AND UPDATE ON CHAPADA PRODUCTION PLAN

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TORONTO, Jan. 11 /CNW/ - YAMANA GOLD INC. (TSX: YRI; NYSE: AUY; LSE: YAU) today provided operational results for the full year 2010, the Company's outlook on future production, costs, capital expenditures and exploration budget and an update on Chapada's production profile




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2010 Operational Highlights
---------------------------

- Fourth quarter production of 286,000 GEO, an increase of 7% from the
previous quarter and the third consecutive quarterly production
increase.

- 2010 production of 1,046,500 gold equivalent ounces (GEO),
in-line with previously stated guidance, and an increase from 2009
production.

- Cash costs for the full year 2010 were less than $125 per GEO (1),
after by-product credits, lower than previously stated guidance of
less than $175 per GEO.

Outlook Highlights
------------------

- 2011 production is expected to be in the range of
1.04 - 1.14 million GEO.

- 2012 production is expected to be in the range of 1.20-1.32 million
GEO, an increase of 27% versus 2010 levels as development projects
commence production.

- Production will further increase in 2013 and is expected to be in
the range of 1.46 - 1.68 million GEO, an increase of approximately
60% versus 2010, as the Company's development projects continue to
achieve full production.

- 2014 production is targeted at more than 1.7 million GEO as
development projects achieve full production or any further
exploration successes and optimizations and expansions that are
presently underway are completed. This represents production growth
over four years of approximately 65% from 2010 production levels.
This production growth does not include additional production from
new projects, expansions and optimizations now under evaluation.
>>






"In 2010, we continued to focus on consistency and reliability in our operations to create a sustainable production platform with comparatively low cash costs. Production and costs after credits for 2010 were within expected ranges, a clear demonstration of the commitment toward, and achievement of, this objective. I am pleased with the accomplishments of the Company this year and look forward to delivering on industry-leading production growth over the next few years," commented Peter Marrone, Chairman and Chief Executive Officer. "Planned production increases result from the start-up of development projects, for which construction decisions have already been made. In addition, the optimizations and expansions that are ongoing at our currently operating mines will further maximize value. Yamana is in a unique position as we deliver significant production growth, all of which is fully-funded from cash flow and available cash, and, at the same time, we expect to generate free cash flow throughout this growth phase and increase our cash balances. Yamana continues to execute on a superior organic growth profile and strategic initiatives which provide a compelling value proposition for investors over the next few years."





2010 PRELIMINARY OPERATING RESULTS





Production and costs for 2010 were within previously provided guidance. For the full year ended December 31, 2010, total production for the Company was approximately 1,046,500 GEO consisting of 863,000 ounces of gold and 10,085,000 ounces of silver which is represented on a gold equivalent basis. Production during Q4 2010 increased to approximately 286,000 GEO, an increase of 7% from Q3 2010. Chapada copper production for the year was 149 million pounds, with 40 million pounds having been produced in Q4 2010.


Production on a mine-by-mine basis for Q4 2010 and for the full year is summarized in the table below:




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Preliminary Production (GEO) Q4 2010 2010
--------------------------------------------------------
Chapada 37,000 135,648
El Penon 114,000 428,134
Gualcamayo 36,000 134,901
Jacobina 34,000 122,443
Minera Florida 32,000 105,556
Fazenda Brasileiro 20,000 70,232
Alumbrera (12.5%) 13,000 49,595
--------------------------------------------------------
Total Production (GEO) 286,000 1,046,509
--------------------------------------------------------
Total Copper (M lbs.)(Chapada) 40 149
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>>






Production levels at most of the Company's operating mines were within expected ranges. A summary of certain details by mine follows:




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- El Penon production of more than 428,000 GEO exceeded guidance and
represents an increase of almost 9% versus 2009.
- Jacobina produced at the high end of its estimated guidance range
reaching 122,443 ounces for the year, an increase of almost 10%
versus 2009.
- Minera Florida produced 105,556 GEO, which was consistent with
guidance despite the disruption in operations for a period of time
after an earthquake in Chile early in 2010.
- Chapada generally met expected production levels, achieving
135,648 gold ounces and 149 million pounds of copper for the year.
- Gualcamayo production was throughout Q3, and a portion of Q4, of
2010 as the Company implemented plans for improvements in recovery
and increases in capacity to 1, 500 tonnes per hour, which were
completed by the middle of Q4, and should positively impact 2011 and
thereafter.
>>






