OTTAWA, Ontario, Nov. 2, 2017 /PRNewswire/ -- Mitel® (Nasdaq:MITL) (TSX:MNW), a global leader in business communications, today announced financial results for the third quarter ended September 30, 2017.

"Mitel delivered solid financial results in what was a very busy quarter for the company. Enterprise customers transitioning to the cloud helped push our cloud bookings up over 30% to a new record while revenues grew 24% on an as-reported basis. With the completion of the ShoreTel acquisition, we significantly accelerated our cloud strategy, moving Mitel firmly into the #2 position in the UCaaS market on a worldwide basis," said Rich McBee, Chief Executive Officer. "With the integration process well under way, we believe that the combined company is ideally positioned to leverage our global scale and strength, and market leading positions in Europe and North America to take customers to the cloud any way they want - leveraging on-site investments, a hybrid solution, or straight to the cloud."

As Reported Financial Highlights from Continuing Operations



             in millions                     Q3 2017             Q3 2016

       (except per share data)
       ----------------------

             Historical                     Constant
              Currency                     Currency(1)
              --------                     ----------

    GAAP Revenues                      $241.5         $234.5         $239.1
    -------------                      ------         ------         ------

    GAAP Net Income (Loss)            ($26.8)         $33.8          $34.9
    ---------------------              ------          -----          -----

    Non-GAAP Net Income(2)              $20.2          $14.9          $16.0
    ---------------------               -----          -----          -----

    GAAP EPS - basic                  ($0.23)         $0.28          $0.29
    ----------------                   ------          -----          -----

    Non-GAAP EPS(3)                     $0.16          $0.12          $0.13
    --------------                      -----          -----          -----

    Adjusted EBITDA4                    $34.2          $27.3          $28.4
    ----------------                    -----          -----          -----



    1 - Constant currency is a non-GAAP
     measure that adjusts Q3-2016 results
     by using the same foreign currency
     exchange rates as in Q3-2017. See
     "Non-GAAP Financial Measurements"
     below.

    2 -- Non-GAAP Net Income is a non-
     GAAP measure defined as Net Income
     (Loss), adjusted for items as noted in
     the table included in this press
     release under "Reconciliation of Net
     Income (Loss) to Non-GAAP Net Income
     (Loss)". See "Non-GAAP Financial
     Measurements" below.

    3 - Non-GAAP EPS (earnings per share),
     or Non-GAAP net income per common
     share, is a non-GAAP measure defined
     as Non-GAAP Net Income divided by
     weighted average number of common
     shares outstanding, fully diluted.  See
     the table included in this press
     release under "Reconciliation of Net
     Income (Loss) to Non-GAAP Net Income
     (Loss)." See "Non-GAAP Financial
     Measurements" below.

    4 - Adjusted EBITDA is a non-GAAP
     measure defined as Net Income (Loss),
     adjusted for items as noted in the
     table included in this press release
     under "Reconciliation of Net Income
     (Loss) to Adjusted EBITDA". See "Non-
     GAAP Financial Measurements" below.

"Cost reduction actions initiated earlier in the year enabled us to close the September quarter with a strong liquidity position," commented Steve Spooner, Chief Financial Officer. "In conjunction with the closing of the ShoreTel acquisition, we put in place a debt structure that enables Mitel to maintain the flexibility we need to run the business and execute on our long-term growth strategy. Strong demand for our debt offering enabled us to obtain excellent terms, which exceeded our expectations."

Business Highlights


    --  Recurring cloud seats surpassed the 1,000,000 seat milestone.
    --  Mitel was named as a Visionary in the 2017 Gartner Magic Quadrant for
        UCaaS published in August and again ranked highest among vendors for the
        hybrid UC requirement use case in the Gartner Critical Capabilities for
        UCaaS published in October.
    --  Mitel was selected by Dollar Tree to roll out UCaaS services for 6,000
        users with total contract value of $2.4 million over 36 months.
    --  Westcon-Comstor Launched Mitel Cloud Communications for Small and Medium
        Enterprises in Australia
    --  Mitel displaced the incumbent to win a major contract in France with
        Airbus valued in excess of 7 million Euros.

Business Outlook

Mitel has set the following financial performance guidance for the quarter ending December 31, 2017.



