DOT HILL SHIPS 20,000 UNITS OF SANNET II STORAGE SYSTEMS.

Dot Hill (NASDAQ:HILL) has shipped over 20,000 units of its rugged, compact storage systems approximately one year after introduction. Dot Hill markets its storage systems commercially under the SANnet II brand name. Select OEM and SI partners also market the products under private brands. The second generation of Dot Hill's external disk subsystems was released beginning in Q4 2002 and is the fastest growing product family in the company's history.

"We are very pleased to have reached this 20,000 unit milestone so quickly with our newest family of storage systems, and we will continue to add new members to the product line ...," said Jim Lambert, Dot Hill president and CEO. "The rapid acceptance of this latest generation of systems represents the validation and acceptance of our technology by our customers, as well as the customers of our channel partners, and underscores our excellence in development."

The SANnet II family of storage solutions provides industry leading 99.9998+ percent uptime in compact, rack-optimized packages. SANnet II brings carrier-grade reliability and enterprise-class features to open systems platforms. The common modular architecture of the SANnet II family provides seamless scalability for future growth within storage networking and direct attached environments.

All SANnet II products feature hot-swappable, field-replaceable components including drives, controllers, power supplies, fans and event monitoring units. This product line meets MIL-STD-810F standards for the U.S. Department of Defense and is certified to the telecommunications industry NEBS Level 3 standard.

Dot Hill Systems Corp. is a provider of design and delivers storage networking solutions to channel partners worldwide. Its products include the SANnet II family of storage systems, SANscape storage management software, SANpath storage networking software and professional training, support and service.

Dot Hill Systems can be found on the World Wide Web at http://www.dothill.com.

For more information, call 760/431-4483.