Mitel Calls Home With TSX Listing

OTTAWA, June 27, 2012 (GLOBE NEWSWIRE)

Mitel® (Nasdaq:MITL) (TSX:MNW), a leading provider of Unified Communications and Collaboration (UCC) software solutions, initiated the siren today at the Toronto Stock Exchange (TSX), launching trading of the company's stock under the symbol "MNW." With its corporate headquarters located in Ottawa, TSX listing is a home coming for the company that helped pioneer Canada's technology industry.

"We are excited to join TSX and expand our shareholder base to include the investment community in Canada," said Rich McBee, president and CEO of Mitel. "Mitel has a long and storied history, and the spirit of innovation and imagination that founded the company remains intact. We're looking forward to reintroducing Mitel and sharing our success."

Members of Mitel's management team were at TSX for today's event.

Click here for a photo: http://tmx.com/en/images/highRes/June27-2012.jpg

Click here for a video: http://www.youtube.com/watch?v=LWdPfofjXf0&feature=plcp

Mitel 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

Mitel (Nasdaq:MITL) (TSX:MNW) 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

Mitel and the Mitel logo are registered trademarks of Mitel Networks Corporation.

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Contact Information

Amy MacLeod (media) 613-592-2122 x71245 amy_macleod@mitel.com Malcolm Brown (industry analysts) 613-592-2122 x71246 malcolm_brown@mitel.com Cynthia Hiponia (investor relations) 613-592-2122 x71992 investorrelations@mitel.com

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