MTI PRESS RELEASE

FOR IMMEDIATE RELEASE

Media Relations Contact: Investor Relations Contact: PR Agency Contact:
Kevin J. Liebl Frank Yoshino Kari Garcia
Vice President, Marketing Treasurer Comm Strategies
714-693-2740 714-693-2775 949-753-9292
e-mail: kliebl@mti.com e-mail: fyoshino@mti.com e-mail: kgarcia@commstrategies.com

MTI TO RECEIVE ADDITIONAL $10 MILLION ROYALTIES UNDER ITS
1996 PATENT SALE TO EMC

ANAHEIM, Calif., May 11, 1999 -- MTI Technology Corp. (Nasdaq:MTIC) today
announced that under its 1996 patent sale agreement ("Agreement") with EMC Corp.
(NYSE:EMC), MTI will receive an additional $10 million of royalties as a result
of EMC's recently announced computer and technology pact with IBM. Pursuant to
the terms and conditions of the Agreement, MTI will receive the $10 million in
equal annual installments over the next five years, bringing the current total
amount of payments MTI will receive over the life of the Agreement to $50
million.

MTI's mission is to be the premier provider of high-performance,
cross-platform data storage management solutions for the enterprise. MTI
integrates distributed data management software, a hierarchy of modular storage
systems and on-site services to meet the mass storage needs of its customers.
Headquartered in Anaheim, Calif., the company offers services and support from
more than 40 offices in the U.S. and Europe. Authorized distributors provide
additional sales and service capabilities in Latin America and Asia/Pacific
regions. MTI may be reached by phone: 800-999-9MTI or 714-970-0300, fax:
714-693-2256 or e-mail: info@mti.com. Information can also be accessed via MTI
Online, the company's World Wide Web server on the Internet at:
http://www.mti.com.

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This press release includes forward-looking statements, including
statements regarding the company's product development plans, which are subject
to change. The actual results may differ materially from those described in any
forward-looking statement. Important factors that may cause actual results to
differ are set forth in the company's periodic filings with the U.S. Securities
and Exchange Commission.

MTI is a registered trademark of MTI Technology Corp. All other company, brand
or product names are registered trademarks or trademarks of their respective
holders. emc2