Simpson Thacher is representing Rockwood Holdings in connection with its merger with Albemarle. In the merger, each share of Rockwood common stock will be exchanged for $50.65 in cash and 0.4803 of a share of Albemarle common stock, valuing the transaction at approximately $6.2 billion. Upon closing, Albemarle shareholders will own approximately 70% of the combined company and Rockwood shareholders will own approximately 30%. The transaction is subject to shareholder and regulatory approval and other customary closing conditions and is expected to close in the first quarter of 2015.

The Simpson Thacher team was led by Brian Stadler and Roxane Reardon, and included Eric Swedenburg, Ben Schaye, Scott Naturman, Judy Huang, Paul Bennett and Ben Heriaud (M&A); James Cross and Chris Bell (Credit), Ryan Bekkerus and Patrick Baron (Capital Markets), David Rubinsky, David Mollo-Christensen and Patricia Adams (Executive Compensation); Marcy Geller, Rob Holo and Sophie Staples (Tax); David Vann, Michael Naughton, Etienne Renaudeau and Tara Kelly (Antitrust); Mike Isby (Environmental); and Alex Key (Intellectual Property).

Albemarle is a New York Stock Exchange-listed company headquartered in Baton Rouge, LA. Albemarle is a leading global developer, manufacturer and marketer of highly engineered specialty chemicals for consumer electronics, petroleum refining, utilities, packaging, construction, automotivetransportation, pharmaceuticals, crop protection, food safety and custom chemistry services.

Rockwood is a New York Stock Exchange-listed company based in Princeton, NJ. It is a leading global developer, manufacturer and marketer of technologically advanced and high value-added specialty chemicals. Rockwood is a leading integrated and low-cost global producer of lithium and lithium compounds used in lithium-ion batteries for electronic devices, alternative transportation vehicles and future energy storage technologies. The company is also the second-largest global producer of products and services for metal processing.