Document:

Patent Security Agreement

 Exhibit 10.5 
  
 PATENT SECURITY AGREEMENT 
  
 This PATENT SECURITY AGREEMENT (this “Patent Security Agreement”) is made this 10th day of June 2005, among the Grantors listed on the
signature pages hereof (collectively, jointly and severally, “Grantors” and each individually “Grantor”), and WELLS FARGO FOOTHILL, INC., in its capacity as administrative agent for the Lender Group and the Bank Product
Provider (together with its successors, “Agent”). 
  
 WITNESSETH: 
  
 WHEREAS, pursuant to that certain Credit
Agreement of even date herewith (as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”) among SAVVIS Communications Corporation, a Missouri corporation, as borrower (the
“Borrower”), SAVVIS, Inc. (f/k/a SAVVIS Communications Corporation), a Delaware corporation, the lenders party thereto as “Lenders” (“Lenders”), and Agent, the Lender Group is willing to make certain
financial accommodations available to the Borrower pursuant to the terms and conditions thereof; and 
  
 WHEREAS, the members of Lender Group are willing to make the financial accommodations to Borrower as provided for in the Credit Agreement, but only upon
the condition, among others, that the Grantors shall have executed and delivered to Agent, for the benefit of the Lender Group and the Bank Product Provider, that certain Security Agreement of even date herewith (including all annexes, exhibits or
schedules thereto, as from time to time amended, restated, supplemented or otherwise modified, the “Security Agreement”); 
  
 WHEREAS, pursuant to the Security Agreement, Grantors are required to execute and deliver to Agent, for the benefit of the Lender Group and the Bank
Product Provider, this Patent Security Agreement; 
  
 NOW,
THEREFORE, in consideration of the premises and mutual covenants herein contained and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, each Grantor hereby agrees as follows: 
  
 1. DEFINED TERMS. All capitalized terms used but not otherwise defined
herein have the meanings given to them in the Security Agreement and/or the Credit Agreement. 
  
 2. GRANT OF SECURITY INTEREST IN PATENT COLLATERAL. Each Grantor hereby grants to Agent, for the benefit of the Lender Group and the Bank Product Provider, a continuing first priority security interest in all
of such Grantor’s right, title and interest in, to and under the following, whether presently existing or hereafter created or acquired (collectively, the “Patent Collateral”): 
  
 (a) all of its Patents and Patent Intellectual Property
Licenses to which it is a party including those referred to on Schedule I hereto; 
  

 (b) all reissues, continuations or extensions of the foregoing; and 
  
 (c) all products and proceeds of the foregoing, including,
without limitation, any claim by such Grantor against third parties for past, present or future infringement or dilution of any Patent or any Patent licensed under any Intellectual Property License. 
  
 3. SECURITY AGREEMENT. The security interests granted pursuant to this
Patent Security Agreement are granted in conjunction with the security interests granted to Agent, for the benefit of the Lender Group and the Bank Product Provider, pursuant to the Security Agreement. Each Grantor hereby acknowledges and affirms
that the rights and remedies of Agent with respect to the security interest in the Patent Collateral made and granted hereby are more fully set forth in the Security Agreement, the terms and provisions of which are incorporated by reference herein
as if fully set forth herein. 
  
 4. AUTHORIZATION TO
SUPPLEMENT. If any Grantor shall obtain rights to any new patentable inventions or become entitled to the benefit of any patent application or patent for any reissue, division, or continuation, of any patent, the provisions of this Patent
Security Agreement shall automatically apply thereto. Grantors shall give prompt notice in writing to Agent with respect to any such new patent rights. Without limiting Grantors’ obligations under this Section 4, Grantors hereby
authorize Agent unilaterally to modify this Agreement by amending Schedule I to include any such new patent rights of Grantors. Notwithstanding the foregoing, no failure to so modify this Patent Security Agreement or amend Schedule I
shall in any way affect, invalidate or detract from Agent’s continuing security interest in all Collateral, whether or not listed on Schedule I. 
  
 5. COUNTERPARTS. This Patent Security Agreement 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 Patent Security Agreement or any other Loan Document 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 by e-mail transmission shall be deemed an original signature hereto. 
  
 [SIGNATURE PAGE FOLLOWS] 
  

 -2- 

 IN WITNESS WHEREOF, each Grantor has caused this Patent Security Agreement to be executed and delivered
by its duly authorized officer as of the date first set forth above. 
  

