FOURTH AMENDMENT AND SUPPLEMENT TO CREDIT AGREEMENT

Exhibit 10.2

Execution Version

FOURTH AMENDMENT AND SUPPLEMENT TO CREDIT AGREEMENT

This FOURTH AMENDMENT AND SUPPLEMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of December 1, 2011, by and among ZAYO GROUP, LLC, a Delaware limited liability company (“Zayo”), ZAYO CAPITAL, INC., a Delaware corporation (“Zayo Capital”; and together with Zayo, each, individually as a “Borrower” and, collectively, as the “Borrowers”), the Guarantors (as defined below) signatory hereto, the Lenders (as defined below) and SUNTRUST BANK, in its capacity as administrative agent for the Lenders (the “Administrative Agent”).

W I T N E S S E T H:

WHEREAS, the Borrowers, the Persons party thereto from time to time as Guarantors (the “Guarantors”), the financial institutions party thereto from time to time (the “Lenders”), SunTrust Bank, as the Issuing Bank, SunTrust Bank, as the Collateral Agent, and the Administrative Agent are parties to that certain Credit Agreement, dated as of March 12, 2010 (as amended, restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Credit Agreement”; capitalized terms used herein and not otherwise defined shall have the meanings assigned to such terms in the Credit Agreement), pursuant to which the Lenders have made certain financial accommodations available to the Borrowers;

WHEREAS, the Borrowers have requested that the Lenders and the Administrative Agent amend certain provisions of the Credit Agreement as set forth herein and, subject to the terms and conditions hereof, the Lenders and the Administrative Agent are willing to do so; and

WHEREAS, pursuant to Section 6.18 of the Credit Agreement, a new Domestic Subsidiary (whether by acquisition, creation of designation) of the Borrowers is required to join the Credit Agreement as a Guarantor and become a Borrower Party and, upon the execution and delivery of this Amendment by such Domestic Subsidiary, such Domestic Subsidiary shall become a Guarantor of the Obligations and become a Borrower Party under the Credit Agreement with the same force and effect as if originally named as a Guarantor therein;

NOW THEREFORE, in consideration of the premises, the terms and conditions contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

Amendments to the Credit Agreement.

Section 1.1 of the Credit Agreement, “Definitions”, is hereby amended and modified by deleting clause (v) of the definition of “EBITDA” in its entirety and inserting the following in lieu thereof:

“(v) restructuring charges and severance costs in an aggregate amount not to exceed $15,000,000 in the aggregate in any four fiscal quarter period and”

Section 1.1 of the Credit Agreement, “Definitions”, is hereby further amended and modified by deleting the definition of “Fixed Charge Coverage Ratio” in its entirety and inserting the following in lieu thereof:

““Fixed Charge Coverage Ratio” shall mean, with respect to the Borrowers and their Subsidiaries on a consolidated basis for any calendar quarter ended, for the twelve-month period then ended, the ratio of (a) Annualized EBITDA for such period then ended minus Capital Expenditures for the twelve month period then ended (excluding, without duplication, Capital Expenditures for the twelve-month period then ended (i) that are directly related to new sales to, or made at the request of, Persons to whom any Borrower Party has agreed to provide either goods or services (or both) pursuant to a written agreement providing for the payment of aggregate compensation to a Borrower Party equal to or greater than the amount of Capital Expenditures made in respect of such written agreement, (ii) to the extent financed with Funded Debt for Borrowed Money (other than Funded Debt incurred hereunder or under any other revolving credit facility), (iii) made with the proceeds of a disposition permitted hereunder and (iv) made with the proceeds of an equity issuance permitted hereunder), to (b) Interest Expense for the twelve-month period then ended.”

Section 1.1 of the Credit Agreement, “Definitions”, is hereby further amended and modified by deleting the definition of “PUC” in its entirety and inserting the following in lieu thereof:

““PUC” shall mean any state regulatory agency or body that exercises jurisdiction over the intrastate rates or services or the ownership, construction or operation of any intrastate network facility or telecommunications system or over Persons who own, construct or operate a network facility or telecommunications system used to provide intrastate services, in each case, by reason of the nature or type of the business subject to regulation and not pursuant to laws and regulations of general applicability to Person conducting business in such state.”

