FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Agnes Robert Dale 2. Date of Event Requiring Statement (Month/Day/Year) 12/22/2016 3. Issuer Name and Ticker or Trading Symbol MITEL NETWORKS CORP [MITL] (Last) (First) (Middle) 350 LEGGET DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) See Remarks 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) OTTAWA, A6 K2K 2W7 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Shares 4,479 D Â

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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Options (Common Shares)	  (1)	03/05/2022	Common Shares	32,000	$ 9.7	D	Â
Options (Common Shares)	  (2)	08/14/2021	Common Shares	50,000	$ 9.96	D	Â
Restricted Stock Units	  (3)	  (3)	Common Shares	30,000	$ (3)	D	Â
Restricted Stock Units	  (4)	  (4)	Common Shares	22,650	$ (4)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Agnes Robert Dale 350 LEGGET DRIVE OTTAWA, A6 K2K 2W7	Â	Â	  See Remarks	Â

Signatures

/s/ Robert D. Agnes		12/22/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	32,000 stock options to purchase common shares ("Common Shares") of Mitel Networks Corporation (the "Company") were granted to Mr. Agnes on March 5, 2015. 2,000 options vested on June 5, 2015 and are scheduled to vest in equal installments every three months thereafter until March 5, 2019.
(2)	50,000 stock options to purchase Common Shares of the Company were granted to Mr. Agnes on August 14, 2014. 3,125 options vested on November 14, 2014 and are scheduled to vest in equal installments every three months thereafter until August 14, 2018.
(3)	Represents 30,000 Common Shares underlying 30,000 Restricted Stock Units ("RSUs") granted to Mr. Agnes on March 4, 2016. These RSUs will vest as follows: (i) 7,500 of the RSUs will vest on March 4, 2017; (ii) 7,500 of the RSUs will vest on March 4, 2018; (iii) 7,500 of the RSUs will vest on March 4, 2019; and (iv) 7,500 of the RSUs will vest on March 4, 2020.
(4)	Represents 22,650 Common Shares underlying 22,650 RSUs granted to Mr. Agnes on March 5, 2015. These RSUs will vest as follows: (i) 7,500 of the RSUs will vest on March 5, 2017; (ii) 7,500 of the RSUs will vest on March 5, 2018; and (iii) 7,500 of the RSUs will vest on March 5, 2019.
  Remarks: Mr. Agnes' title is Executive Vice President, Mitel Enterprise Division.

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