Rockwood completes sale of its Massachusetts-based AlphaGary plastic compounding business to Mexichem for US$300M

PRINCETON, New Jersey , January 10, 2011 (press release) – Rockwood Holdings Inc. (NYSE: ROC) announced today that is has completed and closed the sale of the AlphaGary plastic compounding business to Mexichem C.V. effective January 7, 2011 for $300 million in cash. AlphaGary, which comprised substantially all of Rockwood’s Specialty Compounds segment, had $224.6 in net sales and $33.5 million in Adjusted EBITDA for the twelve months ended September 30, 2010.

In line with the company’s stated goal, Rockwood expects to use the proceeds of the sale to reduce debt.

Rockwood Holdings, Inc., is a leading global specialty chemicals and advanced materials company. Rockwood has a worldwide employee base of approximately 9,500 people and annual net sales of approximately $3 billion. The company focuses on global niche segments of the specialty chemicals, pigments and additives and advanced materials markets. For more information on Rockwood, please visit

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