"We have no interest in making a counter bid for Benfield," a spokeswoman for New York-based MMC said.
Chicago-based Aon last month announced that it will pay $1.75 billion in cash to acquire Benfield, which combined with Aon Re will become known as Aon Benfield Re (BI, Aug. 25).
MMC previously considered acquiring Benfield, but not on the same terms that Aon offered, a source close to the matter said.