ADIC Manufacturing Facility Earns ISO 14001 and OHSAS 18001 Certifications

REDMOND, Wash.--(BUSINESS WIRE)--June 15, 2005--Advanced Digital Information Corporation (Nasdaq:ADIC), the leader in Intelligent Storage(TM) solutions for the open systems market, today announced its Denver manufacturing facility has been certified as meeting the requirements for ISO 14001 and OHSAS 18001 standards. The certifications are part of ADIC's ongoing effort to ensure that its facilities and practices meet all appropriate US and international environmental, health, and safety management standards.

ISO 14001 is a voluntary standard developed to promote a common, international approach to environmental management and emphasize resource efficiency and cleaner production. Meeting the requirements for ISO 14001 requires implementation of environmental policies, planning, training, awareness, and operational control. End users buying products from ISO 14001 certified facilities can be assured they have been manufactured in accordance with internationally accepted standards of environmental management and with minimal impact on the environment.

The OHSAS 18001 standard is a comprehensive Occupational Health and Safety (OHS) Management System specification designed to promote a safe and healthy environment. Compliance with the OHSAS 18001 standard enables ADIC to reduce potential risks for employees, partners, and customers, manage liability, and stay in compliance with legal requirements.

"Earning both the ISO 14001 and OHSAS 18001 certifications demonstrates ADIC's innovative and forward-thinking approach to business," says Don Martella, Vice President of Quality at ADIC. "Practicing higher environmental and safety standards is the responsible way to do business, and enables us to better serve our customers, partners and employees."

ADIC is also ISO 9001 certified for its quality management system.

About ADIC

Advanced Digital Information Corporation (Nasdaq:ADIC) is a leading provider of Intelligent Storage(TM) solutions to the open systems marketplace. ADIC is the world's largest supplier of automated tape systems using the drive technologies most often employed for backing up open system, client-server networks.(a) The Company's data management software, storage networking appliances, and disk-based backup and restore solutions provide IT managers innovative tools for storing, managing and protecting their most valuable digital assets in a variety of disk and tape environments. ADIC storage products are available through a worldwide sales force and a global network of resellers, OEMs and partnerships, including Apple, Cray, Dell, EMC, Fujitsu-Siemens, HP, IBM and Sun. Further information about ADIC is available at www.adic.com.

(a) Market Share: Gartner Dataquest, Tape Automation Systems Market Shares, 2003, F. Yale, April 2004. ADIC, Scalar, and FastStor are registered trademarks, and Intelligent Storage is a trademark, of Advanced Digital Information Corporation. All other trade or service marks mentioned in this document should be considered the property of their respective owners.