Document:

<PAGE>

                                                                   EXHIBIT 10.11

                              AMENDMENT NUMBER TWO
                                       TO
                           MASTER REPURCHASE AGREEMENT
                         DATED AS OF SEPTEMBER 2, 2005,
                                     BETWEEN
                         BANK OF AMERICA, N.A., AS BUYER
                                       AND
   NEW CENTURY MORTGAGE CORPORATION, HOME123 CORPORATION, NEW CENTURY CREDIT
               CORPORATION AND NC CAPITAL CORPORATION, AS SELLERS
                                       AND
                 NEW CENTURY FINANCIAL CORPORATION, AS GUARANTOR

     This AMENDMENT NUMBER TWO TO MASTER REPURCHASE AGREEMENT (this
"Amendment"), dated as of April 26, 2006 (the "Effective Date") is entered into
between NEW CENTURY MORTGAGE CORPORATION, HOME123 CORPORATION, NEW CENTURY
CREDIT CORPORATION and NC CAPITAL CORPORATION ("Sellers"), NEW CENTURY FINANCIAL
CORPORATION ("Guarantor") and BANK OF AMERICA, N.A. ("Buyer").

                                    RECITALS

     A. Sellers, Guarantor and Buyer entered into that certain Master Repurchase
Agreement dated as of September 2, 2005 (the "Repurchase Agreement").

     B. Buyer, Guarantor and Sellers each desire to modify the terms of the
Repurchase Agreement as set forth in this Amendment.

     C. Sellers, Guarantor and Buyer each have agreed to execute and deliver
this Amendment on the terms and conditions set forth herein.

     NOW, THEREFORE, in consideration of the premises and the mutual covenants
contained herein and in the Repurchase Agreement, the receipt and sufficiency of
which are hereby acknowledged, the parties hereto agree to the following:

1. Miscellaneous. For all purposes of this Amendment, except as otherwise
expressly provided or unless the context otherwise requires, (a) unless
otherwise defined herein, all capitalized terms used herein shall have the
meanings attributed to them by the Repurchase Agreement, (b) the capitalized
terms expressly defined in this Amendment have the meanings assigned to them in
this Amendment and include (i) all genders and (ii) the plural as well as the
singular, (c) all references to words such as "herein", "hereof" and the like
shall refer to this Amendment as a whole and not to any particular article or
section within this Amendment, (d) the term "include" and all variations thereon
shall mean "include without limitation", and (e) the term "or" shall include
"and/or".

2. Amendments to the Repurchase Agreement.

     (a) In Section 2(a) the definition of Transaction Base Certificate shall be
deleted and replaced it its entirety with the following:

<PAGE>

          "Transaction Base Certificate" means the Transaction Base Certificate
provided by the Custodian in accordance with the Custodial Agreement.

     (b) The text in Section 37 shall be deleted and shall be replaced with
"Reserved".

     (c) The text in Exhibit C shall be deleted and shall be replaced with
"Reserved".

4. No Other Changes. Except as expressly modified or amended in this Amendment,
all of the terms, covenants, provisions, agreements and conditions of the
Repurchase Agreement are hereby ratified and confirmed in every respect and
shall remain unmodified and unchanged and shall continue in full force and
effect.

5. Representations. In order to induce the Buyer to execute and deliver this
Amendment, the Sellers hereby represent to the Buyer that as of the date hereof,
after giving effect to this Amendment, the Sellers are in full compliance with
all of the terms and conditions of the Repurchase Agreement and no Default or
Event of Default has occurred and is continuing under the Repurchase Agreement.

6. Counterparts. This Amendment may be executed in any number of counterparts
and by the parties hereto in separate counterparts, each of which when so
executed and delivered shall be deemed to be an original and all of which taken
together shall constitute one and the same instrument.

7. Governing Law; Waiver of Jury Trial. This Amendment shall be governed by, and
construed in accordance with, the laws of the State of New York, and the
obligations, rights and remedies of the parties hereunder shall be determined in
accordance with such laws without regard to conflicts of laws principles. The
parties hereto each hereby waive the right of trial by jury in any litigation
arising hereunder.

                            [Signature page follows]

                                       -2-

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused their duly authorized
officers to execute this Amendment Number Two to the Master Repurchase Agreement
as of the date first above written.