Section 8.4 of the Credit Agreement, “Restricted Payments and Purchases”, is hereby amended and modified by deleting clause (c) thereof in its entirety and inserting the following in lieu thereof:

“(c) any Borrower may make additional Restricted Payments and Restricted Purchases in the following amounts after the Agreement Date, so long as both before and after giving effect to such Restricted Payment or Restricted Purchase, no Default has occurred and is continuing or would result from the making of such Restricted Payment or Restricted Purchase: (i) if minimum Availability is greater than or equal to $65,000,000 and the Leverage Ratio, on a pro forma basis, is less than 4.00 to 1.00 but greater than or equal to 3.50 to 1.00 at the time of the proposed payment of the Restricted Payments or the proposed Restricted Purchase, $20,000,000 less the aggregate amount of Restricted Payments and Restricted Purchases made under this clause (c) after

the Agreement Date and (ii) if minimum Availability is greater than or equal to $32,500,000 and (A) if the Leverage Ratio, on a pro forma basis, is less than 3.50 to 1.00 but greater than or equal to 2.50 to 1.00 at the time of the proposed payment of the Restricted Payments or the proposed Restricted Purchase, $50,000,000 less the aggregate amount of Restricted Payments and Restricted Purchases made under this clause (c) after the Agreement Date, (B) if the Leverage Ratio, on a pro forma basis, is less than 2.50 to 1.00 but greater than or equal to 1.50 to 1.00 at the time of the proposed payment of the Restricted Payments or the proposed Restricted Purchase, $70,000,000 less the aggregate amount of Restricted Payments and Restricted Purchases made under this clause (c) after the Agreement Date, and (C) if the Leverage Ratio, on a pro forma basis, is less than 1.50 to 1.00 at the time of the proposed payment of the Restricted Payments or the proposed Restricted Purchase, $90,000,000 less the aggregate amount of Restricted Payments and Restricted Purchases made under this clause (c) after the Agreement Date,”

Joinder of New Guarantors.

In accordance with Section 6.18 of the Credit Agreement, each of 360networks holdings (USA) inc., a Nevada corporation, 360networks (USA) Inc., a Nevada corporation, 360networks LLC, a Delaware limited liability company, 360networks Illinois LLC, a Delaware limited liability company, 360networks Iowa LLC, a Delaware limited liability company, 360networks Kentucky LLC, a Delaware limited liability company, 360networks Louisiana LLC, a Delaware limited liability company, 360networks Michigan LLC, a Delaware limited liability company, 360networks Mississippi LLC, a Delaware limited liability company, 360networks Tennessee LLC a Delaware limited liability company, and Northern Colorado Telecommunications LLC (TA-CO), a Colorado limited liability company (collectively, the “New Guarantors”), by its signature below, becomes a “Guarantor” and a “Borrower Party” under the Credit Agreement with the same force and effect as if originally named therein as a “Guarantor” and as a “Borrower Party”, and each New Guarantor hereby agrees to all of the terms and provisions of the Credit Agreement applicable to it as a “Guarantor” and as a “Borrower Party” thereunder. In furtherance of the foregoing, the New Guarantors, as security for the payment and performance in full of the Obligations, do hereby guarantee, subject to the limitations set forth in Section 3.1(g) of the Credit Agreement, to the Administrative Agent, for the benefit of the Lender Group, the full and prompt payment of the Obligations, including, without limitation, any interest thereon (including, without limitation, interest, as provided in the Credit Agreement, accruing after the filing of a petition initiating any Insolvency Proceedings, whether or not such interest accrues or is recoverable against the Borrowers after the filing of such petition for purposes of the Bankruptcy Code or is an allowed claim in such proceeding), plus reasonable attorneys’ fees and expenses if the obligations represented by the Credit Agreement are collected by law, through an attorney-at-law, or under advice therefrom. Each reference to a “Guarantor” and “Borrower Party” in the Credit Agreement shall be deemed to include the New Guarantors. The Credit Agreement is incorporated herein by reference.

Each New Guarantors represents and warrants to the Administrative Agent and the other members of the Lender Group that this Amendment has been duly executed and delivered by such New Guarantor and constitutes its legal, valid and binding obligation, enforceable against it in accordance with its terms, except to the extent that the enforceability thereof may be limited by applicable bankruptcy, insolvency, reorganization, or similar laws affecting the enforcement of creditors’ rights generally or by general principles of equity (regardless of whether such enforcement is considered in a proceeding in equity or at law).

