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Yamana Announces Another Year of Mineral Reserve and Mineral Resource Increases
--6TH CONSECUTIVE YEAR OF MINERAL RESERVE INCREASES; MINERAL RESOURCE INCREASES 15%--

TORONTO, ONTARIO -- (Marketwire) -- 02/20/13 -- YAMANA GOLD INC. (TSX:YRI)(NYSE:AUY)(LSE:YAU) ("Yamana" or "the Company") today announced its mineral reserves and mineral resources for the year ended December 31, 2012.

HIGHLIGHTS:


--  Total gold equivalent(1) mineral reserves increased to 19.3 million
    ounces, a 4% increase from 2011, with a 3% increase in grade 

--  Gold equivalent mineral reserves at existing operations increased to
    14.2 million ounces, a 6% increase from 2011 

--  Gold equivalent mineral reserves at existing operations and projects in
    development increased to 17.9 million ounces, a 5% increase from 2011 

--  Total measured and indicated gold equivalent mineral resources of 15.6
    million ounces, an increase of 15%, with a 14% increase in grade 

--  Total inferred gold equivalent mineral resources increased to 11.4
    million ounces, a 10% increase, with a 119% increase in grade 

(All amounts are expressed in United States dollars unless otherwise        
indicated.)                                                                 
1. Silver is treated as a gold equivalent at a ratio of 50:1 except at      
Mercedes where silver is treated as a gold equivalent at a ratio of 140:1   

On a gold equivalent basis, mineral reserves are 19.3 million ounces for the year ending December 31, 2012, an increase of over 4% from 2011. This is comprised of 17.7 million ounces of gold mineral reserves and 89.2 million ounces of silver mineral reserves. On a gold equivalent basis the average grade of mineral reserves increased 3% to 0.96 grams per tonne (g/t).

A priority in 2012 was to increase mineral reserves at existing operations. At the Company's existing operations mineral reserves increased 6% to 14.2 million gold equivalent ounces (GEO) with an average gold equivalent grade of 0.82g/t.

Copper mineral reserves were 2.7 billion pounds of copper at an average grade of 0.31% copper including Alumbrera. Copper mineral reserves at Chapada increased by 7%.

For 2012, measured and indicated mineral resources increased 15% to 15.6 million GEO with an average gold equivalent grade of 0.89 g/t, which is a 14% increase from 2011. This is comprised of 14.1 million ounces of gold mineral resources, an increase of 7%, and 78.8 million ounces of silver, an increase of 237%.

Total inferred mineral resources increased 10% to 11.4 million GEO while the grade increased significantly to 1.51 g/t, a 119% increase from 2011. This is comprised of 10.1 million ounces of gold mineral resources, an increase of 10%, and 67.7 million ounces of silver, an increase of 7%.

Assumption of metal prices used in the estimate of mineral reserves and mineral resources remained unchanged from 2011: gold price of $950 per ounce, silver price of $20 per ounce and copper price of $2.50 per pound (except where noted).

The increases are net of 2012 depletion due to production.


CONSOLIDATED MINERAL RESERVES AND MINERAL RESOURCES                         
AS AT DECEMBER 31, 2012                                                     
                                                                            
----------------------------------------------------------------------------
                                       Contained     Contained     Contained
                                            Gold        Silver        Copper
                                          (000's        (000's     (Millions
                                         ounces)       ounces)       of lbs)
----------------------------------------------------------------------------
Total Proven and Probable Mineral                                           
 Reserves                                 17,676        89,191         2,687
----------------------------------------------------------------------------
Total Measured and Indicated                                                
 Mineral Resources                        14,095        78,846         1,097
----------------------------------------------------------------------------
Total Inferred Mineral Resources          10,068        67,703           565
----------------------------------------------------------------------------

Detailed mineral reserve and mineral resource tables follow at the end of this press release and are available online at www.yamana.com/operations/reservesandresources.

