Hasco 2006-Opt-4 Sample Contracts

HSI ASSET SECURITIZATION CORPORATION, Depositor OPTION ONE MORTGAGE CORPORATION, Originator and Servicer, WELLS FARGO BANK, N.A., Master Servicer, Securities Administrator and Custodian and DEUTSCHE BANK NATIONAL TRUST COMPANY, Trustee

Pooling and Servicing Agreement • May 17th, 2006 • Hasco 2006-Opt-4 • Asset-backed securities • New York

• Contract Type
  Pooling and Servicing Agreement
• Filed
  May 17th, 2006
• Company
  Hasco 2006-Opt-4
• Industry
  Asset-backed securities
• Jurisdiction
  New York

MORTGAGE LOAN PURCHASE AGREEMENT

Mortgage Loan Purchase Agreement • May 17th, 2006 • Hasco 2006-Opt-4 • Asset-backed securities • New York

• Contract Type
  Mortgage Loan Purchase Agreement
• Filed
  May 17th, 2006
• Company
  Hasco 2006-Opt-4
• Industry
  Asset-backed securities
• Jurisdiction
  New York

This Mortgage Loan Purchase Agreement (the “Agreement”), dated as of April 1, 2006, is between HSI Asset Securitization Corporation, a Delaware corporation (the “Company”), and HSBC Bank USA, National Association, a national banking association (the “Seller”).