Document:

Amendment No. 1 to Loan and Security Agreement

 Exhibit 4.1 
 AMENDMENT NO. 1 TO LOAN AND SECURITY AGREEMENT 
 AMENDMENT NO.1 TO LOAN AND SECURITY AGREEMENT, dated as of
June 23, 2006, by and among Global Crossing Advanced Card Services, Inc., Global Crossing Bandwidth, Inc., Global Crossing Telecommunications, Inc. (collectively, “Borrowers”), certain affiliates of Borrowers, as guarantors
(such affiliates, collectively, “Guarantors”), certain financial institutions, as lenders (collectively, the “Lenders”) and Bank of America, N.A., as agent for the Lenders (in such capacity,
“Agent”). 
 WHEREAS, Borrowers, Guarantors, Lenders and Agent are parties to that certain Loan and Security Agreement,
dated as of May 10, 2006 (as amended, restated, renewed, extended, supplemented, substituted or otherwise modified from time to time, the “Loan Agreement”); and 
 WHEREAS, Borrowers have requested that certain provisions of the Loan Agreement be amended as hereinafter set forth, and Agent, for itself and on behalf
of the Lenders, has agreed, subject to the terms and conditions herein provided, to make such amendments, all as more fully set forth herein. 
 NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are acknowledged, the parties agree, notwithstanding anything in the Loan Agreement to the contrary, as follows: 
 1. Definitions. Each initially capitalized term used herein shall, unless otherwise provided herein, have the meaning ascribed thereto in the Loan
Agreement. 
 2. Amendments. Effective as of the date hereof: 
 (a) The definition of the term “Eligible Assignee”, as it appears in Section 1.1 of the Loan Agreement, is hereby amended and restated in
its entirety to read as follows: 
 “Eligible Assignee - a Person that is (a) a Lender, U.S. - based
Affiliate of a Lender or Approved Fund; (b) any other financial institution approved by Agent and Borrower Agent (which approval by Borrower Agent shall not be unreasonably withheld or delayed, and shall be deemed given if no objection is made
within five (5) Business Days after notice of the proposed assignment), that is organized under the laws of the United States or any state or district thereof (or under the laws of Canada or any province thereof), has total assets in excess of
$5 billion, extends asset-based lending facilities in its ordinary course of business and whose becoming an assignee would not constitute a prohibited transaction under Section 4975 of ERISA or any other Applicable Law; or (c) during any
Event of Default, any Person acceptable to Agent in its discretion. 
 (b) The definition of the term “Overadvance”, as it appears
in Section 1.1 of the Loan Agreement, is hereby amended and restated in its entirety to read as follows: 
 “Overadvance - as defined in Section 2.1.4.” 

 (c) The definition of the term “Protective Advances”, as it appears in Section 1.1 of the
Loan Agreement, is hereby amended and restated in its entirety to read as follows: 
 “Protective Advances - as
defined in Section 2.1.5.” 
 (d) The definition of the term “Required Lenders”, as it appears in Section 1.1
of the Loan Agreement, is hereby amended and restated in its entirety to read as follows: 
 “Required Lenders - Lenders
(subject to Section 4.2) having (a) Revolver Commitments in excess of 50% of the aggregate Revolver Commitments; and (b) if the Revolver Commitments have terminated, Loans in excess of 50% of all outstanding Loans after giving effect
to any required settlements; provided that, at all such times as there are only two (2) Lenders hereunder, “Required Lenders” shall mean both such Lenders.” 
 (e) Section 2.1.4 of the Loan Agreement is hereby amended and restated in its entirety to read as follows: 
 “2.1.4 Overadvances. If the aggregate Revolver Loans exceed the Borrowing Base (“Overadvance”) or the aggregate
Revolver Commitments at any time, the excess amount shall be payable by Borrowers on demand by Agent (such demand to be made by Agent at its election or at the direction of Required Lenders) , but all such Revolver Loans shall nevertheless
constitute Obligations secured by the Collateral and entitled to all benefits of the Loan Documents. Unless its authority has been revoked in writing by Required Lenders, Agent may require Lenders to honor requests for Overadvance Loans and to
forbear from requiring Borrowers to cure an Overadvance, (a) when no other Event of Default is known to Agent, as long as (i) the Overadvance does not continue for more than 30 consecutive days (and no Overadvance may exist for at least
five consecutive days thereafter before further Overadvance Loans are required), and (ii) the Overadvance is not known by Agent to exceed 10% of the Borrowing Base; and (b) regardless of whether an Event of Default exists, if Agent
discovers an Overadvance not previously known by it to exist, as long as from the date of such discovery the Overadvance (i) is not increased by more than $2,500,000, and (ii) does not continue for more than 30 consecutive days. In no
event shall Overadvance Loans be made that would cause the (x) aggregate amount of outstanding Revolver Loans and LC Obligations to exceed the aggregate Revolver Commitments or (y) sum of the aggregate amount of Overadvances outstanding
plus the aggregate amount of Protective Advances outstanding to exceed $5,500,000. Any funding of an Overadvance Loan or sufferance of an Overadvance shall not constitute a waiver by Agent or Lenders of the Event of Default caused thereby. In no
event shall any Borrower or other Obligor be deemed a beneficiary of this Section nor authorized to enforce any of its terms.” 
  

