ADIC Files Registration Statement for Public Offering of 1,725,000 Shares of Stock.

REDMOND, Wash.--(BUSINESS WIRE)--Feb. 18, 1997--ADVANCED DIGITAL INFORMATION CORPORATION (NASDAQ/NMS Symbol:ADIC) announced that it has filed a registration statement with the Securities and Exchange Commission relating to a proposed public offering of 1,725,000 shares of common stock. Of the total, 1,700,000 shares will be offered by the Company and 25,000 shares will be offered by a selling stockholder. Hambrecht & Quist LLC will lead-manage the underwriting group and Dain Bosworth Incorporated will serve as co-manager. In addition, the underwriters will have the option to purchase up to 258,750 additional shares of common stock from the Company to cover over-allotments, if any.

The Company expects to use the proceeds for working capital and other general corporate purposes.

A copy of the prospectus relating to the offering may be obtained from Hambrecht & Quist LLC, One Bush Street, San Francisco, CA 94104 or 230 Park Avenue, New York, NY 10169 or from Dain Bosworth Incorporated, 60 South Sixth Street, Minneapolis, MN 55402.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

ADIC is a leading provider of automated tape libraries and standalone tape drives used to back up and archive electronic data in client/server network computing environments. The Company integrates proprietary electro-mechanical robotics, electronics hardware and firmware with technologically advanced tape drives manufactured by third parties to provide highly automated data storage protection. When used with third-party storage management software, the Company's products can perform sophisticated backup and archiving of electronic data residing across a complex network of PCs, workstations and servers with minimal human intervention. The Company's product family operates in both PC-based (Windows NT and Novell Netware) and UNIX environments and provides data storage capacity ranging from four gigabytes to over three terabytes.

CONTACT: Advanced Digital Information Corporation, Redmond

Peter van Oppen or Chuck Stonecipher, 206/881-8004

Internet address: [e-mail]