Capstone Mining Added to the S&P/TSX Global Mining Index and the S&P/TSX
Global Base Metals Index

VANCOUVER, March 17 /CNW/ - Capstone Mining Corp. (CS: TSX) today announced that Standard & Poor's (S&P) has added Capstone to its S&P/TSX Global Mining Index as well as its S&P/TSX Global Base Metals Index, effective market-open on Monday, March 22, 2010.

"Capstone is pleased to be listed on the Global Mining Index and the Global Base Metals Index," commented Darren Pylot, Vice-Chairman and CEO. "Our inclusion reaffirms our position as one of the leading Canadian-based mid-tier copper producers, and one with significant growth potential. The addition of Capstone to both indices will provide greater exposure to the investment community, which should increase the recognition of the Company's value."

About the S&P/TSX Global Mining Index

The S&P/TSX Global Mining Index is a premier international benchmark tracking the world's leading mining companies. It aims to offer investors the full spectrum of exposure to the world's mining markets by providing an investable representative index of publicly-traded international mining companies.

About the S&P/TSX Global Base Metals Index

The S&P/TSX Global Base Metals Index is a subset of the existing S&P/TSX Global Mining Index. Eligible securities for the S&P/TSX Global Base Metals Index are classified under two Global Industry Classification Standard (GICS) subindustries: Diversified Metals and Mining and Aluminum. The index includes companies engaged in the extraction of industrial metals such as aluminum, zinc, copper and nickel.

For additional information on the S&P/TSX Indices, including methodology, please visit:

About Capstone

Capstone owns and operates two high grade copper mines and has an advanced high grade copper-zinc development project, all located in favourable mining jurisdictions in North America. The Cozamin Mine is a high grade, relatively shallow, mechanized underground copper mine in Zacatecas, Mexico, with significant by-product credits of zinc, lead and silver. The Minto Mine is one of the world's highest grade open pit copper-gold mines, and is located in the Yukon, Canada. Both mines have recently undergone significant production expansions and the mines are forecast to produce a total of 90-100 million pounds of copper in concentrate in 2010 at a total cash cost of approximately US$1.10 to $1.20 per pound of payable copper, net of by-product credits and selling costs. In addition, Capstone owns the high grade Kutcho Copper Project in British Columbia, Canada, which is being advanced towards a production decision, and could produce significant by-products of zinc, silver and gold.

Capstone aims to grow both organically through its existing projects, and through mergers and acquisitions. Capstone's growth ambitions are backed up by a successful track record of growth through both avenues, and supported by a strong balance sheet and significant equity investments.

The TSX does not accept any responsibility for the adequacy or accuracy of this press release.

SOURCE Capstone Mining Corp.

For further information: For further information: about Capstone, please contact: Darren Pylot, Vice Chairman & CEO, Stephen Quin, President & COO Or Investor Relations' Zobeida Slogan at (604) 684-8894 or (866) 684-8894,

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