Rockwood Announces Agreement to Sell Common Stock by Stockholders

  Rockwood Announces Agreement to Sell Common Stock by Stockholders

Business Wire

PRINCETON, N.J. -- November 14, 2012

Rockwood Holdings, Inc. (NYSE: ROC) (the “Company”) announced today that funds
affiliated with Kohlberg Kravis Roberts & Co. L.P. have agreed to sell
6,900,838 shares of their common stock in an underwritten offering. The
Company will not receive any proceeds from the offering.

The shares will be offered pursuant to an automatically effective registration
statement previously filed with the Securities and Exchange Commission. A
prospectus supplement relating to the offering will be filed with the
Securities and Exchange Commission.

Morgan Stanley & Co. LLC is serving as sole book running manager of the
offering. Morgan Stanley & Co. LLC proposes to offer the shares of common
stock obtained from the selling stockholders from time to time for sale in one
or more transactions on the NYSE, in the over-the-counter market, through
negotiated transactions or otherwise at market prices prevailing at the time
of sale, at prices related to prevailing market prices or at negotiated
prices.

Copies of the U.S. prospectus related to the Offering may be obtained by
contacting Morgan Stanley & Co. LLC, 180 Varick Street, 2nd Floor, New York,
New York 10014 Attention: Prospectus Department (telephone 866-718-1649 (toll
free) or 917-606-8474) or by e-mailing prospectus@morganstanley.com).

This press release shall not constitute an offer to sell or the solicitation
of an offer to buy nor shall there be any sale of these securities in any
state in which such offer, solicitation or sale would be unlawful prior to
registration or qualification under the securities laws of any such state.

Rockwood Holdings, Inc. is a leading global specialty chemicals and advanced
materials company. Rockwood Holdings, Inc. and its subsidiaries and affiliates
(“Rockwood”) has a worldwide employee base of approximately 10,300 people and
annual net sales of approximately $3.7 billion. Rockwood focuses on global
niche segments of the specialty chemicals, pigments and additives and advanced
materials markets.

The information set forth in this press release contains certain
“forward-looking statements” within the meaning of the Private Securities
Litigation Reform Act of 1995 concerning the business, operations and
financial condition of Rockwood. Words such as “anticipates,” “believes,”
“estimates,” “expects,” “forecasts,” “predicts” and variations of such words
or expressions are intended to identify forward-looking statements. Although
Rockwood believes the expectations reflected in such forward-looking
statements are based upon reasonable assumptions, there can be no assurance
that its expectations will be realized. “Forward-looking statements” consist
of all non-historical information, including any statements referring to the
prospects and future performance of Rockwood. Actual results could differ
materially from those projected in Rockwood’s forward-looking statements due
to numerous known and unknown risks and uncertainties, including, among other
things, the “Risk Factors” described in Rockwood’s 2011 Form 10-K on file with
the Securities and Exchange Commission. Rockwood does not undertake any
obligation to publicly update any forward-looking statement to reflect events
or circumstances after the date on which any such statement is made or to
reflect the occurrence of unanticipated events.

Contact:

Rockwood Holdings, Inc.
Timothy McKenna, 609-734-6430
tmckenna@rocksp.com