Common use of FORM OF SERVICER INFORMATION Clause in Contracts

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Fargo Bank NA 9000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A Phone No. 400-000-0000 Fax No. 400-000-0000 [name] Wxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer Servicer, other than WMMSC, and to the Trust Administrator by the Master ServicerServicer and WMMSC, in accordance with Section 4.05: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 1-30 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Fargo Bank NA 9000 Xxx Xxxxxxxxx Xxxx XxxxxxxxXxxxxxx Xxxxxx First Security Investor Reporting 000 Xxxxx Xxxxxx Xxxxx Chicago, XX 00000 Attention: Client Manager, CSFB ARMT 2005IL 00000-6A 0000 Phone No. 400000-000-0000 Fax No. 400312-000425-0000 [name] Wxxxx Fargo Bank4281 xxxxxxx@xxxx.xxx XXXXX FARGO BANK MINNESOTA, N.A. [address] Phone No. [Form 332 ________] Fax No. [________] [email] WXXXX FARGO BANK, N.A. Form 332 _____________________________________________________________ To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 12 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 3 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 7 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 8 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 4 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 5 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.

FORM OF SERVICER INFORMATION. The following information will be e-mailed to the Master Servicer by each Servicer and to the Trust Administrator by the Master Servicer: Servicer Loan Number Trust Loan Number (if applicable) Scheduled Net Interest Scheduled Principal Curtailment Applied Curtailment Adjustment Mortgage Rate Servicing Fee Rate P&I Payment Beginning Scheduled Balance Ending Scheduled Balance Ending Actual Principal Balance Due Date Prepayment in full Principal Prepayment in full Net Interest Prepayment in full Penalty Delinquencies: 61-90 91 + Foreclosures REO Properties Loss Amounts & Loss Types (i.e., Bankruptcy, Excess, Deficient Valuation, Debt Reduction) Wxxxx Xxxxx Fargo Bank NA 9000 0000 Xxx Xxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attention: Client Manager, CSFB ARMT 2005-6A 9 Phone No. 400000-000-0000 Fax No. 400000-000-0000 [name] Wxxxx Xxxxx Fargo Bank, N.A. [address] Phone No. [________] Fax No. [________] [email] WXXXX XXXXX FARGO BANK, N.A. Form 332 To provide the Servicer with a form for the calculation of any Realized Loss (or gain) as a result of a Mortgage Loan having been foreclosed and Liquidated.