News Release Details

BOSTON, MASS. (June 18, 2003) -- Cabot Corporation (NYSE:CBT) recently introduced CABOTech, a new online Technical Service feature on the company's website (www.cabotech.com). The new service is available to registered users who are interested in carbon black and fumed metal oxides technical solutions. Using this new feature, customers can ask product- or application-related questions of Cabot's global Technical Services team. Responses are posted in a secure area of Cabot's website for viewing only by the person who submits an inquiry.

According to Kedar Murthy, Cabot's Director of Global Sales, Technical Service and eBusiness, "Using this new channel, existing and potential customers can access our global Technical Service team to request information about our particles and/or work with us to develop new applications to meet their specific needs. It opens up a new 24-hour-a-day channel in which we can deliver technical solutions to our customers.

"CABOTech provides a direct link between technical experts and new and potential customers. Through this online service, we can explore new markets and applications for Cabot particles in an informal and customizable way," adds Murthy. "Best of all, this interactive service allows us to better understand the needs of our website visitors so that we can provide the most comprehensive services -- and content -- possible."

CABOTech is the most recent innovation added to Cabot's website at www.cabot-corp.com, which was relaunched with improved usability and navigation in late 2002.

Cabot Corporation is a global specialty chemicals and materials company headquartered in Boston, Mass. Cabot's major products are carbon black, fumed silica, inkjet colorants, and capacitor materials. Cabot has approximately 4,500 employees in more than 40 manufacturing plants and offices located in 21 countries around the world.