			
	 SAVVIS COMMUNICATIONS CORPORATION,
 a
Missouri corporation

		
	 By:
	 	 /s/ Jeffrey H. Von Deylen

	 Name:
	 	 Jeffrey H. Von Deylen

	 Title:
	 	Executive Vice President and Chief Financial Officer
	
	ACCEPTED AND ACKNOWLEDGED BY:
	
	 WELLS FARGO FOOTHILL, INC., as Agent

		
	 By:
	 	 /s/ Phyliss Hasen

	 Name:
	 	 Phyliss Hasen

	 Title:
	 	 Senior Vice President

  
 Signature Page to Patent
Security Agreement 
  

  
 Schedule I 

Patents and Patent Intellectual Property Licenses 
  

	1.	Patents 

  
 Pending U.S. Patent Applications: 
  

					
	 Title

	  	 Application No.

	  	 Filed

	Configurable adaptive global traffic control and management	  	10/259,497	  	September 30, 2002
			
	Managed Object Replication	  	10/073,938	  	February 14, 2002
			
	Systems, methods and protocols for securing data in transit over networks	  	10/190,495	  	July 9, 2002
			
	Integrity Monitoring System and Data Visualization Tool for Viewing Data Generated Thereby	  	10/768,738	  	February 2, 2004
			
	Event monitoring system and method	  	10/318,025	  	December 13, 2002
			
	Product toolkit system and method	  	10/315,214	  	December 10, 2002
			
	Real-time streaming media measurement system and method	  	10/174,481	  	June 19, 2002
			
	System and method for providing composite variance analysis for network operation	  	10/743,732	  	December 24, 2003
			
	System and method for preventing comprehension of a printed document	  	09/612,598	  	July 2, 2003
			
	Optimized network resource location	  	09/930,975	  	August 17, 2001
			
	Internet content delivery network	  	10/095,811	  	March 13, 2002
			
	Secured shared storage architecture	  	10/173,512	  	June 14, 2002
			
	Methods and systems for shared storage virtualization	  	10/192,182	  	July 9, 2002
			
	On-demand overlay routing for computer-based communication networks	  	10/630,559	  	July 30, 2003
			
	Method and System for Optimizing Routing of Data Packets	  	11/013,361	  	December 17, 2004
			
	Identifying and requesting data in network using identifiers which are based on contents of data (co-owned with Kinetech)	  	09/987,723	  	November 15, 2001
			
	Identifying data in a data processing system (co-owned with Kinetech)	  	10/742,972	  	December 23, 2003
			
	Content Delivery Network and Associated Methods and Mechanisms	  	11/017,650	  	December 22, 2004
			
	Filed/Not Published	  	10/430,375	  	May 7, 2003
			
	Filed/Not Published	  	09/603,174	  	June 23, 2000

  
 Issued U.S. Patents:

  

					
	 Patent Name

	  	 Registration No.

	  	 Date Issued

	System and method for providing composite variance analysis for network operation	  	6,708,137	  	March 16, 2004
			
	Optimized network resource location	  	6,185,598	  	February 6, 2001
			
	Internet content delivery network	  	6,654,807	  	November 25, 2003
			
	Document management system and method for business quality modeling	  	6,154,753	  	November 28, 2000
			
	On-demand overlay routing for computer-based communication networks	  	6,275,470	  	August 14, 2001
			
	On-demand overlay routing for computer-based communication networks	  	6,473,405	  	October 29, 2002

  
 Signature Page to Patent Security
Agreement 
  

					
	On-demand overlay routing for computer-based communication networks	  	6,778,502	  	August 17, 2004
			
	Method and system for optimizing routing of data packets	  	6,130,890	  	October 10, 2000
			
	Data processing system using substantially unique identifiers to identify data items, whereby identical data items have the same identifiers (co-owned with Kinetech)	  	5,978,791	  	November 2, 1999
			
	Identifying and requesting data in network using identifiers which are based on contents of data (co-owned with Kinetech)	  	6,415,280	  	July 2, 2002
			
	Service network incorporating geographically-remote hubs linked by high speed transmission paths	  	6,044,405	  	March 28, 2000
			
	Method and system for optimizing routing of data packets	  	6,870,851	  	March 22, 2005
			
	Method for cloning a source application with assignment of unique identifier to clone application	  	6,088,516	  	July 11, 2000

  
 Foreign Patents or Applications:

  

					
	 Country / Entity

	  	 App. No.

