Standard & Poor's Announces Changes in the S&P/TSX Canadian Indices

Index Treatment of a Rights Issue - Ivanhoe Mines Ltd.

TORONTO, June 8, 2012 /CNW/ - S&P Canadian Index Services will make the following changes in the S&P/TSX Canadian Indices:

On Wednesday, April 18, 2012, Ivanhoe Mines Ltd. (TSX:IVN) announced a rights offering open to all shareholders on an equal-participation basis. Shareholders of record on Tuesday, June 19, 2012, will receive one transferable right for each common share held.

Every 20 rights will allow the shareholder to purchase 7 common shares of Ivanhoe Mines at a price of $CDN7.17 per share. The rights offering will expire after close of trading on Thursday, July 19, 2012. The rights will trade on TSX on a when-issued basis starting on Thursday, June 14, 2012.

Assuming the rights are in-the-money at the time, the close price of Ivanhoe Mines on Thursday, June 14, 2012, will be reduced by the close price of the rights on the same date. Also after the close of Thursday, June 14, 2012, the outstanding shares of Ivanhoe Mines will increase by a factor of 1.35. The current (pre-Q2 2012 review) number of outstanding shares of Ivanhoe Mines is 740,655,000. The new number of outstanding shares will be 999,884,250 - effective after the close of Thursday, June 14, 2012. The Investable Weight Factor (IWF) will not change.

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SOURCE Standard & Poor's Canadian Index Operations