Exhibit 99.4 ASSIGNMENT AGREEMENT ASSIGNMENT AGREEMENT, dated as of September 29, 2006 ("Assignment Agreement"), among COUNTRYWIDE HOME LOANS, INC. ("Assignor"), THE BANK OF NEW YORK ("Assignee"), as Corridor Contract Administrator for CWABS, Inc....Assignment Agreement • October 25th, 2006 • CWABS Asset-Backed Certificates Trust 2006-15 • Asset-backed securities • New York
Exhibit 99.5 CORRIDOR CONTRACT ADMINISTRATION AGREEMENT This CORRIDOR CONTRACT ADMINISTRATION AGREEMENT, dated as of September 29, 2006 (this "Agreement"), among THE BANK OF NEW YORK ("BNY"), as Corridor Contract Administrator (in such capacity, the...Corridor Contract Administration Agreement • October 25th, 2006 • CWABS Asset-Backed Certificates Trust 2006-15 • Asset-backed securities • New York
