Sec Form 4 Filing - CHARBONNEAU PETER @ MITEL NETWORKS CORP - 2017-03-01

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, OTTAWA, A6 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2017 (Street) K2K2W7 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 03/01/2017 S 4,699 ( 1 ) D $ 6.67 32,275 D Common Shares 13,927 I Held By Joan Charbonneau (spouse) ( 2 ) Common Shares 2,019 I Held By The Peter Charbonneau Trust #2 ( 3 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CHARBONNEAU PETER 350 LEGGET DRIVE OTTAWA, A6 K2K2W7 X Signatures /s/ Peter Charbonneau 03/03/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This sale was made to cover taxes following the vesting of RSUs that vested on February 28, 2017. ( 2 )13,927 common shares ("Common Shares") of Mitel Networks Corporation (the "Company") are held by Mr. Charbonneau's wife, Joan Charbonneau. Mr. Charbonneau disclaims beneficial ownership of the Common Shares held by his wife 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. ( 3 )2,019 Common Shares of the Company 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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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