No Other Amendments. The execution, delivery and effectiveness of this Amendment shall not, except as expressly provided above, operate as a waiver of any right, power or remedy of the Administrative Agent, the Lenders or the Issuing Bank under the Credit Agreement or any of the other Loan Documents, nor constitute a waiver of any provision of the Credit Agreement or any of the other Loan Documents. Except for the amendment set forth above, the text of the Credit Agreement and all other Loan Documents shall remain unchanged and in full force and effect and each Borrower hereby ratifies and confirms its obligations thereunder. This Amendment shall not constitute a modification of the Credit Agreement or a course of dealing with the Administrative Agent, the Lenders or the Issuing Bank at variance with the Credit Agreement such as to require further notice by the Administrative Agent, the Lenders or the Issuing Bank to require strict compliance with the terms of the Credit Agreement and the other Loan Documents in the future. Nothing in this Amendment is intended, or shall be construed, to constitute a novation or an accord and satisfaction of any of the Obligations or to modify, affect or impair the perfection or continuity of the Administrative Agent’s or the Lenders’ security interests in, security titles to, or other Liens on, any Collateral for the Obligations.

Conditions to Effectiveness. Section 1 of this Amendment shall become effective as of the first date (the “Effective Date”) on which all of the following conditions have been satisfied:

the Administrative Agent, on behalf of the Issuing bank and the Lenders, shall have received counterparts of this Amendment duly executed by the Borrowers, the Guarantors and the Majority Lenders;

all fees and expenses required to be paid hereunder or pursuant to the Credit Agreement and invoiced at least two (2) Business Days prior to the Effective Date shall have been paid in full in cash or will be paid on the Effective Date; and

the 360 Transactions shall have been consummated; provided, that, notwithstanding the foregoing, the VOIP Divestiture may be consummated on or after the Effective Date.

Representations and Warranties. Each Borrower Party hereby represents and warrants that all representations and warranties of the Borrower Parties made in the Credit Agreement and the other Loan Documents are true and correct in all material respects (unless any such representation or warranty is qualified as to materiality, in which case such representation and warranty shall be true and correct in all respects) as of the date hereof (in each case, except to the extent that such representation or warranty specifically refers to an earlier date, in which case it shall be so true and correct as of such earlier date). As of the date hereof and as of the Effective Date, each Borrower Party further represents and warrants as follows:

such Borrower Party is a corporation or limited liability company duly organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation;

the execution, delivery and performance by such Borrower Party of this Amendment and the Loan Documents are within such Borrower Party’s legal powers, have been duly authorized by all necessary company action and do not contravene (i) such Borrower Party’s organizational documents, or (ii) law or contractual restrictions binding on or affecting such Borrower Party;

no authorization, approval or other action by, and no notice to or filing with, any governmental authority or regulatory body, is required for the due execution, delivery and performance by such Borrower Party of this Amendment or any of the Loan Documents to which such Borrower Party is or will be a party;

this Amendment and each of the other Loan Documents to which such Borrower Party is a party constitute legal, valid and binding obligations of such Borrower Party, enforceable against such Borrower Party in accordance with their respective terms; and

no Default or Event of Default exists.

Acknowledgment of Security Interests. Each Borrower Party hereby acknowledges that, as of the date hereof and as of the Effective Date, the security interests and liens granted to the Administrative Agent and the Lenders under the Credit Agreement and the other Loan Documents are in full force and effect and are enforceable in accordance with the terms of the Credit Agreement and the other Loan Documents.

Reaffirmation of Guaranty. Each Guarantor (other than the New Guarantors) hereby specifically (a) acknowledges and reaffirms its obligations owing to the Lender Group under the Credit Agreement and any other Loan Documents to which each such Guarantor is a party and (b) agrees that each of the Loan Documents to which it is a party is and shall remain in full force and effect.

Costs, Expenses and Taxes. Each Borrower agrees, jointly and severally, to pay on demand all out-of-pocket expenses of the Administrative Agent in connection with the preparation, negotiation, execution and delivery of this Amendment, including, but not limited to, the reasonable fees and disbursements of counsel for the Administrative Agent.

Governing Law. This Amendment shall be construed in accordance with and governed by the laws of the State of New York.

Loan Document. This Amendment shall be deemed to be a Loan Document for all purposes.

Counterparts. This Amendment may be executed in any number of counterparts, each of which shall be deemed to be an original, but all such separate counterparts shall together constitute but one and the same instrument. In proving this Amendment in any judicial proceeding, it shall not be necessary to produce or account for more than one such counterpart signed by the party against whom enforcement is sought. Any signatures delivered by a party by facsimile or other electronic transmission shall be deemed an original signature hereto.

