Document:

Exhibit 10.51

 Exhibit 10.51 
 Amendment No. 4 to 
 NETWORK SERVICES AGREEMENT 
 This Amendment No. 4 (the “Amendment No. 4”) to the Network Services Agreement dated January 1, 2004, as
amended by Amendment No.1 dated June 9, 2004, Amendment No. 2 dated January 1, 2005, and Amendment No. 3 dated June 5, 2006 (as amended, the “Agreement”) is hereby entered into by and between
AOL LLC (formerly known as America Online, Inc.), a Delaware corporation with offices at 22000 AOL Way, Dulles, Virginia 20166 (“AOL”) and MCI Communications Services, Inc. d/b/a Verizon Business Services, successor-in-interest to
MCI Network Services, Inc. which was formerly known as MCI WORLDCOM Network Services, Inc., with offices at 22001 Loudoun County Parkway, Ashburn, Virginia 20147 (“Verizon”). Capitalized terms used but not defined
herein shall have the meanings given to them in the Agreement. 
 The parties hereby agree to the following: 
 1.        Amendment No. 4 Effective Date. Provided that Customer executes this Amendment No. 4 on or before the
Acceptance Deadline (as defined below), the rates, charges and discounts reflected herein shall be deemed to be effective on May 1, 2007 (the Amendment No. 4 Effective Date). For purposes of clarification, the parties acknowledge that the
services contemplated by this Amendment No. 4 are billed in arrears. Accordingly, the pricing herein will be billed during the June 2007 billing cycle (if the Amendment is executed by the Acceptance Deadline). If this Amendment is executed by
Customer after the Acceptance Deadline, the Amendment No. 4 Effective Date will be the first day of the second full monthly billing cycle following Customer’s execution. 
 2.        Port Pricing. Section 4.1 of the Agreement is modified to delete the pricing therein associated with Dial-up Access port [****] charges during 2007 for all
hours ‘above [****] of monthly traffic’ and replace with a new rate of [****]. 
 3.        Acceptance
Deadline. This Amendment constitutes an offer which Verizon reserves the right to withdraw in its entirety if this Amendment No. 4 is not executed by Customer on or before April 19, 2007 (the “Acceptance Deadline”).

 4.        Entire Agreement. Except to the extent specifically modified or enlarged by this Amendment
No. 4, all terms and conditions of the Agreement remain in full force and effect. 
 IN WITNESS WHEREOF, duty authorized representatives of the parties
have executed this Amendment No. 4 as of the dates set forth below. 
  

									
	AOL LLC	 		 	Verizon Business Network Services Inc. on behalf of MCI Communications Services, Inc. d/b/a VERIZON BUSINESS SERVICES
					
	By:	 	 /s/ Frank Ambrose
	 		 	By:	 	 /s/ Suleiman Hessami

	Name:	 	 Frank Ambrose
	 		 	Name:	 	 Suleiman Hessami

	Title:	 	SVP	 		 	Title:	 	 
	Date:	 	4/4/07	 		 	Date:	 	4-10-07Exhibit 10.52

 Exhibit 10.52 
 Execution Document 
  

 Amendment No. 5 to 
 NETWORK SERVICES AGREEMENT 
 This Amendment No. 5 (the
“Amendment No. 5”) to the Network Services Agreement dated January 1, 2004, as amended by Amendment No. 1 dated June 9, 2004 and Amendment No. 2 dated January 1, 2005, Amendment No. 3
dated June 5, 2006, and Amendment No. 4 dated April 4, 2007 (as amended, the “Agreement”) is hereby entered into on January 1, 2008 (the “Amendment No. 5 Effective
Date”) by and between AOL LLC (formerly known as America Online, Inc.), a Delaware limited liability company with offices at 22000 AOL Way, Dulles, Virginia 20166 (“AOL”) and MCI Communications Services, Inc. d/b/a
Verizon Business Services, successor-in-interest to MCI Network Services, Inc. which was formerly known as MCI WORLDCOM Network Services, Inc., with offices at 22001 Loudoun County Parkway, Ashburn, Virginia 20147
(“Verizon”). Capitalized terms used but not defined herein shall have the meanings given to them in the Agreement. All references to MCI shall be deemed to refer to Verizon. 
 The parties hereby agree to the following: 
  

	1.	MARKET SHARE COMMITMENT. A new subsection (vii) will be added to Section 3.1, as of the Amendment No. 5 Effective date, as follows: 

(vii)         From January 1, 2008 through December 31, 2009, and if applicable
pursuant to Section 10.1, through December 31, 2010, AOL will purchase from Verizon a minimum annual aggregate of [****] percent [****] of the Total AOL Dial-up Service Hours (the “Market Share Commitment”) at the
corresponding Option #1 prices set forth in Section 4.1 (i) and subject to subsection (vi) above. For avoidance of doubt, the Market Share Commitment shall only be measured annually, not monthly and AOL is not obligated to maintain
monthly market share commitment. AOL may elect to change pricing options, [****], by notifying Verizon in writing, and the new pricing will take effect on the first (1st) day of the month following [****] days after Verizon receives AOL’s written notice. 
  

	2.	TAKE OR PAY REMEDY. As of the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, Section 3.3 is hereby amended by
adding “2008, and 2009, and if applicable pursuant to Section 10.1, 2010” after each instance of “2007.” 

