DataMirror Corporation Obtains Interim Order in Connection with Proposed Plan of Arrangement and Mails Shareholder Meeting Materials

DataMirror Corporation ("DataMirror") (TSX: DMC) announced today that it has obtained an Interim Order from the Ontario Superior Court of Justice (the "Court") approving various matters in connection with the Special Meeting of DataMirror shareholders to consider the proposed arrangement transaction with International Business Machines Corporation ("IBM") (NYSE: IBM), including the mailing of a management information circular and form of proxy. The management information circular, letter of transmittal and form of proxy have been mailed to registered shareholders today and have been posted and will be available on the SEDAR website of the Canadian Securities Administrators at www.sedar.com .

The special meeting will be held at 10:00 a.m. (Toronto time) on Friday, August 24, 2007 at The Holiday Inn Hotel & Suites, 7095 Woodbine Avenue, Markham, Ontario, Canada. If the proposed arrangement transaction is approved by not less than two-thirds of the votes cast at the special meeting by the shareholders present at that meeting or represented by proxy, then final approval will be required and sought from the Court on or about August 27, 2007. Assuming all other conditions are satisfied or waived, the arrangement transaction is currently expected to close on August 28, 2007.

About DataMirror

DataMirror (TSX: DMC), a leading provider of real-time data integration, protection and event detection solutions, improves the integrity and reliability of information across all of the systems that create and store data. DataMirror's flexible and affordable integration solutions allow customers to easily and continuously detect, translate, and communicate all information changes throughout the enterprise. DataMirror helps customers make better decisions by providing access to the continuous, accurate information they need to take timely action and move forward faster.

More than 2,200 companies have gained tangible competitive advantage from DataMirror software. DataMirror is headquartered in Markham, Canada, and has offices around the globe. For more information, visit www.datamirror.com .

Note to Readers: This news release contains certain statements that constitute forward-looking information within the meaning of applicable Canadian securities laws ("forward-looking statements"). Forward-looking statements also include, without limitation, statements regarding expectations, beliefs, intentions, circumstances or strategies regarding the future and all statements regarding possible events, conditions or results of operations that are based on assumptions about future economic conditions and courses of action. Such forward-looking statements involve known and unknown risks, uncertainties and other factors including but not limited to DataMirror's ability to close the arrangement transaction in the time period anticipated, if at all, which is dependent upon the parties' ability to receive the requisite regulatory approvals and to comply with the closing conditions to the transaction, some of which are beyond the control of DataMirror and IBM. These forward-looking statements speak only as of the date on which they are made, are not guarantees of future performance, and involve certain risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results could materially differ from what is expressed, implied, or forecasted in such forward-looking statements. Forward-looking statements are based on management's current plans, estimates, projections, beliefs and opinions.

Contacts: DataMirror Corporation Peter Cauley Chief Financial Officer (905) 415-0310 ext. 271 Email: pcauley@datamirror.com DataMirror Corporation Jennifer St.Louis Manager of Marketing (905) 415-0310 ext 196 Email: jlouis@datamirror.com Website: www.datamirror.com