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 (f) Section 2.1.5 of the Loan Agreement is hereby amended and restated in its entirety to read as
follows: 
 “2.1.5 Protective Advances. Agent shall be authorized, in its discretion, at any time that a Default
or Event of Default exists or any conditions in Section 6 are not satisfied to make Base Rate Revolver Loans (“Protective Advances”) up to an aggregate amount of $5,500,000 outstanding at any time, if Agent deems such Loans necessary
or desirable to preserve or protect any Collateral, or to enhance the collectibility or repayment of Obligations. All Protective Advances shall be Obligations, secured by the Collateral, and shall be treated for all purposes as Extraordinary
Expenses. Each Lender shall participate in each Protective Advance on a Pro Rata basis, but in no event shall any Protective Advance be made that would cause the (a) outstanding Revolving Loans and LC Obligations to exceed the aggregate
Revolver Commitments or (b) sum of the aggregate amount of Overadvance Loans outstanding plus the aggregate amount of Protective Advances outstanding to exceed $5,500,000. Required Lenders may at any time revoke Agent’s authorization to
make further Protective Advances by written notice to Agent. Absent such revocation, Agent’s determination that funding of a Protective Advance is appropriate shall be conclusive.” 
 (g) The first sentence of Section 11.2 of the Loan Agreement is hereby amended and restated in its entirety to read as follows: 
 “If an Event of Default described in Section 11.1(j) or Section 11.1(l) occurs with respect to any Loan Party, then to the
extent permitted by Applicable Law, all Obligations shall become automatically due and payable and all Commitments shall terminate, without any action by Agent or notice of any kind.” 
 (h) The first sentence of Section 12.6.1 of the Loan Agreement is hereby amended by deleting the period at the end thereof and by adding the
following proviso at the end thereof: 
 “; PROVIDED, HOWEVER, THAT LENDERS SHALL HAVE NO INDEMNIFICATION LIABILITY PURSUANT THIS
SENTENCE WITH RESPECT TO ANY CLAIM INCURRED OR ASSERTED AGAINST AN AGENT INDEMNITEE IF SUCH CLAIM IS DETERMINED, PURSUANT TO A FINAL ORDER ENTERED BY A COURT OF COMPETENT JURISDICTION, TO HAVE ARISEN DIRECTLY FROM THE GROSS NEGLIGENCE OR WILLFUL
MISCONDUCT OF SUCH AGENT INDEMNITEE.” 
 (i) The first sentence of Section 12.6.2 of the Loan Agreement is hereby amended by
deleting the period at the end thereof and by adding the following proviso at the end thereof: 
  

