WASHINGTON MUTUAL MORTGAGE SECURITIES CORP., as Depositor and Master Servicer and U.S. BANK NATIONAL ASSOCIATION, as Trustee and CHRISTIANA BANK & TRUST COMPANY, as Delaware Trustee POOLING AND SERVICING AGREEMENT Washington Mutual Mortgage Securities...Pooling and Servicing Agreement • April 9th, 2003 • Washington Mutual MSC Mort Pass Through Cert Series 2003-Ms6 • Asset-backed securities • Delaware
