Press Release

Cabot Corporation Announces Leadership Changes

BOSTON--(BUSINESS WIRE)--Apr. 11, 2016-- Cabot Corporation (NYSE: CBT) appointed Hobart C. Kalkstein as senior vice president and president of the Reinforcement Materials segment, effective immediately. In this role, Kalkstein is responsible for the management of the Reinforcement Materials segment. In addition, Jay R. Doubman was appointed senior vice president, corporate strategy and development. Both Kalkstein and Doubman will report to Cabot President and Chief Executive Officer Sean D. Keohane.

Mr. Kalkstein joined Cabot in 2005. Since joining the company, Kalkstein has held several key management positions within the company, most recently as vice president of corporate strategy and development. He was also vice president of global business operations and general manager of global emission control solutions for the Purification Solutions segment, vice president of business operations and executive director of marketing and business strategy for the Performance Chemicals segment, and general manager of the aerogel business. Prior to joining Cabot, Kalkstein worked for Boston Consulting Group. Kalkstein earned his MBA from Harvard University and a BSE in civil engineering and operations research at Princeton University.

Mr. Doubman joined Cabot in 2006, and his most recent position was as vice president and general manager of the tire and elastomer composites product lines within the Reinforcement Materials segment. Since joining the company, he has held several commercial and business positions including vice president of the Europe, Middle East and Africa region for the Reinforcement Materials segment, director of corporate strategy, and commercial director for the inkjet business. Prior to joining Cabot, he worked for Saint Gobain, as well as Bain and Company. Doubman earned his MBA from The Wharton School, University of Pennsylvania and has a BS in Mechanical Engineering from Bucknell University.

“Bart has held a variety of commercial, leadership and strategy roles at Cabot. Bart's commercial experience and his depth of understanding of how to lead and develop businesses will be a strong advantage to the Reinforcement Materials segment,” Keohane said. “Jay’s experience in a number of business and strategy roles positions him well to lead our corporate strategy and development efforts. I have full confidence that both Bart and Jay will be successful in their new roles and I am pleased to have them as members of our management executive committee.”

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:

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.

Source: Cabot Corporation

Cabot Corporation
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