Of note in Q4, 2010, December production from all mines reached a high of 101,000 GEO, with Minera Florida and Gualcamayo achieving production levels of approximately 12,400 GEO and 14,100 ounces of gold, respectively. For Minera Florida, normalized quarterly production, before production increases resulting from the expansion which is in progress, should be just below Q4 production levels. For Gualcamayo, December production demonstrates the initial positive impact of the efforts undertaken for improvements in recovery and increases in capacity as noted above.


Cash costs in Q4 2010 and for the full year of 2010, (excluding Alumbrera) are estimated to be below $50 and below $125 per GEO, respectively, better than previously provided cost guidance of below $175 per GEO. Cash costs are calculated after by-product credits. Co-product cash costs for the full year 2010 are expected to be approximately $450 per GEO.





PRODUCTION OUTLOOK 2011-2014





Production in 2011 is expected to increase from 2010 as optimizations and expansions become effective and grades improve at several operations. Production in 2011 is targeted to be in the range of 1.04 to 1.14 million GEO, in line with previous guidance.


Production in 2012 is expected to increase by 27% from 2010 levels to between 1.2 to 1.33 million GEO as preliminary production is expected from the Minera Florida expansion and the Mercedes mine, as both projects advance to full production and capacity levels. C1 Santa Luz and Ernesto / Pau a Pique are also expected to start contributing to production by the end of 2012.


Production in 2013 is expected to increase by 60% from 2010 levels to between 1.46 and 1.68 million GEO, with new contributions expected from Pilar, and full year of production at Mercedes, C1 Santa Luz, and Ernesto/Pau a Pique.


Planned production for 2014, with the completion of the four development projects and expansions, is expected to be more than 1.7 million GEO, although further guidance on production will be provided as the development of contributing projects further advances.


Estimated production on a mine-by-mine basis for 2011-2012 is detailed below:




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Estimated Production (GEO) 2011E 2012E
-------------------------------------------------------------------------
Chapada 130,000 - 140,000 125,000-140,000
El Penon 420,000 - 440,000 420,000-450,000
Gualcamayo 150,000 - 170,000 165,000-180,000
Jacobina 120,000 - 135,000 130,000-145,000
Minera Florida 115,000 - 130,000 140,000-155,000
Fazenda Brasileiro 60,000 - 80,000 60,000-70,000
Alumbrera (12.5%) 40,000 - 50,000 40,000-50,000
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Development Projects 115,000-135,000
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Total GEO 1,035,000 - 1,145,000 1,195,000-1,325,000
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Total Copper (M lbs)(Chapada) 145 - 160 140-160
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>>






Silver production is expected to be close to nine million ounces in each of these years. Silver production is reported as a gold equivalent and included in the above forecasts at a ratio of 50:1.


The realization of these expectations will partially depend on the successful startup and ramp up of the Company's current growth projects: Mercedes, Ernesto/ Pau a Pique, C1 Santa Luz and Pilar. The expected average annual production of these projects, once in full operation, is detailed below:




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Project Expected Average
Annual Production
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Mercedes 120,000
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Ernesto / Pau a Pique 100,000
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C1 Santa Luz 100,000
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Pilar 120,000
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Equally, the Company is pursuing further optimizations and expansions of current and planned mines that would further increase production, all of which are being evaluated in 2011. These efforts focus on possible expansions at Pilar and Mercedes which would depend on resource increases which are pending. Production increases at Jacobina are also under evaluation as new discoveries of resources at higher grade are made. Finally, the Company is also advancing the Jeronimo project in Chile with a planned new reserve estimate mid 2011 and feasibility study by end of year. These optimizations, expansions and new projects would contribute to production above the current planned level beginning in 2014.





CASH COSTS





Estimated cash costs for 2011 through 2013 are forecasted to be below $250 per GEO. Cash costs are calculated after base metal by-product credits.