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 “; provided, however, that Lenders shall have no indemnification liability pursuant to this
sentence to indemnify, hold harmless or pay any amounts paid by an Agent Indemnitee under a judgment or court order or by reason of a settlement, or any costs and expenses incurred by an Agent Indemnitee in connection therewith, if it is determined
pursuant to final order entered by a court of competent jurisdiction that such Agent Indemnitee’s liability for such amounts arose directly from such Agent Indemnitee’s gross negligence or willful misconduct.” 
 (j) Paragraph (d) of Section 14.1.1 of the Loan Agreement is hereby amended and restated in its entirety to read as follows: 
 “(d) without the prior written consent of all Lenders (except a defaulting Lender as provided in Section 4.2), no
modification shall be effective that would (i) extend the Commitment Termination Date; (ii) alter, amend or otherwise modify Section 2.1.4 or Section 2.1.5 to increase the aggregate amount of Overadvances and
Protective Advances permitted thereunder, respectively; (iii) amend Section 4.1.3(a) to increase the aggregate amount of Swingline Loans that Agent is permitted to advance (unless the funding is specifically required to be made by
all Lenders), (iv) alter Section 5.6, 7.1 (except to add Collateral) or 14.1.1; (v) amend the definitions of Borrowing Base (and the defined terms used in such definition), Pro Rata or Required Lenders;
(vi) increase any advance rate, decrease the Availability Block, or increase total Commitments; (vii) release Collateral with a book value greater than $5,000,000 during any calendar year, except as currently contemplated by the Loan
Documents; or (viii) release any Obligor from liability for any Obligations.” 
 3. Acknowledgements and Confirmations.

 (a) Each of the Borrowers and Guarantors (each, a “Loan Party”) hereby acknowledges, confirms and agrees that the covenants,
agreements and obligations of such Loan Party contained in or incurred under the Loan Agreement or the Other Agreements to which such Loan Party is a party remain, after the execution and delivery by the Loan Parties hereof and after giving effect
hereto, the legal, valid and binding obligations of such Loan Party, enforceable against such Loan Party in accordance with their respective terms, and such Loan Party has no valid offset, defense or counterclaim to the enforcement of such
covenants, agreements and obligations. 
 (b) Each of the Loan Parties hereby ratifies and confirms its respective grant to the Agent, for
the ratable benefit of the Lenders, of the first priority perfected liens upon, and security interests in, its properties and assets heretofore mortgaged, pledged, granted or assigned to the Agent on behalf of the Lenders under the Loan Agreement
and the Other Agreements, and acknowledges and confirms that such first priority perfected liens and security interests, to the extent not heretofore expressly released by Agent in writing, secure and shall continue to secure 
  

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 the Obligations to the Agent and the Lenders under the Loan Agreement and the Other Agreements, subject only to Permitted
Encumbrances. 
 (c) Each of the Loan Parties represents and warrants to Agent and the Lenders that no Default or Event of Default has
occurred and is continuing. 
 (d) Each Loan Party acknowledges and confirms that all representations and warranties made in the Loan
Agreement, the Other Agreements and hereunder shall, other than to the extent heretofore expressly waived by Agent in writing, survive the execution and delivery of this Amendment. 
 4. General Provisions. 
 (a) Except as
specifically set forth herein, no other changes or modifications to the Loan Agreement are intended or implied, and in all other respects the Loan Agreement and the Other Agreements remain in full force and effect in accordance with their respective
terms as of the date hereof. 
 (b) This Amendment shall become effective as of the date first written above upon Agent’s receipt of an
original of this Amendment duly executed by each Loan Party. This Amendment shall be binding upon and inure to the benefit of each of the parties hereto and their respective successors and assigns. 
 (c) This Amendment may be executed in any number of counterparts, all of which counterparts, when taken together, shall constitute one and the same
instrument. 
 (d) This Amendment and the rights and obligations hereunder of each of the parties hereto shall be governed by, and
interpreted and determined in accordance with, the laws of the State of New York, without giving effect to conflicts of laws principles that would provide for the application of the law of any other jurisdiction. 
 (e) WITHOUT LIMITING ANYTHING CONTAINED IN THE LOAN AGREEMENT, TO THE EXTENT LEGALLY PERMISSIBLE, EACH PARTY HERETO WAIVES ALL RIGHT TO TRIAL BY JURY AND
ANY LITIGATION RELATING TO TRANSACTIONS UNDER THIS AMENDMENT, THE LOAN AGREEMENT OR ANY OTHER AGREEMENT, WHETHER SOUNDING IN CONTRACT, TORT OR OTHERWISE. 
 (f) This Amendment constitutes the entire agreement of the parties hereto with respect to the subject matter hereof. 
  

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 IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first above written.

