The company said that about 94,950,089 Hathor common shares were validly tendered by shareholders or held by an affiliate of Rio Tinto, representing 70.21% of the outstanding Hathor common shares on a fully diluted basis.

Rio Tinto has also extended its offer to buy all the common shares of Hathor for C$4.70 ($4.61) in cash by ten days.

Last month, the company increased this offer for Hathor to C$4.70 ($4.56) per share and the increased offer values Hathor at about C$654m ($642m) on a fully-diluted basis.

The board of directors of Hathor recommends that the company’s shareholders accept and tender their common shares to Rio Tinto’s offer.