Owens Corning and Jinniu Fiberglass Announce Supply Alliance

         Owens Corning and Jinniu Fiberglass Announce Supply Alliance

-- Owens Corning invests technology expertise; Jinniu provides existing
manufacturing capacity

-- Alliance represents capital-efficient supply arrangement

-- Companies to focus on reliable supply of customized, environmentally
sustainable glass fibers

PR Newswire

SHANGHAI, June 24, 2013

SHANGHAI, June 24, 2013 /PRNewswire/ --Owens Corning (NYSE: OC), a global
producer of glass fiber reinforcements for composite systems and residential
and commercial building materials, has announced amanufacturing supply
alliance with Xingtai Jinniu Fiberglass Company.

The supply alliance will utilize Jinniu's existing glass fiber furnace
capacity in China to provide a reliable supply of customized boron-free glass
fiber reinforcements. The alliance will leverage Owens Corning's technology
expertise for environmentally sustainable manufacturing. Both companies will
continue to operate as separate commercial entities.

"This supply alliance is an example of two companies working creatively to
serve glass fiber customers in the high growth China market with a
capital-efficient solution," said Arnaud Genis, Owens Corning Group President,
Composites Solutions. "By utilizing Owens Corning's advanced technology
expertise, and Jinniu's manufacturing capacity, we will continue to meet the
market's present and future needs for boron-free glass fiber reinforcements in
China."

"Jinniu and Owens Corning have agreed to complement each other's strengths,
which will provide a good foundation for sustainable development for both
companies," said Qi Zemin, general manager of Jizhong Energy Resources Co.,
Ltd, the parent company of Xingtai Jinniu Fiberglass Company. "This is also a
creative step to explore new models of development for China glass fiber
companies."

About Owens Corning

Owens Corning is a global producer of glass fiber reinforcements and
engineered materials for composite systems and residential and commercial
building materials. A Fortune 500 company for 59 consecutive years, Owens
Corning is committed to driving sustainability through delivering solutions,
transforming markets and enhancing lives. Celebrating its 75^th anniversary,
Owens Corning had sales of $5.2 billion in 2012 and employs 15,000 employees
in 27 countries on five continents. The Owens Corning Composite Solutions
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.

About Jinniu Fiberglass

Xingtai Jinniu Fiberglass Co., Ltd., (JNFG) is a wholly-owned subsidiary of
Jizhong Energy Resources Co., Ltd, a large energy company which focuses on
coal production and integrates businesses of coal, building materials,
electricity and chemical. Jizhong Energy Resources Co., Ltd entered
fiberglass business in 2002 and has conducted its business with commitment to
ethics and compliance with laws. The company cares for its social impact and
has maintained a good reputation in the market.

Owens Corning Investor Relations News.

SOURCE Owens Corning

Website: http://www.owenscorning.com
Contact: Kelly Donaghy, Owens Corning, +1-419-343-0207; or ZIshuo Wang, Jinniu
Fiberglass, +86-319-2067828