Release. In consideration for the accommodations provided pursuant to this Amendment, and acknowledging that the Administrative Agent and Lenders will be specifically relying on the following provisions as a material inducement in entering into this Amendment, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, each Borrower Party hereby releases, remises and forever discharges the Administrative Agent and the Lenders and their respective agents, servants, employees, directors, officers, attorneys, accountants, consultants, affiliates, representatives, receivers, trustees, subsidiaries, predecessors, successors and assigns (collectively, the “Released Parties”) from any and all claims, damages, losses, demands, liabilities, obligations, actions and causes of action whatsoever (whether arising in contract or in tort, and whether at law or in equity), whether known or unknown, matured or contingent, liquidated or unliquidated, in any way arising from, in connection with, or in any way concerning or relating to the Credit Agreement, the other Loan Documents, and/or any dealings with any of the Released Parties in connection with the transactions contemplated by such documents or this Amendment prior to date hereof. This release shall be and remain in full force and effect notwithstanding the discovery by each Borrower Party after the date hereof (a) of any new or additional claim against any Released Party, (b) of any new or additional facts in any way relating to the subject matter of this release, (c) that any fact relied upon by it was incorrect or (d) that any representation made by any Released Party was untrue or that any Released Party concealed any fact, circumstance or claim relevant to such Borrower’s execution of this release; provided, however, this release shall not extend to any claims arising after the execution of this Amendment.

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year first above written.

BORROWERS:		ZAYO GROUP, LLC ZAYO CAPITAL, INC.
		By:		/s/ Ken desGarennes
				Name:		Ken desGarennes
				Title:		Chief Financial Officer

Schedule 1.1(a)

Equity Group

Columbia Capital Equity Partners IV (QP), L.P.

Columbia Capital Equity Partners IV (QPCO), L.P.

Columbia Capital Equity Investors IV, L.P.

Columbia Capital Equity Partners III (QP), L.P.

Columbia Capital Equity Partners III (Cayman), L.P.

Columbia Capital Equity Partners III (AI), L.P.

Columbia Capital Investors III, L.L.C.

Columbia Capital Employee Investors III, L.L.C.

M/C Venture Partners VI, L.P.

M/C Venture Investors, L.L.C

M/C Venture Partners V, L.P.

Chestnut Venture Partners, L.P.

Oak Investment Partners XII, Limited Partnership

Battery Ventures VII, L.P.

Battery Investment Partners VII, LLC

Battery Ventures VIII, L.P.

Centennial Ventures VII, L.P.

Centennial Entrepreneurs Fund VII, L.P.

Bear Equity, LLC

Bear Investments, LLLP

ESU Investments, LLC

Tablerock Investments, LLC

VP Holdings, LLC

Charlesbank Equity Fund VI, Limited Partnership

CB Offshore Equity Fund VI

Charlesbank Equity Coinvestment Fund VI, LP

Charlesbank Equity Coinvestment Partners, LP

Universal Telecommunications, Inc.

Yawlbreak& Co FTBO GTB Capital Partners LP

Morgan Stanley Private Markets Fund IV LP

Stormbay& Co FTBO VijverpoortHuizen C.V.

Nextone, LLC

Independent Director, Rick Connor

Mango Holdings, LLC

Schedule 1.1(b)

Liens

Jurisdiction of

Search

Incorporation/

Report As of

File

No.

Obligor

Formation

Date

Filing Office

Number(s)

Filing Date

1.

American Fiber Systems Holding Corp.

Delaware

10/21/2011

Delaware Secretary of State

04111401

11/22/2010

2.

American Fiber Systems, Inc.

Delaware

10/21/2011

Delaware Secretary of State

04111435

11/22/2010

3.

Zayo Capital, Inc.

Delaware

10/21/2011

Delaware Secretary of State

00854616

03/12/2010

4.

Zayo Colocation, Inc.

Delaware

10/21/2011

Delaware Secretary of State

00855324

03/12/2010

5.

Zayo Group, LLC

Delaware

10/21/2011

Delaware Secretary of State

1. 81796059 2. 82964219 3. 82964417 4. 00854384 5. 134952911

1. 05/16/2008 (amended 08/20/2008) 2. 09/02/2008 3. 09/02/2008 4. 03/12/2010 5. 09/12/2011

6.

Zayo Group Holdings, Inc.

