Exhibit 99.1

                      MTI Technology Appoints Jon Caputo as
                 Executive Vice President, Worldwide Operations

    TUSTIN, Calif.--(BUSINESS WIRE)--May 24, 2005--MTI Technology
Corporation (Nasdaq:MTIC), a leading multi-national storage solutions
and services company, today announced the appointment of Jon Caputo to
the position of Executive Vice President, Worldwide Operations. Mr.
Caputo will be responsible for MTI's U.S.-based services organization,
as well as European sales and service.
    "Jon brings to MTI a wealth of international experience as an
exceptional manager and an accomplished executive," said Tom Raimondi,
president and chief executive officer for MTI. "As we continue to
expand our presence and offerings in the storage and infrastructure
marketplace, Jon's experience and management skills will be of
tremendous value. He will be one of the primary drivers in taking our
services organization to the next level."
    Prior to joining MTI, Mr. Caputo served as Vice President of
Americas Professional Services for Sun Microsystems, Inc., a leading
provider of industrial-strength hardware, software and services. He
led the systems integration team responsible for the sale and
implementation of complex computing solutions within North, Central
and South America. Before that, Mr. Caputo was Vice President of
Customer Operations and Professional Services for New World Systems
Corporation, a software company specializing in public sector
applications. Prior to joining New World Systems, he held a number of
positions with Digital Equipment Corporation, including Vice
President, Americas Systems Integration; Vice President, Asia Pacific
Integration Services; and Director, Global Systems Integration
Business Development. Mr. Caputo has served as a member of the board
of directors for the Carnegie Group, Inc.; a member of the board of
advisors for Equinox Solutions, Inc.; and a member of the customer
advisory board for Encore Solutions.

    About MTI Technology

    MTI is a leading multi-national provider of professional services
and comprehensive data storage solutions for mid to large-size
organizations. With more than 20 years of expertise as a storage
technology innovator, MTI is uniquely qualified to assess, design,
implement and support whole-office data storage and backup
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 3,000 customers throughout North
America and Europe. Visit www.mti.com for more information.


    CONTACT: Investor Contact:
             MTI Technology Corporation
             Victor Chynoweth, 714-481-7828
             vchynoweth@mti.com
             or
             Media Contact:
             Independent Marketing
             Jamie Brown, 626-432-4594 ext. 105
             Jamie@independentmktg.com