The Carlyle Group has agreed to receive a $500 million investment from Mubadala Development Company. A portion of the proceeds will be used to expand Carlyle's product lines and offerings. According to the agreement, Mubadala will receive a combination of convertible subordinated notes and equity interest in the Carlyle general partnership for the capital injection. Mubadala already holds a 7.5% stake in Carlyle from a September 2007 investment. Carlyle is being advised by Citi and JP Morgan on the latest transaction, while Mubadala is being advised by Goldman Sachs.