Mittal Steel, the world's biggest steel producer, announced today that it controls 91.88% of European steel maker Arcelor following its euro 25 billion takeover bid."I am delighted at this result, which is a resounding endorsement of the strategic logic and value of the merger of Mittal Steel and Arcelor - a truly industry transforming deal," Mittal Steel chairman Lakshmi Mittal said in a statement issued today.