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| Additional Information Important Information for Stockholders and Investors Nothing in this document or the discussions that follow shall constitute a solicitation to buy or subscribe for or an offer to sell any securities of Albemarle or Rockwood or a solicitation of any vote or approval. In connection with the proposed transaction, Albemarle and Rockwood will file a joint proxy statement/prospectus and other relevant documents concerning the proposed transaction with the Securities and Exchange Commission (“SEC”), and Albemarle will file a Registration Statement on Form S-4 with the SEC. STOCKHOLDERS OF EACH COMPANY AND OTHER INVESTORS ARE URGED TO READ THE REGISTRATION STATEMENT, JOINT PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) REGARDING THE PROPOSED TRANSACTION WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Stockholders and investors will be able to obtain a free copy of the registration statement and joint proxy statement/prospectus, as well as other filings containing information about Albemarle and Rockwood, without charge, at the SEC's Internet site (http://www.sec.gov). Copies of the registration statement and joint proxy statement/prospectus and the filings with the SEC that will be incorporated by reference therein can also be obtained, without charge, by directing a request to Albemarle Corporation, 451 Florida Street, Baton Rouge, Louisiana 70801, USA, Attention: Investor Relations, Telephone: +1 (225) 388-7322, or to Rockwood Holdings, Inc., 100 Overlook Center, Princeton, New Jersey 08540, USA, Attn: Investor Relations, Telephone +1 (609) 524-1101. Participants in Solicitation Albemarle, Rockwood, their respective directors and executive officers and other persons may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding Albemarle’s directors and executive officers is available in its proxy statement filed with the SEC by Albemarle on March 28, 2014, and information regarding Rockwood’s directors and executive officers is available in its proxy statement filed with the SEC by Rockwood on March 28, 2014. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the joint proxy statement/prospectus and other relevant materials to be filed with the SEC when they become available. These documents can be obtained free of charge from the sources indicated above. 23 |