  

			
	BANK OF AMERICA, N.A., as Agent and as a Lender
		
	By:	 	 /s/ Adam Seiden

	Title:	 	VP SR Client Manager
	
	GLOBAL CROSSING ADVANCED CARD SERVICES, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer
	
	GLOBAL CROSSING BANDWIDTH, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer
	
	GLOBAL CROSSING TELECOMMUNICATIONS, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer

 GLOBAL CROSSING NORTH AMERICAN HOLDINGS, INC. 
 GLOBAL CROSSING USA INC. 
 GLOBAL CROSSING HOLDINGS USA, LLC 
 GLOBAL CROSSING NORTH AMERICA, INC. 
 GLOBAL CROSSING LATIN
AMERICA & CARIBBEAN CO. 
 MAC LANDING CORP. 
 GT LANDING CORP. 
 GC PACIFIC LANDING CORP. 
 PAC LANDING CORP. 
 US CROSSING, INC. 
 GLOBAL CROSSING EMPLOYEE SERVICES INC. 
 [SIGNATURES CONTINUED ON NEXT PAGE] 
  

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 [SIGNATURES CONTINUED FROM PREVIOUS PAGE] 
 GLOBAL CROSSING DEVELOPMENT CO. 
 GC DEV. CO., INC. 

ALC COMMUNICATIONS CORPORATION 
 GT LANDING II CORP.

 GLOBAL CROSSING INTERNET DIAL-UP, INC. 
 GLOBAL
CROSSING MANAGEMENT SERVICES, INC. 
 SUBSIDIARY TELCO, LLC 
 GLOBAL CROSSING GLOBALCENTER HOLDINGS, INC. 
 GLOBAL CROSSING TELEMANAGEMENT, INC. 
 GLOBAL CROSSING NORTH AMERICAN NETWORKS, INC. 
 GLOBAL CROSSING
LOCAL SERVICES, INC. 
 GLOBAL CROSSING VENTURES, INC. 
 GLOBAL CROSSING TELEMANAGEMENT VA, LLC 
 BUDGET CALL LONG DISTANCE, INC. 
 METACLORIN INVESTCO II, INC. 
 EQUAL ACCESS NETWORKS, LLC 
 OLD INTER EXCHANGE NETWORKS, INC. 
 BUSINESS TELEMANAGEMENT, INC.

 GLOBAL CROSSING GOVERNMENT MARKETS USA, INC. 
 GLOBAL CROSSING BILLING, INC. 
 GLOBAL CROSSING TELECOMMUNICATIONS-CANADA, LTD. 
 GLOBAL CROSSING CONFERENCING -CANADA, LTD. 
 GLOBAL CROSSING WORLDWIDE CUSTOMER HELP DESK CANADA, LTD., each as a guarantor 
  

			
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer

  

 7Amendment No. 2 to Loan and Security Agreement

 Exhibit 4.2 
 AMENDMENT NO. 2 TO LOAN AND SECURITY AGREEMENT 
 AMENDMENT NO.2 TO LOAN AND SECURITY AGREEMENT, dated as of
September 27, 2006, by and among Global Crossing Advanced Card Services, Inc., Global Crossing Bandwidth, Inc., Global Crossing Telecommunications, Inc. (collectively, “Borrowers”), certain affiliates of Borrowers, as
guarantors (such affiliates, collectively, “Guarantors”), certain financial institutions, as lenders (collectively, the “Lenders”) and Bank of America, N.A., as agent for the Lenders (in such capacity,
“Agent”). 
 WHEREAS, Borrowers, Guarantors, Lenders and Agent are parties to that certain Loan and Security Agreement,
dated as of May 10, 2006 (as amended, restated, renewed, extended, supplemented, substituted or otherwise modified from time to time, the “Loan Agreement”); and 
 WHEREAS, Section 6.2 of the Loan Agreement sets forth certain conditions precedent to the obligation of the Lenders to make the initial Loans and
issue Letters of Credit under the Loan Agreement, including, without limitation, the condition precedent that the Loan Parties deliver a written opinion of special regulatory counsel to the Loan Parties, as more fully set forth in
Section 6.2(i) of the Loan Agreement (the “Regulatory Counsel Opinion”); and 
 WHEREAS, the last paragraph of
Section 6.2 further provides for the limited issuance of Letters of Credit prior to the satisfaction of the conditions precedent set forth in Section 6.2, provided that all LC Obligations arising from such Letters of Credit are Cash
Collateralized; and 
 WHEREAS, on or about the date hereof, Loan Parties are delivering a Regulatory Counsel Opinion covering each
jurisdiction, other than the State of Arizona, in which a Loan Party conducts business or maintains assets; and 
 WHEREAS, the Loan Parties
have requested that, in consideration of the delivery by the Loan Parties of the Regulatory Counsel Opinion, the Agent and the Lenders amend the last paragraph of Section 6.2 of the Loan Agreement to remove the requirement that LC Obligations
be Cash Collateralized; and 
 WHEREAS, Agent and Lenders are willing to accommodate Loan Parties’ request and to amend the Loan
Agreement, subject to the terms and conditions set forth herein. 
 NOW THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are acknowledged, the parties agree, notwithstanding anything in the Loan Agreement to the contrary, as follows: 
 1.
Definitions. Each initially capitalized term used herein shall, unless otherwise provided herein, have the meaning ascribed thereto in the Loan Agreement. 
 2. Amendment. Effective as of the date hereof, the final paragraph of Section 6.2 of the Loan Agreement is hereby amended and restated in its entirety to read as follows: 
 “Notwithstanding anything to the contrary set forth in Section 6.3, but in any event subject to all other terms, conditions and
provisions of this 

