ADIC Joins Deloitte & Touche ''Technology Fast 500''; Forbes ASAP Magazine Announces Fastest Growing Technology Companies.

Business/High Tech Editors

REDMOND, Wash.--(BUSINESS WIRE)--Nov. 27, 2000

Advanced Digital Information Corporation (Nasdaq:ADIC) announced today the company's inclusion in the Deloitte & Touche annual list of fastest growing technology companies, reported in the current issue of Forbes ASAP magazine.

The Deloitte & Touche "Technology Fast 500" lists the fastest growing technology companies in the US and Canada, based on the last five year's revenues growth. ADIC, which posted a revenue increase between 1995 and 1999 of more than 600 percent, has appeared on four major "fastest growing" lists in just over a year. The Company was named to Fortune Magazine's list of the 100 Fastest-Growing Companies in America (August 2000) and to Forbes Magazine's list of "Ten Supercharged Companies Poised for Growth" (October 1999).

"ADIC successfully capitalized on the worldwide explosion of digital information," said ADIC President Chuck Stonecipher, "because of our ability to deliver the broad range of storage options required in today's Internet-fueled market, from tape libraries to storage area networks to network attached storage devices. We continue to believe that in an increasingly complex world where data and types of data are proliferating rapidly, we can continue to be successful by providing innovative solutions that help IT departments store, manage and use their data more intelligently and more easily."

"With its ranking on the prestigious Deloitte & Touche Technology Fast 500, ADIC's leaders have proven that they have the vision and the fortitude to excel in the highly competitive technology industry," said Mark A. Evans, managing director, Deloitte & Touche Technology & Communications Group. "We congratulate them on becoming one of the 500 fastest-growing technology companies in the U.S. and Canada."

The "Technology Fast 500" list appears in the current (November 27) issue of Forbes ASAP, a bimonthly publication of Forbes that covers the technology revolution and its impact on the new economy.

About ADIC

With an installed base of more than 70,000 automated libraries, innovative storage management software, Fibre Channel Storage Area Network (SAN) solutions, and Network Attach Storage (NAS) appliances, ADIC is a leading device-independent storage solutions provider to the open systems marketplace. The Company offers a broad range of products designed to enhance organizations' ability to store, protect, manage and use their rapidly growing network data. ADIC's automated storage products are available through a worldwide sales force and a global network of resellers and OEMs, including Dell, Fujitsu Siemens and IBM. Further information is available at http://www.adic.com.

ADIC is registered trademarks of Advanced Digital Information Corporation.. All other trade or service marks mentioned in this release should be considered the property of their respective owners.