Owens Corning Announces Decision to Divest its Fiberglass Reinforcements Plant in Capivari, Brazil

TOLEDO, Ohio, September 13, 2010 - Owens Corning (NYSE: OC), a leading global producer of glass fiber
reinforcements for composite systems and residential and commercial building
materials, today announced a decision to divest its fiberglass reinforcements
plant in Capivari, Brazil. The Company has determined that divestiture of the
Capivari facility at this time will facilitate long term planning given the
uncertainty of the resolution of the Company's ongoing negotiations with the
Brazilian competition authority regarding the Capivari site.

Interested parties should contact Harry Shaw, VP, Corporate Development,
at +1-419-248-6558 or Harry.Shaw@owenscorning.com.

About Owens Corning

Owens Corning is a leading global producer of glass fiber reinforcements
and engineered materials for composite systems and residential and commercial
building materials. A Fortune 500 company for 56 consecutive years, Owens
Corning is committed to driving sustainability through delivering solutions,
transforming markets and enhancing lives. Founded in 1938, Owens Corning had
sales of US$4.8 billion in 2009 and about 16,000 employees in 28 countries on
five continents. OCV(TM) Reinforcements, OCV(TM) Technical Fabrics and
OCV(TM) Non-Woven Technologies are the three main business units that make up
the Owens Corning Composite Solutions Business. The business delivers a broad
range of reinforcement products that provide lightweight alternatives to
steel, wood and aluminum, thereby reducing weight and improving energy
efficiency. Additional information is available at
www.owenscorning.com.

Kerry Desberg, Owens Corning, +1-419-248-5939