**Exhibit 10(b)(7)(o)**

**SIXTH OMNIBUS AMENDMENT**

This **SIXTH OMNIBUS AMENDMENT**, dated as of December 15, 2010 (as amended, modified, waived, supplemented or restated from time to time, this **“SixthAmendment”**), is by and among: 

(1) **U.S. BANK NATIONAL ASSOCIATION**(**“U.S.Bank”**), not in its individual capacity, but solely as Custodian (in such capacity, the **“Custodian”**) and as indenture trustee (in such capacity, the **“Indenture Trustee”**) under the Indenture(as defined below); 

(2) **CITIBANK, N.A.**(**“Citibank”**), as a Liquidity Bank (in suchcapacity, the **“Liquidity Bank”**) under the Note Purchase Agreement (as defined below) and as the Note Purchaser Agent (in such capacity, the **“Note Purchaser Agent”**) under the Note Purchase Agreement (asdefined below); 

(3) **CHARTA, LLC (****“Charta”**), as an Investor (in such capacity, the**“Investor”**) under the Note Purchase Agreement (as defined below); 

(4) **NEWSTAR WAREHOUSE FUNDING2005 LLC**(**“NewStar LLC”**), as Issuer (in such capacity, the **“Issuer”**) under the Indenture and the Note Purchase Agreement and as Purchaser (in such capacity, the **“Purchaser”**)under the Sale and Servicing Agreement (as defined below); 

(5) **NEWSTAR FINANCIAL, INC.**(**“NewStarFinancial”**), as Seller (in such capacity, **“Seller”**) and as Servicer (in such capacity, **“****Servicer****”**) under the Sale and Servicing Agreement and the Note Purchase Agreement; and

(6) **LYON FINANCIAL SERVICES, INC.**, d/b/a U.S. Bank Portfolio Services (**“USBPS”**), asBackup Servicer (in such capacity, **“Backup Servicer”**) under the Sale and Servicing Agreement. 

**INTRODUCTORY STATEMENT**

NewStar Financial, as Seller and as Servicer, NewStar LLC, as Purchaser, and USBPS, as Backup Servicer, are parties to the Amended and Restated Sale and Servicing Agreement, dated as of November 19,2008 (as amended, restated or otherwise modified from time to time, the **“Sale and Servicing Agreement”**). 

NewStar LLC, as Issuer, and U.S. Bank, as Indenture Trustee and as Custodian, are parties to the Amended and Restated Indenture, dated as of November 19, 2008 (as amended, restated or otherwisemodified from time to time, the **“Indenture”**). 

NewStar LLC, as Issuer, NewStar Financial, as Sellerand Servicer, the Liquidity Banks party thereto, the Investors party thereto and Citibank (as successor to Citicorp North America, Inc., the initial Note Purchaser Agent), as Note Purchaser Agent are parties to the Note Purchase Agreement, dated asof November 19, 2008 (as amended, restated or otherwise modified from time to time, the **“Note Purchase Agreement”** and, together with the Sale and Servicing Agreement and the Indenture, the “**TransactionDocuments”**). **Appendix A** (Usage and Definitions) to each of the Transaction Documents, as amended from time to time, is referred to as the “**Appendix A**.” 

The parties wish to amend the Sale and Servicing Agreement, effective as ofthe Sixth Amendment Effective Date (as defined below) on the terms and conditions set forth herein. 

Accordingly, the parties hereto agree as follows: 

**Section 1. Definitions.** Unless otherwise defined herein, all defined terms that are defined in the Sale and ServicingAgreement (as amended by this Sixth Amendment) or, if not therein defined, in the Note Purchase Agreement or, if not therein defined, in the Indenture (including, in each case, the Appendix A to each such agreement), shall have the same meaningswhen used herein. 

