Hitachi Data Systems Demonstrates Virtualization and Tiered Storage at Storage Networking World Spring 2006 Conference

Scott Genereux to Deliver Industry Leader Keynote Featuring Fidelity National Title Group

SANTA CLARA, Calif.—March 20, 2006—Hitachi Data Systems Corporation, the leading provider of Services Oriented Storage Solutions™ solutions and a wholly owned subsidiary of Hitachi, Ltd. (NYSE: HIT), today announced its agenda for Storage Networking World Spring 2006. Leveraging its unique controller-based virtualization, Hitachi Data Systems will demonstrate real-world tiered storage implementations as the key theme throughout the conference.

Four Hitachi Data Systems executives are speaking at the conference:

• Scott Genereux, Executive Vice President and General Manager, Worldwide Sales, Marketing and Support
  General Session Vendor Keynote: "Meeting the Challenges of Virtualization and Tiered Storage Head-On" featuring Mike Amble, director of Information Technology, Fidelity Information Services
  Tuesday, April 4, 9:30–10:00 a.m.
  Elizabeth Ballroom, Salons B-H
• Hubert Yoshida, Chief Technology Officer
  CTO Insights Panel, moderated by Geoffrey Moore, Bestselling Author of Dealing with Darwin, Crossing the Chasm, and Inside the Tornado; and Managing Director, TCG Advisors
  Wednesday, April 5, 11:30 a.m.–12:15 p.m.
  Elizabeth Ballroom, Salons B-H
• Eric A. Hibbard, CISSP, Senior Director, Data Networking Technology, Office of the CTO
  SNIA Tutorial: "Security I: Storage Security, Beyond the Introduction"
  Monday, April 3, 1:00–1:45 p.m.
• Ken Wood, Senior Director, Data and Storage Technologies
  SNIA Tutorial: "Storage Grids II: Technical Features and Possible Directions"
  Monday, April 3, 3:45–4:30 p.m.

Attendees can learn about the latest Hitachi Data Systems virtualization and tiered storage solutions at Pavilion Booth P8 and Platinum Galleria Booth PG13. Hitachi Data Systems will also be highlighting its solutions for Microsoft environments at the Microsoft Pavilion PPV 2-4 and will be demonstrating its advanced storage management and data management capabilities in the Storage Networking World Interoperability Lab.

Storage Networking World Spring 2006 takes place at the Manchester Grand Hyatt, One Market Place, San Diego, Calif. Advance registration is required at http://www.snwusa.com/.

Hitachi Data Systems leverages global R&D resources to develop storage solutions built on industry-leading technology with the performance, availability and scalability to maximize customers' ROI and minimize their risk. By focusing on the customer's perspective as we apply the best hardware, software, and services from Hitachi and our partners, we uniquely satisfy our customers' business needs.

With approximately 2,900 employees, Hitachi Data Systems conducts business through direct and indirect channels in the public, government and private sectors in over 170 countries and regions. Its customers include more than 50 percent of Fortune 100 companies. For more information, please visit our Web site at http://www.hds.com.

Hitachi, Ltd., (NYSE: HIT), headquartered in Tokyo, Japan, is a leading global electronics company with approximately 347,000 employees worldwide. Fiscal 2004 (ended March 31, 2005) consolidated sales totaled 9,027.0 billion yen ($84.4 billion). The company offers a wide range of systems, products and services in market sectors including information systems, electronic devices, power and industrial systems, consumer products, materials and financial services. For more information on Hitachi, please visit the company's Website at http://www.hitachi.com.

Hitachi Data Systems
Mary Ann Gallo
(408) 970-4836
mary.ann@hds.com

Blanc & Otus Public Relations
Aaron Grunwald
(415) 863-1214
agrunwald@blancandotus.com

© 2006, Hitachi Data Systems Corporation. Hitachi Data Systems is registered with the U.S. Patent and Trademark Office as a trademark and service mark of Hitachi, Ltd. Services Oriented Storage Solutions is a trademark of Hitachi Data Systems Corporation. All other trade names, trademarks, and service marks used herein are the rightful property of their respective owners.