	  	 Patent No.

	Korea	  	10-2004-70046B	  	 
			
	China	  	2821371.8	  	 
			
	EPO	  	2799672.7	  	 
			
	Japan	  	2003-531370	  	 
			
	Japan	  	2003-568495	  	 
			
	Korea	  	10-2004-7012607	  	 
			
	Europe	  	3739748.6	  	 
			
	China	  	 	  	 
			
	Canada	  	2320261	  	 
			
	Europe	  	99906680.6	  	 
			
	Hong Kong	  	1103543.5	  	 
			
	Europe	  	128346.4	  	EP (UK) 1143337 B1
			
	Sweden	  	 	  	128346.4
			
	Germany	  	 	  	699 09 839.4-08
			
	Australia	  	26529/99	  	763539
			
	Japan	  	2000-530860	  	 
			
	Norway	  	20004010	  	 
			
	Europe	  	2782505.8	  	 
			
	Europe	  	2752239	  	 
			
	Japan	  	2001-504633	  	 
			
	Europe	  	941508.4	  	 
			
	Canada	  	2,374,621	  	 
			
	Taiwan	  	88116516	  	133064
			
	Japan	  	531073/1996	  	 
			
	Europe	  	96910762.2	  	 
			
	Europe	  	979234093	  	 
			
	Canada	  	2224664	  	2224664
			
	Australia	  	29221/97	  	736773
			
	Japan	  	9-537246	  	 
			
	New Zealand	  	329369	  	 

  

 -5- 

	2.	Patent Intellectual Property Licenses 

  
 Borrower, as successor in interest to Digital Island, Inc., has a license to use technology jointly owned with Kinetech, Inc. pursuant to that certain License Agreement,
dated September 1, 2000, among Digital Island, Inc. and Kinetech, Inc. 
  
 Borrower has a license to use technology owned by Inkra Networks Corporation pursuant to that certain Technology Agreement, dated May 24, 2005, among Borrower and Inkra Networks Corporation. 
  

 -6-Amendment No. 1 to the Amended and Restated Securities Purchase Agreement

 Exhibit 10.6 
  
 Execution Copy 
  
 AMENDMENT NO. 1 
  
 to 
  
 AMENDED AND RESTATED SECURITIES PURCHASE AGREEMENT 
  
 Amendment No. 1, dated as of June 10, 2005 (the “Amendment”), to the Amended and Restated Securities Purchase Agreement, dated as of
February 9, 2004 (the “Existing Agreement”), by and among SAVVIS, Inc., a Delaware corporation (the “Company”) and the persons and entities listed on the signature pages hereto (the “Purchasers”).
Capitalized terms used herein and not otherwise defined have the meanings ascribed to them in the Existing Agreement. 
  
 WHEREAS, the Company and the Purchasers are parties to the Existing Agreement pursuant to which the Company initially issued its Series A Subordinated
Notes, which Notes pay interest in additional Series A Subordinated Notes (collectively, the “Notes”); 
  
 WHEREAS, the Notes state that capitalized terms used herein but not otherwise defined shall have the meanings ascribed to them in the Existing Agreement;

  
 WHEREAS, the term “Change of Control” is used in the
Notes but is not defined in the Existing Agreement; 
  
 WHEREAS,
the parties hereto wish to amend the Existing Agreement to add a definition of “Change of Control”; 
  
 WHEREAS, Section 10 of the Notes provides that the Company may not make any distributions of or with respect to its capital stock; and 
  
 WHEREAS, the Purchasers wish to waive the terms of Section 10 of the Notes to
allow the Company to make payments in cash in lieu of factional shares in connection with a reverse stock split of the Company’s common stock; 
  

 NOW, THEREFORE, in consideration of the mutual promises, representations, warranties, covenants and
conditions set forth in this Agreement, the parties hereto agree to amend the Existing Agreement and the Purchasers consent to the waiver of certain provisions in the Notes as follows: 
  
 ARTICLE I 
  
 AMENDMENTS 
  
 Section 1.01. Amendments. Article VIII of the Existing Agreement is hereby amended to add the following: 
  
