Yamana Increases Mineral Reserves by 11%
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Yamana Increases Mineral Reserves by 11%
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TORONTO, ONTARIO -- (Marketwire) -- 02/22/12 -- YAMANA GOLD INC. (TSX:YRI)(NYSE:AUY)(LSE:YAU) ("Yamana" or "The Company") today announced its mineral reserves and resources for the year ended December 31, 2011. The Company's total gold equivalent ounces(1) (GEO) in the proven and probable mineral reserves category increased by 2.0 million ounces to 18.6 million ounces, which represents an 11% increase over the previous year. Total measured and indicated resources were replaced and inferred GEO mineral resources increased by 39% to over 10 million ounces. The increases are net of 2011 depletion due to production of 1.1 million GEO.

HIGHLIGHTS:


--  Total proven and probable GEO mineral reserves increased to 18.6 million
    ounces, an 11% increase from 2010 and includes: 
    --  Total gold mineral reserves of 17.0 million ounces, an increase of
        10% 
    --  Total silver mineral reserves of 82.9 million ounces, an increase of
        28% 

--  Total measured and indicated GEO mineral resources of 13.6 million
    ounces, replacing resources that were upgraded to reserves and includes:
    --  Total measured and indicated gold mineral resources of 13.2 million
        ounces 
    --  Total measured and indicated silver mineral resources of 23.4
        million ounces 

--  Total inferred GEO mineral resources increased to 10.3 million ounces,
    an increase of 39% over 2010 due to new discoveries at Chapada,
    Gualcamayo, Fazenda Brasiliero and CI Santa Luz and significant
    extensions to known deposits at Pilar, El Penon and Mercedes. 
    --  Total inferred gold mineral resources of 9.1 million ounces, an
        increase of 39% 
    --  Total inferred silver mineral resources of 63.4 million ounces, an
        increase of 28% 

--  El Penon - Total mineral reserves increased 20% to 3.5 million GEO
    supporting an increased mine life and sustainable production of 440,000
    GEO per year 
--  Jacobina - Total mineral reserves increased 20% to 2.0 million ounces
    with an increase of 10% in mineral reserve grade 
--  Jeronimo - Total attributable mineral reserves increased 17% to 1.1
    million ounces 
--  Chapada - Total mineral reserves increased 6% to 3.3 million ounces with
    an increase in mineral reserve grade of 9% 
--  Minera Florida - Total mineral reserves increased 28% to 968,000 GEO as
    the tailings are upgraded to reserves 

"The success of our 2011 exploration program is demonstrated by our significant total mineral resource growth and conversion of mineral resources to mineral reserves this year. This has built on the success of our 2010 program and the growth in mineral reserves and resources from last year. The continued growth of our total resource base together with our historical conversion rates gives us confidence in the sustainability of the 1.75 million ounces of production that we expect beginning in 2014. This growth also increases the gold represented by each share in Yamana, enhancing shareholder value," said Yamana's Chairman and Chief Executive Officer, Peter Marrone. "We are now looking at the next wave of growth projects that will take us beyond 1.75 million ounces, and as Jeronimo is our next project under evaluation, it is important to note that attributable mineral reserves increased by approximately 17% this year before completion of our feasibility study or making a construction decision. We will continue to focus on building our project pipeline to deliver consistent growth in accordance with our organic growth strategy."

Mineral reserves and resources were calculated based on a gold price of $950 per ounce, a silver price of $20 per ounce and a copper price of $2.50 per pound (except where noted).

On a gold equivalent basis proven and probable mineral reserves are 18.6 million GEO for the year ending December 31, 2011, an increase of over 11 % from 2010 at 16.6 million GEO. This is comprised of 17.0 million ounces of proven and probable gold mineral reserves and 82.9 million ounces of proven and probable silver mineral reserves. Average gold grade increased by 9% with notable contributions from Chapada, Jacobina and Gualcamayo. Proven and probable copper mineral reserves were 2.6 billion pounds of copper at an average grade of 0.30% including Alumbrera.


CONSOLIDATED MINERAL RESERVES AND MINERAL RESOURCES                         
AS AT DECEMBER 31, 2011                                                     
                                                                            
----------------------------------------------------------------------------
                           Contained Gold Contained Silver  Contained Copper
                           (000's ounces)   (000's ounces) (Millions of lbs)
----------------------------------------------------------------------------
Total Proven and Probable                                                   
 Mineral Reserves                  17,038           82,940             2,569
----------------------------------------------------------------------------
Total Measured and                                                          
 Indicated Mineral                                                          
 Resources                         13,192           23,384               986
----------------------------------------------------------------------------
Total Inferred Resources            9,142           63,426             1,218
----------------------------------------------------------------------------

Detailed mineral reserve and mineral resource tables follow at the end of this press release and are available on our website, www.yamana.com/reserveandresource.

The most notable changes are detailed below:

El Penon,Chile

Total gold equivalent mineral reserves increased by 20% to 3.5 million GEO supporting an increased mine life and a higher sustainable production level of 440,000 GEO per year. The Company has increased GEO mineral reserves for two consecutive years since 2009. In 2011, gold equivalent mineral reserve tonnage increased by 33% at an average grade of 9.7 g/t. This increase includes a portion of the Pampa Augusta Victoria (PAV) vein system which is 'open pittable' as it is near surface and easily accessible. The 2012 exploration program at El Penon will focus on the extension of PAV and areas within the North Block as well as more recent discoveries. This effort is expected to result in continued increases in mineral resources in 2012.

