Cabot Corporation to Increase Prices in North America for Carbon Black Used in Industrial Rubber Products and Tire Applications

June 13, 2016

BOSTON – June 13, 2016 - Effective for  all shipments made on or after July 15, 2016, or as customer contracts allow, Cabot Corporation will increase invoice prices  by $50/metric  tons ($0.0227/lb.) or 5 percent, whichever is greater, on all carbon  black products sold by its Reinforcement Materials segment in North America.

The price increase is required to address persistently  rising costs associated with manufacturing quality products, as well as costs  related to regulatory compliance, packaging and logistics. The price increase will enable Cabot to remain a reliable supplier of carbon black products  while providing customers with high-quality  products, technology innovations and the highest level of 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 a leading provider of rubber and specialty carbons, activated carbon, inkjet colorants, cesium formate drilling fluids, fumed silica, and aerogel. For more information on Cabot, please visit the  company’s website at: http://www.cabotcorp.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.