Dutch Steelmaker Buying ISG in  #36;4.5B Deal (AP) AP - Steel tycoon Lakshmi N. Mittal announced plans to pay  #36;4.5 billion in cash and stock for U.S. steelmaker International Steel Group Inc., which had been cobbled together by onetime investment banker Wilbur L. Ross Jr. from mills whose parents landed in bankrupcty court.