The most notable changes are detailed below:

El Penon, Chile


--  Gold equivalent mineral reserves of 13.0 million tonnes at 8.97 g/t
    containing 3.7 million gold equivalent ounces 
--  Gold equivalent mineral resources of 2.0 million tonnes at 10.45 g/t
    containing 673,000 gold equivalent ounces 
--  Inferred gold equivalent mineral resources of 5.1 million tonnes at
    10.79 g/t containing 1.8 million gold equivalent ounces 

The Company has increased gold equivalent mineral reserves for three consecutive years at El Penon, building on a long track record of replacing and increasing mineral reserves at the operation. In 2012, the focus was on converting, upgrading and increasing mineral resources. The increase in gold equivalent mineral reserves replaced reserves depleted from production and increased by an additional 6% over 2011 levels. Mineral reserve tonnage increased by 14%, which now includes a portion of the Pampa Augusta Victoria ("PAV") vein system which is 'open pittable' as it is near surface and is easily accessible. The decrease in mineral reserve grade is due to the inclusion of lower grade materials from Dorada Sur, Providncia and other zones that are lower grade. These results continue to indicate the potential of an increased mine life and a higher sustainable production level of approximately 440,000 GEO per year.

The 2013 exploration program at El Penon will focus on the extension of PAV and areas within the North Block as well as new discoveries; Dorada Sur and Dorada Oeste, Fortuna Este, and Bonanza West. This effort is expected to result in continued increases in mineral resources in 2013 and a target to develop the new discoveries into minable mineral reserves in the near term.

Chapada, Brazil


--  Gold equivalent mineral reserves of 431.2 million tonnes at 0.27 g/t
    containing 3.7 million gold equivalent ounces 
--  Gold equivalent mineral resources of 300.6 million tonnes at 0.25 g/t
    containing 2.4 million gold equivalent ounces 
--  Inferred gold equivalent mineral resources of 118.6 million tonnes at
    0.23 g/t containing 859,000 gold equivalent ounces 

Total gold mineral reserves increased by 11% with an increase of 7% in grade from 2011 levels. These increases are in addition to the replaced reserves depleted by production and are largely attributed to the inclusion of portions of the Corpo Sul mineral resources upgrading to mineral reserves. Gold mineral reserves have increased cumulatively by 70% since 2009. Total copper mineral reserves increased by 7% with a 2% increase in grade over 2011 in addition to replacing those copper reserves depleted by production. Increases in measured and indicated gold mineral resources replaced what was upgraded to mineral reserves and increased marginally from 2011 levels. This was expected given the exploration focus in 2012 was to upgrade mineral resources to mineral reserves and further exploration of Corpo Sul. Also expected was the decline in inferred gold mineral resources given that the emphasis at Chapada has been on improving the quality of the entire mineral resource base. With discovery of a new area of mineralization that is predominantly copper the focus in 2013 will be to increase copper mineral resources to supplement new gold discoveries.

A pre-feasibility study was completed for Corpo Sul in late 2012 based on mineral reserves of 573,000 ounces of gold and 401 million pounds of copper in 55 million tonnes of ore. This represents an increase of 182% from 2011 in gold mineral reserves. Additional work further increased the mineral reserves at Corpo Sul, which have been included in Chapada's mineral reserves estimate. The feasibility study will include these additional ounces. It is expected that further work at Corpo Sul will significantly contribute to 2013 growth of mineral reserves.

Jacobina, Brazil


--  Gold mineral reserves of 25.0 million tonnes at 3.02 g/t containing 2.4
    million gold ounces 
--  Gold mineral resources of 25.0 million tonnes at 2.59 g/t containing 2.1
    million gold ounces 
--  Inferred gold mineral resources of 12.6 million tonnes at 3.01 g/t
    containing 1.2 million gold ounces 

Gold mineral reserves increased by 21% over 2011, in addition to replacing reserves depleted by production during the year. Since the acquisition of the mine, the Company has increased gold mineral reserves cumulatively more than 98% representing the sixth consecutive increase. Mineral reserve grade increased by 10%, a significant increase which is attributed to the higher grade Canavieiras and Morro do Vento mineral resources being upgraded to mineral reserves. The mineral reserve grade at Canavieras is 16% higher than existing reserve grade; the Company is looking at accelerating development into the high grade areas. Since 2009, mineral reserve grade has increased by 41% from 2.14 g/t to 3.02 g/t. The focus in 2012 was on quality and grade, specifically of the mineral reserves, as a result, measured and indicated mineral resources declined. This was more than offset by the significant improvements to the number of mineral reserve ounces and grade. These results warrant the Company's continuing evaluation of higher production levels at Jacobina related to the higher grade mineral reserves.