Chapada, Brazil

Total gold mineral reserves increased by 6% to 3.3 million ounces at an average grade of 0.25 g/t, a 9% increase from 2010. The increases are largely attributed to the inclusion of portions of the Suruca and Corpo Sul mineral resources upgrading to mineral reserves. Measured and indicated mineral resources declined slightly but with a modest increase in grade. This was expected given the exploration focus in 2011 was to upgrade mineral resources to mineral reserves and further exploration of Corpo Sul. Gold mineral reserves have increased cumulatively by 54% since 2009. Inferred mineral resources increased by 193% to 1.2 million GEO in 359.0 million tonnes of mineral resources at 0.10 g/t.

A feasibility study was completed for Suruca in late 2011 which outlines average annual gold production of 49,000 ounces over an initial five years beginning in 2013. Corpo Sul is a new discovery made during 2011. It is expected that further work at Corpo Sul will significantly contribute to 2012 growth of mineral reserves.

Jacobina, Brazil

Total proven and probable gold mineral reserves increased by 20% to 2.0 million ounces. Since acquisition of the mine, the Company has increased gold mineral reserves cumulatively by 64% representing a five-year consecutive increase. As at December 2011 mineral reserve grade increased by 10% to 2.74 g/t as the higher grade Canavieiras and Morro do Vento deposits were upgraded to mineral reserves. Since 2009, mineral reserve grade has increased by 28% from 2.14 g/t to 2.74 g/t. Measured and indicated mineral resources increased by 44% to 2.4 million ounces in 27.6 million tonnes of mineral resources at 2.70 g/t. These results warrant the Company's continuing evaluation of higher production levels at Jacobina related to the higher grade mineral reserves. This is the third year of consecutive quality improvements and increases in mineral reserves and mineral resources at Jacobina.

Gualcamayo, Argentina

Total mineral reserves were depleted by 9%. Measured and indicated mineral resources increased by 20% to 1.1 million ounces in 33.6 million tonnes of mineral resources at 1.04 g/t. Inferred mineral resources increased by 444% to 626,000 ounces in 10.3 million tonnes of mineral resources at 1.9 g/t. The mineral resource increases are a result of exploration south west of the QDD Lower West (QDDLW) deposit which intersected two large bodies of sulphide breccia similar to QDDLW. These are potentially an extension of QDDLW, sub-parallel bodies or feeders to the QDDLW. This mineralization remains open to the south west and down dip. Exploration in 2012 will focus on expanding these new discoveries and linking them with QDDLW.

Minera Florida, Chile

Total proven and probable gold equivalent mineral reserves increased by 28% to 968,000 GEO from 2010 and increased by 38% over the last two consecutive years. The 2011 increase includes the historic tailings that were upgraded to mineral reserves as a result of the impending start-up of the Minera Florida expansion in which the tailings will be processed. The tailings represent 5.7 million tonnes of mineral reserves averaging 1.35 gold equivalent g/t for 245,000 GEO. This expansion will produce approximately 40,000 GEO's per year with the first gold pour expected in March, 2012. Measured and indicated mineral resources increased by 46% to 584,000 GEO at an average gold equivalent grade of 6.5 g/t which includes new mineral resources within the main core.

Fazenda Brasileiro, Brazil

Total mineral reserves increased by 104% to 359,000 ounces at an average grade of 2.4 g/t as some mineral resources were upgraded to mineral reserves, primarily from CLX2 and Canto in addition to the remodelling of some existing mineral reserves. Measured and indicated mineral resources modestly declined as mineral resources were converted to mineral reserves through infill drilling and inferred mineral resources increased by 160% to 525,000 ounces in 4.7 million tonnes of mineral resources at 3.45 g/t. The Company has been mining at Fazenda Brasileiro for seven years after acquiring the mine in 2003 with only 2.5 years of mine life remaining based on known mineral reserves.

Mercedes, Mexico

Total proven and probable mineral reserves increased by 22% to 1.0 million GEO as a result of the increase in GEO mineral reserves, primarily from the Barrancas, Lagunas Norte and Diluvio vein structures. Measured and indicated mineral resources were replaced at 202,000 GEO, and inferred mineral resources increased by 14% to 561,000, and include the new ounces from the additional vein structure in the Barrancas zone and the more recently discovered Diluvio zone of the Lupita vein structure.

C1 Santa Luz, Brazil

Total mineral reserves increased by 24% to 1.5 million ounces as a result of exploration success down dip of the existing mineral resource in addition to the increase in the gold price assumption that had not been changed since the completion of the feasibility study. Measured and indicated mineral resources modestly declined due to the conversion of most of the mineral resources to mineral reserves. Inferred mineral resources increased by 107% to 476,000 ounces in 5.9 million tonnes of mineral resources, most of the increase was grade driven as gold grades improved by 77% to 2.53 g/t.

Ernesto/Pau-a-Pique, Brazil

Total mineral reserves increased by 11% to 791,000 ounces. Measured and indicated mineral resources increased by 14% on 2.3 million tonnes of mineral resources at 1.92 g/t to 141,000 ounces and inferred mineral resources also increased by 14% in 4.9 million tonnes of mineral resources at 1.87 g/t to 293,000 ounces. These increases can be attributed to the upgrade of mineral resources at the Lavrinha deposit to mineral reserves and the slight increase in the gold price assumptions.

Pilar, Brazil

Inferred mineral resources increased by over 200% to 1.1 million ounces in 8.2 million tonnes of mineral resources at 4.06 g/t which reflects a significant increase in grade. These mineral resource increases are attributed to exploration success down dip at Jordino and along strike to the north. The mineral reserve was unchanged from 2010 year end as the focus of the 2011 exploration program was the expansion of the total mineral resource base and discovery of new mineralized zones to support higher production levels at Pilar.

