News Release Details

Company earns recognition for carbon black supply
Award demonstrates strength of Cabot's global footprint, quality and customer service

BOSTON, Jun 15, 2011 (BUSINESS WIRE) -- Cabot Corp. (NYSE: CBT), the world's No. 1 producer of carbon black, has earned the highest supplier recognition from Freudenberg-NOK Sealing Technologies (Freudenberg-NOK) for its 2010 performance.

The Plymouth, Mich.-based producer of advanced seals and elastomeric products named Cabot a "Gold Level" winner in its 2010 Supplier Excellence Achievement Awards program.

Cabot earned the recognition in the Chemicals segment for "outstanding performance in quality, delivery, cost management, technology, and overall service."

In 2010, Cabot supplied multiple grades of carbon black to all of Freudenberg-NOK's mixing facilities in the United States. Cabot was able to achieve a perfect 100-percent rating according to Freudenberg-NOK's supplier measurement system.

Only eight of Freudenberg-NOK's direct material suppliers worldwide were recognized with an award in 2010. In addition, Cabot received the highest recognition of any chemicals supplier.

"Freudenberg-NOK expects all of its suppliers to meet the highest service and quality standards possible to support the needs of its customers. Cabot has demonstrated over the years the willingness to improve, cooperate, and excel. This is invaluable in a successful partnership," said Mike Miller, Freudenberg-NOK director of supply chain management.

"We are honored to receive this award, as it affirms that we are living up to our commitment to be the supplier of choice to Freudenberg-NOK," said Jacob Homiller, Cabot NAFTA business director.

"This award also affirms the power of our global footprint, our team and our focus on quality," Homiller said. "We have provided carbon black to Freudenberg-NOK from three continents, including North America, Europe and South America. It's a tremendous testament to our team that we were able to produce and deliver the same high-quality material on a global scale, while meeting Freudenberg-NOK's demanding delivery and service requirements.

Carbon black is an intensely black performance material, used as a reinforcing agent in rubber, as well as a pigmenting, UV stabilizing and conductive additive in a variety of other specialty products.

Freudenberg-NOK uses the material to produce high-quality elastomeric seals and custom-molded products.

Freudenberg-NOK is the Americas joint venture partnership between Freudenberg & Co. in Germany and NOK Corp. in Japan.

ABOUT CABOT CORPORATION

Cabot Corporation, headquartered in Boston, Massachusetts, USA, is a global specialty chemical and performance materials company. Cabot's major products are carbon black, fumed silica, inkjet colorants, aerogel, capacitor materials, and cesium formate drilling fluids. The company's website is: www.cabot-corp.com.

ABOUT FREUDENBERG-NOK

Freudenberg-NOK Sealing Technologies is the Americas joint venture between Freudenberg and Company in Germany and NOK Corporation in Japan. Founded in 1989 under the legal name Freudenberg-NOK General Partnership, Freudenberg-NOK Sealing Technologies is a leading producer of advanced sealing and elastomeric technologies for a variety of industries including automotive, aerospace, appliance, diesel engine, agriculture, construction, heavy industry, and alternate energy, among others. Freudenberg-NOK Sealing Technologies is headquartered in Plymouth, Mich., and has facilities throughout the United States, Canada, Mexico, Brazil and Malaysia. With annual revenues approaching $US 1 billion, the company employed approximately 4,200 people in 2010. For additional information, please visit www.freudenberg-nok.com.

Freudenberg-NOK Sealing Technologies is part of the Freudenberg & Co. Group of Germany. Freudenberg & Co. is a family of companies specializing in seals and vibration control technology, nonwovens, filtration, lubricants and release agents and other specialty business areas. The Freudenberg Group generated sales of more than 5.4 billion euros and had 34,000 employees in 2010. For additional information, please visit www.freudenberg.com.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:Statements in the press release regarding Cabot's business that are not historical facts are forward looking statements that involve risks and uncertainties.For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward looking statements, see "Risk Factors" in the Company's Annual Report on Form 10-K.

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SOURCE: Cabot Corporation

Cabot Corporation
Susannah Robinson, 617-342-6129
Director, Investor Relations
or
John Shea, 617-342-6254
Manager, Corporate Communications