s 2012 World’s Most Ethical Companies

Marks Second Consecutive Year HDS Is Named to Prestigious List

SANTA CLARA, Calif. — March 20, 2012 — Hitachi Data Systems Corporation, a wholly owned subsidiary of Hitachi, Ltd. (NYSE: HIT/ TSE: 6501), today announced it has been recognized by the Ethisphere Institute as one of the 2012 World’s Most Ethical Companies. This marks the second consecutive year Hitachi Data Systems has been named to the prestigious list. The award features organizations that show leadership in promoting ethical business standards.

“Hitachi Data Systems strives to go beyond basic compliance requirements to demonstrate true leadership in the important field of business ethics. Employee satisfaction, profitability and ethical behavior are symbiotic components and fundamental to the ongoing success of our company,”said Jack Domme, CEO, Hitachi Data Systems. “Our ethical values strongly influence the activities and interactions our employees have with customers, partners and colleagues around the world. As an organization, we are committed to the ongoing advancement of our compliance program, and we will continue to make ethical behavior a key measure of our company’s performance.”

“A strong ethical foundation is a competitive advantage and Hitachi Data Systems recognizes the important role corporate responsibility plays in improving its bottom line,” said Alex Brigham, executive director of the Ethisphere Institute. “As more and more organizations strive for this honor each year, Hitachi Data Systems inclusion as a World’s Most Ethical Company for 2012 demonstrates its industry-leading commitment to ethics and dedication to integrity.”

Out of a record number of nominations for the award, Hitachi Data Systems secured a hard-earned spot on the list by implementing and maintaining upstanding business practices and initiatives that are instrumental to the company’s success, benefit the community and raise the bar for ethical standards within the industry.

Along with the 2012 World’s Most Ethical Companies recognition, Hitachi Data Systems was recently named one of FORTUNE Magazine’s “100 Best Companies to Work For” in 2012, named to the top 10 best places to work in the San Francisco Bay Area for the past three years, as well as a best place to work in France and Poland in 2011. The company was also named one of the 40 Best Companies for Leaders in 2012 by Chief Executive Magazine.

About Ethisphere World’s Most Ethical Companies

This is the sixth year Ethisphere, a think-tank dedicated to the creation, advancement and sharing of best practices in business ethics, corporate social responsibility, anti-corruption and sustainability, has published the WME rankings.

Through in-depth research and a multi-step analysis, Ethisphere reviewed nominations from companies in more than 100 countries and 36 industries. The methodology for the World’s Most Ethical Companies includes reviewing codes of ethics, litigation and regulatory infraction histories; evaluating the investment in innovation and sustainable business practices; looking at activities designed to improve corporate citizenship; and studying nominations from senior executives, industry peers, suppliers and customers.

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About Hitachi Data Systems

Hitachi Data Systems provides best-in-class information technologies, services and solutions that deliver compelling customer ROI, unmatched return on assets (ROA) and demonstrable business impact. With a vision that IT must be virtualized, automated, cloud-ready and sustainable, Hitachi Data Systems offers solutions that improve IT costs and agility. With more than 5,400 employees worldwide, Hitachi Data Systems does business in more than 100 countries and regions. Hitachi Data Systems products, services and solutions are trusted by the world’s leading enterprises, including more than 70 percent of the Fortune 100 and more than 80 percent of the Fortune Global 100. Hitachi Data Systems believes that data drives our world – and information is the new currency. To learn more, visit: 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 360,000 employees worldwide. Fiscal 2010 (ended March 31, 2011) consolidated revenues totaled 9,315 billion yen ($112.2 billion). Hitachi will focus more than ever on the Social Innovation Business, which includes information and telecommunication systems, power systems, environmental, industrial and transportation systems, and social and urban systems, as well as the sophisticated materials and key devices that support them. For more information on Hitachi, please visit the company's website at http://www.hitachi.com.

Press Contacts:

Hitachi Data Systems
Melissa Rossiter
(408) 970-4849
melissa.rossiter@hds.com

Lois Paul & Partners
Brandi Ellerbee
(512) 638-5327
brandi_ellerbee@lpp.com