Intelligent Enterprise Names DataMirror a "Company to Watch" in 2002.

Business Editors

TORONTO--(BUSINESS WIRE)--Dec. 12, 2001

Leading IT Publication Predicts DataMirror Will Have a Significant

Impact on Intelligent Enterprises

DataMirror (Nasdaq: DMCX; TSE: DMC), a leading provider of enterprise application integration and resiliency solutions, today announced that it has been selected by CMP Media's Intelligent Enterprise Magazine as a Company to Watch in 2002 in the Integration category. The 48 companies named to this list are selected by the magazine's editors after assessing a year's worth of coverage, research and reader feedback. These organizations excel at meeting the most critical demands of emerging intelligent enterprises.

"The companies that will have the greatest impact in the years to come are ones that are the most innovative and have the greatest ability to adapt quickly to meet the changing needs of the marketplace," predicts Justin Kestelyn, Editor-In-Chief, Intelligent Enterprise. "We believe that DataMirror will continue to have a strong presence in the enterprise application integration and resiliency market with its innovative solutions for enhancing real-time business communications and ensuring the resiliency of companies' valuable data assets."

"Since it was founded in 1993, DataMirror has remained a stable, profitable company and has continued to prove itself as a leader in the data integration and resiliency market," says Nigel Stokes, CEO of DataMirror. "We offer powerful and affordable software solutions with a difference that enable companies to leverage their existing technology to save time and resources by ensuring the real-time flow and accessibility of business-critical data. We are committed to delivering world famous customer experiences and this is reflected by the more than 1,500 customers implementing DataMirror solutions."

The Companies to Watch are divided into four foundation categories that are fundamental to complete IT solutions - intelligence, integration, infrastructure, and collaborative commerce. The Intelligent Enterprise editorial team selected the 48 companies based on their relevance to and potential impact on the strategic IT sector in which they are categorized. An in-depth feature about the 48 Companies to Watch will appear in the January 1, 2002 edition of Intelligent Enterprise, as well as on the Web at www.IntelligentEnterprise.com.

About Intelligent Enterprise

Intelligent Enterprise is the only IT publication focused exclusively on the most critical issue in business today: unlocking the value of collected information for competitive advantage. Intelligent Enterprise shows business and technology professionals how to plan, deploy, and manage the strategic applications their companies depend on to improve decision making, optimize business performance, and maximize the value of customer relationships. Published 18 times per year, Intelligent Enterprise provides comprehensive coverage of the technologies and practices that promote the collection, storage, analysis, and distribution of business information.

About CMP Media

CMP Media LLC (www.cmp.com) is a leading high-tech media company providing essential information and marketing services to the entire technology spectrum-the builders, sellers and users of technology worldwide. Capitalizing on its editorial strength, CMP is uniquely positioned to offer marketers comprehensive, integrated media solutions tailored to meet their individual needs. Its diverse products and services include newspapers, magazines, Internet products, research, direct marketing services, education and training, trade shows and conferences, custom publishing, testing and consulting.

About DataMirror

DataMirror (Nasdaq: DMCX; TSE: DMC) delivers solutions that let customers integrate data across their enterprises. DataMirror's comprehensive family of products unlocks the experience of now(TM) by providing advanced real-time capture, transform and flow (CTF) technology that gives customers the instant data access, integration and availability they demand today across all computers in their business.

Over 1,500 companies use DataMirror to integrate their data. Real-time data drives all business. DataMirror is headquartered in Toronto, Canada, and has offices worldwide. DataMirror has been ranked in the Deloitte and Touche Fast 500 as one of the fastest growing technology companies in North America. For more information, call 1-800-362-5955 or visit the DataMirror web site at www.datamirror.com.

  Media and Financial Contacts:  Peter Cauley                       Tracy Staniland Chief Financial Officer            Director of Marketing DataMirror Corporation             DataMirror Corporation E-mail:                            E-mail:  pcauley@datamirror.com             tstaniland@datamirror.com Phone: 800-362-5955 ext. 271       Phone: 800-362-5955 ext. 274 Fax: 905-415-0340                  Fax: 905-415-5196 

Forward-looking statements in this press release, including statements regarding DataMirror Corporation's business which are not historical facts, are made pursuant to the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements of estimates, expectations, objectives and plans (financial and otherwise). The words "anticipate", "believe", "estimate", "expect" and similar expressions are intended to identify forward-looking statements. Numerous factors affect DataMirror's operating results and could cause DataMirror's actual results to differ materially from the results indicated by this press release or by any forward-looking statements made by, or on behalf of, DataMirror, and there can be no assurance that future results will meet expectations, estimates or projections. These factors include, but are not limited to, the following: variability of quarterly operating results; dependence upon the continued growth and success of DataMirror's software products; competition; the ability to develop, market, support and acquire new products in an environment of rapidly changing technology; dependence upon continued growth in the database and enterprise data integration markets; dependence upon relationships with complementary vendors and distribution channels; the ability to recruit and retain key personnel; risks of international operations, currency exchange rate fluctuations and global economic conditions; possible software errors or defects; possible infringement claims by third parties; and other factors discussed in the Company's Annual Information Form and other periodic filings with the United States Securities and Exchange Commission and other regulatory authorities.

Copyright 2001 DataMirror Corporation. All rights reserved. DataMirror and The experience of now are trademarks or registered trademarks of DataMirror Corporation. All other brand or product names are trademarks or registered trademarks of their respective companies.