Jeronimo, Chile

Total attributable mineral reserves increased by 17% to 1.1 million gold ounces from the initial mineral reserve declared in 2010. On a 100% basis, the project has 1.9 million gold ounces in mineral reserves and 246,000 gold ounces of measured and indicated mineral resources.

During 2011, the Company completed a pre-feasibility study. The final feasibility study is expected to be delivered before mid-year 2012. The Company is completing some additional metallurgical testing and advanced engineering that are expected to increase certainty of feasibility results and have potential to increase production and recovery levels. The Company anticipates making a construction decision on Jeronimo in 2012.

2012 Exploration Program

Yamana expects to spend approximately $125 million on exploration in 2012 continuing to build on its successful record of replacing and increasing mineral reserves and mineral resources. The exploration program will focus on increasing the Company's mineral reserves and mineral resources, accelerating the development of new discoveries such as Jordino and Maria Lazarus at Pilar, the extension of Pampa Augusta Victoria and definition of a new discovery at El Penon, the expansion of high grade mineral resources at Jacobina and the development of several greenfield projects.

Qualified Person

Other than as set forth herein, Evandro Cintra, P.Geo., Senior Vice President, Technical Services for Yamana Gold Inc. has reviewed and confirmed 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, advancement of its exploration properties and by targeting other gold consolidation opportunities with a primary focus in the Americas.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS: This news release contains "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities legislation. Except for statements of historical fact relating to the Company, information contained herein constitutes forward-looking statements, including any information as to the Company's strategy, plans or future financial or operating performance. Forward-looking statements are characterized by words such as "plan," "expect", "budget", "target", "project", "intend," "believe", "anticipate", "estimate" and other similar words, or statements that certain events or conditions "may" or "will" occur. Forward-looking statements are based on the opinions, assumptions and estimates of management considered reasonable at the date the statements are made, and are inherently subject to a variety of risks and uncertainties and other known and unknown factors that could cause actual events or results to differ materially from those projected in the forward-looking statements.

These factors include the Company's expectations in connection with the projects and exploration programs discussed herein being met, the impact of general business and economic conditions, global liquidity and credit availability on the timing of cash flows and the values of assets and liabilities based on projected future conditions, fluctuating metal prices (such as gold, copper, silver and zinc), currency exchange rates (such as the Brazilian Real, the Chilean Peso, the Argentine Peso and the Mexican Peso versus the United States Dollar), possible variations in ore grade or recovery rates, changes in the Company's hedging program, changes in accounting policies, changes in the Company's corporate mineral resources, risk related to non-core mine dispositions, changes in project parameters as plans continue to be refined, changes in project development, construction, production and commissioning time frames, risk related to joint venture operations, the possibility of project cost overruns or unanticipated costs and expenses, higher prices for fuel, steel, power, labour and other consumables contributing to higher costs and general risks of the mining industry, failure of plant, equipment or processes to operate as anticipated, unexpected changes in mine life, final pricing for concentrate sales, unanticipated results of future studies, seasonality and unanticipated weather changes, costs and timing of the development of new deposits, success of exploration activities, permitting time lines, government regulation of mining operations, environmental risks, unanticipated reclamation expenses, title disputes or claims, limitations on insurance coverage and timing and possible outcome of pending litigation and labour disputes, as well as those risk factors discussed or referred to in the Company's annual Management's Discussion and Analysis and Annual Information Form for the year ended December 31, 2010 filed with the securities regulatory authorities in all provinces of Canada and available at www.sedar.com, and the Company's Annual Report on Form 40-F filed with the United States Securities and Exchange Commission. Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be anticipated, estimated or intended.

There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. The Company undertakes no obligation to update forward-looking statements if circumstances or management's estimates, assumptions or opinions should change, except as required by applicable law. The reader is cautioned not to place undue reliance on forward-looking statements. The forward-looking information contained herein is presented for the purpose of assisting investors in understanding the Company's expected financial and operational performance and results as at and for the periods ended on the dates presented in the Company's plans and objectives and may not be appropriate for other purposes.

CAUTIONARY NOTE TO U.S. INVESTORS CONCERNING ESTIMATES OF MEASURED, INDICATED AND INFERRED MINERAL RESOURCES

This news release uses the terms "Measured", "Indicated" and "Inferred" Mineral Resources. United States investors are advised that while such terms are recognized and required by Canadian regulations, the United States Securities and Exchange Commission does not recognize them. "Inferred Mineral Resources" have a great amount of uncertainty as to their existence, and as to their economic and legal feasibility. It cannot be assumed that all or any part of an Inferred Mineral Resource will ever be upgraded to a higher category. Under Canadian rules, estimates of Inferred Mineral Resources may not form the basis of feasibility or other economic studies. United States investors are cautioned not to assume that all or any part of Measured or Indicated Mineral Resources will ever be converted into Mineral Reserves. United States investors are also cautioned not to assume that all or any part of an Inferred Mineral Resource exists, or is economically or legally mineable.


1.  Silver is reported as a gold equivalent in 2011 at a ratio of 50:1.
    Silver is reported at Mercedes as a gold equivalent at a ratio of 140:1.
2.  Silver is reported as a gold equivalent in 2010 at a ratio of 55:1.
    Silver is reported at Mercedes as a gold equivalent in 2010 at a ratio
    of 150:1. 

