Global miner Rio Tinto
The offer of A$16.50 a share depended on it getting to at least a 47 percent holding in Riversdale by late on April 6. Otherwise it was set to pay A$16 a share.
Riversdale's two other key shareholders, India's Tata Steel
($1 = 0.965 Australian Dollars)
(Reporting by Sonali Paul and Ed Davies)