Statement of Changes in Beneficial Ownership (4)

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
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Mays Sandra	2. Issuer Name and Ticker or Trading Symbol Zayo Group Holdings, Inc. [ ZAYO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CIO
(Last) (First) (Middle) 1821 30TH STREET, UNIT A	3. Date of Earliest Transaction (MM/DD/YYYY) 3/9/2020
(Street) BOULDER, CO 80301 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	3/9/2020		D⁽¹⁾		68212	D	⁽¹⁾	0	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾	3/9/2020		D			29761	⁽²⁾	⁽²⁾	Common Stock	29761	⁽²⁾	0	D
Restricted Stock Units	⁽³⁾	3/9/2020		D			9642	⁽³⁾	⁽³⁾	Common Stock	9642	⁽³⁾	0	D
Restricted Stock Units	⁽⁴⁾	3/9/2020		D			15149	⁽⁴⁾	⁽⁴⁾	Common Stock	15149	⁽⁴⁾	0	D
Restricted Stock Units	⁽⁵⁾	3/9/2020		D			3231	⁽⁵⁾	⁽⁵⁾	Common Stock	3231	⁽⁵⁾	0	D
Restricted Stock Units	⁽⁶⁾	3/9/2020		D			5945	⁽⁶⁾	⁽⁶⁾	Common Stock	5945	⁽⁶⁾	0	D
Restricted Stock Units	⁽⁷⁾	3/9/2020		D			3140	⁽⁷⁾	⁽⁷⁾	Common Stock	3140	⁽⁷⁾	0	D
Restricted Stock Units	⁽⁸⁾	3/9/2020		D			7222	⁽⁸⁾	⁽⁸⁾	Common Stock	7222	⁽⁸⁾	0	D
Restricted Stock Units	⁽⁹⁾	3/9/2020		D			3081	⁽⁹⁾	⁽⁹⁾	Common Stock	3081	⁽⁹⁾	0	D
Restricted Stock Units	⁽¹⁰⁾	3/9/2020		D			7085	⁽¹⁰⁾	⁽¹⁰⁾	Common Stock	7085	⁽¹⁰⁾	0	D

Explanation of Responses:
(1)	On May 8, 2019, Zayo Group Holdings, Inc. (the "Company") entered into an Agreement and Plan of Merger (the "Merger Agreement") by and among Front Range TopCo, Inc. ("Parent") and Front Range BidCo, Inc. ("Merger Sub"). On March 9, 2020, Merger Sub merged with any into the Company pursuant to Section 251(h) of the General Corporation Law of the State of Delaware, with the Company being the surviving corporation and becoming a wholly owned subsidiary of Parent (the "Merger"). Pursuant to the terms of the Merger Agreement, each share of Company common stock was converted into the right to receive an amount in cash equal to $35 (the "Merger Consideration"), without interest and not including any required withholding of taxes.
(2)	On January 2, 2019, the Reporting Person was granted Part B RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU, based on deemed target performance, to paid in full at the closing of the Merger.
(3)	On April 5, 2019, the Reporting Person was granted Part B RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU, based on deemed target performance, to paid in full at the closing of the Merger.
(4)	On May 29, 2019 the Reporting Person was granted Part A RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU to paid in full on March 31, 2020.
(5)	On July 5, 2019 the Reporting Person was granted Part B RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU, based on deemed target performance, to paid in full on September 30, 2020.
(6)	On September 26, 2019 the Reporting Person was granted Part A RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU to paid in full on June 30, 2020.
(7)	On October 4, 2019, the Reporting Person was granted Part B RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU, based on deemed target performance, to paid in full on December 31, 2020.
(8)	On November 27, 2019 the Reporting Person was granted Part A RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU to paid in full on September 30, 2020.
(9)	On January 6, 2020, the Reporting Person was granted Part B RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU, based on deemed target performance, to paid in full on March 31, 2021.
(10)	On February 26, 2020, the Reporting Person was granted Part A RSUs that were unvested as of the closing of the Merger. Each such RSU held by the Reporting Person was converted into the right to receive the Merger Consideration for each such RSU to paid in full on December 31, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Mays Sandra 1821 30TH STREET UNIT A BOULDER, CO 80301			CIO