QIC holds the investment in QML on behalf of the state's Defined Benefit Fund, which funds superannuation obligations for retired workers. The state Government transferred QML to QIC in May 2011 for a market-value price of A$3.088 billion on an enterprise value basis. Since then the business has been substantially transformed, and has just reached contractual agreement to acquire Brisbane's Clem7 Tunnel for A$618 million, tolling rights for the city's A$1.5 billion Legacy Way tunnel and the A$308 million Go Between bridge. Queensland Investment Corporation (QIC) appointed Macquarie Group and UBS as financial advisers for the potential sale of the $4 billion Queensland Motorways (QML). Transurban is one group that has already expressed an interest in acquiring Queensland Motorways but several other bidders are also likely to emerge.