Common use of Basis Risk Reserve Fund Clause in Contracts

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR33.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR2.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR28, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR9.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IX Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR26, Group IX.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR24, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IV Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR20, Group IV.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR30, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR27.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IV Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR15, Group IV.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IV Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR12, Group IV.” Funds in the Group IV Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032004-AR5AR3, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR21.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group 11 Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032004-AR5, Group 11.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032004-AR5AR2, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “"Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage CSFB Mortgage-Backed Pass-Through Certificates, Series 20032002-AR519.” " Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage CSFB Mortgage-Backed Pass-Through Certificates, Series 20032002-AR526.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group VI Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032004-AR5AR1, Group VI.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group V Certificateholders and designated “U.S. Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032004-AR5.AR4, Group V.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR28.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IV Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR22, Group IV.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Group IV Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 2003-AR5AR18, Group IV.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR25.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.

Basis Risk Reserve Fund. The separate Eligible Account created and initially maintained by the Trust Administrator pursuant to Section 4.08 4.07 in the name of the Trust Administrator, as agent for the Trustee, for the benefit of the Certificateholders and designated “Bank One, National Association in trust for registered holders of Credit Suisse First Boston Mortgage Securities Corp. Mortgage Pass-Through Certificates, Series 20032002-AR5AR31.” Funds in the Basis Risk Reserve Fund shall be held in trust for the Certificateholders for the uses and purposes set forth in this Agreement.