THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Owens Corning (OWENQ.OB)

3/8/2005 10K Information

Mr. Hilliard is a partner of Brown Brothers Harriman & Co. (ÒBBHÓ), a private banking firm. BBH acts as one of the investment managers for the Fibreboard Settlement Trust, which holds certain assets that are available to fund asbestos-related liabilities of Fibreboard Corporation, a subsidiary of Owens Corning. During 2004, BBH was paid fees of approximately $758,000 from the Trust for these services. In addition, BBH serves as the custodian and investment advisor of certain escrow accounts funded by the CompanyÕs excess insurance carriers (see Note 19, Item C, to the Consolidated Financial Statements). During 2004, BBH earned fees of approximately $86,000 for these services.

During 2004, Owens Corning entered into a contract with Applied Predictive Technologies (ÒAPTÓ) providing for APT to implement a pilot project for the Company using certain of APTÕs proprietary market analysis tools. The contract provides for fees not to exceed $150,000 plus reimbursement of certain expenses. Performance under such contract commenced in 2004 and continues into 2005. During 2004, APT earned fees of approximately $75,000 under the contract. If results of the pilot contract are successful, the Company may enter into further arrangements with APT. W. Walker Lewis, a Director of the Company, is Chairman of the Board, and owns approximately 11 percent of the equity, of APT.

William W. Colville served Senior Vice President - Law, General Counsel and Secretary of Owens Corning Corporation from 1984 until December 1994 serving as a legal consultant from January 1995 until October 2000.

2/23/2004 10K Information

Mr. Hiner served as Chairman and Chief Executive Officer of Owens Corning from 1992 to 2002 and worked at General Electric Company starting in 1957, serving as Senior Vice President and Group Executive of the Plastics Group from 1983 to 1991.

3/28/2003 10K Information

Mr. Hilliard is a partner of Brown Brothers Harriman & Co. (ÒBBHÓ), a private banking firm. BBH acts as one of the investment managers for the Fibreboard Settlement Trust, which holds certain assets that are available to fund asbestos-related liabilities of Fibreboard Corporation, a subsidiary of Owens Corning. During 2002, BBH was paid fees of approximately $717,000 from the Trust for these services. In addition, BBH serves as the custodian and investment advisor of an escrow account funded by one of the CompanyÕs excess insurance carriers during the third quarter of 2001 (see Note 19, Item C, to the Consolidated Financial Statements). During 2002, BBH earned fees of approximately $82,000 for these services.