Mitel to Start Trading on TSX on June 27, 2012

June 27, 2012

Mitel (Nasdaq:MITL) (TSX:MNW), a leading provider of Unified Communications and Collaboration (UCC) software solutions, today announced that Mitel's common shares will begin trading today on the Toronto Stock Exchange (TSX) under the symbol, "MNW". The Company will not issue any additional shares in connection with the TSX listing. The Company will retain its listing on NASDAQ under the trading symbol "MITL."

About Mitel

A global market leader in business communications powering more than two billion business connections, Mitel helps businesses and service providers connect, collaborate and provide innovative services to their customers. Our innovation and communications experts serve business users in more than 100 countries. For more information, go to www.mitel.com and follow us on LinkedIn and Twitter @Mitel.

Información de contacto

Sandrine Quinton, Media

Tel: +33 (0)130-964-301

Email: [email protected]

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