                                       Q4-2017 Guidance
                                      ----------------

    Non-GAAP Revenues(1)                  $335 million to $360 million

    Non-GAAP Gross Margin %(1)                          56.5% to 58.5%

    Adjusted EBITDA %(2)                                14.0% to 18.0%

    Non-GAAP Net Income(2)                               8.0% to 11.0%

    Diluted Share count                                    123,500,000



    1 - Non-GAAP Revenues and Non-GAAP
     Gross Margins exclude purchase
     accounting adjustments.
     Reconciliations between Non-GAAP
     Revenues and Non-GAAP Gross Margin %
     and the most comparable financial
     measures calculated in accordance with
     GAAP have not been provided because
     such reconciliations are not available
     without unreasonable efforts. More
     specifically, purchase accounting
     adjustments are not available without
     unreasonable efforts due to their high
     variability, complexity and low
     visibility due to the recent nature of
     the ShoreTel acquisition.  We expect
     the adjustments to have a significant,
     and potentially unpredictable, impact
     on our future GAAP financial results.

    2 - A reconciliation between the
     Business Outlook for Q4-2017 on a
     GAAP and non-GAAP basis is provided
     in the table entitled "Reconciliation
     of Guidance-Non-GAAP Net Income and
     Adjusted EBITDA to GAAP Net Income
     (Loss), before income taxes" located
     in the tables at the end of this
     release.

Conference Call Information

Mitel will host an investor conference call and live webcast on Thursday, November 2, 2017 at 8:30 a.m. ET (5:30 a.m. PT) to discuss its financial results for the third quarter ended September 30, 2017. To access the conference call, dial 888-734-0328. Callers outside the U.S. and Canada should dial 678-894-3054. The live webcast will be accessible on Mitel's investor relations website at www.mitel.com. It will be archived and available on this site for replay on or about Thursday, November 2, 2017 after 12:00 p.m. ET. We have also provided a slide deck to help illustrate our financial results. It has been posted on www.mitel.com. Our Form 10-Q is expected to be filed with the SEC on or before November 2, 2017 and will include our complete financial results for the quarter ended September 30, 2017.

Non-GAAP Financial Measurements

This press release includes references to non-GAAP financial measures including non-GAAP revenue, non-GAAP gross margins, Adjusted EBITDA, non-GAAP net income, non-GAAP EPS (earnings per share) or non-GAAP net income per common share and Constant Currency. Non-GAAP financial measures do not have any standardized meaning and are therefore unlikely to be comparable to similar measures presented by other companies. We use these non-GAAP financial measures to assist management and investors in understanding our past financial performance and prospects for the future, including changes in our operating results, trends and marketplace performance, exclusive of unusual events and other factors which do not directly affect what we consider to be our core operating performance. Non-GAAP measures are among the primary indicators management uses as a basis for our planning and forecasting of future periods. Investors are cautioned that non-GAAP financial measures should not be relied upon as a substitute for financial measures prepared in accordance with U.S. generally accepted accounting principles. Please see the reconciliations of non-GAAP financial measures to the most directly comparable U.S. GAAP measure attached to this release.

Forward Looking Statements

Some of the statements in this communication 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 believe, 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 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, operational and other factors. Any changes in these assumptions or other factors could cause actual results to differ materially from current expectations. All forward-looking statements attributable to Mitel, or persons acting on its behalf, are expressly qualified in their entirety by the cautionary statements set forth in this paragraph. Undue reliance should not be placed on such statements. In addition, material risks that could cause actual results to differ from forward-looking statements include: the inherent uncertainty associated with financial or other projections; the integration of Mitel and ShoreTel and the ability to recognize the anticipated benefits from the acquisition of ShoreTel; the anticipated size of the markets and continued demand for Mitel and ShoreTel products and services; the impact of competitive products and pricing and disruption to the combined business that could result from the acquisition of ShoreTel; access to available financing on a timely basis and on reasonable terms; risks associated with the non-cash consideration received by Mitel in connection with the divestment of Mitel's mobile division; Mitel's ability to achieve or sustain profitability in the future; fluctuations in quarterly and annual revenues and operating results; fluctuations in foreign exchange rates; current and ongoing global economic instability, political unrest and related sanctions; intense competition; reliance on channel partners for a significant component of sales; dependence upon a small number of outside contract manufacturers to manufacture products; and, Mitel's ability to successfully implement and achieve its business strategies, including its growth of the company through acquisitions and the integration of recently acquired businesses and realization of synergies, including the acquisition of ShoreTel. Additional risks are described under the heading "Risk Factors" in Mitel's Annual Report on Form 10-K for the year ended December 31, 2016 filed with the SEC and Canadian securities regulatory authorities on March 1, 2017 and in Mitel's Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 to be filed with the SEC and Canadian securities regulatory authorities. Forward-looking statements speak only as of the date they are made. Except as required by law, Mitel has no 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.

