Navistar says $44.50 per share would secure takeover by VW

A letter published by the U.S. company said Navistar's board had asked Traton to confirm that a price of $44.50 per share was a basis for finalising definitive agreements.Traton declined to comment.Tratonraised its offer for Navistar to $43 per share last month and set an Oct. 16 deadline for the U.S. truckmaker to accept it.