ADIC to Present at Upcoming Investor Conferences

    Business Editors/Financial Editors/Technology Editors
    RBC Capital Markets Fabric Computing Forum 2005
    7th Annual Needham Growth Conference

    REDMOND, Wash.--(BUSINESS WIRE)--Jan. 3, 2005--Advanced Digital Information Corporation (NASDAQ:ADIC) today announced that the Company will participate in two upcoming investor conferences. Peter van Oppen, Chair and CEO, and Jon Gacek, CFO and Executive VP Finance and Operations, will make a presentation regarding the Company's products and strategy at the RBC Capital Markets Fabric Computing Forum 2005 and the Seventh Annual Needham Growth Conference, both in New York. The presentations will be available via webcasts through the Company's website at www.adic.com/ir.

January 5, 2005 -- 4:05 p.m. ET/1:05 p.m. PT RBC Capital Markets Fabric Computing Forum 2005 The Plaza Hotel, New York

January 13, 2005 -- 4:30 PM ET/1:30 p.m. PT Seventh Annual Needham Growth Conference Palace Hotel, New York
    About ADIC

    Advanced Digital Information Corporation (NASDAQ:ADIC) is a leading provider of Intelligent Storage(TM) solutions to the open systems marketplace. ADIC(R) 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.(1) The Company's data management software, storage networking appliances, and disk-to-tape data protection 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 and OEMs, including Cray, Dell, EMC, Fujitsu-Siemens, HP, IBM and Sun. Further information about ADIC is available at www.adic.com.

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

--30--MRO/se*

CONTACT: ADIC Jon Gacek, 425-881-8004 or Stacie Timmermans, 425-881-8004

KEYWORD: WASHINGTON NEW YORK INDUSTRY KEYWORD: HARDWARE BANKING SOFTWARE NETWORKING TRADESHOW SOURCE: Advanced Digital Information Corporation

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