Capstone Announces S&P/TSX Composite Index Addition

VANCOUVER, December 13, 2010 - Capstone Mining Corp. (CS: TSX) today announced that on December 10, 2010
Standard & Poor's Canadian Index Operations announced the addition of
Capstone to the S&P/TSX Composite Index as a result of its quarterly review.
The addition will be effective at market open on Monday, December 20, 2010.

"The addition of Capstone to the S&P/TSX Composite Index is a result of
the substantial increase in market capitalization of Capstone over the past
number of months," said Darren Pylot, Vice Chairman and CEO. "Inclusion in
the index should encourage broader participation in Capstone's shareholder
register, particularly by index funds and similar investment vehicles."

Forward-Looking Information

This document may contain "forward-looking information" within the
meaning of Canadian securities legislation and "forward-looking statements"
within the meaning of the United States Private Securities Litigation Reform
Act of 1995 (collectively, "forward-looking statements"). These
forward-looking statements are made as of the date of this document and
Capstone Mining Corp. (the "Company") does not intend, and does not assume
any obligation, to update these forward-looking statements, except as
required under applicable securities legislation.

For further information about Capstone, please contact:

Darren Pylot, Vice Chairman & CEO or Jason Howe, VP Business Development
at +1-604-684-8894 or +1-866-684-8894 or e-mail Capstone at
info@capstonemining.com

For further information about Capstone, please contact: Darren Pylot, Vice Chairman & CEO or Jason Howe, VP Business Development at +1-604-684-8894 or +1-866-684-8894 or e-mail Capstone at info at capstonemining.com