WASHINGTON MUTUAL MORTGAGE SECURITIES CORP., as Depositor and Master Servicer and DEUTSCHE BANK NATIONAL TRUST COMPANY, as Trustee and DEUTSCHE BANK TRUST COMPANY DELAWARE, as Delaware Trustee POOLING AND SERVICING AGREEMENT Washington Mutual Mortgage...Pooling and Servicing Agreement • May 7th, 2003 • Wamu Mortgage Pass Through Certificates Series 2003-Ar5 • Asset-backed securities • Delaware