Yamana's Mineral Reserves and Resources Estimates as at December 31, 2011


1.  Mineral Reserves (Proven and Probable)  

Yamana's Mineral Reserves and Resources Estimates as at December 31, 2011   
                                                                            
Mineral Reserves (Proven and Probable)                                      
                                                                            
-------------------------------------------- -------------------------------
Gold                 Proven Reserves                Probable Reserves       
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
             ------------------------------- -------------------------------
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
-------------------------------------------- -------------------------------
Alumbrera                                                                   
 (12.5%)        31,000     0.37          369     1,000     0.24            8
Chapada        135,650     0.22          970   278,880     0.26        2,347
C1-Santa Luz    19,752     1.55          987    10,860     1.37          478
El Penon         1,636     7.95          418     9,719     5.71        1,783
Ernesto/Pau a                                                               
 Pique           2,279     3.86          283     5,884     2.69          508
Fazenda                                                                     
 Brasileiro      3,123     2.57          258     1,488     2.10          101
Gualcamayo      15,400     1.05          518    43,500     1.20        1,676
Jacobina         6,482     2.16          450    16,315     2.96        1,555
Jeronimo                                                                    
 (57%)           6,350     3.91          798     2,331     3.79          284
Mercedes           492     9.12          144     4,804     5.31          820
             ------------------------------- -------------------------------
 Minera                                                                     
  Florida Ore    2,998     3.50          338     2,005     4.74          306
 Minera                                                                     
  Florida                                                                   
  Tailings       5,661     1.09          198         -        -            -
Total Minera                                                                
 Florida         8,659     1.93          536     2,005     4.74          306
             ------------------------------- -------------------------------
Pilar                -        -            -    11,098     4.04        1,440
Total Gold                                                                  
 Mineral                                                                    
 Reserves      230,824     0.77        5,732   387,885     0.91       11,305
-------------------------------------------- -------------------------------
Agua Rica      384,871     0.25        3,080   524,055     0.21        3,479
-------------------------------------------- -------------------------------
                                                                            
-------------------------------------------- -------------------------------
Silver               Proven Reserves                Probable Reserves       
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
             ------------------------------- -------------------------------
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
-------------------------------------------- -------------------------------
El Penon         1,636   225.82       11,879     9,719   174.83       54,631
Mercedes           492   106.77        1,690     4,804    54.44        8,408
             ------------------------------- -------------------------------
Minera                                                                      
 Florida Ore     2,998    20.19        1,946     2,005    31.42        2,026
Minera                                                                      
 Florida                                                                    
 Tailings        5,661    12.96        2,359         -        -            -
Total Minera                                                                
 Florida         8,659    15.46        4,305     2,005    31.42        2,026
             ------------------------------- -------------------------------
Total Silver                                                                
 Mineral                                                                    
 Reserves       10,788    51.54       17,875    16,528   122.44       65,065
-------------------------------------------- -------------------------------
Agua Rica      384,871     3.73       46,176   524,055     3.33       56,070
-------------------------------------------- -------------------------------
                                                                            
-------------------------------------------- -------------------------------
Copper               Proven Reserves                Probable Reserves       
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
-------------------------------------------- -------------------------------
Alumbrera                                                                   
 (12.5%)        31,000     0.37          253     1,000     0.28            6
Chapada        135,650     0.30          891   220,010     0.29        1,419
Total Copper                                                                
 Mineral                                                                    
 Reserves      166,650     0.31        1,144   221,010     0.29        1,425
-------------------------------------------- -------------------------------
Agua Rica      384,871     0.56        4,779   524,055     0.43        5,011
-------------------------------------------- -------------------------------
                                                                            
-------------------------------------------- -------------------------------
Zinc                 Proven Reserves                Probable Reserves       
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
-------------------------------------------- -------------------------------
Minera                                                                      
 Florida         2,998     0.99           65     2,005     1.34           59
-------------------------------------------- -------------------------------
Total Zinc                                                                  
 Mineral                                                                    
 Reserves        2,998     0.99           65     2,005     1.34           59
-------------------------------------------- -------------------------------
                                                                            
-------------------------------------------- -------------------------------
Molybdenum           Proven Reserves                Probable Reserves       
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
-------------------------------------------- -------------------------------
Alumbrera                                                                   
 (12.5%)        31,000    0.013            9     1,000    0.014          0.3
Total Moly                                                                  
 Mineral                                                                    
 Reserves       31,000    0.013            9     1,000    0.014          0.3
-------------------------------------------- -------------------------------
Agua Rica      384,871    0.033          279   524,055    0.030          350
-------------------------------------------- -------------------------------
                                                                            
                                                                            
                                                                            

                                                
------------- ----------------------------------
Gold              Total - Proven and Probable   
              ----------------------------------
                 Tonnes    Grade       Contained
              ----------------------------------
                (000's)    (g/t)     oz. (000's)
------------- ----------------------------------
Alumbrera                                       
 (12.5%)         32,000     0.36             376
Chapada         414,530     0.25           3,317
C1-Santa Luz     30,612     1.49           1,465
El Penon         11,355     6.03           2,202
Ernesto/Pau a                                   
 Pique            8,163     3.01             791
Fazenda                                         
 Brasileiro       4,611     2.42             359
Gualcamayo       58,900     1.16           2,194
Jacobina         22,797     2.74           2,005
Jeronimo                                        
 (57%)            8,682     3.88           1,082
Mercedes          5,296     5.66             964
              ----------------------------------
 Minera                                         
  Florida Ore     5,004     4.00             643
 Minera                                         
  Florida                                       
  Tailings        5,661     1.09             198
Total Minera                                    
 Florida         10,665     2.45             842
              ----------------------------------
Pilar            11,098     4.04           1,440
Total Gold                                      
 Mineral                                        
 Reserves       618,709     0.86          17,038
------------- ----------------------------------
Agua Rica       908,926     0.22           6,559
------------- ----------------------------------
                                                
