News & Events

Exchange Bulletin

Mitel Networks Corporation To Trade On Toronto Stock Exchange

June 25, 2012

Mitel Networks Corporation – An application has been granted for the original listing in the Industrial category of 67,803,653 common shares (the "Shares") of Mitel Networks Corporation (the "Company"), of which 53,603,594 are issued and outstanding and 14,200,059 are reserved for issuance.

The Shares will be listed and posted for trading at the opening of business on Wednesday, June 27, 2012.

Stock Symbol: "MNW"   CUSIP: 60671Q 10 4   Trading Currency: CDN $

Temporary Market
Maker: National Bank Financial Inc.

Other Markets: The Shares have been listed on NASDAQ Global Market since April 22, 2010 and have been trading under the symbol "MITL".

Head Office
Address: 350 Legget Drive
Ottawa, Ontario  K2K 2W7

Email Address: steve_spooner@mitel.com

Website: www.mitel.com

Head Office
Telephone Number: (613) 592-2122

Toll Free Number: 1-866-641-8082

Fax Number: (613) 591-2322

Investors Relations: Steven E. Spooner
Tel.: (613) 271-7232
Email: steve_spooner@mitel.com

Cynthia Hiponia
Tel.: (613) 592-2122, ext. 71997
Email: cynthia@blueshirtgroup.com

Incorporation: The Company was incorporated on January 12, 2001 under the Canada Business Corporation Act.

Fiscal Year End: April 30

Chief Financial Officer: Steven E. Spooner

Corporate Secretary: Gregory Hiscock

Nature of Business: The Company is a global provider of business communications solutions and services, consisting of unified communications and collaboration software applications, IP telephony platforms, mobility applications and managed and network services.

Transfer Agent &
Registrar: Computershare Investor Services Inc. at its principal office in Toronto.

Dividends: The Company does not intend to pay dividends in the foreseeable future.