CAPITAL AND EXPLORATION





Capital expenditures for 2011 are expected to be approximately $640 million excluding capitalized exploration, of which $200 million is for sustaining capital. The 2011 sustaining capital includes approximately $50 million of spending on new initiatives relating to improvements in safety and environment, along with optimizations that will contribute to further efficiencies at all of the Company's operations. Development capital for 2011 includes the development of Pilar and the Gualcamayo expansion, for which construction decisions were made in mid 2010 and thereby supplements previously provided guidance. Development capital also includes construction for the first phase of development of Suruca, a project for which a pre-feasibility study was only recently completed, which will contribute to Chapada's gold production. These projects account for approximately $170 million in capital spending in 2011. Total development capital for each development project remains within expectations as noted in previous feasibility studies and guidance.


The Company expects to spend approximately $85 million on exploration, a continuation of the successful 2010 program. Yamana's 2011 exploration program will continue to focus on increasing mineral reserves and mineral resources with its near-mine and regional exploration programs, as well as continuing to explore greenfield targets.




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ASSUMPTIONS

The following assumptions were used for budgeting purposes:

Metal Prices
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2011E 2012E 2013E
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Gold US$ /ounce 1,225 1,300 1,300
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Silver US$/ounce 24.50 26 26
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Copper US$/lb 3.40 3.40 3.40
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Currency
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2011E 2012E 2013E
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Brazilian Real / US$ 1.80 1.80 1.80
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Argentine Peso / US$ 4.00 4.50 4.70
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Chilean Peso / US$ 500.00 500.00 500.00
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Inflation
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2011E 2012E 2013E
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Argentina 25% 15% 15%
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Brazil 7% 6% 6%
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Chile 3.5% 3.5% 3%
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CHAPADA UPDATE





New Chapada Production Plan - Suruca





The Company recently completed a pre-feasibility study on its 100%-owned Suruca gold deposit. Suruca is located 6 kms northeast of the Company's Chapada mine in Goias State, Brazil. The Suruca pre-feasibility study was prepared on the basis of reviewing the merits of the Suruca project's development incorporating three distinct phases or components to the project. These are i) the processing of Suruca oxides via conventional heap leach processing (the "Oxides Phase"); ii) the production of additional gold from the Chapada ore following modifications to the Chapada processing plant ("Phase I Sulphides"); and iii) the processing of Suruca sulphides through new processing facilities to be added to the Chapada plant ("Phase II Sulphides").


This positive pre-feasibility supports the addition to mineral reserves for Chapada of approximately 1.05 million ounces of gold, 268,000 ounces from oxides and 784,000 ounces from sulphides.


Total mineral resources and mineral reserves for Suruca are broken down as follows:




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Indicated Mineral Resources (1) Inferred
Resources
Ore Cutoff --------------------------------------------------------
Au (g/t) kt koz Au (g/t) kt koz
(x1000) (x1000) (x1000) (x1000)
-------------------------------------------------------------------------
Oxide 0.2 0.48 19,247 298 0.39 3,755 47
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Sulphide 0.3 0.50 132,114 2,127 0.39 5,423 68
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Total 0.50 151,361 2,425 0.39 9,178 115
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(1) Mineral resources are inclusive of mineral reserves.

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Probable Reserves Contained Metal (oz)
------------------------------------------------------------
Tonnes (tx1000) Au (g/t) Au (oz x 1,000)
------------------------------------------------------------
Oxide 16,331 0.510 268
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Sulphide 44,124 0.553 784
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Total 60,455 0.541 1,052
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Mineral reserves for Suruca are classified in accordance with the 2005 CIM Definition Standards and are based on a gold price of $900 per ounce.


The Oxides Phase and the Phase I Sulphides component of the project have a combined capex of approximately $100 million. These two phases of the project would provide total additional gold production to Chapada of approximately 446,000 ounces at combined cash costs approximating $420 per ounce from this incremental production. This additional production would begin in 2013 and would result in pro-forma gold production levels from Chapada averaging approximately 146,000 ounces per year over the next six years (2011 to 2016). Chapada's pro-forma mine life with the addition of this new project would extend to 2028.