 Agreement, Agent, Issuing Bank and Lenders shall (x) in the exercise of their discretion, arrange
for the issuance of Letters of Credit, and (y) fund Loans, but solely for the purpose of and expressly limited to, the reimbursement of fees, costs and expenses chargeable by Agent or any Lender to any Loan Party hereunder or any other Loan
Document.” 
 3. Acknowledgements and Confirmations. 
 (a) Each Loan Party acknowledges, confirms and agrees that (i) Agent and Lenders have not waived the Loan Parties’ obligation to deliver a
Regulatory Counsel Opinion for the State of Arizona, in form and content satisfactory to Agent, as a condition precedent to the Lenders’ obligation to make the initial Loans; and (ii) the Initial Funding Date has not occurred. 

(b) Each Loan Party hereby acknowledges, confirms and agrees that the covenants, agreements and obligations of such Loan Party contained in or
incurred under the Loan Agreement or the Other Agreements to which such Loan Party is a party remain, after the execution and delivery by the Loan Parties hereof and after giving effect hereto, the legal, valid and binding obligations of such Loan
Party, enforceable against such Loan Party in accordance with their respective terms, and such Loan Party has no valid offset, defense or counterclaim to the enforcement of such covenants, agreements and obligations. 
 (c) Each Loan Party hereby ratifies and confirms its respective grant to the Agent, for the ratable benefit of the Lenders, of the first priority
perfected liens upon, and security interests in, its properties and assets heretofore mortgaged, pledged, granted or assigned to the Agent on behalf of the Lenders under the Loan Agreement and the Other Agreements, and acknowledges and confirms that
such first priority perfected liens and security interests, to the extent not heretofore expressly released by Agent in writing, secure and shall continue to secure the Obligations to the Agent and the Lenders under the Loan Agreement and the Other
Agreements, subject only to Permitted Encumbrances. 
 (d) Each Loan Party represents and warrants to Agent and the Lenders that no Default
or Event of Default has occurred and is continuing. 
 (e) Each Loan Party acknowledges and confirms that all representations and warranties
made in the Loan Agreement, the Other Agreements and hereunder shall, other than to the extent heretofore expressly waived by Agent in writing, survive the execution and delivery of this Amendment. 
 4. General Provisions. 
 (a) Except as
specifically set forth herein, no other changes or modifications to the Loan Agreement or the Other Agreements are intended or implied, and in all other respects the Loan Agreement and the Other Agreements remain in full force and effect in
accordance with their respective terms as of the date hereof. 
  

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 (b) This Amendment shall become effective as of the date first written above upon Agent’s receipt of
an original of this Amendment duly executed by each Loan Party and each Lender. This Amendment shall be binding upon and inure to the benefit of each of the parties hereto and their respective successors and assigns. 
 (c) This Amendment may be executed in any number of counterparts, all of which counterparts, when taken together, shall constitute one and the same
instrument. 
 (d) This Amendment and the rights and obligations hereunder of each of the parties hereto shall be governed by, and
interpreted and determined in accordance with, the laws of the State of New York, without giving effect to conflicts of laws principles that would provide for the application of the law of any other jurisdiction. 
 (e) WITHOUT LIMITING ANYTHING CONTAINED IN THE LOAN AGREEMENT, TO THE EXTENT LEGALLY PERMISSIBLE, EACH PARTY HERETO WAIVES ALL RIGHT TO TRIAL BY JURY AND
ANY LITIGATION RELATING TO TRANSACTIONS UNDER THIS AMENDMENT, THE LOAN AGREEMENT OR ANY OTHER AGREEMENT, WHETHER SOUNDING IN CONTRACT, TORT OR OTHERWISE. 
 (f) This Amendment constitutes the entire agreement of the parties hereto with respect to the subject matter hereof. 
 IN WITNESS WHEREOF, the parties hereto have executed this Amendment No. 2 as of the date first above written. 
  

