Mortgage Pass Through Certificates Series 2001-1 Sample Contracts

Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. (January 10th, 2002)

EXHIBIT 99 WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS-THROUGH CERTIFICATES 12/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.54905% POOL NUMBER: Group 1 = 1696, 1698 ____________________________________________________________________________________________ ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $460,925,895.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING

Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. (December 5th, 2001)

EXHIBIT 99 WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS-THROUGH CERTIFICATES 11/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.55989% POOL NUMBER: Group 1 = 1696, 1698 ____________________________________________________________________________________________ ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $460,925,895.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING

Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS- THROUGH CERTIFICATES 09/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.78693% POOL NUMBER: 1697 ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $245,740,542.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING BALANCES FROM LAST FISCAL MONTH-END: 470 $183,085,956.23 PRINCIPAL POOL COLLECTION(S): Scheduled Principal Collection Due Current Month $395,916.07 Unscheduled Principal Collection/Reversals $14,095.07 Liquidations-in-full 30 $11,019,1 (October 10th, 2001)
Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS- THROUGH CERTIFICATES 08/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.78489% POOL NUMBER: 1697 ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $245,740,542.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING BALANCES FROM LAST FISCAL MONTH-END: 486 $189,008,036.04 PRINCIPAL POOL COLLECTION(S): Scheduled Principal Collection Due Current Month $122,320.27 Unscheduled Principal Collection/Reversals $69,029.67 Liquidations-in-full 16 $5,730,72 (September 10th, 2001)
Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. (June 6th, 2001)

EXHIBIT 99 WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS-THROUGH CERTIFICATES 05/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.78359% POOL NUMBER: 1697 ____________________________________________________________________________________________ ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $245,740,542.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING

Mortgage Pass Through Certificates Series 2001-1 – WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. (May 9th, 2001)

EXHIBIT A WASHINGTON MUTUAL MORTGAGE SECURITIES CORP. MASTER SERVICING MORTGAGE PASS-THROUGH CERTIFICATES 04/2001 DISTRIBUTION REPORT SERIES: pncms 2001-1 WEIGHTED AVERAGE PC RATE: 7.78391% POOL NUMBER: 1697 ____________________________________________________________________________________________ ISSUE DATE: 01/30/2001 CERTIFICATE BALANCE AT ISSUE: $245,740,542.00 CERTIFICATE TOTAL ACCOUNT CERTIFICATE NUMBER OF ACTIVITY BALANCE MORTGAGES (@PC RATE) OUTSTANDING

Mortgage Pass Through Certificates Series 2001-1 – POOLING AND SERVICING AGREEMENT (February 14th, 2001)

1 EXHIBIT 7.1 CONFORMED COPY PNC MORTGAGE SECURITIES CORP., as Depositor and Master Servicer and STATE STREET BANK AND TRUST COMPANY, as Trustee POOLING AND SERVICING AGREEMENT $706,666,436.21 PNC Mortgage Securities Corp. Mortgage Pass-Through Certificates Series 2001-1 Cut-Off Date: January 1, 2001 This Pooling and Servicing Agreement, dated and effective as of January 1, 2001 (this "Agreement"), is executed by and between PNC Mortgage Securities Corp., as Depositor and Master Servicer (the "Company"), and State Street Bank and Trust Company, a Massachusetts trust co