 “Section 8.15 Definition of Change of Control. For the purposes
of this Agreement and the Notes, “Change of Control” shall mean the occurrence of any of the following events: (a) any Person (other than a Permitted Holder) or group within the meaning of Section 13(d)(3) of the Exchange Act (a
“Group”) (other than a Group of Permitted Holders) is or becomes the beneficial owner (as defined in Rule 13d-3 and Rule 13d-5 under the Exchange Act, except that a Person shall be deemed to have “beneficial ownership” of
all securities that such Person has the right to acquire, whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of more than 50% of the total voting power of shares of capital stock ordinarily
having the power to vote generally for the election of directors of the Company (“Voting Stock”); or (b) the Company sells, assigns, conveys, transfers, leases or otherwise disposes of all or substantially all of its assets, as an
entirety in a single transaction or series of related transactions, to any Person (other than a Permitted Holder) or Group (other than a Group of Permitted Holders), (c) the Company consolidates with, or merges with or into, another Person, or any
Person consolidates with, or merges with or into the Company, in any such event pursuant to a transaction in which the Voting Stock of the Company is converted into or exchanged for cash, securities or other property, other than any such transaction
where (i) the outstanding Voting Stock of the Company is converted into or exchanged for Voting Stock of the surviving or transferee corporation or its parent corporation and/or cash, securities or other property and (ii) immediately after such
transaction no Person (other than a Permitted Holder) or Group (other than a Group of Permitted Holders) is the beneficial owner (as defined in Rule 13d-3 and Rule 13d-5 under the Exchange Act, except that a Person shall be deemed to have
“beneficial ownership” of all securities that such Person has the right to acquire, whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of more than 50% of the total Voting Stock of the
surviving or transferee corporation, as applicable; or (d) during any consecutive two-year period, individuals who at the beginning of such period constituted the board of directors of the Company (together with any new directors whose nomination
for election by the stockholders of the Company or whose election as director was approved by a vote of a majority of the directors then still in office who were either directors at the beginning of such period or whose election or nomination for
election was previously so approved) cease for any reason to constitute a majority of the board of directors then in office. For the purposes of this definition, “Permitted Holders” means (a) Welsh, Carson, Anderson & Stowe VI,
LP; Welsh, Carson, Anderson & Stowe VII, L.P.; Welsh, Carson, Anderson & Stowe VIII, L.P.; WCAS Information Partners, L.P.; WCAS Capital Partners II, L.P.; WCAS VI Partners, L.P.; WCAS VII Partners, L.P.; WCAS VIII Associates; WCAS INFO
Partners; WCAS CP II Partners; and the individual general partners of each of the foregoing partnerships; and (b) any Affiliate of any of the Persons listed in clause (a) of this definition who are controlled by such Person. For the purposes of this
definition, “Person” means any individual, corporation, partnership, limited liability company, joint venture, association, joint-stock issuer, interest, trust or unincorporated organization (including any 

  

 2 

 
subdivision or ongoing business of any such entity or substantially all of the assets of any such entity, subdivision or business) and
“Affiliate” means, of any specified Person, any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For purposes of this definition,
“control” (including, with correlative meanings, the terms “controlling,” “controlled by” and “common control with”), as used with respect to any specified Person, shall mean the possession, directly or
indirectly, of the power to direct or cause the direction of the management or policies of such other Person, whether through the ownership of capital stock, by agreement of or otherwise. . 
  
 ARTICLE II 
  
 WAIVERS 
  
 Section 2.01. Waiver. Each of the Purchasers, on its own behalf and on behalf of any subsequent holder of such
Purchaser’s Notes, hereby waives the provisions of Section 10 of the Notes which prohibits the making of any distributions of or with respect to the Company’s capital stock, provided, however that this waiver is limited to,
and for the sole purpose of allowing, the making by the Company of payments in cash in lieu of factional shares in connection with a reverse stock split of the Company’s common stock; provided, further, however, that the
aggregate amount of such payments may not exceed $250,000. 
  
 ARTICLE III 
  
 MISCELLANEOUS 
  
 Section 3.01. Governing Law. This Agreement shall be governed
by and construed in accordance with the laws of the State of New York, without regard to conflict of laws principles. 
  
 Section 3.02. Headings. Headings of sections and paragraphs of this Amendment are inserted for convenience of reference only and shall not
affect the interpretation or be deemed to constitute a part hereof. 
  