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.

Mitel is the registered trademark of Mitel Networks Corporation.

All other trademarks are the property of their respective owners.

MITL-F



    Contact Information


    Media and Industry Analysts

    Amy MacLeod

    613-691-3317

    amy.macleod@mitel.com


    Investors

    Michael McCarthy

    469-574-8134

    michael.mccarthy@mitel.com


                          CY16           CY16           CY17           CY17           CY17

                           Q3             Q4             Q1             Q2             Q3

    Total Cloud Seats          2,654,978      3,090,361      3,263,255      3,439,959      3,877,805

    Recurring Cloud Seats        494,302        543,725        588,460        665,616      1,025,106
    ---------------------        -------        -------        -------        -------      ---------


                                                             MITEL NETWORKS CORPORATION

                                                        SUMMARY CONSOLIDATED BALANCE SHEETS

                                                            (in millions of US dollars)

                                                                    (unaudited)


                                                                                            September 30,          December 31,

                                                                                                              2017                  2016
                                                                                                              ----                  ----


    ASSETS

    Current assets:

    Cash and cash equivalents                                                                                $55.4                 $97.3

    Accounts receivable                                                                                      216.4                 186.3

    Sales-type lease receivables                                                                               4.5                   5.8

    Inventories                                                                                              106.9                  74.9

    Other current assets                                                                                      81.6                  57.7

    Assets of component held for sale, current                                                                   -                121.3


                                                                                                             464.8                 543.3

    Non-current portion of sales-type lease receivables                                                        4.9                   6.7

    Deferred tax asset                                                                                       131.5                 185.2

    Property and equipment                                                                                    54.7                  39.1

    Identifiable intangible assets                                                                           410.8                 100.4

    Goodwill                                                                                                 549.0                 346.3

    Other non-current assets                                                                                  30.7                   7.9

    Assets of component held for sale, non-current                                                               -                332.5


                                                                                                          $1,646.4              $1,561.4
                                                                                                          ========              ========


    LIABILITIES AND SHAREHOLDERS' EQUITY

    Current liabilities:

    Accounts payable and accrued liabilities                                                                $292.5                $200.6

    Current portion of deferred revenue                                                                      154.9                  88.0

    Current portion of long-term debt                                                                         16.5                  38.9

    Liabilities of component held for sale, current                                                              -                 58.3
                                                                                                               ---                 ----


                                                                                                             463.9                 385.8

    Long-term debt                                                                                           615.8                 547.1

    Long-term portion of deferred revenue                                                                     59.1                  39.4

    Deferred tax liability                                                                                    10.3                  10.0

    Pension liability                                                                                        148.7                 145.5

    Other non-current liabilities                                                                             30.5                  25.9

    Liabilities of component held for sale, non-current                                                          -                 24.8
                                                                                                               ---                 ----


                                                                                                           1,328.3               1,178.5


    Shareholders' equity                                                                                     318.1                 382.9
                                                                                                             -----                 -----


                                                                                                          $1,646.4              $1,561.4
                                                                                                          ========              ========


             MITEL NETWORKS CORPORATION
    SUMMARY STATEMENT OF OPERATIONS INFORMATION
            (in millions of US dollars)
                    (unaudited)





                                                           Quarter Ended                         Quarter Ended                 Nine Months Ended                Nine Months Ended
                                                         September 30, 2017                   September 30, 2016              September 30, 2017               September 30, 2016
                                                        (US GAAP, except as                  (US GAAP, except as             (US GAAP, except as              (US GAAP, except as
                                                        indicated otherwise)                 indicated otherwise)            indicated otherwise)             indicated otherwise)
                                                        -------------------                  -------------------             -------------------              -------------------