Delaware

10/21/2011

Delaware Secretary of State

1. 00855464 2. 03112087

1. 03/12/2010 2. 09/07/2010

7.

FiberNet Telecom, Inc.

Delaware

10/21/2011

Delaware Secretary of State

00855399

03/12/2010

8.

Local Fiber, LLC

New York

11/10/2011

New York Secretary of State

201003120130225

03/12/2010

Schedule 4.1(f)

Surviving 360networks Funded Debt

Capital leases in the amount of approximately $124,803.63. See Schedule 8.1

Irrevocable Letter of Credit in the undrawn amount of $257,500.00. See Schedule 8.1

Schedule 5.1(c)-1

Subsidiaries

		Jurisdiction of				Other
		Incorporation		Qualified Business		Business
Name		or Formation		States		Names		Equity Holders
Zayo Capital, Inc.		Delaware		Delaware		None		Zayo Group, LLC
Zayo Colocation, Inc.		Delaware		Delaware, California, Illinois, New Jersey, New York, Pennsylvania		Formerly Fibernet Telecom Group, Inc.		Zayo Group, LLC
FiberNet Telecom, Inc.		Delaware		Delaware, California, Illinois, New Jersey, New York		None		Zayo Colocation, Inc.
Local Fiber, LLC		New York		New York, Illinois, New Jersey		None		FiberNet Telecom, Inc.
American Fiber Systems Holding Corp.		Delaware		Delaware, New York		None		Zayo Group, LLC
American Fiber Systems, Inc.		Delaware		Delaware, Connecticut, Georgia, Idaho, Kansas, Minnesota, Missouri, Nevada, New York, Ohio, Tennessee, Utah		None		American Fiber Systems Holding Corp.
360networks holdings (USA) inc.		Nevada		Nevada		None		Zayo Group, LLC
360networks (USA), inc.		Nevada		Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, D.C., Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, Wyoming		None		360networks holdings (USA), Inc.

		Jurisdiction of				Other
		Incorporation		Qualified Business		Business
Name		or Formation		States		Names		Equity Holders
360networks LLC		Delaware		Delaware, Illinois		None		360networks (USA) inc.
360networks Illinois LLC		Delaware		Delaware, Illinois		None		360networks LLC
360networks Iowa LLC		Delaware		Delaware, Iowa		None		360networks LLC
360networks Kentucky LLC		Delaware		Delaware, Kentucky		None		360networks LLC
360networks Louisiana LLC		Delaware		Delaware, Louisiana		None		360networks LLC
360networks Michigan LLC		Delaware		Delaware		None		360networks LLC
360networks Mississippi LLC		Delaware		Delaware, Mississippi		None		360networks LLC
360networks Tennessee LLC		Delaware		Delaware, Tennessee		None		360networks LLC
Northern Colorado Telecommunications, LLC		Colorado		Colorado		None		360networks (USA) inc.
360networks Vancouver Ltd.		British Columbia		British Columbia		None		360networks holdings (USA) inc.

Schedule 5.1(c)-2

Partnerships/Joint Ventures

Investments in the Equity Interests of CoBank, ACB to the extent permitted by Section 8.5(i) of the Credit Agreement.

5.1(d)

Outstanding Capital Stock Ownership

				Amount Issued		Authorized
Issuer		Owner(s)		and Outstanding		Equity		Restrictions
Zayo Group, LLC		Zayo Group Holdings, Inc.		1,000 membership interest units		1,000 membership interest units		None
Zayo Capital, Inc.		Zayo Group, LLC		100 shares of common stock		100 shares of common stock		None
Zayo Colocation, Inc.		Zayo Group, LLC		1,000 shares of common stock		1,000 shares of common stock		None
FiberNet Telecom, Inc.		Zayo Colocation, Inc.		1,000 shares of common stock		1,000 shares common stock		None
Local Fiber, LLC		FiberNet Telecom, Inc.		1,000 membership interest units		1,000 membership interest units		None
American Fiber Systems Holding Corp.		Zayo Group, LLC		1,000 shares of common stock		1,000 shares of common stock		None
American Fiber Systems, Inc.		American Fiber Systems Holding Corp.		100 shares of common stock		100 shares of common stock		None
360networks holdings (USA) inc.		Zayo Group, LLC		6,170 shares of common stock		25,000 shares of common stock 228,000 shares of preferred stock		None
360networks (USA) inc.		360networks holdings (USA) inc.		203 shares of common stock		25,000 shares of common stock		None
360networks LLC		360networks (USA) inc.		100 units		100 units		None

