Exhibit (99) State or Other Jurisdiction Under the Laws of Subsidiaries of Owens Corning (6/30/98) Which Organized Accord Vinyl Siding Inc. Ontario AmeriMark Building Products, Inc. Delaware Carriage Hill Stone Co. Ohio Commercial Owens Corning Chile Limitada Chile Crown Manufacturing Inc. Canada Cultured Stone Corporation California Deutsche Owens-Corning Glasswool GmbH Germany Engineered Pipe Systems, Inc. Delaware Engineered Yarns America, Inc. Massachusetts Eric Company Delaware European Owens-Corning Fiberglas, S.A. Belgium Fabwel, Inc. Indiana Falcon Foam Corporation Delaware Fibreboard Corporation Delaware Flowtite AS Norway Flowtite Iberica, S.A. Spain Flowtite Offshore Services Ltd. Cyprus Flowtite Pipe & Tanks AS Norway Flowtite Technology AS Norway IPM Inc. Delaware Integrex Delaware Kitsons Insulation Products Ltd. United Kingdom LMP Impianti Srl Italy Matcorp, Inc. Delaware Norandex Inc. Delaware N.V. Owens-Corning S.A. Belgium OC Celfortec Inc. Canada O/C/FIRST CORPORATION Ohio OCFOGO, Inc. Delaware O.C. Funding B.V. The Netherlands O/C/SECOND CORPORATION Delaware OCW Acquisition Corporation (dba, Delsan Industries Corp.) Delaware Owens Corning (Anshan) Fiberglas Co. Limited China Owens Corning (China) Investment Company, Ltd. China Owens Corning Building Materials Espana S.A. Spain Owens-Corning Building Products (U.K.) Ltd. United Kingdom Owens Corning Canada Inc. Canada Owens-Corning Canos, S.A. Argentina Owens-Corning Capital Holdings I, Inc. Delaware Owens-Corning Capital Holdings II, Inc. Delaware Owens-Corning Capital L.L.C. Delaware Owens Corning Cayman (China) Holdings Cayman Islands Owens-Corning Cayman Limited Cayman Islands Owens-Corning Changchun Guan Dao Company Ltd. China Owens Corning Espana SA Spain Owens-Corning Fiberglas A.S. Limitada Brazil Owens-Corning Fiberglas Deutschland GmbH Germany Owens-Corning Fiberglas Espana, S.A. Spain State or Other Jurisdiction Under the Laws of Subsidiaries of Owens Corning (6/30/98) Which Organized Owens-Corning Fiberglas France S.A. France Owens-Corning Fiberglas (G.B.) Ltd. United Kingdom Owens-Corning Fiberglas (Italy) S.r.l. Italy Owens-Corning Fiberglas Norway A/S Norway Owens-Corning Fiberglas S.A. Uruguay Owens-Corning Fiberglas Sweden Inc. Delaware Owens-Corning Fiberglas Technology Inc. Illinois Owens-Corning Fiberglas (U.K.) Ltd. United Kingdom Owens-Corning Fiberglas (U.K.) Pension Plan Ltd. United Kingdom Owens-Corning Finance (U.K.) PLC United Kingdom Owens Corning Foamular Board Company Limited China Owens-Corning FSC, Inc. Barbados Owens-Corning Funding Corporation Delaware Owens-Corning (Guangzhou) Fiberglas Co., Ltd. China Owens-Corning Holdings Limited Cayman Islands Owens Corning HT, Inc. Delaware Owens-Corning Isolation France S.A. France Owens Corning (Japan) Ltd. Japan Owens Corning Mexico, S.A. de C.V. Mexico Owens-Corning Ontario Holdings Inc. Ontario Owens-Corning Overseas Holdings, Inc. Delaware Owens Corning Pipe (Africa) Pvt. Ltd. Zimbabwe Owens Corning Polyfoam UK Ltd. United Kingdom Owens Corning Polypan SPA Italy Owens-Corning Real Estate Corporation Ohio Owens Corning (Shanghai) Fiberglas Co., Ltd. China Owens Corning (Singapore) PTE Ltd. Singapore Owens Corning South Africa (Pty) Ltd. South Africa Owens-Corning (Sweden) AB Sweden Owens-Corning (UK) Holdings Limited United Kingdom Owens-Corning Veil Netherlands B.V. The Netherlands Owens-Corning Veil U.K. Ltd. United Kingdom P Metals, Inc. Delaware Palmetto Products, Inc. Delaware Prestige Vinyl Siding Inc. Ontario Procanpol SP.Z.O.O. Poland Scanglas Ltd. United Kingdom Soltech, Inc. Kentucky T Acquisition Inc. Delaware Trumbull Asphalt Co. of Delaware Delaware Vytec Corporation Ontario Vytec Sales Corporation Delaware Willcorp, Inc. Delaware Wrexham A.R. Glass Ltd. United Kingdom 10110 Newfoundland Limited Newfoundland