Mitel Withdraws ShoreTel Acquisition Proposal

November 17, 2014

MitelĀ® (Nasdaq:MITL) (TSX:MNW), a global leader in business communications, today announced that it has withdrawn its proposal to acquire all outstanding shares of ShoreTel (Nasdaq:SHOR) common stock. The decision to terminate the proposal early was made in light of the repeated refusal of ShoreTel's Board of Directors to engage in discussions of any kind regarding a potential transaction.

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 Twitter @Mitel.

Mitel is the registered trademark of Mitel Networks Corporation. All other trademarks are the property of their respective owners.

Contact Information

Sandrine Quinton, Mitel

Tel: +33 1 30 96 43 01

Email: [email protected]

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