------------- ----------------------------------
Silver            Total - Proven and Probable   
              ----------------------------------
                 Tonnes    Grade       Contained
              ----------------------------------
                (000's)    (g/t)     oz. (000's)
------------- ----------------------------------
El Penon         11,355   182.18          66,511
Mercedes          5,296    59.31          10,099
              ----------------------------------
Minera                                          
 Florida Ore      5,004    24.69           3,972
Minera                                          
 Florida                                        
 Tailings         5,661    12.96           2,359
Total Minera                                    
 Florida         10,665    18.46           6,330
              ----------------------------------
Total Silver                                    
 Mineral                                        
 Reserves        27,316    94.44          82,940
------------- ----------------------------------
Agua Rica       908,926     3.50         102,246
------------- ----------------------------------
                                                
------------- ----------------------------------
Copper            Total - Proven and Probable   
              ----------------------------------
                 Tonnes    Grade       Contained
                (000's)      (%)        lbs (mm)
------------- ----------------------------------
Alumbrera                                       
 (12.5%)         32,000     0.37             259
Chapada         355,660     0.29           2,310
Total Copper                                    
 Mineral                                        
 Reserves       387,660     0.30           2,569
------------- ----------------------------------
Agua Rica       908,926     0.49           9,789
------------- ----------------------------------
                                                
------------- ----------------------------------
Zinc              Total - Proven and Probable   
              ----------------------------------
                 Tonnes    Grade       Contained
                (000's)      (%)        lbs (mm)
------------- ----------------------------------
Minera                                          
 Florida          5,004     1.13             125
------------- ----------------------------------
Total Zinc                                      
 Mineral                                        
 Reserves         5,004     1.13             125
------------- ----------------------------------
                                                
------------- ----------------------------------
Molybdenum        Total - Proven and Probable   
              ----------------------------------
                 Tonnes    Grade       Contained
                (000's)      (%)        lbs (mm)
------------- ----------------------------------
Alumbrera                                       
 (12.5%)         32,000    0.013               9
Total Moly                                      
 Mineral                                        
 Reserves        32,000    0.013               9
------------- ----------------------------------
Agua Rica       908,926    0.031             629
------------- ----------------------------------
                                                
                                                

Mineral Resources (Measured, Indicated and Inferred)


------------ ------------------------------- -------------------------------
Gold                Measured Resources             Indicated Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
------------ ------------------------------- -------------------------------
Amancaya             -        -            -         -        -            -
             ------------------------------- -------------------------------
 C1 Santa                                                                   
  Luz                                                                       
  Shallow        3,243     1.00          104     5,792     1.07          199
 C1 Downdip                                                                 
  Extension          -        -            -     3,046     2.85          279
Total C1                                                                    
 Santa Luz       3,243     1.00          104     8,837     1.68          478
             ------------------------------- -------------------------------
Chapada         40,760     0.16          212   258,681     0.24        1,978
El Penon           604    10.17          198     1,306     5.93          249
Ernesto/Pau                                                                 
 a Pique           204     6.28           41     2,083     1.50          100
Fazenda                                                                     
 Brasileiro        127     1.82            7     2,361     1.92          146
Gualcamayo       7,244     1.20          279    26,325     0.99          840
Jacobina        12,259     2.22          876    15,303     3.08        1,515
Jeronimo                                                                    
 (57%)             772     3.77           94       385     3.69           46
La Pepa         15,750     0.61          308   133,682     0.57        2,452
             ---------------------------------------------------------------
 Mercedes           57     7.50           14     1,809     3.00          174
 Rey del Oro         -        -            -         -        -            -
Total                                                                       
 Merceds            57     7.50           14     1,809     3.00          174
             ------------------------------- -------------------------------
Minera                                                                      
 Florida         1,321     6.21          264     1,471     5.60          265
             ------------------------------- -------------------------------
 Pilar               -        -            -     1,094     4.51          159
 Pilar -                                                                    
  Caiamar            -        -            -       703     4.76          108
Total Pilar          -        -            -     1,797     4.62          267
             ------------------------------- -------------------------------
Suyai                -        -            -     4,700    15.00        2,286
Total Gold                                                                  
 Mineral                                                                    
 Resources      82,347     0.91        2,397   458,743     0.73       10,796
------------ ------------------------------- -------------------------------
Agua Rica       27,081     0.14          120   173,917     0.14          776
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Silver              Measured Resources             Indicated Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
------------ ------------------------------- -------------------------------
Amancaya             -        -            -         -        -            -
Chapada              -        -            -    82,161     1.43        3,775
El Penon           604   231.90        4,505     1,306   163.87        6,879
             ---------------------------------------------------------------
  Mercedes          57    34.51           63     1,809    32.25        1,876
  Rey del                                                                   
   Oro               -        -            -        --        -            -
Total                                                                       
 Mercedes           57    34.51           63     1,809    32.25        1,876
             ---------------------------------------------------------------
Minera                                                                      
 Florida         1,321    32.00        1,354     1,471    30.00        1,409
Suyai                -        -            -     4,700    23.00        3,523
Total Silver                                                                
 Mineral                                                                    
 Resources       1,982    92.92        5,922    91,447     5.94       17,462
------------ ------------------------------- -------------------------------
Agua Rica       27,081     2.35        2,042   173,917     2.89       16,158
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Copper              Measured Resources             Indicated Resources      
                                                                            
