Rio Tinto PLC (RIO.LN) said Friday it is raising the amount of shares it is going to buy between March 1 and July 28 to $300 million.
The mining company previously planned to buy back about $206 million worth of shares during the period as part of its larger share buy-back program.
Rio Tinto said it is allocating a maximum $500 million to the program to the end of this year.
Shares closed Friday down 0.7% at 2970 pence.
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(END) Dow Jones Newswires
May 12, 2017 12:06 ET (16:06 GMT)