Rio Tinto Plc

        --  Rio Tinto to make an all-cash offer for all the common shares
            of Hathor for C$4.15 per common share, representing a premium
            of more than 55 per cent to Hathor's unaffected closing price
            on 25 August 2011.
        --  Hathor's board unanimously recommends shareholders accept the
            Rio Tinto

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 09/14/11 -- Rio Alto Mining Limited ('Rio Alto' or the 'Company') (TSX VENTURE: RIO)(BVLAC: RIO)(OTCQX: RIOAF)(DBFrankfurt: MS2) is pleased to report that for its first quarter ended August 31, 2011 pre-commercial gold production from the La Arena Gold Oxide Mine was 9,385 ounces of gold. The Company

LONDON, UK, Aug. 24, 2011 /CNW/ --
LONDON, UK, Aug. 24, 2011 /CNW/ - Rio Tinto today exercised its right to
subscribe for and acquire common shares in Ivanhoe Mines Ltd. under its
Subscription Right. As a result, Ivanhoe Mines will issue 27,896,570
million new shares to a wholly-owned subsidiary of Rio Tinto, Rio Tinto
International Holdings

CALGARY, ALBERTA -- (Marketwire) -- 02/09/11 -- Rio Alto Mining Limited ('Rio Alto') (TSX VENTURE: RIO)(OTCQX: RIOAF)(BVLAC: RIO)(DBFrankfurt: MS2) is pleased to announce that it has exercised its option and has acquired 100% of La Arena gold-copper project ('La Arena Project') located in north-central Peru upon payment of the exercise price of