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Chapada         40,760     0.19          167   176,520     0.21          818
Total Copper                                                                
 Mineral                                                                    
 Resources      40,760     0.19          167   176,520     0.21          818
------------ ------------------------------- -------------------------------
Agua Rica       27,081     0.45          266   173,917     0.38        1,447
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Zinc                Measured Resources             Indicated Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Minera                                                                      
 Florida         1,321     1.75           51     1,471     1.70           55
Total Zinc                                                                  
 Mineral                                                                    
 Resources        1321     1.75           51      1471     1.70           55
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Molybdenum          Measured Resources             Indicated Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Agua Rica       27,081    0.049           29   173,917    0.037          142
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
                                                                            
                                                                            

------------ ------------------------------- -------------------------------
Gold          Total - Measured and Indicated        Inferred Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
------------ ------------------------------- -------------------------------
Amancaya             -        -            -     1,390     7.90          351
             ------------------------------- -------------------------------
 C1 Santa                                                                   
  Luz                                                                       
  Shallow        9,035     1.04          303     2,638     1.19          101
 C1 Downdip                                                                 
  Extension      3,046     2.85          279     3,217     3.63          376
Total C1                                                                    
 Santa Luz      12,081     1.50          582     5,855     2.53          476
             ------------------------------- -------------------------------
Chapada        299,441     0.23        2,190   358,960     0.10        1,182
El Penon         1,910     7.28          447     5,257     6.55        1,107
Ernesto/Pau                                                                 
 a Pique         2,287     1.92          141     4,868     1.87          293
Fazenda                                                                     
 Brasileiro      2,488     1.91          153     4,728     3.45          525
Gualcamayo      33,569     1.04        1,119    10,259     1.90          626
Jacobina        27,562     2.70        2,391    15,814     2.68        1,362
Jeronimo                                                                    
 (57%)           1,157     3.74          139     1,118     4.49          161
La Pepa        149,432     0.57        2,760    37,900     0.50          620
            ----------------------------------------------------------------
 Mercedes        1,866     3.13          188     3,293     3.98          421
 Rey del Oro         -        -            -     4,020     0.68           88
Total                                                                       
 Merceds         1,866     3.13          188     7,313     2.16          509
             ------------------------------- -------------------------------
Minera                                                                      
 Florida         2,792     5.89          529     3,457     5.32          591
             ------------------------------- -------------------------------
 Pilar           1,094     4.51          159     6,785     4.19          915
 Pilar -                                                                    
  Caiamar          703     4.76          108     1,380     3.30          150
Total Pilar      1,797     4.62          267     8,165     4.06        1,065
             ------------------------------- -------------------------------
Suyai            4,700    15.00        2,286       900     9.90          274
Total Gold                                                                  
 Mineral                                                                    
 Resources     541,090     0.76       13,192   465,991     0.61        9,142
------------ ------------------------------- -------------------------------
Agua Rica      200,998     0.14          896   642,110     0.12        2,444
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Silver        Total - Measured and Indicated        Inferred Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)    (g/t)  oz. (000's)   (000's)    (g/t)  oz. (000's)
------------ ------------------------------- -------------------------------
Amancaya             -        -            -     1,390    73.00        3,270
Chapada         82,161     1.43        3,775    27,553     1.11          982
El Penon         1,910   185.40       11,384     5,257   274.89       46,458
            ----------------------------------------------------------------
  Mercedes       1,866    32.32        1,939     3,293    41.97        4,443
  Rey del                                                                   
   Oro               -        -            -     4,020    21.77        2,814
Total                                                                       
 Mercedes        1,866    32.32        1,939     7,313    30.87        7,257
            ----------------------------------------------------------------
Minera                                                                      
 Florida         2,792    30.78        2,763     3,457    44.00        4,884
Suyai            4,700    23.00        3,523       900    21.00          575
Total Silver                                                                
 Mineral                                                                    
 Resources      93,429     7.78       23,384    45,870    43.01       63,426
------------ ------------------------------- -------------------------------
Agua Rica      200,998     2.82       18,200   642,110     2.33       48,124
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Copper        Total - Measured and Indicated        Inferred Resources      
            --------------------------------                                
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Chapada        217,280     0.21          986   331,407     0.17        1,218
Total Copper                                                                
 Mineral                                                                    
 Resources     217,280     0.21          986   331,407     0.17         1218
------------ ------------------------------- -------------------------------
Agua Rica      200,998     0.39        1,714   642,110     0.34        4,853
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Zinc          Total - Measured and Indicated        Inferred Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Minera                                                                      
 Florida         2,792     1.72          106     3,457     1.43          109
Total Zinc                                                                  
 Mineral                                                                    
 Resources        2792     1.72          106      3457     1.43          109
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
Molybdenum    Total - Measured and Indicated        Inferred Resources      
             ------------------------------- -------------------------------
                Tonnes    Grade    Contained    Tonnes    Grade    Contained
               (000's)      (%)     lbs (mm)   (000's)      (%)     lbs (mm)
------------ ------------------------------- -------------------------------
Agua Rica      200,998    0.039          172   642,110    0.034          480
------------ ------------------------------- -------------------------------
                                                                            
------------ ------------------------------- -------------------------------
                                                                            

NOTE: Mineral Resources are exclusive of Mineral Reserves


                                               
Yamana Gold Inc. Mineral Reserves and Mineral Resource Reporting Notes:     
                                                                            
1. Metal Price, Cut-off Grade                                               
Mine          Mineral Reserves                Mineral Resources             
                                                                            
                                                                            
Alumbrera     $1,400 Au, $3.20 Cu, $17.00 Mo                                
 (12.5%)      and 0.22% CuEq                  N/A                           
                                                                            
                                              1.0 g/t Aueq Open pit, 3.4 g/t
Amancaya      N/A                             Aueq Underground              
                                                                            
