Rio Tinto, through an indirect wholly owned subsidiary, has taken up a total of 119,456,310 Hathor Exploration Ltd.’s common shares, representing approximately 93.76% of the outstanding common shares of Hathor, on a fully diluted basis pursuant to its offer to acquire all of the outstanding Hathor common shares. Rio Tinto reportedly intends to acquire all outstanding Hathor common shares not tendered to the offer through a compulsory acquisition under the Canada Business Corporations Act. In addition, Rio Tinto intends to apply to delist the Hathor common shares from the Toronto Stock Exchange as soon as practicable after the completion of the compulsory acquisition.

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