Mitel to Host Analyst Day in New York City on July 6, 2011

OTTAWA, June 14, 2011 (GLOBE NEWSWIRE)

Mitel (Nasdaq:MITL), a leading provider of Unified Communications and Collaboration (UCC) software solutions, today announced that it will hold its Analyst Day at the NASDAQ MarketSite in New York City on Wednesday, July 6, 2011.

Senior members of Mitel's management team will host a series of presentations and a question and answer panel beginning at 8:45 a.m. EDT. As part of the event, product demonstrations will be available on the Mitel Freedom Tour Bus to those who attend.

A live audio webcast and replay of the event will be made available on the Investor Relations section of the Company's website at http://investor.mitel.com/. Financial analysts interested in attending should contact Alice Kousoum at Alice@blueshirtgroup.com to request an invitation.

About Mitel

Mitel (Nasdaq:MITL) is a global provider of business communications and collaboration software and services. Mitel's Freedom architecture provides the flexibility and simplicity organizations need to support today's dynamic work environment. Through a single cloud-ready software stream, Mitel delivers a powerful suite of advanced communications and collaboration capabilities that provides freedom from walled garden architectures and enables organizations to implement best-of-breed solutions on any network; extends the "in-office" experience anywhere, on any device; and offers choice of commercial options to fit business needs. For more information visit: http://www.mitel.com

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Contact Information

Scott Smith (media), 408-884-5157, ssmith@sterlingpr.com Kevin Johnson (industry analysts), 613-592-2122 x76690, kevin_johnson@mitel.com Cynthia Hiponia (investor relations), 613-592-2122 x71992, investorrelations@mitel.com

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Mitel Networks Corporation

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