The oxides would be produced using conventional heap leaching technology and would deliver in the order of 228,000 ounces of gold production. Approximately 16.3 million tonnes of ore would be processed over five years achieving average annual gold production of approximately 46,000 gold ounces. The Phase I Sulphide component of the project would deliver total gold production of approximately 218,000 ounces over the Chapada mine life. This additional production would be the result of installing a CIL and gravity concentrator at the existing Chapada plant, which is expected to increase gold recovery by approximately 10%.


The planned Chapada gold production for the next ten years, including all three phases of the project, based on the pre-feasibility production levels, is summarized as follows:




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(Production
in 000s oz) 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
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Chapada Ore 139 131 101 104 94 87 79 55 68 70
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Suruca Oxides 48 58 52 58 12
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Suruca
Sulphides 57 105 110 109
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Total Gold
Production 139 131 149 162 146 146 148 160 178 179
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Subject to further feasibility work and formal board approval, the Company has included in its 2011-13 budget the capital required to advance the first two phases of the Suruca project.


The Phase II Sulphides component of the project involves the addition of new processing facilities at the Chapada plant including the installation of a third mill and additional flotation cells. Further analysis and optimization of this phase of the project is underway as the Company would not be required to implement this part of the project until at least 2014 or 2015. Further, the Company believes that there is significant potential to further add to the current level of mineral reserves prior to finalizing the project design.





WEBCAST





Yamana will be hosting a presentation, providing insight into this outlook on Wednesday January 12, 2011 beginning at 9:00 am EST. The presentation will be webcast. To participate, logon at >www.yamana.com.





Quality Assurance and Quality Control





Yamana incorporates a rigorous Quality Assurance and Quality Control program for all of its mines and exploration projects which conforms to industry Best Practices as outlined by the CSE and National Instrument 43-101. This includes the use of independent third party laboratories and the use of professionally prepared standards and blanks and analysis of sample duplicates with a second independent laboratory.





Qualified Person





Greg Walker, P. Geo., Senior Manager Resources Estimation for Yamana Gold Inc. has reviewed and confirmed the scientific and technical information contained within this press release relating to Chapada's Suruca resources and serves as the Qualified Person as defined in National Instrument 43-101.


Evandro Cintra, P.Geo., Senior Vice President, Technical Services for Yamana Gold Inc has reviewed and confirmed the remainder of the scientific and technical information contained within this press release and serves as the Qualified Person as defined in National Instrument 43-101.





About Yamana





Yamana is a Canadian-based gold producer with significant gold production, gold development stage properties, exploration properties, and land positions in Brazil, Argentina, Chile, Mexico and Colombia. Yamana plans to continue to build on this base through existing operating mine expansions, throughput increases, development of new mines, the advancement of its exploration properties and by targeting other gold consolidation opportunities with a primary focus in the Americas.





NON-GAAP MEASURES





The Company has included certain non-GAAP measures including "Co-product cash costs per gold equivalent ounce", "Co-product cash costs per pound of copper," and "By-product cash costs per gold equivalent ounce," to supplement its financial statements, which are presented in accordance with Canadian GAAP.


The Company believes that these measures, together with measures determined in accordance with Canadian GAAP, provide investors with an improved ability to evaluate the underlying performance of the Company. Non-GAAP measures do not have any standardized meaning prescribed under Canadian GAAP, and therefore they may not be comparable to similar measures employed by other companies. The data is intended to provide additional information and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with Canadian GAAP.





CO-PRODUCT AND BY-PRODUCT CASH COSTS


The Company has included cash costs per GEO and cash costs per pound of copper information because it understands that certain investors use this information to determine the Company's ability to generate earnings and cash flows for use in investing and other activites. The Company believes that conventional measures of performance prepared in accordance with Canadian GAAP do not fully illustrate the ability of its operating mines to generate cash flows. The meassures are not necessarily indicative of operating profit or cash flows from operations as determined under Canadian GAAP. Cash costs per GEO are calculated on a co-product and by-product basis. Cash costs on a co-product basis are computed by allocating operating cash costs separately to metals (gold anc copper) based on an estimated or assumed ratio. Cash costs on a by-product basis are computed by deducting copper by-product revenues from the calculation of cash costs of production per GEO. Cash costs per GEO and per pound of copper are calculated on a weighted average basis.