                                        BANK OF AMERICA, N.A., as Buyer

                                        By: /s/ Garrett Dolt
                                            ------------------------------------
                                        Name: Garrett Dolt
                                        Title: Principal

                                        NEW CENTURY MORTGAGE CORPORATION, as
                                        Seller, jointly and severally

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: Executive Vice President

                                        HOME123 CORPORATION, as Seller, jointly
                                        and severally

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: Executive Vice President

                                        NEW CENTURY CREDIT CORPORATION, as
                                        Seller, jointly and severally

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: President

                                        NC CAPITAL CORPORATION, as Seller,
                                        jointly and severally

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: President

<PAGE>

Acknowledged and Agreed:

NEW CENTURY FINANCIAL CORPORATION,
as Guarantor

By: /s/ Kevin Cloyd
    ---------------------------------
Name: Kevin Cloyd
Title: Executive Vice President<PAGE>

                                                                   EXHIBIT 10.12

                                 AMENDMENT NO. 5
                         TO MASTER REPURCHASE AGREEMENT

          Amendment No. 5, dated as of April 27, 2006 (this "Amendment"), among
CREDIT SUISSE FIRST BOSTON MORTGAGE CAPITAL LLC ("Buyer"), NEW CENTURY MORTGAGE
CORPORATION, NC CAPITAL CORPORATION, NC ASSET HOLDING, L.P., NEW CENTURY CREDIT
CORPORATION, LOAN PARTNERS MORTGAGE, LTD., KINGSTON MORTGAGE COMPANY, LTD.,
COMPUFUND MORTGAGE COMPANY, LTD, WRT FINANCIAL LIMITED PARTNERSHIP, PEACHTREE
RESIDENTIAL MORTGAGE, L.P., RESIDENTIAL PRIME LENDING LIMITED PARTNERSHIP, TEAM
HOME LENDING, LTD., SUTTER BUTTES MORTGAGE, L.P., MIDWEST HOME MORTGAGE LTD,
AUSTIN MORTGAGE, L.P., CAPITAL PACIFIC HOME LOANS, L.P., GOLDEN OAK MORTGAGE,
L.P., SCFINANCE LP, AD ASTRA MORTGAGE, LTD, HOME123 CORPORATION AND NEW CENTURY
MORTGAGE VENTURES, LLC (each a "Seller", and collectively, the "Sellers") and
NEW CENTURY FINANCIAL CORPORATION, the ("Guarantor").

                                    RECITALS

          The Sellers, the Buyer, and the Guarantor are parties to that certain
Master Repurchase Agreement, dated as of December 22, 2004, as amended by
Amendment No. 1, dated as of August 26, 2005, Amendment No. 2, dated as of
September 2, 2005, Amendment No. 3, dated as of November 30, 2005 and Amendment
No. 4, dated as of December 30, 2005 (the "Existing Repurchase Agreement", as
amended by this Amendment, the "Repurchase Agreement"). The Guarantor is a party
to that certain Guaranty (the "Guaranty"), dated as of December 22, 2004, as the
same may be amended from time to time, by the Guarantor in favor of Buyer.
Capitalized terms used but not otherwise defined herein shall have the meanings
given to them in the Existing Repurchase Agreement and the Guaranty.

          The Buyer, the Sellers and the Guarantor have agreed, subject to the
terms and conditions of this Amendment, that the Existing Repurchase Agreement
be amended to reflect certain agreed upon revisions to the terms of the Existing
Repurchase Agreement. As a condition precedent to amending the Existing
Repurchase Agreement, the Buyer has required the Guarantor to ratify and affirm
the Guaranty on the date hereof.

          Accordingly, the Buyer, Sellers and Guarantor hereby agree, in
consideration of the mutual premises and mutual obligations set forth herein,
that the Existing Repurchase Agreement is hereby amended as follows:

          SECTION 1. Termination of Northwest Capital Mortgage, L.P. as a
Seller. As of the date hereof, Northwest Capital Mortgage, L.P. shall no longer
be a Seller under the Repurchase Agreement. The Buyer hereby releases Northwest
Capital Mortgage, L.P. from all of its obligations under the Existing Repurchase
Agreement other than those obligations which by their terms otherwise survive
the termination of the Repurchase Agreement which shall continue to bind
Northwest Capital Mortgage, L.P.. All references to "Seller" under the
Repurchase Agreement shall be deemed to exclude Northwest Capital Mortgage, L.P.