  

	3.	PORT PRICING. Commencing with the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, the following language will
replace Section 4.1(i) in its entirety: 

  

	 	4.1	Port Pricing; Invoicing. 

 (i) The base charge for
each Dial-Up Access Port [****] (the “Port [****]”) shall be as set forth in the following table. 
  

					
	 	 	 
	 Year
  
	  	 [****] per Month
  
	  	 Price per [****]
  

	2008-2009 and, if applicable pursuant to the terms of Section 10.1,
2010.	  	 Option #1
  
 Up to [****] of Monthly Traffic and
 All [****] between [****] Monthly Traffic
 All [****] between [****] Monthly Traffic
 All [****] above [****] of Monthly Traffic
  
	  	  
  
  
 [****]
 [****]
 [****]
 [****]

  

  

					
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	 	 	 Option #2*
	  	 
	 	 	 All [****] if [****] of Monthly Traffic is committed
	  	[****]
	 	 	 Option #3*
	  	 
	 	 	 All [****] if [****] of Monthly Traffic is committed
	  	[****]
	 	 	 Option #4*
	  	 
	 	 	 All [****] if [****] of Monthly Traffic is committed
	  	[****]
	 	 	 Option #5*
	  	 
	 	 	 All [****] if [****] of Monthly Traffic is committed
	  	[****]
	 		 
	 	 	 *  During 2008-2009 and 2010 (if applicable pursuant to
Section 10.1) Customer may elect to change pricing options [****]. As more specifically described in Section 3.1(vii), Customer must notify Verizon in writing and the pricing change will take effect on the first (1st) day of the month following 30 days after Verizon receives AOL’s written notice.

  
	  	 

 For the avoidance of doubt, in 2008-2010 (Option 1 only), only incremental hours each month in
excess of the above volume/price tiers will be priced at the corresponding rate (for instance, if in January 2008, AOL directs [****] of the Total AOL Dial-up Network [****] to Verizon, the initial [****] of those Dial-Up Service Hours will be
maintained at the [****] rate and the remaining incremental [****] will be priced at the [****] rate). 
  

	4.	INVOICING. As of the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, Section 4.1(iv) is hereby amended by
adding “2008, 2009 and if applicable pursuant to Section 10.1, 2010,” after “2007.” 

  

	5.	TOLL FREE PORTS. Commencing on the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, the following language will
replace Section 4.3 in its entirety: 

 4.3        Toll-Free Ports. In
addition to the Services, Verizon shall provide toll-free Dial-Up Access Ports so that AOL members may access toll-free dial-up telephone numbers throughout the United States (“Toll Free Ports”). [****]. The toll-free telephone
numbers shall not be changed without the prior written approval of AOL. Upon reasonable advance notice to Verizon, AOL shall have the right to reassign Toll-Free Ports among different toll-free telephone number pools provided hereunder. AOL may,
upon [****] days notice, cancel any of the Toll Free Ports. 
  

  

					
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	Year	  	Toll-Free Port Price
	 2008
	  	 [****]

	 2009
	  	 [****]

	 2010
	  	 [****]

  

	6.	CFO CERTIFICATIONS. As of the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, Section 5.2 (i) and
(ii) are hereby amended by adding “2008, and 2009, and if applicable pursuant to Section 10.1, 2010” after each instance of “2007.” 

  

	7.	TERM. Commencing with the Amendment No. 5 Effective Date and notwithstanding anything to the contrary in the Agreement, the following language will replace
Section 10.1 in its entirety: 

  

	 	1.1.	10.1        Term. The term of this Agreement shall commence on January 1, 2004 and continue until December 31, 2009
(“Initial Term”). AOL may elect to extend the term of the Agreement for [****] by giving Verizon [****] days notice prior to the expiration of the Initial Term. In the event AOL elects to extend the Initial Term, the Market Share
Commitment and the corresponding pricing shall [****] 

  

	8.	ASSIGNMENT. Section 23.4 of the Agreement shall be deleted and replaced with the following: 

 23.4        No party may assign this Agreement or assign or delegate its rights or obligations under the Agreement
without the prior written consent of the other party, whose consent shall not be unreasonably withheld; except that either party may assign this Agreement or its rights and obligations under this Agreement without the approval of the other party to
an entity which acquires all or substantially all of the assets of the assigning party, or all or substantially all of the assets utilizing the Services, to any Affiliate of the assigning party, or to a successor in a merger or acquisition of the
assigning party upon prior written notice to the other party. Subject to the 

  

  

					
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forgoing, this Agreement will be fully binding upon, inure to the benefit of and be enforceable by the Parties hereto and their respective successors and
permitted assigns. 
  

	9.	OTHER TERMS AND CONDITIONS. Except as specifically amended or modified herein, the terms and conditions of the Agreement will remain in full force and effect
throughout the Term and any extensions thereof. In the event of any conflict between the terms of this Amendment No. 5 and the terms of the Agreement, the terms of this Amendment No. 5 shall govern. 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement effective as of the Amendment No. 5 Effective Date. 
  

									
	 AOL LLC
	 		 	Verizon Business Network Services, Inc. on behalf of MCI Communications, Inc. d/b/a Verizon Business Services
					
	By:	 	 /s/ Nisha Kumar
	 		 	By:	 	 /s/ Suleiman Hessami

	Name:	 	 Nisha Kumar
	 		 	Name:	 	 Suleiman Hessami

	Title:	 	CFO	 		 	Title:	 	 
	Date:	 	12/12/07	 		 	Date:	 	12/20/07

  

  

					
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