 Section 3.03. Severability. In the event that any one or more of the provisions contained in this Amendment or in any other instrument referred to herein shall, for any reason, be held to be invalid, illegal or unenforceable,
such invalidity, illegality or unenforceability shall not affect any other provisions of this Amendment. 
  
 Section 3.04. Counterparts. This Amendment may be executed in two or more counterparts, each of which shall be deemed an original, but all
of which together shall constitute one and the same instrument. 
  
 Section 3.05. Parties in Interest. All covenants, agreements and waivers contained in this Amendment by or on behalf of any party hereto shall bind and inure to the 

  

 3 

 
benefit of the respective successors and assigns of such party hereto and, with respect to the Purchasers, subsequent holders of any Notes, whether so
expressed or not 
  
 [The remainder of this page intentionally has
been left blank.] 
  

 4 

  
 IN WITNESS WHEREOF, the
Company and the Purchaser have executed this Amendment as of the day and year first above written. 
  

			
	 SAVVIS, INC

		
	By:	 	 /s/ Jeffrey H. Von Deylen

	 Name:
	 	 Jeffrey H. Von Deylen

	 Title:
	 	 Chief Financial Officer

	
	 WELSH, CARSON, ANDERSON & STOWE VIII, L.P.

	
	 By WCAS VIII Associates LLC,
       General Partner

		
	By:	 	 /s/ Jonathan M. Rather

	 Jonathan M. Rather

	 Managing Member

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 WELSH, CARSON, ANDERSON & STOWE VII, L.P.

	
	 By WCAS VII Partners L.P.,
       General Partner

		
	By:	 	 /s/ Jonathan M. Rather

	 Jonathan M. Rather

	 General Partner

	
	 WELSH, CARSON, ANDERSON & STOWE VI, L.P.

	
	 By WCAS VI Partners L.P.,
       General Partner

		
	By:	 	 /s/ Jonathan M. Rather

	 Jonathan M. Rather

	 General Partner

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 WCAS MANAGEMENT CORPORATION

		
	By:	 	 /s/ Jonathan M. Rather

	 Jonathan M. Rather

	 Treasurer

	
	 Russell Carson
 The Bruce K. Anderson 2004 Irrevocable Trust
 IRA FBO Bruce K. Anderson
 Andrew Paul
 Robert A. Minicucci
 Anthony J. De Nicola
 Paul B. Queally
 D. Scott Mackesy
 Sanjay Swani
 IRA FBO James R. Matthews
 Sean Traynor
 John Almeida
 Eric J. Lee
 IRA FBO Jonathan M. Rather
 James Hoover (IRA)
 Richard Stowe
 Laura Van Buren

		
	By:	 	 /s/ Jonathan M. Rather

	 Jonathan M. Rather

	 Individually and as Attorney-in-Fact

	
	 DANIEL ANDERSON TRUST

		
	By:	 	 
	 Name:

	 Title:

	
	 KRISTIN ANDERSON TRUST

		
	By:	 	 
	 Name:

	 Title:

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 MARK ANDERSON TRUST

		
	 By:
	 	 
	 Name:
	 	 
	 Title:
	 	 

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 CONSTELLATION VENTURE CAPITAL II, L.P.

		
	 By:
	 	 Constellation Ventures Management, L.L.C.,
 its General Partner

		
	 By:
	 	 The Bear Stearns Companies, Inc.,
 its Managing Member

		
	 By:
	 	 
	 	 	 Name:

	 	 	 Title:

	
	CONSTELLATION VENTURE CAPITAL OFFSHORE II, L.P.
		
	 By:
	 	 Constellation Ventures Management, L.L.C.,
 its General Partner

		
	 By:
	 	 The Bear Stearns Companies, Inc.,
 its Managing Member

		
	 By:
	 	 
	 	 	 Name:

	 	 	 Title:

	
	 THE BSC EMPLOYEE FUND IV, L.P.

		
	 By:
	 	 Constellation Ventures Management, L.L.C.,
 its General Partner

		
	 By:
	 	 The BSCGP, Inc.,
 its Managing Member

		
	 By:
	 	 
	 	 	 Name:

	 	 	 Title:

	
	 CVC II PARTNERS, L.L.C.

		
	 By:
	 	 
	 	 	 Name:

	 	 	 Title:

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 OAK HILL SPECIAL OPPORTUNITIES FUND, L.P.

