News Release

Media Contact

Katie Merx

Corporate Media Relations

419-248-6496

katie.merx@owenscorning.com

Media Contact

Katie Merx

Corporate Media Relations

419-248-6496

katie.merx@owenscorning.com

Owens Corning Declares Fourth-Quarter 2014 Dividend

Friday, December 5, 2014 7:30 am EST

TOLEDO, OhioDec. 5, 2014-- Owens Corning (NYSE: OC) today announced that its Board of Directors has declared a quarterly cash dividend of $0.16 per common share. The dividend will be payable on Jan. 20, 2015 to shareholders of record as ofJan. 5, 2015.

Future dividend declarations will be made at the discretion of the Board of Directors and will be based on such factors as the company's earnings, financial condition, cash requirements, future prospects and other factors.

About Owens Corning

Owens Corning (NYSE: OC) is a leading global producer of residential and commercial building materials, glass-fiber reinforcements and engineered materials for composite systems. A Fortune 500® company for 60 consecutive years and in business for more than 75 years, Owens Corning is a market-leading innovator of glass-fiber technology with sales of$5.3 billion in 2013 and about 15,000 employees in 27 countries. Additional information is available at www.owenscorning.com.

This news release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These forward-looking statements are subject to risks, uncertainties and other factors that could cause actual results to differ materially from those projected in the statements. These risks, uncertainties and other factors include, without limitation: levels of residential and commercial construction activity; competitive factors; levels of global industrial production; demand for our products; relationships with key customers; industry and economic conditions that affect the market and operating conditions of our customers, suppliers or lenders; availability and cost of credit; our level of indebtedness; weather conditions; pricing factors; labor disputes and litigation; availability and cost of energy and raw materials; difficulties in managing production capacity; issues involving implementation and protection of information technology systems; international economic and political conditions, including new legislation or other governmental actions; our ability to utilize our net operating loss carry-forwards; research and development activities; foreign exchange and commodity price fluctuations; interest rate movements; issues related to acquisitions, divestitures and joint ventures; uninsured losses; achievement of expected synergies, cost reductions and/or productivity improvements; defined benefit plan funding obligations; and, factors detailed from time to time in the company's Securities and Exchange Commission filings. The information in this news release speaks as of Dec. 5, 2014, and is subject to change. The company does not undertake any obligation to update or revise forward-looking statements other than as required by applicable securities laws. Any distribution of this news release after that date is not intended and should not be construed as updating or confirming such information.

Owens Corning Investor Relations News

SOURCE Owens Corning

For further information: Media Inquiries: Chuck Hartlage, 419.248.5395, Investor Inquiries: Thierry Denis, 419.248.5748