exv10w2









Exhibit 10.2




GUARANTY SUPPLEMENT




          Reference is made to that certain Credit Agreement, dated as of March 12, 2010 (as amended,
restated, supplemented or otherwise modified from time to time, the
“Credit Agreement”;
capitalized terms used herein without definition shall have the meanings ascribed thereto in the
Credit Agreement), by and among Zayo Group, LLC, a Delaware limited liability company (the
“Administrative Borrower”), Zayo Capital, Inc., a Delaware corporation (“Zayo
Capital”; and together with Administrative Borrower, each, individually a “Borrower”
and, collectively, the “Borrowers”), the Persons party thereto from time to time as
Guarantors (if any), SunTrust Bank, as the Issuing Bank, SunTrust Bank, as the Collateral Agent,
the financial institutions party thereto from time to time as lenders (the “Lenders”), and
SunTrust Bank, as the administrative agent (the “Administrative Agent”).




          Whereas, pursuant to Section 6.18 of the Credit Agreement, a new Domestic Subsidiary (whether
by acquisition, creation or designation) of the Borrowers is required to join the Credit Agreement
as a Guarantor and become a Borrower Party by executing and delivering in favor of the
Administrative Agent this Guaranty Supplement. Upon the execution and delivery of this Guaranty
Supplement 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.




          The undersigned (the “New Guarantor”) hereby agrees as follows:




          1. In accordance with Section 6.18 of the Credit Agreement, the New Guarantor, 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 the 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 Guarantor, as security for the payment and performance in full of the
Obligations, does 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 Guarantor. The Credit Agreement is
incorporated herein by reference.




          2. The New Guarantor represents and warrants to the Administrative Agent and the other
members of the Lender Group that this Guaranty Supplement has





 









 







been duly executed and delivered by the 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).




          3. This Guaranty Supplement 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 agreement. In proving this Guaranty Supplement in any judicial proceedings, it shall
not be necessary to produce or account for more than one such counterpart signed by the party
against whom such enforcement is sought. Any signatures delivered by a party by facsimile
transmission or other electronic transmission shall be deemed an original signature hereto.




          4. Except as expressly supplemented hereby, the Credit Agreement shall remain in full force
and effect.




          5. THIS GUARANTY SUPPLEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF
THE STATE OF NEW YORK.




          6. This Guaranty Supplement shall be considered a Loan Document for all purposes.




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          IN WITNESS WHEREOF, the New Guarantor has duly executed this Guaranty Supplement as of the day
and year first above written.




	 	 	 	 	 
	
NEW GUARANTOR:  	ZAYO FIBER SOLUTIONS, LLC, a Delaware 

limited liability company

 	 
	 	By:  	/s/ Scott E. Beer
 	 
	 	 	Name:  	Scott E. Beer
  	 
	 	 	Title:  	General Counsel & Secretary 	 
	 



Guarantor Supplement (ZFS)