    Revenues                                                                 $241.5                         $234.5                           $703.2                            $727.8

    Cost of revenues                                                                 108.5                           109.8                            321.6                               336.1
                                                                                     -----                           -----                            -----                               -----

    Gross Margin                                                                     133.0                           124.7                            381.6                               391.7
                                                                                     -----                           -----                            -----                               -----


    Expenses (income):

                                                Selling, general and administrative     84.0                            82.9                            255.0                               255.6

                                                Research and development                22.5                            23.0                             67.8                                74.7

                                                 Special charges and restructuring
                                                 costs                                  35.7                            20.8                             56.4                                57.8

                                                 Amortization of acquisition-
                                                 related intangible assets               8.5                             9.5                             25.7                                26.3

                                                 Income from termination fee
                                                 received                                  -                         (60.0)                               -                             (60.0)

                                                                                     150.7                            76.2                            404.9                               354.4
                                                                                     -----                            ----                            -----                               -----


    Operating income (loss)                                                         (17.7)                           48.5                           (23.3)                               37.3

    Interest expense                                                                 (3.3)                          (3.9)                           (9.0)                             (12.7)

    Debt retirement and other
     debt costs                                                                   -                         (0.4)                          (18.0)                            (2.1)

    Other income (expense)                                                           (1.1)                            1.3                            (1.0)                                2.0
                                                                                      ----                             ---                             ----                                 ---

    Income (loss) from continuing
     operations, before income
     taxes                                                                          (22.1)                           45.5                           (51.3)                               24.5

    Current income tax recovery
     (expense)                                                                         1.9                             1.2                            (1.5)                              (2.0)

    Deferred income tax recovery
     (expense)                                                                       (6.6)                         (12.9)                             6.2                               (1.4)
                                                                                      ----                           -----                              ---                                ----

    Net income (loss) from
     continuing operations                                                          (26.8)                           33.8                           (46.6)                               21.1

    Net loss from discontinued
     operations                                                                   -                         (8.7)                           (1.4)                           (29.2)
                                                                                ---                          ----                             ----                             -----

    Net income (loss)                                                       $(26.8)                         $25.1                          $(48.0)                           $(8.1)
                                                                             ======                          =====                           ======                             =====


    Non-GAAP measures:
    ------------------

    Adjusted EBITDA from
     continuing operations                                                    $34.2                          $27.3                            $84.2                             $86.9

    Adjusted EBITDA from
     discontinued operations                     $                                -                          $7.2                          $(12.2)                            $19.1

    Adjusted EBITDA                                                           $34.2                          $34.5                            $72.0                            $106.0


    Non-GAAP net income from
     continuing operations                                                    $20.2                          $14.9                            $48.0                             $47.6

    Non-GAAP net income from
     discontinued operations                     $                                -                          $0.1                          $(12.7)                           $(1.5)

    Non-GAAP net income                                                       $20.2                          $15.0                            $35.3                             $46.1


                                                         MITEL NETWORKS CORPORATION
                                                            Cash flow information
                                                         (in millions of US dollars)
                                                                 (unaudited)


                                 Quarter Ended             Quarter Ended                  Nine Months Ended           Nine Months Ended
                              September 30, 2017         September 30, 2016              September 30, 2017          September 30, 2016
                              ------------------         ------------------              ------------------          ------------------




    Cash provided by (used
     in):

    Net cash provided by
     (used in) operating
     activities                                    $27.9                           $29.7                       $29.6                        $62.5

    Net cash provided by
     (used in) investing
     activities                                  (405.5)                          (4.6)                     (77.1)                      (11.9)

    Net cash provided by
     (used in) financing
     activities                                    380.9                          (12.9)                      (3.5)                      (67.8)

    Effect of exchange rate
     changes on cash balances                        1.3                           (0.1)                        5.6                        (1.1)

    Net increase (decrease)
     in cash and cash
     equivalents                                     4.6                            12.1                      (45.4)                      (18.3)


    Cash and cash
     equivalents, beginning
     of period                                      50.8                            61.2                       100.8                         91.6


