HILL (MM)

Dot Hill Systems Corp. (Nasdaq:HILL), a trustedsupplier of innovative enterprise-class storage systems, today announced it has signed an agreement with Arrow Electronics, Inc.

Arrow's OEM Computing Solutions business will utilize Dot Hill AssuredSAN® OEM storage systems within their OEM solutions throughout Europe, the Middle East and Africa (EMEA), significantly expanding Dot Hill's reach to systems integrators that architect solutions to key vertical market customers. Arrow will offer Dot Hill's full line of AssuredSAN storage arrays, including the company's 3004, 4004 and 6004 models.

"Vertical OEMs and 'white box' system builders require access to reliable storage solutions that can be customized to complement their systems," said Garrett Wein, vice president of worldwide OEM Sales, Dot Hill. "Arrow's OEM Computing Solutions business is an ideal go-to-market partner for Dot Hill because the two companies are focused on delivering flexible, robust solutions coupled with value-added services to a common set of vertical markets including aerospace & defense, industrial automation, security, broadcast, healthcare, transportation and telecommunications."

Arrow has a unique combination of suppliers that complement Dot Hill's OEM storage line. With a combination of value-added services, logistics, engineering services, finance models and integration facilities in seven regions, Arrow's OEM Computing Solutions business provides OEMs and systems integrators with access to complete solutions.

With fully redundant and hot-swappable components, Dot Hill AssuredSAN storage solutions provide easy serviceability, resulting in lower support costs throughout the life of the product. Backed by an industry-best 37-month "bumper-to-bumper" warranty, AssuredSAN storage solutions are available with the latest high-bandwidth interfaces, including 12Gb SAS, 16Gb Fibre Channel, 10Gb iSCSI or dual personality 16Gb Fibre Channel/10Gb iSCSI.

All highly reliable AssuredSAN systems deliver proven 99.999 percent availability and feature platinum-rated power supplies. AssuredSAN arrays meet both NEBS Level 3 carrier and MIL-STD government requirements. In the telecommunications market segment, NEBS equipment is required to meet carrier grade environmental standards for the highest possible reliability and availability.

About Dot Hill

Leveraging its proprietary Assured family of storage solutions, Dot Hill solves many of today's most challenging storage problems – helping IT to improve performance, increase availability, simplify operations, and reduce costs. Dot Hill's solutions combine breakthrough software with the industry's most flexible and extensive hardware platform and automated management to deliver best-in-class solutions. Headquartered in Longmont, Colo., Dot Hill has offices and/or representatives in China, Germany, India, Japan, Singapore, the United Kingdom, and the United States.

For more information, visit us at www.dothill.com.

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Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act. Because such statements are subject to risks and uncertainties, actual results may differ from those expressed or implied by the statements. For a discussion of risks and uncertainties that Dot Hill may face, please consult the Forms 10-K and 10-Q most recently filed with the Securities and Exchange Commission by Dot Hill. Forward-looking statements speak only as of the date they were made and Dot Hill undertakes no obligation to update such statements to reflect changes in circumstances. Dot Hill is not responsible for statements made by third parties, such as statements of Arrow OCS.

CONTACT: Steve Sturgeon 
         Lutz PR (for Dot Hill Systems)
         858-472-5669
         steve@lutzpr.com
         
         Company Contact:
         Ruth Macdonald
         Dot Hill Systems
         303-845-3364
         ruth.macdonald@dothill.com