Madison Dearborn Partners has completed its sale of portfolio company BWAY to Platinum Equity. The transaction, first announced October 2, 2012, was valued at approximately $1.24 billion. Senior executives of BWAY invested alongside Platinum. BWAY is a supplier of general line rigid metal, plastic and hybrid containers. Madison Dearborn acquired the company in 2010 for $915 million in a public-to-private buyout.