Cabot Increases Price for Fumed Metal Oxides Globally

August 31, 2012

BOSTONCabot Corporation (NYSE: CBT), a global specialty chemicals and performance materials company, will raise prices worldwide for CAB-O-SIL® Fumed Silica, Colloidal Silica, SpectrAl® Fumed Alumina  and CAB-O-SPERSE® Aqueous Dispersions products .
Prices will be increased up to 10 percent, depending on the product grade. This change will be effective for all shipments made on or after October 1, 2012, or as customer contracts allow.

The price increase is necessary due to rising costs of production, research and development, regulatory issues, packaging and logistics. The price adjustments will ensure that Cabot’s customers will continue to receive high-quality products, technology innovations and the highest level of customized service and technical support available.

About Cabot Corporation

Cabot Corporation (NYSE: CBT) is a global specialty chemicals and performance materials company, headquartered in Boston, Massachusetts. The company is the world’s No. 1 producer of rubber and specialty grade carbon black, activated carbons, inkjet colorants and cesium formate drilling fluids and has market-leading positions in fumed silica, aerogel, and elastomer composites. For more information on Cabot, please visit the company’s website at: http://www.cabotcorp.com.

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Vanessa Apicerno
Media Relations
(617) 342-6015

Erica McLaughlin
Investor Relations
(617) 342-6090