**Section 2. Amendment to Sale and Servicing Agreement.**

Effective as of the Sixth Amendment Effective Date, Section 2.7(a) of the Sale and Servicing Agreement ishereby amended by deleting the phrase “end on December 15, 2010 or end on and exclude such earlier date on which the Note Purchaser Agent provides written notice to the Purchaser and the Servicer that the Revolving Period hasterminated” appearing in clause (ii) thereof and substituting therefor the phrase “end on January 31, 2011 or end on and exclude such earlier date on which the Note Purchaser Agent provides written notice to the Purchaser and theServicer that the Revolving Period has terminated”. 

**Section 3. Representations and Warranties of NewStar LLC andNewStar Financial.**

Each of NewStar LLC and NewStar Financial represents and warrants (whichrepresentations and warranties shall survive the execution and delivery hereof) to the Note Purchaser Agent, the Note Purchasers, the Indenture Trustee, the Issuing Bank, the Custodian and the Backup Servicer that: 

(a) it has the corporate or limited liability company power and authority to execute, deliver and carry out the terms andprovisions of this Sixth Amendment and has taken or caused to be taken all necessary corporate or limited liability company action to authorize the execution, delivery and performance of this Sixth Amendment; 

(b) no consent of any person and no action of, or filing with any governmental or public body or authority is required toauthorize, or is otherwise required in connection with the execution, delivery and performance of this Sixth Amendment which has not been obtained; 

(c) this Sixth Amendment been duly executed and delivered by a duly authorized officer on behalf of such party, and constitutes a legal, valid and binding obligation of such party enforceable against suchparty in accordance with its terms, subject to bankruptcy, reorganization, insolvency, moratorium and other similar laws affecting the enforcement of creditors’ rights generally and the exercise of judicial discretion in accordance with generalprinciples of equity; and 

 
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(d) the execution, delivery and performance of this Sixth Amendment will notviolate any law, statute or regulation, or any order or decree of any court or governmental instrumentality, or conflict with, or result in the breach of, or constitute a default under any contractual obligation of such party. 

**Section 4. Conditions to Effectiveness.**

This Sixth Amendment shall become effective as of December 15, 2010 (the “Sixth Amendment EffectiveDate”) when the Note Purchaser Agent shall have received fully executed counterparts of this Sixth Amendment. 

Each of the Issuer, the Seller, Citibank and Charta hereby authorizes, consents and directs the Indenture Trustee to execute this Sixth Amendment. 

**Section 5. Confirmation and Acknowledgement of the Obligations.**

As of the Sixth Amendment Effective Date, NewStar LLC hereby (i) confirms and acknowledges to the Note PurchaserAgent and the Note Purchasers that it is validly and justly indebted to the Note Purchaser Agent, any other Noteholders, the Note Purchasers and any other Persons party to the Basic Documents, as applicable, for the payment of all obligations dueunder the Basic Documents without offset, defense, cause of action or counterclaim of any kind or nature whatsoever and (ii) reaffirms and admits the validity and enforceability of the Indenture, the Notes and the other Basic Documents. NewStarFinancial hereby confirms and acknowledges its obligations under the Basic Documents and confirms that they will remain in effect following the execution and delivery of this Sixth Amendment. 

**Section 6. Ratification of Basic Documents.**

(a) This Sixth Amendment shall be limited precisely as written and shall not be deemed (i) to be a consent grantedpursuant to, or a waiver or modification of, any other term or condition of the Notes or the Basic Documents, or a waiver of any Event of Default or Servicer Event of Default under the Notes, the Indenture or the other Basic Documents, whether ornot known to the Note Purchaser Agent, any other Noteholder, the Note Purchasers or the Indenture Trustee or (ii) to prejudice any other right or rights which the Note Purchaser Agent, any other Noteholder, the Note Purchasers, the IndentureTrustee or the Backup Servicer may now have or have in the future under or in connection with the Notes or the Basic Documents or any of the instruments or agreements referred to therein. Except to the extent hereby modified, the Notes and each ofthe Basic Documents shall continue in full force and effect in accordance with the provisions thereof on the date hereof and the Notes and the Basic Documents as heretofore amended or modified and as modified by this Sixth Amendment are herebyratified and affirmed. After this Sixth Amendment becomes effective, all references to the Sale and Servicing Agreement, “hereof,” “herein,” or words of similar effect referring to the Sale and Servicing Agreement shall be deemedto mean the Sale and Servicing Agreement as amended hereby. 