				Amount Issued		Authorized
Issuer		Owner(s)		and Outstanding		Equity		Restrictions
360networks Illinois LLC		360networks LLC		100 units		100 units		None
360networks Iowa LLC		360networks LLC		100 units		100 units		None
360networks Kentucky LLC		360networks LLC		100 units		100 units		None
360networks Louisiana LLC		360networks LLC		100 units		100 units		None
360networks Michigan LLC		360networks LLC		100 units		100 units		None
360networks Mississippi LLC		360networks LLC		100 units		100 units		None
360networks Tennessee LLC		360networks LLC		100 units		100 units		None
Northern Colorado Telecommunications, LLC		360networks (USA) inc.		N/A		N/A		None
360networks Vancouver Ltd.		360networks holdings (USA) inc.		100 shares of A voting non-participating common stock 100 shares of B non-voting participating common stock		Unlimited number of Class A voting non-participating shares of common stock Unlimited number of Class B non-voting participating shares of common stock		Holders of Class B shares are not entitled to vote or attend shareholders meetings.

Schedule 5.1(i)

Labor Matters

None.

Schedule 5.1(j)

Taxes

None.

Schedule 5.1(m)

Investments/Guarantees as of the Agreement Date

The CoBank, ACB investment listed on Schedule 5.1(c)-2.

Investment in US Carrier Telecom, LLC listed on Schedule 8.5

Schedule 5.1(n)

Litigation

None

Schedule 5.1(o)

ERISA

Title IV Plans

None

Multiemployer Plans

ADP TotalSource Retirement Savings Plan

Welfare Plans

ADP TotalSource Inc. Health and Welfare Plan

Retiree Welfare Plans

None

Schedule 5.1(p)

Intellectual Property; Licenses and Certifications

U.S. Trademarks:

						Application Serial		Registration Number/
Registered Owner		Trademark Description				Number/Filing Date		Registration Date
360Networks Corporation *		THE BACKBONE TO COMMUNICATIONS				78966155 September 1, 2006		3490666 August 19, 2008
360Networks Corporation *		THE BACKBONE TO COMMUNICATIONS				78966157 September 1, 2006		3464595 July 8, 2008
360Networks Corporation *		360NETWORKS				76171118 November 26, 2000		2821982 March 16, 2004
360Networks Corporation *		360				76171119 November 26, 2000		2950775 May 17, 2005
360Networks Corporation *		360NETWORKS				76122960 September 6, 2000		2911912 December 21, 2004
Zayo Group, LLC		ZAYO FIBER SOLUTIONS				85308155 April 29, 2011		Application Still Pending
Zayo Group, LLC		ZAYO ENTERPRISE NETWORKS				85308157 April 29, 2011		Application Still Pending
Zayo Group, LLC		ZAYO BANDWIDTH				77245166 August 2, 2007		3500859 September 16, 2008
Zayo Group, LLC		ZAYO				77244680 August 1, 2007		3500857 September 16, 2008
Zayo Group, LLC		ZCOLO				77825058 September 11, 2009		3971264 May 31, 2011
Zayo Bandwidth Tennessee, LLC		MEMPHIS NETWORX & Design				75873249 December 17, 1999		2572278 May 21, 2002
Zayo Bandwidth Tennessee, LLC		MEMPHIS NETWORX				75873248 December 17, 1999		2545349 March 5, 2002

						Application Serial		Registration Number/
Registered Owner		Trademark Description				Number/Filing Date		Registration Date
Zayo Colocation, Inc.						78693888 August 16, 2005		3395986 March 11, 2008
Zayo Colocation, Inc.						77044317 November 15, 2006		3361370 January 1, 2008
Zayo Colocation, Inc.						77037993 November 6, 2006		3350844 December 11, 2007
Zayo Colocation, Inc.						78750871 November 9, 2005		3198383 January 16, 2007

Canadian Trademarks:

						Application		Registration Number/
Registered Owner		Trademark Description				Number/Filing Date		Registration Date
360Networks Corporation *		360				1060809 May 26, 2000		TMA583,538 June 11, 2003
360Networks Corporation *		360NETWORKS				1060810 May 26, 2000		TMA583,519 June 11, 2003
360Networks Corporation *		360NETWORKS				1049887 March 8, 2000		TMA576,857 March 4, 2003

U.S. Patents:

None issued or pending.

