PNC MORTGAGE SECURITIES CORP., as Depositor and Master Servicer and STATE STREET BANK AND TRUST COMPANY, as Trustee POOLING AND SERVICING AGREEMENT $990,819,514 PNC Mortgage Securities Corp. Mortgage Pass-Through Certificates Series 1999-4 Cut-Off...Pooling and Servicing Agreement • May 13th, 1999 • PNC Mortgage Securities Corp Mort Pass Thro Cert Ser 1999-4 • Asset-backed securities • New York
