Hitachi Data Systems Chief Scientist Claus Mikkelsen to Present at 36th Annual JPMorgan Technology Conference

Hitachi Data Systems Corporation (NYSE: HIT): WHO:       Claus Mikkelsen, chief scientist, Hitachi Data Systems Corporation, a wholly owned subsidiary of Hitachi, Ltd. (NYSE: HIT), and the only provider of Services Oriented Storage Solutions   WHAT: 36th Annual JPMorgan Technology Conference   WHEN: Monday, May 19 at 3:40 p.m. Eastern Standard Time   WHERE: Westin Boston Waterfront Boston, MA (Advance registration with JPMorgan is required) About Hitachi Data Systems Hitachi Data Systems Corporation provides Services Oriented Storage Solutions that enable heterogeneous storage to be dynamically provisioned according to business needs and centrally managed via industry-leading Hitachi storage virtualization software. As an integral part of the Hitachi Storage Solutions Group, Hitachi Data Systems delivers storage infrastructure platforms, storage management software, and storage consulting services through direct and indirect channels in over 170 countries and regions. Its customers include nearly 60-percent of Fortune 100 companies. For more information, visit the company's Web site at http://www.hds.com. About Hitachi, Ltd. Hitachi, Ltd., (NYSE: HIT)(TSE: 6501), headquartered in Tokyo, Japan, is a leading global electronics company with approximately 390,000 employees worldwide. Fiscal 2007 (ended March 31, 2008) consolidated revenues totaled 11,226 billion Yen ($112.2 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, logistics, materials and financial services. For more information on Hitachi, please visit the company's website at http://www.hitachi.com. © 2008, Hitachi is a registered trademark of Hitachi, Ltd. and/or its affiliates in the United States and other countries. Hitachi Data Systems is a registered trademark and service mark of Hitachi, Ltd. in the United States and other countries. All other trademarks, services marks, company names are properties of their respective owners.