MTI TECHNOLOGY CORPORATION COMPLETES ACQUISITION OF COLLECTIVE TECHNOLOGIES

Leading Information and Infrastructure Solutions Provider Significantly Expands Consulting Services Capabilities

Irvine, CA, July 10, 2006 - MTI Technology Corporation (Nasdaq Capital Market: MTIC), a multi-national information and infrastructure solutions provider, today announced it has completed its acquisition of the assets of Collective Technologies, a leading provider of enterprise-class IT infrastructure services and solutions, with over 90 consultants.

"MTI is extremely pleased to close this acquisition of Collective, which allows us to expand our consulting services organization, as well as our solutions portfolio, furthering our ability to respond to customers' requests for a single point of contact that meets their unique business needs," said Thomas P. Raimondi, Jr., president and chief executive officer for MTI. "Through this acquisition, we are continuing to deliver on our vision of transforming MTI into an industryleading infrastructure solutions provider."

As a result of this acquisition, MTI customers will now be able to take advantage of an expanded solutions and services portfolio, which includes:

• Business Continuity (Disaster Recovery and Back-up and Recovery)
• Virtualization Technology
• Infrastructure Consolidation and Migration
• Mail & Messaging
• High Density Computing
• Data Storage Solutions and Assessments
• Systems Management
• Data Management, Migration & Consolidation

MTI will operate Collective as a division of MTI, headquartered in Austin, Texas.

About MTI Technology

MTI is a leading multi-national provider of consulting services and comprehensive information infrastructure solutions for mid to large-size organizations. With more than 20 years of expertise as a technology innovator, MTI is uniquely qualified to assess, design, implement and support a broad range of information management and infrastructure initiatives. As a strategic partner of EMC (NYSE: EMC), MTI offers the best data storage, protection and management solutions available today. By employing a strategic, consultative approach, MTI provides customers with a single point of contact that eliminates complexities while delivering operational efficiencies and competitive advantages. MTI currently serves more than 3,500 customers throughout North America and Europe. Visit www.mti.com for more information. MTI is a registered trademark of MTI Technology Corporation. All other company, brand or product names are registered trademarks or trademarks of their respective holders.

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such statements contain words such as "will," "expect," "believe," or the negative thereof or comparable terminology, and may include (without limitation) information regarding the Company's expectations, goals or intentions regarding the future, including but not limited to statements regarding the Company's acquisition of Collective, the service and solutions offerings after closing, and other strengths or capabilities expected from the acquisition as well as the Company's growth path. Forward-looking statements involve certain risks and uncertainties, and actual results may differ materially from those discussed in any such statement. In particular, the Company can provide no assurances that the Company will receive the benefits anticipated from the acquisition or that service offerings will be successful. Risks that could affect forwardlooking statements also include those related to the inability to successfully integrate the operations of Collective, competition, increased costs, changes in laws and regulations, economic and capital market conditions and the effects of war, terrorist or similar activity. Additional factors that could cause actual results to differ are discussed under the heading "Risk Factors" and in other sections of the Company's Form 10-K for the year ended April 1, 2006 on file with the Securities and Exchange Commission, and in its other current and periodic reports filed from time to time with the Commission. All forward-looking statements are made as of the date hereof, based on information available to the Company as of the date hereof, and the Company assumes no obligation to update any forward-looking statement.