| Information contained in the news releases are current 
as of the date of the press announcement, but may be subject to change without 
prior notice. | 
 
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 December 28, 2005 | 
 
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Dr. Kanai, Hitachi's Chairman Emeritus (and Former Chairman of the Board), to Receive Honorary Citizen Award from Singaporean Government | 
 
  
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Hitachi, Toshiba and Renesas Start Joint Study on Semiconductor Foundry Business | 
 
  
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Hitachi Sold Shares of Subsidiaries | 
 
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 December 22, 2005 | 
 
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Hitachi Air Conditioning Systems and Hitachi Home & Life Solutions to Merge and Strengthen Sales Capabilities | 
 
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 December 15, 2005 | 
 
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Hitachi Announces Changes to Top Managements | 
 
  
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Hitachi to Make Hitachi Mobile a Wholly-Owned Subsidiary | 
 
  
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Approval of Director Candidates and Executive Officers for Hitachi Plant Technologies | 
 
  
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Hitachi and Hitachi Plant Sign Corporate Split Agreement | 
 
  
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Hitachi Plant, Hitachi Kiden and Hitachi Industries Sign Merger Agreement | 
 
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 December 13, 2005 | 
 
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Hitachi and Renesas Technology Develop Low-Power MOS Phase-Change Memory Cells for On-Chip Memory of Microcontrollers | 
 
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 December 8, 2005 | 
 
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Mechanism influencing DRAM cell retention time fluctuation clarified | 
 
  
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Hitachi Data Systems Names Eckhard Pfeiffer to Executive Advisory Board | 
 
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 November 8, 2005 | 
 
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HITACHI LAUNCHES SERVER BUSINESS IN NORTH AMERICA | 
 
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 November 1, 2005 | 
 
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A new low power SRAM circuit reducing standby leakage current to 1/100th | 
 
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 October 31, 2005 | 
 
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Financial Results for the Half Year Ended September 30, 2005 | 
 
  
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Appointment of President and Name for New Integrated Company to Run Hitachi Group's Social and Industrial Infrastructure Systems Business | 
 
  
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Hitachi Establishes 'Hitachi Global Solutions Center' in India | 
 
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 October 24, 2005 | 
 
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Hitachi Plant, Hitachi Kiden, Hitachi Industries and Related Hitachi Divisions to Integrate to Strengthen Social and Industrial Infrastructure Systems Business | 
 
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 October 18, 2005 | 
 
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Adjustment to the Conversion Price of Series A Zero Coupon Convertible Bonds due 2009. | 
 
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 October 17, 2005 | 
 
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Hitachi develops grip-type finger vein authentication technology | 
 
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 October 11, 2005 | 
 
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Hitachi to Expand Finger Vein Authentication System Business on a Global Basis | 
 
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 September 27, 2005 | 
 
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3D Visualization of amplitude and phase of high-speed optical signals | 
 
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 September 15, 2005 | 
 
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Hitachi Announces Interim Dividend for Fiscal 2005 | 
 
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 September 13, 2005 | 
 
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Hitachi Sells Shares of Elpida Memory | 
 
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 September 5, 2005 | 
 
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Hitachi and The Hitachi Foundation Announce Support to Aid Victims of Hurricane Katrina and Affected Areas | 
 
  
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Hitachi and Clarion to Begin Collective Purchasing in Car Information Systems Business | 
 
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 August 30, 2005 | 
 
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Hitachi Announces Policy for Shares of Elpida Memory | 
 
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 August 23, 2005 | 
 
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First overseas operation and maintenance service of pumping station ordered in Egypt | 
 
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 August 19, 2005 | 
 
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BREAKTHROUGH IN DEVELOPMENT OF QUANTUM COMPUTERS | 
 
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 August 9, 2005 | 
 
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HIMD and Wharton School to Team Up to Provide Executive Management Program for High-Potential Middle Managers | 
 
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 August 4, 2005 | 
 
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MHI and Hitachi Reach New Agreement on Multifaceted Collaboration In Air-Conditioning and Refrigeration Operations | 
 
  
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Hitachi Announced  the issuance of unsecured straight bonds | 
 
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 July 28, 2005 | 
 
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Consolidated Financial Results for the First Quarter Ended June 30, 2005 | 
 
  
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Issue of Stock Acquisition Rights as Stock Options | 
 
  
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Hitachi Announces New Executive Officer and the Management Changes | 
 
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 July 20, 2005 | 
 
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Hitachi Becomes the First Japanese Company to Receive TSA Certification for Explosives Trace Detection System | 
 
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 July 19, 2005 | 
 
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Hitachi Introduces 667MHz FSB Intel® Itanium® 2 Processor-based Blade Servers | 
 
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 July 15, 2005 | 
 
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Successful imaging of brain activity after alcohol intake using Optical Topography Cerebral blood volume differences observed following visual stimulation depending on genotype-based alcohol sensitivity | 
 
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 July 14, 2005 | 
 
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Low-power-consumption semiconductor laser diode for 10 Gbps metropolitan area optical transmission | 
 