Foreign Patents:

None issued or pending.

US Copyright Registrations:

None issued or pending.

Foreign Copyright Registrations:

None issued or pending.

License Agreements:

None.

Schedule 5.1(u)

Insurance

Expiration

Carrier

Policy Number

Date

Type

Amount

Deductibles

St. Paul Travelers

H-630-512N520-IND-09

8/1/12

Deluxe Property

$4,727,999 building,

$

5,000

$11,091,164 blanket

business personal

property,

$125,713,856 EDP

St. Paul Travelers

H-630-512N520-IND-09

8/1/12

General Liability

$1,000,000 each claim

$

0

$2,000,000 general

aggregate

$2,000,000

products/completed

operations aggregate

$1,000,000 personal

& advertising injury

$300,000 premises

damage

$10,000 medical

expenses

Employee Benefits

$3,000,000 aggregate

$

1,000

Liability

limit

$1,000,000 each claim

St. Paul Travelers

TE08302421

8/1/12

Errors & Omissions

$5,000,000 each claim

$

50,000

$5,000,000 aggregate

annual limit

St. Paul Travelers

HSM-CUP-5121N520-TIL-09

8/1/12

Umbrella Excess Liability

$10,000,000 each claim

$

10,000

$10,000,000 annual

aggregate

St. Paul Travelers

BA-5121N520-TCT-09

8/1/12

Automobile Liability

$1,000,000 per

accident

$10,000 medical

payments per person

Automobile Physical

$15,000 limit

$

1,000

Damage

Schedule 5.1(w)-1

Leased Real Property (Material Collocation and Interconnection Data Centers)

Lessor

Lessee

Property Address

City

State

Zip

60 Hudson Owner, LLC

Zayo Colocation, Inc.

60 Hudson Suite 0106 MMR, 1903, 1211

New York

NY

10013

Market Halsey Urban Renewal, LLC

Zayo Colocation, Inc.

165 Halsey Street

Newark

NJ

07102

111 Chelsea Commerce LP

Zayo Colocation, Inc.

111 8th Avenue

New York

NY

10011

Digital Printers Square

Zayo Colocation, Inc.

600 S. Federal Street

Chicago

IL

60605

707 Wilshire Fee, LLC

Zayo Colocation, Inc.

707 Wilshire Blvd.

Los Angeles

CA

90064

Broadview Networks, Inc.

Zayo Bandwidth Northeast, LLC

401 N Broad St.

Philadelphia

PA

19108

XO Communications, Inc.

Zayo Bandwidth Northeast, LLC

2401 Locust St., Ste. 405

Philadelphia

PA

19103

REA Associates LLC

Zayo Bandwidth, LLC

900 Second St., NE Railway Express Building

Washington

DC

20002

Matrix Realty Group, Inc.

Zayo Group, LLC

1525 Rockwell Ave. 4th Fl., Bldg 2

Cleveland

OH

44114

Mahrdt Properties, Inc.

Zayo Bandwidth, LLC

701 West Henry Street, Ste. 201

Indianapolis

IN

46225

Townview 56th Street, LLC

Zayo Bandwidth Central, LLC

334 Gest Street, Ste. 100

Cincinnati

OH

45202

Alleghany Center Associates

Zayo Bandwidth Central, LLC

100 South Commons, Ste 138

Pittsburgh

PA

15212

Telx

Zayo Colocation, Inc.

60 Hudson

New York

NY

10013

Switch Communications

Zayo Group, LLC

2475 Arden St. 7135 S. Decature Blvd

Las Vegas

NV

89118

Schedule 5.1(w)-2

Owned Real Property

None.

Schedule 5.1(x)

Environmental Matters

None.

Schedule 6.13

Bank and Investment Accounts

		Name in which		Account
Depository Institution		account is held		Number		Purpose
Wells Fargo Bank NA		Zayo Group, LLC		2000031004646		Operating
1700 Lincoln St., 8th Floor Denver, CO 80203
Wells Fargo Bank NA		Zayo Bandwidth, LLC		2000031004688		Operating
1700 Lincoln St., 8th Floor Denver, CO 80203
Wells Fargo Bank NA		Zayo Bandwidth BTOP		2000038468861		Operating
1700 Lincoln St., 8th Floor Denver, CO 80203
Wells Fargo Bank NA		Zayo Colocation, Inc.		2000038468829		Operating
1700 Lincoln St., 8th Floor Denver, CO 80203
Wells Fargo Bank NA		Zayo Fiber Solutions		2000038469747		Operating
1700 Lincoln St., 8th Floor Denver, CO 80203

Schedule 6.19

Required PUC Consents

1.

