Red Back Mining Inc. (Canada): Share Update
Changes In FTSE Indices

19 May 2010

Following the completion of a private placement of 24,000,000 shares and the receipt of updated shares in issue information from Red Back Mining Inc. (Canada, Constituent), FTSE announces the following changes:

INDEX	CHANGE	EFFECTIVE FROM START OF TRADING
FTSE Gold Mines Index	Red Back Mining (Canada, B00ZD16) will remain in the index with an increased shares in issue total of 256,434,885 and an unchanged investability weighting of 100%.	26 May 2010

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