  
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Hitachi to Hold "Greener!" Show Featuring Environmental Themes, EMIEW and a Clown for Guests Waiting to Enter the Hitachi Group Pavilion The 2005 World Exposition, Aichi, Japan | 
 
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 July 8, 2005 | 
 
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Hitachi Revises System for Visiting the Hitachi Group Pavilion The 2005 World Exposition, Aichi, Japan | 
 
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 July 7, 2005 | 
 
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Hitachi and Kabira Announce Joint Product Development | 
 
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 June 22, 2005 | 
 
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Hitachi Establishes Hitachi Plasma Patent Licensing Co., Ltd. | 
 
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 June 17, 2005 | 
 
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Renesas Technology and Hitachi Develop High-Speed Programming Technologies for Multilevel AG-AND Flash Memories | 
 
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 June 15, 2005 | 
 
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0.4-V DRAM array technology using twin cells for next generation mobile devices | 
 
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 June 9, 2005 | 
 
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Hitachi Sues Taiwanese Monitor Manufactures for Patent Infringement | 
 
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 June 1, 2005 | 
 
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Hitachi and Renesas Technology Develop Through-Hole Electrode Technology to Enable Interconnection of Stacked Chips at Room Temperature | 
 
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 May 27, 2005 | 
 
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Fujitsu Hitachi Plasma Display to Ramp Up Production Capacity | 
 
   
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Hitachi, Ltd., Hitachi Data Systems and IBM Extend Interoperability for Storage Systems, Servers and Software | 
 
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 May 23, 2005 | 
 
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Hitachi and Clarion Agree to Strengthen Ties to Expand Car Information Systems Business | 
 
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 May 13, 2005 | 
 
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Hitachi Group will Hold 60% Shares of Joint Ventures in Thailand to Strengthen the Elevator and Escalator Business | 
 
   
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HITACHI MAKES EXECUTIVE APPOINTMENTS TO ACCELERATE HARD DISK DRIVE BUSINESS GROWTH | 
 
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 April 28, 2005 | 
 
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Financial Results for the Year Ended March 31, 2005 | 
 
   
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Hitachi Announces New Directors | 
 
   
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Hitachi to Grant Incentive Stock Options | 
 
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 April 26, 2005 | 
 
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Hitachi acquires "M/Chip 4 for MULTOS" payment application license from MasterCard | 
 
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 April 25, 2005 | 
 
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Hitachi Communication Technologies, Ltd. and Hitachi, Ltd. Complete Asset Acquisition of U.S.'s Salira Optical Network Systems to Strengthen Development of Optical Access Systems Business | 
 
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 April 21, 2005 | 
 
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Hitachi Goes Global for "War of the Worlds" | 
 
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 April 20, 2005 | 
 
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Agreement on Joint Study of Ubiquitous Service Platform | 
 
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 April 11, 2005 | 
 
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Hitachi to Post Extraordinary Items on Unconsolidated Basis in Fiscal 2004 | 
 
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 April 6, 2005 | 
 
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Hitachi Responds to Specific Media Reports | 
 
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 April 5, 2005 | 
 
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HITACHI LAYS GROUNDWORK FOR 20-GB MICRODRIVE WITH CENTURY-OLD TECHNOLOGY | 
 
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 April 1, 2005 | 
 
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HITACHI WINS SIX FUEL GAS DESULPHURISATION (FGD) ORDERS WORTH TOTAL OF C€90 MILLION FROM SPANISH AND PORTUGUESE ELECTRICITY COMPANIES | 
 
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 March
25, 2005 | 
 
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Hitachi Agrees to Acquire Fujitsu Hitachi Plasma Display Shares and Plasma Technology Patents | 
 
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 March
15, 2005 | 
 
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Hitachi Develops a Robot that has the Capabilities for Daily Life and that Moves in Response to Dialogs with People: | 
 
   
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Hitachi Announces the Year-end Dividend for Fiscal 2004 | 
 
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 March
2, 2005 | 
 
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HITACHI FIRST TO DEVELOP INTEL(R) ITANIUM(R) 2 PROCESSOR CHIPSETS SUPPORTING FSB SPEEDS OF 667MHZ AND HITACHI'S VIRTUALIZATION FEATURE WITH INTEL(R) VIRTUALIZATION TECHNOLOGY. | 
 
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 February
28, 2005 | 
 
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Hitachi Announces New Executive Officers | 
 
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 February
16, 2005 | 
 
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New DRAM circuit design approach for gigabit-era DRAM | 
 
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 February
10, 2005 | 
 
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Development of world's first RFID sensor chip for DNA analysis | 
 
   
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Development of a highly accurate calibration system for PLL circuit miniaturization | 
 
   
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Development of embedded SRAM technology with 0.8V operation voltage | 
 
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 February
7, 2005 | 
 
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Hitachi and Panasonic Agree on Comprehensive Collaboration in Plasma Display Business | 
 
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 February
2, 2005 | 
 
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Hitachi to Increase Share in Fujitsu Hitachi Plasma Display | 
 
   
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Consolidated Financial Results for the Third Quarter of Fiscal 2004 | 
 
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 February
1, 2005 | 
 
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BREAKTHROUGH DISCOVERY IN A SEMICONDUCTOR CHIP | 
 
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