Arizona Corporation Commission

2.

Consents, orders, waivers, and approvals of, and notices or other filings with, the applicable PUC required in connection with the transfer of immaterial VOIP Assets to Holdings or any of its Subsidiaries after the Agreement Date.

Schedule 8.1

Outstanding Indebtedness as of the Agreement Date

1.

Fiber Lease Agreement, dated as of November 3, 2000, by and between Zayo Bandwidth Northeast, LLC (aka PPL Telcom, LLC successor in interest to Cambrian Communications, LLC) and AboveNet, Inc., a Delaware corporation, as amended by Amendment #1 to Fiber Lease Agreement, dated December 17, 2001. As of October 31, 2011, the amount outstanding was approximately $8,329,842.94.

2.

Sub Capacity Use and Service Agreement between First Energy Telecom Services, successor-in-interest to GPU Telcom and Zayo Bandwidth Central, LLC successor-in-interest to AFN Fiber, LLC. As of October 31, 2011 the amount outstanding was approximately $1,109,066.06.

3.

Master Facilities Agreement between Fiber Technology Network, LLC and Zayo Bandwidth Central, LLC. As of October 31, 2011 the amount outstanding was approximately $323,962.38.

4.

Master Lease Service Agreement between Enterprise Fleet Management and Zayo Bandwidth LLC. As of October 31, 2011 the amount outstanding was approximately $257,827.91.

5.

Capital Lease Agreements between various vendors and Zayo Bandwidth LLC. As of October 31, 2011 the amount outstanding was $7,377.00.

6.

Agreement for the License of Fiber Optic Facilities and Services between Minnesota Power and Light Company and Zayo Bandwidth, LLC. As of October 31, 2011 the amount outstanding was $697,742.83.

7.

Letter of Credit 74004-01-2007-08-23 for Zayo Bandwidth Central, LLC issued by Centra Bank, Inc. in favor of Embarq Corp., secured by CD#10284850 in the amount of $2,988.42 on deposit with Centra Bank, Inc.

8.

Letter of Credit 74004-03-2007-09-05 for Zayo Bandwidth Central, LLC issued by Centra Bank, Inc. in favor of Embarq Corp., secured by CD# 10285369 in the amount of $2859.03 on deposit with Centra Bank, Inc.

9.

Letter of Credit 57568-08-2007-07-03 for Zayo Bandwidth Central, LLC issued by Centra Bank, Inc. in favor of Virginia Electric, secured by CD# 10284745 in the amount of $12,202.83 on deposit with Centra Bank, Inc.

10.

Letter of Credit SFX 5051, 5052, 5064, 5065, 5066, 7648 for Zayo Fiber Solutions, LLC issued by Mutual Savings Credit Union in favor of the cities of Chandler, Glendale, Tempe, Mesa, Scottsdale and Phoenix, respectively, in the aggregate amount of $538,600.17

11.

Master Lease Service Agreement between Enterprise Fleet Management and Zayo Fiber Solutions, LLC. As of October 31, 2011 the amount outstanding was approximately $246,882.11.

12.

Purchaser Holdback agreement dated as of October 12, 2006 by and between American Fiber Systems, Inc. and IDACORP, Inc., a Idaho Corporation. As of October 31, 2011 the amount outstanding was approximately $2,750,965.81

13.

Subordinated Promissory Note dated as of October 1, 2010, by and between Zayo Group, LLC and Robert E. Ingalls, Jr. As of October 31, 2011, the amount outstanding was approximately $4,500,000.

14.

Master Lease Service Agreement between Enterprise Fleet Management and 360networks(USA). As of November 30, 2011 the amount outstanding is approximately $124,803.63.

15.

Irrevocable Letter of Credit for 360networks (USA) inc. issued by Wells Fargo Bank in favor of Fidelity Deposit Company of Maryland secured by bond #8755048942 in the amount of $257,500.00 on deposit with Wells Fargo Bank.

Schedule 8.5

Existing Investments

Zayo Group, LLC currently has 55% ownership in the class A units and 34% ownership in the class B units of US Carrier Telecom, LLC. As of October 31, 2011, the total value of the investment was approximately $15,075,555.78.

Schedule 8.6

Affiliate Transactions

None.