MARI Marimaca Copper Corp

Coro Mining Corp. ("Coro" or the "Company") (TSX:COP) is pleased to announce
that it has agreed to sell its Chacay property, located in the III Region of
Chile, to Compania Minera Relincho SA, a subsidiary of Teck Resources Limited
("Teck") for US$2.5 million cash plus a 1.5% net smelter return royalty. The
sale is subject only to title due diligence and is expected to close by March
25, 2013.


Alan Stephens, President and CEO, commented, "We are pleased to be able to
monetize our Chacay property by selling it to Teck, owners of the nearby
feasibility stage Relincho project. We will use the proceeds to further advance
our exciting Berta, El Desesperado and Payen projects. As with the sale of our
Cordero property in Mexico to Valley High Ventures in 2008, and the subsequent
disposition of our shares in the market, the sale of Chacay for cash continues
to demonstrate Coro's ability to achieve non-dilutive financing through the sale
of non-core assets."


About Chacay

Chacay is an early stage porphyry copper prospect located 50km east of the city
of Vallenar, and 12km southeast of Teck's Relincho copper project, in the III
Region of Chile. Coro completed 3 campaigns of drilling in 2010 and 2011, which
resulted in the discovery of a chalcocite enrichment blanket under a leached
cap. No resource estimate was completed for the property.


The Company also advises that it has elected not to proceed with the El Inca
project, located in the III Region of Chile. In addition, the Company advises
that it has made the second payment on the El Desesperado project, located in
the II Region of Chile.


Alan Stephens FIMMM, President and CEO of Coro, a geologist with more than 35
years of industry experience is the Qualified Person for Coro who has reviewed
and approved the contents of this News Release.


CORO MINING CORP.

Alan Stephens, President and CEO

About Coro Mining Corp.:

The Company was founded with the goal of building a mining company focused on
medium-sized base and precious metals deposits in Latin America. The Company
intends to achieve this through the exploration for, and acquisition of,
projects that can be developed and placed into production. Coro's properties
include the advanced San Jorge copper-gold project, in Argentina, and the Berta,
El Desesperado, Payen, Chacay, Llancahue, and Celeste copper properties located
in Chile.


This news release includes certain "forward-looking statements" under applicable
Canadian securities legislation. Such forward-looking statements or information,
including but not limited to those with respect to the prices of copper,
estimated future production, estimated costs of future production, permitting
time lines, involve known and unknown risks, uncertainties, and other factors
which may cause the actual results, performance or achievements of the Company
to be materially different from any future results, performance or achievements
expressed or implied by such forward-looking statements or information. Such
factors include, among others, the actual prices of copper, the factual results
of current exploration, development and mining activities, changes in project
parameters as plans continue to be evaluated, as well as those factors disclosed
in the Company's documents filed from time to time with the securities
regulators in the Provinces of British Columbia, Alberta, Saskatchewan,
Manitoba, Ontario, New Brunswick, Nova Scotia, Prince Edward Island and
Newfoundland and Labrador.



FOR FURTHER INFORMATION PLEASE CONTACT: 
Coro Mining Corp.
Michael Philpot
Executive Vice-President
(604) 682 5546
investor.info@coromining.com
www.coromining.com

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