    Cash and cash
     equivalents, end of
     period                                        $55.4                           $73.3                       $55.4                        $73.3
                                                   =====                           =====                       =====                        =====


                                  MITEL NETWORKS CORPORATION
                                   Revenue and Gross Margin
                                  (in millions of US dollars)
                                          (unaudited)




                             Quarter Ended                       Quarter Ended          Nine Months Ended         Nine Months Ended
                          September 30, 2017                  September 30, 2016        September 30, 2017        September 30, 2016
                          ------------------                  ------------------        ------------------        ------------------


    Revenues

    Enterprise - Product                           $142.8                        $141.4                    $421.7                    $438.3

    Enterprise - Services                            62.7                          64.1                     183.6                     204.2

    Cloud - Recurring                                36.0                          29.0                      97.9                      85.3
                                                     ----                          ----                      ----                      ----

    Total revenues                                 $241.5                        $234.5                    $703.2                    $727.8
                                                   ======                        ======                    ======                    ======


    Gross margin

    Enterprise - Product                            $81.9                         $80.2                    $236.8                    $253.3

    Enterprise - Services                            33.0                          29.7                      95.6                      96.0

    Cloud - Recurring                                18.1                          14.8                      49.2                      42.4
                                                     ----                          ----                      ----                      ----

    Total gross margin                             $133.0                        $124.7                    $381.6                    $391.7
                                                   ======                        ======                    ======                    ======


                                                                                   MITEL NETWORKS CORPORATION
                                                                     Reconciliation of Net Income (Loss) to Adjusted EBITDA
                                                                                   (in millions of US dollars)
                                                                                           (unaudited)


                                            Quarter Ended                                  Quarter Ended                     Nine Months Ended           Nine Months Ended
                                          September 30, 2017                            September 30, 2016                  September 30, 2017          September 30, 2016
                                          ------------------                            ------------------                  ------------------          ------------------




    Net income (loss)                                        $(26.8)                                              $25.1                        $(48.0)                      $(8.1)

    Net loss from discontinued operations                          -                                                8.7                            1.4                         29.2

    Net income (loss) from continuing
     operations                                               (26.8)                                               33.8                         (46.6)                        21.1

    Adjustments:

    Interest expense                                             3.3                                                 3.9                            9.0                         12.7

    Income tax expense (recovery)                                4.7                                                11.7                          (4.7)                         3.4

    Amortization and depreciation                               13.2                                                14.3                           39.1                         41.1

    Foreign exchange loss (gain)                                 1.3                                               (1.1)                           2.9                        (1.5)

    Special charges and restructuring
     costs                                                      35.7                                                20.8                           56.4                         57.8

    Stock-based compensation                                     3.1                                                 3.5                           10.8                         10.2

    Debt retirement and other debt costs                           -                                                0.4                           18.0                          2.1

    Income from termination fee received
     and other                                                 (0.3)                                             (60.0)                         (0.7)                      (60.0)
                                                                ----                                               -----                           ----                        -----

    Adjusted EBITDA from continuing
     operations                                                 34.2                                                27.3                           84.2                         86.9

    Adjusted EBITDA from discontinued
     operations(1)                                                 -                                                7.2                         (12.2)                        19.1
                                                                 ---                                                ---                          -----                         ----

    Adjusted EBITDA                                            $34.2                                               $34.5                          $72.0                       $106.0
                                                               =====                                               =====                          =====                       ======



    (1)              The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Adjusted
                     EBITDA from
                     discontinued
                     operations
                     for the three
                     months ended
                     September 30,
                     2016 consists
                     of interest
                     expense of
                     $5.5 million,
                     income tax
                     recovery of
                     $3.8 million,
                     amortization
                     and
                     depreciation
                     of $11.7
                     million,
                     special
                     charges and
                     restructuring
                     costs of $1.7
                     million and
                     stock-based
                     compensation
                     of $0.8
                     million. The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Adjusted
                     EBITDA from
                     discontinued
                     operations
                     for the nine
                     months ended
                     September 30,
                     2016 consists
                     of interest
                     expense of
                     $16.5
                     million,
                     income tax
                     recovery of
                     $12.2
                     million,
                     amortization
                     and
                     depreciation
                     of $34.7
                     million,
                     special
                     charges and
                     restructuring
                     costs of $5.8
                     million,
                     stock-based
                     compensation
                     of $2.3
                     million and
                     purchase
                     accounting
                     adjustments
                     of $1.2
                     million. The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Adjusted
                     EBITDA from
                     discontinued
                     operations
                     for the nine
                     months ended
                     September 30,
                     2017 consists
                     of interest
                     expense of
                     $3.7 million,
                     income tax
                     recovery of
                     $6.6 million
                     and a gain on
                     disposal of
                     $7.9 million.