<PAGE>

          SECTION 2. References to Custodian and Custodial Agreement. All
references in the Existing Repurchase Agreement to the Custodian shall mean only
Deutsche Bank National Trust Company. All references in the Existing Repurchase
Agreement to the Custodial Agreement shall mean only the custodial agreement
among Sellers, Buyer and Deutsche Bank National Trust Company, dated as of
December 22, 2004, as the same may be amended from time to time.

          SECTION 3. Definitions. Section 1 of the Existing Repurchase Agreement
is hereby amended by deleting the definitions of "Custodial Agreement",
"Custodian" and "Mortgage Loan" in their entirety and replacing them with the
following definitions:

          ""Custodial Agreement" means the custodial agreement among Sellers,
Buyer and Deutsche Bank National Trust Company, dated as of December 22, 2004,
as the same may be amended from time to time."

          ""Custodian" means Deutsche Bank National Trust Company, or any
successor thereto under its Custodial Agreement."

          ""Mortgage Loan" means any Forty-Year Mortgage Loan, Co-op Loan,
Sub-Prime Mortgage Loan, Exception Mortgage Loan, Jumbo Mortgage Loan, Alt A
Mortgage Loan, Second Lien Mortgage Loan, HELOC or Conforming Mortgage Loan
which is a fixed or floating-rate, one-to-four-family residential mortgage or
home equity loan evidenced by a promissory note and secured by a mortgage, which
satisfies the requirements set forth in the Underwriting Guidelines and Section
14(b) hereof; provided, however, that, except as expressly approved in writing
by Buyer, Mortgage Loans shall not include any "high-LTV" loans (i.e., a
mortgage loan having a loan-to-value ratio in excess of 100% (or with respect to
High CLTV Mortgage Loans, 105%) or in excess of such lower percentage set forth
in the Underwriting Guidelines or with respect to Second Lien Mortgage Loans, a
combined loan-to value ratio in excess of the lower of (i) the percentage
specified in the Underwriting Guidelines or (ii) 100% or, with respect to High
CLTV Mortgage Loans, 105%) or any High Cost Mortgage Loans and; provided,
further, that the origination date with respect to such Mortgage Loan is no
earlier than ninety (90) days prior to the related Purchase Date."

          SECTION 4. Schedules. Schedule 1 to the Existing Repurchase Agreement
is hereby amended by deleting subsection (mm) in its entirety and replacing it
with the following language:

          "(mm) Origination Date. The origination date is no earlier than ninety
(90) days prior to the related Purchase Date."

          SECTION 5. Conditions Precedent. This Amendment shall become effective
as of April 27, 2006 (the "Amendment Effective Date"), subject to the
satisfaction of the following conditions precedent:

          5.1 Delivered Documents. On the date hereof, the Buyer shall have
received the following documents, each of which shall be satisfactory to the
Buyer in form and substance:

<PAGE>

          (a) this Amendment, executed and delivered by the Guarantor and duly
     authorized officers of the Buyer and the Sellers;

          (b) Amendment No. 1 to the Custodial Agreement, executed and delivered
     by duly authorized officers of the Buyer, the Sellers and the Custodian;
     and

          (c) such other documents as the Buyer or counsel to the Buyer may
     reasonably request.

          SECTION 6. Representations and Warranties. Each Seller hereby
represents and warrants to the Buyer that it is in compliance with all the terms
and provisions set forth in the Existing Repurchase Agreement on its part to be
observed or performed, and that no Event of Default has occurred or is
continuing, and hereby confirms and reaffirms the representations and warranties
contained in Section 14 of the Existing Repurchase Agreement (except to the
extent that such representation or warranty expressly relates to an earlier
date).

          SECTION 7. Joint and Several Obligations. Each of the Sellers and
Buyer hereby acknowledge and agree that Sellers are each jointly and severally
liable to Buyer for all of their respective representations, warranties and
covenants hereunder and under the Repurchase Agreement.

          SECTION 8. Limited Effect. Except as expressly amended and modified by
this Amendment, the Existing Repurchase Agreement shall continue to be, and
shall remain, in full force and effect in accordance with its terms.

