Argonaut Gold Inc (AR)

[gsfl]

Added to the S&P/TSX Composite Index

TORONTO, ONTARIO--(Marketwire - March 14, 2012) - Argonaut Gold Inc. (TSX:AR) ("Argonaut Gold", "Argonaut" or the "Company") is pleased to announce that Standard & Poor's Index Operations will be adding Argonaut Gold to the S&P/TSX Composite Index effective as at the open on Monday, March 19, 2012.

One year ago in March of 2011, Argonaut Gold was added to the S&P Global Gold Index and the Global Mining Index. Argonaut has maintained inclusion in these two indices.

At the end of 2011, Argonaut Gold had a fully diluted market cap of $824 million (2010 ended at $383 million) and an average trading volume of 556,000 shares a day (2010 ended at 150,000 shares a day).

Mr. Peter Dougherty, President and CEO of Argonaut Gold, stated "The Company takes great pride in being able to announce we have been included in the S&P/TSX Composite Index. The accomplishments our team has achieved in just two years are very gratifying, and it's all because of the dedicated employees we have throughout every level of our organization". Mr. Dougherty added: "Over that time period we have seen a continual increase in both our market capitalization and share liquidity. The company is focused on delivering on our objectives as we strive to continue Creating Value Beyond Gold".