                                                                                 MITEL NETWORKS CORPORATION
                                                              Reconciliation of Net Income (Loss) to Non-GAAP Net Income (Loss)
                                                                    (in millions of US dollars, except per share amounts)
                                                                                         (unaudited)


                                     Quarter Ended                                    Quarter Ended                              Nine Months Ended            Nine Months Ended
                                   September 30, 2017                              September 30, 2016                           September 30, 2017           September 30, 2016
                                   ------------------                              ------------------                           ------------------           ------------------



    Net income (loss)                                 $(26.8)                                                $25.1                                  $(48.0)                       $(8.1)

    Net loss from discontinued
     operations                                             -                                                  8.7                                      1.4                          29.2
                                                          ---                                                  ---                                      ---                          ----

    Net income (loss) from
     continuing operations                             (26.8)                                                 33.8                                   (46.6)                         21.1

    Income tax expense (recovery)                         4.7                                                  11.7                                    (4.7)                          3.4
                                                          ---                                                  ----                                     ----                           ---

    Net income (loss) from
     continuing operations, before
     income taxes                                      (22.1)                                                 45.5                                   (51.3)                         24.5


    Adjustments:

    Foreign exchange loss (gain)                          1.3                                                 (1.1)                                     2.9                         (1.5)

    Special charges and
     restructuring costs                                 35.7                                                  20.8                                     56.4                          57.8

    Stock-based compensation                              3.1                                                   3.5                                     10.8                          10.2

    Amortization of acquisition-
     related intangibles assets                           8.5                                                   9.5                                     25.7                          26.3

    Debt retirement and other debt
     costs                                                  -                                                  0.4                                     18.0                           2.1

    Income from termination fee
     received and other                                 (0.3)                                               (60.0)                                   (0.7)                       (60.0)

    Non-GAAP net income from
     continuing operations, before
     income taxes                                        26.2                                                  18.6                                     61.8                          59.4

    Non-GAAP tax expense(1)                             (6.0)                                                (3.7)                                  (13.8)                       (11.8)
                                                         ----                                                  ----                                    -----                         -----

    Non-GAAP net income from
     continuing operations                               20.2                                                  14.9                                     48.0                          47.6

    Non-GAAP net income (loss)
     from discontinued
     operations(2)                                          -                                                  0.1                                   (12.7)                        (1.5)
                                                          ---                                                  ---                                    -----                          ----

    Non-GAAP net income                                 $20.2                                                 $15.0                                    $35.3                         $46.1
                                                        =====                                                 =====                                    =====                         =====


    Non-GAAP net income (loss) per
     share, diluted:

    Non-GAAP net income per common
     share, continuing operations                       $0.16                                                 $0.12                                    $0.38                         $0.38

    Non-GAAP net income (loss) per
     common share, discontinued
     operations                         $                   -                            $                       -                                 $(0.10)                      $(0.01)

    Non-GAAP net income per common
     share                                              $0.16                                                 $0.12                                    $0.28                         $0.37

    Weighted-average number of
     common shares outstanding,
     fully diluted (in millions):                       122.8                                                 125.9                                    124.7                         125.5



    (1)              Non-GAAP tax
                     expense is
                     based on an
                     effective tax
                     rate of 23%
                     for the
                     quarter ended
                     September 30,
                     2017 and
                     approximately
                     20% for all
                     prior
                     periods.

    (2)              The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Non-GAAP net
                     income from
                     discontinued
                     operations
                     for the
                     quarter ended
                     September 30,
                     2016 consists
                     of
                     amortization
                     of
                     acquisition-
                     related
                     intangible
                     assets of
                     $10.1
                     million,
                     special
                     charges and
                     restructuring
                     costs of $1.7
                     million,
                     stock-based
                     compensation
                     of $0.8
                     million and
                     income tax
                     recovery of
                     $3.8 million.



