Previously Announced Mitel and Aastra Merger Nearing Completion

Previously Announced Mitel and Aastra Merger Nearing Completion

OTTAWA and TORONTO, Jan. 27, 2014 (GLOBE NEWSWIRE) -- In a market update
today, Mitel Networks Corporation (Nasdaq:MITL) (TSX:MNW) and Aastra
Technologies Limited (TSX:AAH) confirmed that, further to the announcement on
November 11, 2013 of Mitel's intention to merge withAastra, the parties now
expect to close the transaction on or aboutJanuary 31, 2014, subject to the
satisfaction or waiver of remaining closing conditions.

As previously announced, in conjunction with the transaction, Mitel has
received term loan and revolving credit facility commitments from Jefferies
Finance LLC and the Toronto-Dominion Bank of up to $405 million to both
refinance its existing first lien and second lien credit facilities and to
assist in financing the cash consideration for the merger with Aastra. Mitel
expects to complete this financing concurrently with the merger.

Upon completion of the transaction, Mitel intends to change its fiscal
year-end to December 31. Mitel would expect to then file a transition report
on Form 10-K for the eight-month period covering May 1, 2013 to December 31,
2013.Mitel then expects to report its first quarter for the combined company
for the three-month period ending March 31, 2014 in early May 2014.The
details will be confirmed at a later date.

About Mitel

Mitel® (Nasdaq:MITL) (TSX:MNW) is a global provider of unified communications
and collaboration (UCC) software, solutions and services that enable
organizations to conduct business anywhere, over any medium with the device of
their choice. Through a single cloud-ready software stream, Mitel's Freedom
architecture provides customers in over 100 countries the flexibility and
simplicity needed to support today's dynamic work environment. For more
information visit www.mitel.com.

About Aastra Technologies Limited

Aastra Technologies Limited (TSX:AAH) is a global company at the forefront of
the Enterprise Communication market. Headquartered in Concord, Ontario,
Canada, Aastra develops and delivers innovative and integrated solutions that
address the communication needs of businesses small and large around the
world. Aastra enables Enterprises to communicate and collaborate more
efficiently and effectively by offering customers a full range of open
standard IP-based and traditional communications solutions, including
terminals, systems, and applications. For additional information on Aastra
visit http://www.aastra.com

Forward Looking Statements

Some of the statements in this press release are forward-looking statements
(or forward-looking information) within the meaning of applicable U.S. and
Canadian securities laws. These include statements using the words target,
outlook, may, will, should, could, estimate, continue, expect, intend, plan,
predict, potential, project and anticipate, and similar statements which do
not describe the present or provide information about the past. There is no
guarantee that the expected events or expected results will actually occur.
Such statements reflect the current views of management of Mitel and Aastra
and are subject to a number of risks and uncertainties. These statements are
based on many assumptions and factors, including general economic and market
conditions, industry conditions, corporate approvals, regulatory approvals,
operational factors and other factors. Any changes in such assumptions or
factors could cause actual results to differ materially from current
expectations. All forward-looking statements attributable to Mitel and Aastra,
or persons acting on their behalf, and are expressly qualified in their
entirety by the cautionary statements set forth in this paragraph. Undue
reliance should not be placed on such statements. Forward-looking statements
speak only as of the date they are made. In addition, material risks that
could cause results of operations to differ include the merged company's
ability to achieve or sustain profitability in the future; fluctuations in the
quarterly and annual revenues and operating results; fluctuations in foreign
exchange rates; current and ongoing global economic instability; intense
competition; reliance on channel partners for a significant component of
sales; dependence upon a small number of outside contract manufacturers to
manufacture products; the ability to successfully integrate the acquisition
and realize certain synergies; and, our ability to implement and achieve our
business strategies successfully. Additional risks are described under the
heading "Risk Factors" in Mitel's Annual Report on Form 10-K and Aastra's
Annual Information Form and risks related to the acquisition can be found in
the Aastra's management proxy circular, dated December 11, 2013, furnished by
Mitel on Electronic Data-Gathering, Analysis, and Retrieval (EDGAR) and filed
by Aastra on System for Electronic Document Analysis and Retrieval (SEDAR).
Except as required by law, we do not have any intention or obligation to
update or to publicly announce the results of any revisions to any of the
forward-looking statements to reflect actual results, future events or
developments, changes in assumptions or changes in other factors affecting the
forward-looking statements. You are advised, however, to consult any further
public disclosures made by Mitel and Aastra on related subjects in reports and
communications filed on EDGAR or SEDAR.

MITL-F

CONTACT: Amy MacLeod (media),
         613-592-2122 x71245,
         amy_macleod@mitel.com
         Malcolm Brown (industry analysts),
         613-592-2122 x71246, malcolm_brown@mitel.com
         Michael McCarthy (investor relations),
         469-574-8134, michael_mccarthy@mitel.com
        
         Aastra:
         Allan Brett, CFO,
         905-760-4160,
         abrett@aastra.com
         John Tobia, General Counsel,
         905-760-4240, jtobia@aastra.com

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