Caiamar       N/A                             1.5 g/t Au cut-off            
                                                                            
              $950 Au, $2.50 Cu, $4.40 NSR    $3.53 NSR cut-off out of pit  
Chapada       cut-off for Chapada Mine        for Chapada Mine              
                                                                            
              $900 Au; 0.2 g/t Au cut-off     0.2 g/t Au cut-off for oxides 
              for oxides and 0.3 g/t Au cut-  and 0.3 g/t Au cut-off for    
              off for sulphides in Suruca     sulphides in Suruca Gold      
              Gold Project                    Project                       
                                                                            
                                              0.5 g/t Au cut-off for C1     
              $950 Au for C1, Antas 2, Antas  Santa Luz Shallow and 1.5 g/t 
              3 and $750 Au Mansinha and      Au cut-off for C1 Downdip     
C1-Santa Luz  Mari, 0.50 g/t Au cut-off       Extension                     
                                                                            
              $950 Au, $20.00 Ag, Variable                                  
              cut-off for Underground and                                   
              1.2 g/t Aueq cut-off for Open                                 
El Penon      pit                             3.9 g/t Aueq cut-off          
                                                                            
              $825 Au, 1.0 g/t Underground,                                 
              0.3 g/t Au Open pit cut-off                                   
              for Ernesto and PP and $950     0.3 g/t Open pit 1.0 g/t      
Ernesto/Pau a Au, 0.7 g/t Au cut-off for      Underground for Ernesto/PP and
 Pique        Lavrinha                        0.3 g/t for Lavrinha          
                                                                            
              $950 Au, 1.00 g/t Au            0.5 g/t cut-off Underground   
Fazenda       Underground and 0.80g/t Au      and 0.25g/t Au Open pit cut-  
 Brasileiro   Open pit cut-off                off                           
                                                                            
              $950 Au, 1.00 g/t Au                                          
              Underground and 0.15 g/t Au     1.00 g/t Au Underground and   
Gualcamayo    Open pit cut-off                0.15 g/t Au Open pit cut-off  
                                                                            
                                              0.5 g/t Au cut-off for        
                                              Jacobina Mines and 1.5 g/t Au 
Jacobina      $950 Au; 1.17 g/t Au cut-off    cut-off for Pindobacu Project 
                                                                            
Jeronimo      $900 Au, 2.0 g/t Au cut-off     2.0 g/t Au cut-off            
                                                                            
La Pepa       N/A                             $780 Au, 0.30 g/tAu cut-off   
                                                                            
              $950 Au, $20.00 Ag, 3.0 g/t                                   
Mercedes      Aueq                            2.0 g/t Aueq cut-off          
                                                                            
              $950 Au, $20.00 Ag, $1 lb Zn,                                 
              2.51 g/t Aueq cut-off and                                     
Minera FloridaFlorida tailings cut-off N/A    2.5 g/t Aueq cut-off          
                                                                            
Pilar         $900 Au; 2.0 g/t Au cut-off     2.0 g/t Au cut-off            
                                                                            
Suyai         N/A                             5.0 g/t Au cut-off            
                                                                            
              $1,000 g/t Au, $2.25 lb Cu,                                   
Agua Rica     $17.00 g/t Ag, $12.00 lb Mo     0.2% Cu cut-off               

2. All mineral reserves and mineral resources have been calculated in accordance with the standards of the Canadian Institute of Mining, Metallurgy and Petroleum and NI 43-101, other than the estimates for the Alumbrera mine which have been calculated in accordance with the JORC Code which is accepted under NI 43-101.

3. All mineral resources are reported exclusive of mineral reserves.

4. Mineral resources which are not mineral reserves do not have demonstrated economic viability.

5. Mineral reserves and mineral resources are reported as of December 31, 2011.

6. For the qualified persons responsible for the mineral reserve and mineral resource estimates, see the qualified persons chart in "Item 15 Interests of Experts" in the Company's Annual Information Form on its website at www.yamana.com.

The following are qualified persons responsible for mineral reserve and mineral resource estimates as at December 31, 2011.


