Rockwood to Sell Clay Based Additives Business to ALTANA Group for $635M

PRINCETON, N.J.--(BUSINESS WIRE)-- Rockwood Holdings, Inc.

announced today it entered into a definitive agreement to sell its Clay Based Additives business to ALTANA Group, a German based global specialty chemical company for a purchase price of $635 million, subject to customary adjustments. A segment of Rockwood's Performance Additives business, Clay Based Additives had 2012 sales of $191.4 million. This transaction is expected to close during the fourth quarter 2013 following receipt of certain regulatory approvals. “The sale of Clay Based Additives is another step forward in the implementation of our long term business strategy to maximize shareholder value,” said Seifi Ghasemi, Chairman and Chief Executive Officer. “I want to