Cabot Pledges $500,000 in Contributions to Japan-Relief Efforts

April 19, 2011

Cabot donations include $100,000 to Aizu-Wakamatsu City and Fukushima

BOSTON & TOKYO, Apr 19, 2011 (BUSINESS WIRE) -- Cabot Corporation (NYSE: CBT) has pledged $500,000 to support earthquake and tsunami relief efforts in Japan, company officials announced today.

At the request of the company's employees in Japan, Cabot will immediately donate a total of $100,000 to Aizu-Wakamatsu City and the Fukushima Prefecture Social Welfare Division.

In addition, Cabot will donate $400,000 to local organizations dedicated to providing relief or rebuilding communities.

"Our thoughts are with the people of Japan in the wake of these tragic events," said Patrick Prevost, Cabot president and chief executive officer. "We hope that our contributions today will provide some measure of relief and support."

The donations are being made by the Cabot Corporation Foundation, Inc., which supports outreach activities in local communities where Cabot operates. The Foundation will work with Cabot Japan to identify the greatest areas of need.

"We are grateful for the foundation's support to our local communities," said Nobumasa Ishiai, Cabot Japan president. "Our employees especially appreciate the contribution to Fukushima. We felt strongly we wanted to support the people who are at the center of the crisis, as they need the most help."

Ishiai also said, "As a Cabot representative in Japan, I am grateful for the generosity that countries from around the world have shown to us."

In Japan, Cabot operates carbon black manufacturing facilities in Chiba and Shimonoseki, a tantalum powder facility in Aizu, and a business office in Tokyo.

Cabot has 4,000 employees located in 21 countries globally.

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.

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

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