Exhibit 4 SECOND AMENDMENT TO POST-PETITION CREDIT AGREEMENT This Second Amendment to Post-Petition Credit Agreement (this "Agreement") is entered into this 20th day of September, 2004 by and among OWENS CORNING, a Delaware corporation (the...Post-Petition Credit Agreement • November 1st, 2004 • Owens Corning • Abrasive, asbestos & misc nonmetallic mineral prods • Illinois
