Mitel to Announce Fourth Quarter 2017 Financial Results on Thursday, February 22, 2018

OTTAWA, Ontario, Feb. 5, 2018

The company will host an investor conference call and live webcast at 8:30 a.m. ET (5:30 a.m. PT) on the same day. To access the conference call, dial 888-734-0328. Callers outside the US and Canada should dial 678-894-3054. The conference ID is 3988924. An audio replay will be accessible on Mitel's investor relations website at www.mitel.com on Thursday, February 22, 2018 after 12:00 p.m. ET.

Mitel will also host a meeting for analysts and institutional investors at the Lotte New York Palace Hotel in New York City on Tuesday, February 27, 2018.

Senior members of Mitel's management team will host a series of presentations and be available to answer analyst and investor questions.  Product demonstrations will also be a featured part of the presentation program.  The event will begin at 8:00 a.m. ET and conclude by approximately 12:30 p.m. ET.  A live audio webcast and replay of the event will be made available on the Investor Relations section of Mitel's website at www.mitel.com.  Analysts and institutional investors interested in attending should please contact Michael McCarthy, Vice President – Investor Relations.

About Mitel

A global market leader in business communications powering more than two billion business connections, Mitel (Nasdaq: MITL) (TSX:MNW) helps businesses and service providers connect, collaborate and provide innovative services to their customers. Our innovation and communications experts serve more than 70 million business users in more than 100 countries. For more information, go to www.mitel.com and follow us on Twitter @Mitel.