Ownership Submission
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 OF SECURITIES

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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
McAnuff Colin Ross
  2. Issuer Name and Ticker or Trading Symbol
MITEL NETWORKS CORP [MITL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
See Remarks
(Last)
(First)
(Middle)
350 LEGGET DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
11/30/2018
(Street)

OTTAWA, A6 K2K 2W7
4. If Amendment, Date Original Filed(Month/Day/Year)
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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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   6,089 D $ 11.15 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)
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
Restricted Stock Units (3) 11/30/2018   D     10,000   (3)   (3) Common Shares 10,000 (7) 0 D  
Restricted Stock Units (4) 11/30/2018   D     10,125   (4)   (4) Common Shares 10,125 (7) 0 D  
Restricted Stock Units (5) 11/30/2018   D     20,000   (5)   (5) Common Shares 20,000 (7) 0 D  
Restricted Stock Units (6) 11/30/2018   D     500   (6)   (6) Common Shares 500 (7) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
McAnuff Colin Ross
350 LEGGET DRIVE
OTTAWA, A6 K2K 2W7
      See Remarks  

Signatures

 /s/ Colin Ross McAnuff   12/04/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(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) Represents 10,000 common shares underlying 10,000 restricted stock units (each an "RSU") granted on November 9, 2016. These RSUs would have vested annually in two equal installments starting on November 9, 2019 (each a "Non-Exercisable RSU").
(4) Represents 10,125 common shares underlying 10,125 RSUs granted on March 1, 2017. As of the Closing Date, all of these RSUs were Non-Exercisable RSUs and would have vested in three equal installments annually starting March 1, 2019.
(5) Represents 20,000 common shares underlying 20,000 RSUs granted on February 28, 2018. As of the Closing Date, all of these RSUs were Non-Exercisable RSUs and would have vested in four equal installments annually starting February 28, 2019.
(6) Represents 500 common shares underlying 500 RSUs granted on May 9, 2018. As of the Closing Date, all of these RSUs were Non-Exercisable RSUs and would have vested in four equal installments annually starting May 9, 2019.
(7) Pursuant to the Plan of Arrangement, each Non-Exercisable RSU was cancelled in exchange for the right to receive US$11.15 in cash, less any applicable withholding taxes, following the date such Non-Exercisable RSUs would have vested in accordance with their terms, subject to the Reporting Person's continued employment through such date.
 
Remarks:
Vice President, Corporate Treasurer

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.