		
	By:	 	 Oak Hill Special Opportunities GenPar, L.P.,
 its General Partner

		
	By:	 	 Oak Hill Special Opportunities MGP, LLC,
 its General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 OAK HILL SPECIAL OPPORTUNITIES FUND (MANAGEMENT), L.P.

		
	 By:
	 	 Oak Hill Special Opportunities GenPar, L.P.,
 its General Partner

		
	 By:
	 	 Oak Hill Special Opportunities MGP, LLC,
 its General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 OAK HILL SECURITIES FUND, L.P.

		
	By:	 	 Oak Hill Securities Gen Par, L.P.
 its General Partner

		
	By:	 	 Oak Hill Securities MGP, Inc.,
 its General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 OAK HILL SECURITIES FUND II, L.P.

		
	 By:
	 	 Oak Hill Securities Gen Par II, L.P.
 its General Partner

		
	 By:
	 	 Oak Hill Securities MGP II, Inc.,
 its General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 LERNER ENTERPRISES, L.P.

		
	 By:
	 	 Oak Hill Advisors, L.P.,
 Successor to
 Oak Hill Asset Management, Inc.
 As advisor and attorney-in-fact to
 Lerner Enterprises, L.P.

		
	 By:
	 	 Oak Hill Advisors, L.P.,
 its General Partner

		
	 By:
	 	 Oak Hill Advisors, MGP, Inc.,
 its Managing General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	P&PK FAMILY LTD. PARTNERSHIP
		
	By:	 	 Oak Hill Advisors, L.P.,
 Successor to
 Oak Hill Asset Management, Inc.
 As advisor and attorney-in-fact to
 P&PK Family Ltd. Partnership

		
	 By:
	 	 Oak Hill Advisors GenPar, L.P.,
 its General Partner

		
	 By:
	 	 Oak Hill Advisors, MGP, Inc.,
 its Managing General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 CARDINAL INVESTMENT PARTNERS I, L.P.

		
	 By:
	 	 Oak Hill Asset Advisors, L.P.,
 Successor to
 Oak Hill Asset Management, Inc.
 As advisor and attorney-in-fact to
 Cardinal Investment Partners I, L.P.

		
	 By:
	 	 Oak Hill Advisors GenPar, L.P.,
 its General Partner

		
	 By:
	 	 Oak Hill Advisors, MGP, Inc.,
 its Managing General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 OAK HILL CREDIT ALPHA FUND, L.P.

		
	By:	 	 Oak Hill Credit Alpha Gen Par, L.P.
 its General Partner

		
	By:	 	 Oak Hill Credit Alpha MGP, Inc.,
 its General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 OAK HILL CREDIT ALPHA FUND (OFFSHORE), LTD.

		
	 By
	 	 /s/ William H. Bohnsack, Jr.

	 	 	 Name:  William H. Bohnsack, Jr.

	 	 	 Title:   Director

  
 [Signature page
to Amendment to Securities Purchase Agreement] 
  

			
	 OAK HILL ADVISORS, L.P.
 as Investment Manager for
 The Leland Stanford Junior University

		
	By:	 	 Oak Hill Advisors GenPar, L.P.,
 its General Partner

		
	 By:
	 	 Oak Hill Advisors MGP, Inc.
 its Managing General Partner

		
	 By
	 	 /s/ Glenn R. August

	 	 	 Name:  Glenn R. August

	 	 	 Title:   President

	
	 CARDINAL FUND I, L.P.

		
	 By:
	 	 Cardinal Management I, L.P.,
 its General Partner

		
	 By:
	 	 Cardinal MGP, LLC,
 its General Partner

		
	 By
	 	 /s/ John H. Fant

	 	 	 Name:  John H. Fant

	 	 	 Title:   Vice President

	
	 FW SAVVIS INVESTORS, L.P.

		
	 By:
	 	 Group VI 31, L.L.C.,
 its General Partner

		
	 By
	 	 /s/ John H. Fant

	 	 	 Name:  John H. Fant

	 	 	 Title:   Vice President

	
	 GIP SAVVIS HOLDINGS, LLC

		
	 By
	 	 /s/ Andrew Tainiter

	 	 	 Name:  Andrew Tainiter

	 	 	 Title:   Director

  
 [Signature page
to Amendment to Securities Purchase Agreement]

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