20

AP1000 TM Licensing Status Licensing are steadily proceeding in U.S. US-NRC Design Certification in Jan. 2006 Customer s COL Vogtle 3&4 / Summer 2&3 granted Oct.-Dec. 2011 2011 2012 2013 2014 2015 2016 2017 2018 2019 Vogtle-3 Summer-2 Vogtle-4 Summer-3 Oconee Bellefonte Summer Vogtle Licensing progress in UK Under the process of reviewing by Nuclear Directorate of UK idac in June 2011 Courtesy of Southern Electric Company Davie Harris W.S.Lee Levy Turkey Point COL: Combined Construction and Operating License (C)Copyright TOSHIBA CORPORATION 2010 idac : interim Design Acceptance Confirmation 16/20

TOSHIBA Group Provide Total Service Front-end capabilities acquired Uranium resources Participation in Kharasan Agreement with Uranium One Enrichment investment in USEC Fuel fabrication Acquired SFL (U.K. fuel supply company) Supply chain Formation of a new joint venture (A-UAM) The 2nd Fabrication Enrichment Uranium Production Uranium Product Sales Fuel Components Fabrication Conversion, Reconversion and Fabrication JAEF 2010 Reconversion and Fabrication SFL:Springfields Fuel,Ltd (C)Copyright TOSHIBA CORPORATION 2010 17/20 A-UAM:Advance Uranium Asset Management

TOSHIBA s Fast Reactor Development FR key component development Verification by TOSHIBA test facility Electro-Magnetic Pump Electro-Magnetic flow-meter Small FR 4S Super-Safe, Small and Simple Feature 2 types of Output : 10MWe, 50MWe No refueling for 30 years * High security, safeguards Application High temperature steam supply Sea water desalination Hydrogen production Largest sodium test facility in Japanese private company * In case of 10MWe (C)Copyright TOSHIBA CORPORATION 2010 FR:Fast Reactor 18/20 4S

Summary TOSHIBA has been providing thermal, hydraulic power plants and transmission and distribution systems in Arab area. TOSHIBA will contribute to environment and energy security in Arab area by delivering nuclear energy systems as global eco-company. TOSHIBA, including group company Westinghouse Electric, leads the global nuclear industry with capabilities in both BWR and PWR. (C)Copyright TOSHIBA CORPORATION 2010 19/20

(C)Copyright TOSHIBA CORPORATION 2010 20/20