 
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(b) (i) The Note Purchaser Agent, the Indenture Trustee, the Backup Servicerand the Secured Parties reserve all of their legal rights and remedies in respect of any Potential Event of Default, Potential Servicer Event of Default, Servicer Event of Default or Event of Default under the Notes, any of the Basic Documents orotherwise and all rights and remedies with respect to the Collateral, (ii) no failure on the part of the Note Purchaser Agent, the Indenture Trustee, the Backup Servicer or any Secured Party to exercise, and no delay in exercising, any right,power or remedy shall operate as a waiver thereof, nor shall any single or partial exercise of any such right, power or remedy by any such party preclude any other or further exercise thereof or the exercise of any other right, power or remedy, and(iii) nothing contained herein shall be deemed to relieve NewStar LLC and NewStar Financial from any of their respective responsibilities and obligations under the Basic Documents or any other document related thereto. 

**Section 7. GOVERNING LAW; JURISDICTION.**

**THIS SIXTH AMENDMENT, IN ACCORDANCE WITH SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW OF THE STATE OF NEW YORK, SHALLBE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO ANY CONFLICTS OF LAWS PRINCIPLES THEREOF THAT WOULD CALL FOR THE APPLICATION OF THE LAWS OF ANY OTHER JURISDICTION.**

**Section 8. Severability.**

If any provisions of this Sixth Amendment shall be held invalid or unenforceable in whole or in part in any jurisdiction, such provision shall, as to such jurisdiction, be ineffective to the extent ofsuch invalidity or enforceability without in any manner affecting the validity or enforceability of such provision in any other jurisdiction or the remaining provisions of this Sixth Amendment in any jurisdiction. 

**Section 9. Counterparts.**

This Sixth Amendment may be executed in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Delivery of an executedcounterpart of a signature page by telecopier or other electronic transmission shall be effective as delivery of a manually executed counterpart. 

[**The remainder of this page is intentionally left blank**] 

 
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**IN WITNESS WHEREOF**, this Sixth Amendment has been duly executed as of the day andyear first above written. 

 
**U.S. BANK NATIONAL ASSOCIATION**, as Custodian and as Indenture TrusteeBy: /s/ RALPH J. CREASIA, JR. 
Name: Ralph J. Creasia, Jr.

Title: Vice President

**CHARTA, LLC**, as an Investor ****
By: Citibank, N.A.,

as Attorney-in-Fact
By: TODD. D. FRITCHMAN 
Name: Todd D. Fritchman

Title: Vice President

 
**CITIBANK, N.A.**, as a Liquidity BankBy: TODD. D. FRITCHMAN 
Name: Todd D. Fritchman

Title: Vice President

 
**CITIBANK, N.A.**, as Note Purchaser AgentBy: TODD. D. FRITCHMAN 
Name: Todd D. Fritchman

Title: Vice President

**NEWSTAR WAREHOUSE FUNDING 2005 LLC**, as Purchaser and as Issuer
By: NEWSTAR FINANCIAL, INC., its

designated manager
By: /s/ JOHN J. FRISHKOPF 
Name: John J. Frishkopf

Title: Treasurer

**NEWSTAR FINANCIAL, INC.**, as Seller and as ServicerBy: /s/ JOHN J. FRISHKOPF 
Name: John J. Frishkopf

Title: Treasurer

**LYON FINANCIAL SERVICES, INC. dba U.S. Bank Portfolio Services**, as Backup ServicerBy: /s/ BRAD W. WEELMAN 
Name: Brad W. Weelman

Title: Senior Vice President