---------------                              -------------------------------
Property       Qualified Persons for Mineral  Qualified Persons for Mineral 
               Reserves                       Resources                     
----------------------------------------------------------------------------
Alumbrera      Julio Bruna Novillo, AusIMM,   Julio Bruna Novillo, AusIMM,  
               Member of CIM, Xstrata Plc     Member of CIM, Xstrata Plc    
----------------------------------------------------------------------------
Amancaya       Not applicable                 Chester M. Moore, P.Eng.,     
                                              Roscoe Postle Associates Inc. 
----------------------------------------------------------------------------
Chapada        Porfirio Cabaleiro Rodriguez,  Porfirio Cabaleiro Rodriguez, 
               BSc Mine Eng, MAIG, Coffey     BSc Mine Eng, MAIG, Coffey    
               Mining Pty Ltd (for all of     Mining Pty Ltd (for all of    
               Chapada, excluding Suruca) and Chapada, excluding Suruca) and
               Raul Contreras, MAusIMM,       Raul Contreras, MAusIMM,      
               Registered Member of Chilean   Registered Member of Chilean  
               Mining Commission, Senior      Mining Commission, Senior     
               Consultant, Resource           Consultant, Resource          
               Estimation, Metalica           Estimation, Metalica          
               Consultores S.A. (for Suruca)  Consultores S.A. (for Suruca) 
----------------------------------------------------------------------------
C-1 Santa Luz  Emerson Ricardo Re, MSc,       Marco Antonio Alfaro          
               MAusIMM, Registered Member of  Sironvalle, P.Eng., Ph.D.     
               Chilean Mining Commission,     Eng., MAusIMM, Registered     
               Corporate  Manager R&R, Yamana Member of Chilean Mining      
               Gold Inc.                      Commission, Corporate Manager,
                                              Reserves, Yamana Gold Inc.    
                                              (for all of C1 Santa Luz      
                                              excluding C1 extension) and   
                                              Sergio Brandao Silva, P. Geo, 
                                              Exploration Director, Brazil, 
                                              Yamana Gold Inc. (for C1      
                                              extension)                    
----------------------------------------------------------------------------
El Penon       Marco Antonio Alfaro           Marcos Valencia A. P.Geo.,    
               Sironvalle, P.Eng., Ph.D.      Regional Resource Estimation  
               Eng., MAusIMM, Registered      Manager, Andes Exploration,   
               Member of Chilean Mining       Yamana Gold Inc.              
               Commission, Corporate Manager,                               
               Reserves, Yamana Gold Inc.                                   
----------------------------------------------------------------------------
Ernesto/ Pau-a Emerson Ricardo Re, MSc,       Sergio Brandao Silva, P. Geo, 
-Pique         MAusIMM, Registered Member of  Exploration Director, Brazil, 
               Chilean Mining Commission,     Yamana Gold Inc.              
               Corporate Manager R&R, Yamana                                
               Gold Inc.                                                    
----------------------------------------------------------------------------
Fazenda        Emerson Ricardo Re, MSc,       Sergio Brandao Silva, P. Geo, 
Brasileiro     MAusIMM, Registered Member of  Exploration Director, Brazil, 
               Chilean Mining Commission,     Yamana Gold Inc.              
               Corporate  Manager R&R, Yamana                               
               Gold Inc.                                                    
----------------------------------------------------------------------------
Gualcamayo     Emerson Ricardo Re, MSc,       Marcos Valencia A. P.Geo.,    
               MAusIMM, Registered Member of  Regional Resource Estimation  
               Chilean Mining Commission,     Manager, Andes Exploration,   
               Corporate Manager R&R, Yamana  Yamana Gold Inc.              
               Gold Inc. (for Gualcamayo,                                   
               excluding QDD Lower) and                                     
               Guillermo Bagioli, MAusIMM,                                  
               Registered Member of Chilean                                 
               Mining Commission, Metalica                                  
               Consultores S.A. (for QDD                                    
               Lower)                                                       
----------------------------------------------------------------------------
Jacobina       Emerson Ricardo Re, MSc,       Sergio Brandao Silva, P. Geo, 
               MAusIMM, Registered Member of  Exploration Director, Brazil, 
               Chilean Mining Commission,     Yamana Gold Inc.              
               Corporate  Manager R&R, Yamana                               
               Gold Inc.                                                    
----------------------------------------------------------------------------
Jeronimo       Guillermo Bagioli Arce,        Dominique Francois-Bongarcon, 
               MAusIMM, Registered Member of  Ph.D, P.Eng., Agoratek        
               Chilean Mining Commission,     International                 
               Metalica Consultores S.A.                                    
----------------------------------------------------------------------------
La Pepa        Not applicable                 Chester M. Moore, P.Eng.,     
                                              Roscoe Postle Associates Inc. 
----------------------------------------------------------------------------
Mercedes       Marco Antonio Alfaro           Greg Walker, P.Geo., Senior   
               Sironvalle, P.Eng., Ph.D.      Manager, Resources Estimation,
               Eng., MAusIMM, Registered      Yamana Gold Inc.              
               Member of Chilean Mining                                     
               Commission, Corporate Manager,                               
               Reserves, Yamana Gold Inc.                                   
----------------------------------------------------------------------------
Minera Florida Marco Antonio Alfaro           Marcos Valencia A. P.Geo.,    
               Sironvalle, P.Eng., Ph.D.      Regional Resource Estimation  
               Eng., MAusIMM, Registered      Manager, Andes Exploration,   
               Member of Chilean Mining       Yamana Gold Inc.              
               Commission, Corporate Manager,                               
               Reserves, Yamana Gold Inc.                                   
----------------------------------------------------------------------------
Pilar          Guillermo Bagioli, MAusIMM,    Marco Antonio Alfaro          
               Registered Member of Chilean   Sironvalle, P.Eng., Ph.D.     
               Mining Commission, Metalica    Eng., MAusIMM, Registered     
               Consultores S.A. (for Jordino) Member of Chilean Mining      
               and Emerson Ricardo Re, MSc,   Commission, Corporate Manager,
               MAusIMM, Registered Member of  Reserves, Yamana Gold Inc.    
               Chilean Mining Commission,     (for Jordino) and Sergio      
               Corporate Manager R&R, Yamana  Brandao Silva, P. Geo,        
               Gold Inc. (for Jordino         Exploration Director, Brazil, 
               Extension)                     Yamana Gold Inc. (for Jordino 
                                              Down Dip, Tres Buracos, HG and
                                              Ogo Extension)                
----------------------------------------------------------------------------
Suyai          Not applicable                 Robin J. Young, P. Geo.,      
                                              Western Services Engineering, 
                                              Inc.                          
----------------------------------------------------------------------------
Agua Rica      Enrique Munoz Gonzalez,        Evandro Cintra, Ph.D., P.     
               MAusIMM, Registered Member of  Geo., Senior Vice President,  
               Chilean Mining Commission      Technical Services, Yamana    
                                              Gold Inc.                     
----------------------------------------------------------------------------

Contacts:
Yamana Gold Inc.
Lisa Doddridge, Vice President
Corporate Communications and Investor Relations
416-945-7362 or 1-888-809-0925
lisa.doddridge@yamana.com