Sec Form 4 Filing - CHARBONNEAU PETER @ MITEL NETWORKS CORP - 2018-11-30

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person CHARBONNEAU PETER 2. Issuer Name and Ticker or Trading Symbol MITEL NETWORKS CORP [ MITL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 350 LEGGET DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 11/30/2018 (Street) OTTAWA, A6K2K 2W7 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares ( 1 ) ( 2 ) 11/30/2018 D 55,301 D $ 11.15 0 D Common Shares ( 1 ) ( 2 ) 11/30/2018 D 13,927 D $ 11.15 0 I Held by Joan Charbonneau (Spouse) ( 3 ) Common Shares ( 1 ) ( 2 ) 11/30/2018 D 2,019 D $ 11.15 0 I Held By The Peter Charbonneau Trust #2 ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Options (Common Shares) $ 7.17 11/30/2018 D 10,000 03/04/2017 03/04/2023 Common Shares 10,000 ( 5 ) 0 D Options (Common Shares) $ 8.94 11/30/2018 D 10,000 12/31/2015 05/14/2022 Common Shares 10,000 ( 5 ) 0 D Options (Common Shares) $ 9.7 11/30/2018 D 1,154 03/05/2015 03/05/2022 Common Shares 1,154 ( 5 ) 0 D Options (Common Shares) $ 9.96 11/30/2018 D 4,854 11/13/2014 11/13/2021 Common Shares 4,854 ( 5 ) 0 D Options (Common Shares) $ 9.96 11/30/2018 D 4,682 08/14/2014 08/14/2021 Common Shares 4,682 ( 5 ) 0 D Options (Common Shares) $ 10.83 11/30/2018 D 4,682 05/20/2014 05/20/2021 Common Shares 4,682 ( 5 ) 0 D Options (Common Shares) $ 8.79 11/30/2018 D 4,778 02/05/2014 02/05/2021 Common Shares 4,778 ( 5 ) 0 D Options (Common Shares) $ 9.58 11/30/2018 D 4,960 12/12/2013 12/12/2020 Common Shares 4,960 ( 5 ) 0 D Options (Common Shares) $ 4.64 11/30/2018 D 6,782 09/05/2013 09/05/2020 Common Shares 6,782 ( 5 ) 0 D Options (Common Shares) $ 3.8 11/30/2018 D 10,338 07/01/2013 07/01/2020 Common Shares 10,338 ( 5 ) 0 D Options (Common Shares) $ 3.94 11/30/2018 D 10,338 03/07/2013 03/07/2020 Common Shares 10,338 ( 5 ) 0 D Options (Common Shares) $ 3.06 11/30/2018 D 10,819 12/06/2012 12/06/2019 Common Shares 10,819 ( 5 ) 0 D Options (Common Shares) $ 2.61 11/30/2018 D 10,544 09/06/2012 09/06/2019 Common Shares 10,544 ( 5 ) 0 D Options (Common Shares) $ 4.22 11/30/2018 D 10,550 06/26/2012 06/26/2019 Common Shares 10,550 ( 5 ) 0 D Options (Common Shares) $ 3.44 11/30/2018 D 8,756 03/07/2012 03/07/2019 Common Shares 8,756 ( 5 ) 0 D Options (Common Shares) $ 3.05 11/30/2018 D 8,756 12/23/2011 12/23/2018 Common Shares 8,756 ( 5 ) 0 D Restricted Stock Units ( 6 ) 11/30/2018 D 14,500 12/31/2018 ( 6 ) Common Shares 14,500 ( 6 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CHARBONNEAU PETER 350 LEGGET DRIVE OTTAWA, A6K2K 2W7 X Signatures /s/ Peter Charbonneau 12/04/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On November 30, 2018 (the "Closing Date"), MLN AcquisitionCo ULC (the "Purchaser") acquired all of the outstanding common shares of Mitel Networks Corporation (the "Issuer") under a plan of arrangement under the Canada Business Corporations Act (the "Plan of Arrangement"), and Issuer became a wholly owned subsidiary of the Purchaser, an entity currently owned and controlled by funds affiliated with Searchlight Capital Partners, L.P., a private equity investment group. ( 2 )Pursuant to the Plan of Arrangement, each common share was transferred to the Purchaser in exchange for the right to receive US$11.15 in cash, without interest and less any applicable withholding taxes. ( 3 )Mr. Charbonneau disclaims beneficial ownership of the common shares held by his spouse and this report shall not be deemed an admission that Mr. Charbonneau is a beneficial owner of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose. ( 4 )These common shares are held by the Peter Charbonneau Trust #2, of which Mr. Charbonneau is the sole trustee. Mr. Charbonneau disclaims beneficial ownership of the common shares held by the Peter Charbonneau Trust #2, except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that Mr. Charbonneau is a beneficial owner of such shares for purposes of Section 16 of the Exchange Act or for any other purpose. ( 5 )Pursuant to the Plan of Arrangement, options to purchase common shares (the "Options") were accelerated and all Options were cancelled in exchange for the right to receive an amount equal to the excess, if any, of US$11.15 over the exercise price of such option, less any applicable withholding taxes. ( 6 )Represents 14,500 common shares underlying 14,500 restricted stock units. Pursuant to the Plan of Arrangement, each restricted share unit was cancelled in exchange for the right to receive US$11.15 in cash, less any applicable withholding taxes.

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