Primero Mining Corp.

Primero Mining Corp.

September 14, 2011 07:00 ET

Primero Added to S&P/TSX SmallCap Index

TORONTO, ONTARIO--(Marketwire - Sept. 14, 2011) - Primero Mining Corp. ("Primero" or the "Company") (TSX:P)(NYSE:PPP) is pleased to announce that effective after the close of trading on Friday, September 16th, 2011 Standard & Poor's Canadian Index Operations will add Primero to the S&P/TSX SmallCap Index.

"We are pleased to be added to the S&P/TSX SmallCap Index," said Joseph F. Conway, President and C.E.O. "Our inclusion will help improve Primero's trading liquidity and increase our exposure to a broader range of potential investors."

The S&P/TSX SmallCap Index provides an investable index for the Canadian small cap market. The index is float adjusted and market cap weighted and was developed with industry input as the ideal benchmark for those with small cap exposure of the Canadian equity market. The Toronto Stock Exchange serves as the distributor of both real-time and historical data for this index. Eligibility criteria include certain levels for market capitalization and liquidity, among other requirements. The new additions to the S&P/TSX SmallCap Index were made public by Standard & Poor's Canadian Index Operations on September 9, 2011 following their annual index review.

About Primero

Primero Mining Corp. is a Canadian-based precious metals producer that owns 100% of the San Dimas gold-silver mine in Mexico. Primero offers immediate exposure to un-hedged, low cash cost gold production with a substantial resource base in a politically stable jurisdiction. The Company intends to become an intermediate gold producer by building a portfolio of high quality, low cost precious metals assets in the Americas.

Primero's website is


This press release contains "forward-looking information", as such term is defined in applicable Canadian securities legislation and "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. The forward-looking statements in this press release include statements regarding proposed growth plans for Primero, intentions to become an intermediate gold producer, forecasted production, operating costs, and capital expenditures. The forward-looking statements are based on reasonable assumptions, including assumptions related to the availability of acquisition targets and financing requirements, and the assumptions set out elsewhere in this news release. Factors that may cause actual results to vary from anticipated results include the risks that Primero may not find acquisition targets at attractive prices, mineral reserves or resources are not as estimated, the actual results of exploration and development activities not being as anticipated, costs of production being higher than anticipated, fluctuations in the exchange rate between the Mexican Peso, Canadian dollar and US dollar, lower than anticipated grade of the ore mined, fluctuations in capital markets and other risks disclosed in the Company's second quarter 2011 Financial Statements and MD&A, and in the Company's January 17, 2011 news releases, available under the Company's profile on SEDAR at Although Primero believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in forward looking statements. Forward looking statements are based on the beliefs, estimates and opinions of Primero's management on the date the statements are made. Primero undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change, except as required by law.

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