					
	BANK OF AMERICA, N.A., as Agent and as a Lender
			
	By:	  	 /s/ Adam Seiden
	  	
	Title:	  	VP – SR Client Manager	  	
	
	BURDALE FINANCIAL LIMITED, as Lender
			
	By:	  	 /s/ B. Gitlin
	  	 /s/ M. Allrod

	Title:	  	Managing Director	  	Credit Manager
	
	GMAC COMMERCIAL FINANCE LLC, as Lender
			
	By:	  	 /s/ Joseph Skaferowsky
	  	
	Title:	  	Director	  	

 [SIGNATURES CONTINUED ON NEXT PAGE] 
  

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 [SIGNATURES CONTINUED FROM PREVIOUS PAGE] 
  

			
	GLOBAL CROSSING ADVANCED CARD SERVICES, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer
	
	GLOBAL CROSSING BANDWIDTH, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer
	
	GLOBAL CROSSING TELECOMMUNICATIONS, INC., as a Borrower
		
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer

 GLOBAL CROSSING NORTH AMERICAN HOLDINGS, INC. 
 GLOBAL CROSSING USA INC. 
 GLOBAL CROSSING HOLDINGS USA, LLC 
 GLOBAL CROSSING NORTH AMERICA, INC. 
 GLOBAL CROSSING LATIN
AMERICA & CARIBBEAN CO. 
 MAC LANDING CORP. 
 GT LANDING CORP. 
 GC PACIFIC LANDING CORP. 
 PAC LANDING CORP. 
 US CROSSING, INC. 
 GLOBAL CROSSING EMPLOYEE SERVICES INC. 
 GLOBAL CROSSING DEVELOPMENT CO. 
 GC DEV. CO., INC. 
 ALC COMMUNICATIONS CORPORATION 
 GT LANDING II CORP. 
 GLOBAL CROSSING INTERNET DIAL-UP, INC.

 GLOBAL CROSSING MANAGEMENT SERVICES, INC. 
 SUBSIDIARY TELCO, LLC 
 GLOBAL CROSSING GLOBALCENTER HOLDINGS, INC. 
 GLOBAL CROSSING TELEMANAGEMENT, INC. 
 GLOBAL CROSSING NORTH AMERICAN NETWORKS, INC. 
 [SIGNATURES CONTINUED ON NEXT PAGE] 
  

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 [SIGNATURES CONTINUED FROM PREVIOUS PAGE] 
 GLOBAL CROSSING LOCAL SERVICES, INC. 
 GLOBAL CROSSING VENTURES,
INC. 
 GLOBAL CROSSING TELEMANAGEMENT VA, LLC 
 BUDGET CALL LONG DISTANCE, INC. 
 METACLORIN INVESTCO II, INC. 
 EQUAL ACCESS NETWORKS, LLC 
 OLD INTER EXCHANGE NETWORKS, INC. 
 BUSINESS TELEMANAGEMENT, INC. 
 GLOBAL CROSSING GOVERNMENT MARKETS
USA, INC. 
 GLOBAL CROSSING BILLING, INC. 
 GLOBAL
CROSSING TELECOMMUNICATIONS-CANADA, LTD. 
 GLOBAL CROSSING CONFERENCING -CANADA, LTD. 
 GLOBAL CROSSING WORLDWIDE CUSTOMER HELP DESK CANADA, LTD., each as a guarantor 
  

			
	By:	 	 /s/ Roger Kuebel

	Title:	 	Treasurer                    of each
	
	Non-Recourse Guarantor:
	
	 GC PAN EUROPEAN CROSSING LUXEMBOURG II S.A.R.L.

		
	By:	 	 /s/ Roger Kuebel by power-of-attorney

	Title:	 	

  

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