          SECTION 9. Counterparts. This Amendment may be executed by each of the
parties hereto on any number of separate counterparts, each of which shall be an
original and all of which taken together shall constitute one and the same
instrument.

          SECTION 10. GOVERNING LAW. THIS AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

          SECTION 11. Reaffirmation of Guaranty. The Guarantor hereby ratifies
and affirms all of the terms, covenants, conditions and obligations of the
Guaranty and acknowledges and agrees that such Guaranty shall apply to all of
the Obligations under the Repurchase Agreement, as it may be amended, modified
and in effect, from time to time.

                            [SIGNATURE PAGE FOLLOWS]

<PAGE>

     IN WITNESS WHEREOF, the parties have caused their names to be signed hereto
by their respective officers thereunto duly authorized as of the day and year
first above written.

                                        CREDIT SUISSE FIRST BOSTON MORTGAGE
                                        CAPITAL LLC,
                                        AS BUYER

                                        By: /s/ Bruce S. Kaiserman
                                            ------------------------------------
                                        Name: Bruce S. Kaiserman
                                        Title: Vice President

                                        NEW CENTURY MORTGAGE CORPORATION, AS
                                        SELLER

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: Executive Vice President

                                        NC CAPITAL CORPORATION, AS SELLER

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: President

                                        NC ASSET HOLDING, L.P., as Seller,

                                        By: NC DELTEX, LLC, its General Partner

                                        By: NC CAPITAL CORPORATION, its
                                        Sole Member

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: President

                                        NEW CENTURY CREDIT CORPORATION, AS
                                        SELLER

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: President

<PAGE>

                                        LOAN PARTNERS MORTGAGE, LTD, AS SELLER

                                        By: Capital Standard Origination
                                        Company,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        KINGSTON MORTGAGE COMPANY, LTD., AS
                                        SELLER

                                        By: CSOC XI, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        COMPUFUND MORTGAGE COMPANY, LTD, AS
                                        SELLER

                                        By: CSOC XIV, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        WRT FINANCIAL LIMITED PARTNERSHIP, AS
                                        SELLER

                                        By: CSOC XXIII, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

<PAGE>

                                        PEACHTREE RESIDENTIAL MORTGAGE, L.P., AS
                                        SELLER

                                        By: CSOC XXV, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        RESIDENTIAL PRIME LENDING LIMITED
                                        PARTNERSHIP, AS SELLER

                                        By: CSOC XXVII, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        TEAM HOME LENDING LTD, AS SELLER

                                        By: CSOC XXXII, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        SUTTER BUTTES MORTGAGE LP, AS SELLER

                                        By: CSOC XXXVIII, Inc.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

<PAGE>

                                        MIDWEST HOME MORTGAGE LTD, AS SELLER

                                        By: CSOC XXXVII, Inc.
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        AUSTIN MORTGAGE, L.P., AS SELLER

                                        By: REALTOR BUILDER I, Inc.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        CAPITAL PACIFIC HOME LOANS, L.P., AS
                                        SELLER

                                        By: REALTOR BUILDER II, Inc.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        GOLDEN OAK MORTGAGE, LP, AS SELLER

                                        By: REALTOR BUILDER III, Inc.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

<PAGE>

                                        SCFINANCE LP, AS SELLER

                                        By: REALTOR BUILDER V, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        AD ASTRA MORTGAGE LTD, AS SELLER

                                        By: REALTOR BUILDER VI, INC.,
                                        Its General Partner

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        HOME123 CORPORATION, AS SELLER

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: Executive Vice President

                                        NEW CENTURY MORTGAGE VENTURES, LLC, AS
                                        SELLER

                                        /s/ Stergios Theologides
                                        ----------------------------------------
                                        Name: Stergios Theologides
                                        Title: EVP

                                        NEW CENTURY FINANCIAL CORPORATION, AS
                                        GUARANTOR

                                        By: /s/ Kevin Cloyd
                                            ------------------------------------
                                        Name: Kevin Cloyd
                                        Title: Executive Vice President

<PAGE>

Acknowledged and Agreed:

NORTHWEST CAPITAL MORTGAGE, L.P.

By: REALTOR BUILDER IV, INC.,
Its General Partner

/s/ Stergios Theologides
-------------------------------------
Name: Stergios Theologides
Title: EVP

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