ADVISORY/Hitachi Data Systems Executive Jack Domme to Speak at UBS Software & IT Services Conference

Business Wire, May 25, 2004

News Editors/Assignment Desks/High-Tech Writers

ADVISORY...for Tuesday (May 25)

UBS Software & IT Services Conference

NEW YORK--(BUSINESS WIRE)--May 25, 2004

WHO:  Jack Domme, Vice President, Storage Management Software

WHAT: Jack Domme will join a panel of industry leaders in a discussion
on storage software, entitled 'Storage: New Resource and Compliance
Tools, Back-Up to the Future.' The discussion will be moderated by UBS
analyst Dan Cummings.

TOPIC: As one of the panelists, Jack will speak to high-level storage
software market trends and drivers, current customer needs and the
importance of new technologies. The panel will also include executives
from Avamar, Princeton Softech and Veritas.

WHEN:     Tuesday, May 25, 2004 from 11:15 am - 12:05 pm est

WHERE:    Pierre Hotel

          Fifth Avenue at 61st Street

          New York City, NY

About Hitachi Data Systems

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 2,800 employees, Hitachi Data Systems conducts business through direct and indirect channels in the public, government and private sectors in over 170 countries. Its customers include more than 50 percent of Fortune 100 companies. For more information, please visit our Web site at www.hds.com.

About Hitachi, Ltd.

Hitachi, Ltd. (NYSE:HIT), headquartered in Tokyo, Japan, is a leading global electronics company, with approximately 326,000 employees worldwide. Fiscal 2003 (ended March 31, 2004) consolidated sales totaled 8,632.4 billion yen ($81.4 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 Web site at http://www.hitachi.com.