                    The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Non-GAAP net
                     loss from
                     discontinued
                     operations
                     for the Nine
                     Months ended
                     September 30,
                     2017 consists
                     of
                     amortization
                     of
                     acquisition-
                     related
                     intangible
                     assets of
                     $nil, special
                     charges and
                     restructuring
                     costs of
                     $nil, stock-
                     based
                     compensation
                     of $nil,
                     income tax
                     recovery of
                     $3.4 million
                     and a gain on
                     the sale of
                     the business
                     of $7.9
                     million.



                    The
                     reconciliation
                     of net loss
                     from
                     discontinued
                     operations to
                     Non-GAAP net
                     loss from
                     discontinued
                     operations
                     for the Nine
                     Months ended
                     September 30,
                     2016 consists
                     of
                     amortization
                     of
                     acquisition-
                     related
                     intangible
                     assets of
                     $30.3
                     million,
                     special
                     charges and
                     restructuring
                     costs of $5.8
                     million,
                     stock-based
                     compensation
                     of $2.3
                     million,
                     income tax
                     recovery of
                     $11.9 million
                     and purchase
                     accounting
                     adjustments
                     of $1.2
                     million.


                                                                                         MITEL NETWORKS CORPORATION
                                                                                         Reconciliation of Guidance
                                                           Non-GAAP Net Income and Adjusted EBITDA to GAAP Net Income (Loss), before income taxes
                                                                                         (in millions of US dollars)
                                                                                                 (unaudited)


                                                                                                                                                  As a percentage of
                                                                                                                                                   Non-GAAP Revenue
                                                                                                                                                   ----------------


    Non-GAAP net income                                                                                                                                                 8.0% - 11.0%

    Non-GAAP tax expense(1)                                                                                                                                          (3.0%) - (2.0%)
                                                                                                                                                                      --------------

    Non-GAAP net income, before income taxes                                                                                                                           10.0% - 14.0%

    Adjustments(2):

    Special charges and restructuring costs(3)                                                                                                                         10.0% - 11.0%

    Stock-based compensation                                                                                                                                                    1.0%

    Amortization of acquisition-related intangibles assets                                                                                                               6.5% - 7.0%


    Net income (loss), before income taxes(4)                                                                                                                        (9.0%) - (3.5%)
                                                                                                                                                                      ==============


    Adjusted EBITDA                                                                                                                                                    14.0% - 18.0%

    Adjustments(2):

    Interest expense                                                                                                                                                            3.0%

    Amortization and depreciation                                                                                                                                        7.5% - 8.0%

    Special charges and restructuring costs(3)                                                                                                                         10.0% - 11.0%

    Stock-based compensation                                                                                                                                                    1.0%


    Net income (loss), before income taxes(4)                                                                                                                        (9.0%) - (3.5%)
                                                                                                                                                                      ==============



    (1) Non-GAAP tax expense is based on an estimated
     effective tax rate of 23%.

    (2) Adjustments for foreign exchange, purchase
     accounting adjustments and debt retirement costs
     are not available without unreasonable efforts
     and are excluded from the reconciliation due to
     the high variability, complexity and low
     visibility.  We expect the adjustments to have a
     significant, and potentially unpredictable,
     impact on our future GAAP financial results.

    (3) The amount and timing of special charges and
     restructuring costs depend on several factors,
     including future revenue levels, opportunities
     for operating efficiencies, and the size and
     timing of acquisition activities.  As a result,
     we expect the charges to have a significant, and
     potentially unpredictable, impact on our future
     GAAP financial results.

    (4) The guidance reconciliations above reconcile
     to GAAP net income (loss), before income taxes,
     as opposed to GAAP net income (loss), because
     income tax expense (recovery) guidance is not
     available without unreasonable efforts due to the
     high variability, complexity and low visibility
     of the Company's quarterly income tax provision.
     We expect income tax expense (recovery) to have a
     significant, and potentially unpredictable,
     impact on our future GAAP financial results.

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SOURCE Mitel