MARI Marimaca Copper Corp

Coro Mining Corp. ("Coro" or the "Company") (TSX:COP) is pleased to provide an
update on its projects and strategy for developing a growth oriented copper
mining business in Chile.


Berta Copper Development Project

On November 7th 2013, Coro announced that its subsidiary, SCM Berta S.A.
("SCMB") and a third party had executed a preliminary agreement which
accompanied SCMB's submission of an Environmental Impact Declaration ("EID") for
the Berta project, located approximately 20km west of the village of Inca de
Oro, in the III Region of Chile. The agreement contemplates the sale of water to
SCMB and the purchase of pregnant leach solution from SCMB at the third party's
solvent extraction/electro-winning ("SXEW") operation, for a period of 5 years. 


Development of the project would include the construction by SCMB of a pipeline
between Berta and the third party's processing facilities, as well as a crusher
and heap & dump leach pads at the mine site. Subject to SCMB executing a
definitive agreement with the third party, completing a positive Preliminary
Economic Assessment ("PEA"), receiving an approved EID, and to obtaining
financing for the project, Berta is anticipated to produce 5,000-10,000 tonnes
of cathode copper per year.


SCMB is currently 87% owned by Coro and 13% by its partner, ProPipe, a Chilean
engineering company, and ProPipe may increase its interest to 50% by funding all
of the ongoing development costs, completing the PEA and arranging 100% debt
financing, non-recourse to Coro, for the project. 


The EID permitting process is proceeding normally and Coro anticipates that it
should be concluded later this quarter. The definitive agreement with the owner
of the third party plant is being finalised and is currently going through their
internal approval process. The engineering studies are virtually complete and
Coro anticipates that the PEA may be released once the definitive agreement
between SCMB and the third party is executed, later this quarter. Negotiations
are in progress with the underlying property owner to defer the final US$2.5m
option payment payable by SCMB in June 2014. Finally, ProPipe is in discussions
with parties interested in financing the project.


Payen Copper-Gold Exploration Project

On October 9th 2013, Coro announced that it had entered into an agreement with
Minera Freeport-McMoRan South America Limitada (formerly Minera Aurex (Chile)
Limitada) ("Freeport SA"), an indirect subsidiary of Freeport-McMoRan Copper &
Gold Inc., whereby Freeport SA may exercise an option to acquire up to an 80%
interest in the Payen porphyry copper-gold property. Payen is located
approximately 90km NNE of La Serena, 4km W of the Panamerican Highway and
approximately 47km from the coast, in the III Region of Chile, at an elevation
of 1,100m.


The Payen property is located within the large Pajonales alteration zone which
is part of the 90-110 million year old belt of porphyry copper-gold deposits
which includes Teck's Andacollo mine, Cemin's Dos Amigos mine, PanAust's Inca de
Oro & Carmen projects and Hot Chili's Frontera project, which is located some
2.5km SE of the Payen property boundary. In a news release of 11th March 2014,
Hot Chili Ltd announced a JORC compliant Indicated resource for Frontera of
16.1mt at 0.4%Cu + 0.2g/tAu and an Inferred resource of 34.4mt at 0.4%Cu +
0.2g/tAu. 


In 2011-12, reverse circulation drilling of outcropping potassically altered and
quartz stockworked diorite porphyry on the property intersected encouraging
copper-gold mineralization, results of which were summarized in the Company's
news release of October 17th 2012. 


Since execution of the agreement, Freeport SA has completed surface exploration
comprising geophysics, geochemistry and geological mapping, and has advised Coro
that it intends to initiate a 4000-5000m diamond drilling program later this
quarter. Coro believes that Payen has the potential to host a major copper-gold
porphyry deposit, and we look forward to receiving the results of the Freeport
SA drill program later this year.


San Jorge Copper Development Project

On March 5th 2012, Coro announced the results of a Preliminary Feasibility Study
for its San Jorge project in Argentina, which comprises a proposed rock
quarrying operation in Mendoza province together with an SXEW plant located in
adjacent San Juan province, for the production of up to 25,000 tonnes per year
of copper in cathode. 


On December 9th 2013, Coro announced the execution of a binding Heads of
Agreement with a group comprised of Aterra Investments Ltd. and Solway
Industries Ltd. giving them rights to acquire up to a 70% interest in the
project, with the provision for an early buy-out of Coro's interest, subject to
Coro's retention of a 2.5% Net Smelter Return on the production of all payable
metals from the project, except gold. 


Aterra and Solway have now taken over management of the project, and the parties
are working towards the expeditious execution of a definitive agreement, which
includes a cash payment to Coro of US$300,000 within 6 months of its signature,
and two further payments of US$500,000 each on the first and second anniversary
dates of signature.


El Desesperado Copper Exploration Project

On February 27th 2014, Coro announced the results of a 5 hole, 1191m diamond
drilling program and a 7 hole, 950m reverse circulation drilling program at the
El Desesperado copper project, located 7 km NW of the city of Calama in the II
Region of Chile. A thorough review of the exploration results concluded that the
near surface mineralization intersected in drilling comprises both oxidized and
enriched structurally controlled mineralization, and transported exotic copper
oxides, but disappointingly of more limited extent than anticipated. A porphyry
copper system may be present at unknown depth beneath this mineralization, but
given the high risk nature of the target and the cost of testing it, both in
terms of drilling and property payments, Coro has elected to terminate the
option to acquire the property.


Corporate Strategy Update

Using our in-house exploration and development expertise, Coro's strategy is to
grow a mining business in Chile through the discovery, development and operation
of "Coro type" deposits. These are defined as projects at whatever stage of
development that are well located with respect to infrastructure and water, or
to third party owned plants with spare capacity, and which have the potential to
achieve a short and cost effective timeline to production. Our preference is for
open pit heap leach copper projects, where we will seek to minimise capital
investment rather than maximise NPV, where we will prioritise profitability over
production rate, and finally, where the likely capital cost is financeable
relative to our market capitalization. Partners will be sought for any
attractive projects identified that we do not have the financial capacity to
develop alone.


Cash Balance

As at March 31st 2014, Coro had a cash balance of US$1.3m. In addition, the
outstanding US$500,000 payment from the sale of the Chacay property last year is
expected to be received later this quarter or early next.


Alan Stephens, FIMMM, President and CEO, of Coro Mining Corp, a geologist with
more than 38 years of experience, and a Qualified Person for the purposes of NI
43-101, is responsible for 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
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 in Chile. Coro's properties include the
Berta, Payen, Celeste and Llancahue copper properties in Chile and the advanced
San Jorge copper-gold project, in Argentina. 


For further information please visit the Company's website at www.coromining.com.

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 future transactions 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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