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Cabot Corporation Increases Prices for Fumed Metal Oxides Globally

BOSTON – Effective September 25, 2017, or as contracts permit, Cabot Corporation will increase prices 6 percent globally for CAB-O-SIL® fumed and colloidal silicas, CAB-O-SPERSE® aqueous dispersions and SpectrAl® fumed alumina products.

The price increase has become necessary due to escalating raw material and operating costs, including environmental compliance, packaging and transportation. The price adjustments will enable Cabot to support investments related to supply reliability and environmental compliance requirements. Furthermore, it will help ensure that Cabot continues to provide customers with high-quality products, technology innovations and the highest level of customized service and technical support available.

Cabot Corporation (NYSE: CBT) is a global specialty chemicals and performance materials company, headquartered in Boston, Massachusetts. The company is a leading provider of rubber and specialty carbons, activated carbon, inkjet colorants, cesium formate drilling fluids, masterbatches and conductive compounds, fumed silica and aerogel. For more information on Cabot, please visit the company’s website at:

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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.

Contact: Vanessa Craigie
               Media Relations
               (617) 342-6015