28 / PRNewswire / -- Rio Tinto Finance ( USA ) Limited ( the " Company " ) announced today the results of its cash tender offer ( the " Tender Offer " ) for any and all of the outstanding 5.875 % Notes due 15 July 2013 issued by it and guaranteed by Rio Tinto plc and Rio Tinto Limited ( the " Notes " ) , of which US $ 2.5 billion in aggregate principal amount is outstanding .