EXHIBIT 4 --------- ESCROW AGREEMENT Escrow Agreement (the "Escrow Agreement") dated as of October 31, 2006 (the "Effective Date") by and between PI SPE LLC (the "Assignee") and Investors Bank & Trust Company, as escrow agent hereunder (the "Escrow...Escrow Agreement • November 9th, 2006 • Matlinpatterson LLC • Abrasive, asbestos & misc nonmetallic mineral prods • New York
JOINT FILING AGREEMENTJoint Filing Agreement • November 9th, 2006 • Matlinpatterson LLC • Abrasive, asbestos & misc nonmetallic mineral prods
In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing of MatlinPatterson LLC, MatlinPatterson Asset Management LLC, MatlinPatterson Global Advisers LLC, MatlinPatterson Global Partners II LLC, MatlinPatterson Global Opportunities Partners II L.P., MatlinPatterson Global Opportunities Partners (Cayman) II L.P., David J. Matlin and Mark R. Patterson, on behalf of each of them a statement on Schedule 13D (including amendments thereto) with respect to shares of common stock, par value $0.01 per share, of Owens Corning, a Delaware corporation, and that this Agreement be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.