Gualcamayo, Argentina


--  Gold mineral reserves of 49.6 million tonnes at 1.29 g/t containing 2.1
    million gold ounces 
--  Gold mineral resources of 33.2 million tonnes at 1.10 g/t containing 1.2
    million gold ounces 
--  Inferred gold mineral resources of 10.4 million tonnes at 1.66 g/t
    containing 552,000 gold ounces 

The focus in 2012 at Gualcamayo was on the definition and expansion of the Rodado breccia, a new zone discovered in 2011 southwest of QDD Lower West (QDDLW). As a result, measured and indicated mineral resources increased by 5% with a 6% increase in grade and the Rodado breccia mineralization was extended by 500 metres along strike. A significant amount of mineral resources at Gualcamayo are within the Rodado breccia and QDDLW, and given the current size of the sulphide portion of the mineral resources in these zones and the expectation of further mineral resource increases in these areas, the Company has initiated an evaluation of milling options which is expected to be competed in first half of 2013. There is approximately 1.6 million ounces cumulatively from all zones and all resource categories, some of which is also heap leachable, that will be considered in the evaluation of the milling option. Mineral reserves declined which can be attributed to depletion from production of the current ore bodies.

Exploration in 2013 will continue to focus on the south west of the QDDLW deposit where sulfide bearing carbonate breccias have been outlined. These breccias are an extension of QDDLW mineralization and occur as sub-parallel bodies or feeders to QDDLW. This mineralization remains open to the south west and down dip.

Minera Florida, Chile


--  Gold equivalent mineral reserves of 10.8 million tonnes at 2.82 g/t
    containing 974,000 gold equivalent ounces 
--  Gold equivalent mineral resources of 2.7 million tonnes at 6.64 g/t
    containing 570,000 gold equivalent ounces 
--  Inferred gold equivalent mineral resources of 3.7 million tonnes at 6.31
    g/t containing 758,000 gold equivalent ounces 

Gold equivalent mineral reserves, and measured and indicated mineral resources remained essentially the same as 2011. Mineral reserves depleted through production were replaced, which was one of the goals of the 2012 program. After significant increases in 2011, in part attributed to the upgrade from mineral resources to reserves of the historic tailings, the processing of which started in the third quarter of 2012, the focus of last year was on replacing reserves depleted and identifying new resources. The program was successful and resulted in the discovery of Aguas Frias East and a 10% increase in inferred mineral resources. In 2013, further drilling at Aguas Frias East is expected to further delineate and expand this new zone.

Mercedes, Mexico


--  Gold equivalent mineral reserves of 6.6 million tonnes at 4.83 g/t
    containing 1.0 million gold equivalent ounces 
--  Gold equivalent mineral resources of 2.7 million tonnes at 3.62 g/t
    containing 309,000 gold equivalent ounces 
--  Inferred gold equivalent mineral resources of 3.4 million tonnes at 3.65
    g/t containing 403,000 gold equivalent ounces

In 2012, the exploration focus was on the replacement of mineral reserves and increasing mineral resources through further delineation of Diluvio, Lupita, Marianas (Barrancas Norte) and Rey de Oro. While grades in some of these zones are below historic ore grades the ore bodies are considerably wider. Gold equivalent mineral reserves remained essentially the same as in 2011. The replacement of mineral reserves depleted through production was mainly attributable to additions from the Lupita and Marianas zones. This resulted in a 25% increase in tonnage and a 21% decline in grade, the majority of these lower grade ounces came from Lupita. Measured and indicated mineral resources increased significantly, by 53% with a 8% increase in grade, through contributions from Rey de Oro and Diluvio. Inferred mineral resources decreased by 28% as most of the inferred resources at Lupita, Marianas and part of Diluvio were converted into indicated mineral resources. In the fourth quarter, high grade mineralization was intersected at depth in Rey de Oro. This mineralization is on strike with and may zone the Klondike deposit located one kilometre to the north-northwest. The 2013 program will focus on the expansion of this zone to determine continuity between the zones in addition to replacing and increasing mineral reserves and mineral resources.

Fazenda Brasileiro, Brazil


--  Gold mineral reserves of 4.1 million tonnes at 2.30 g/t containing
    306,000 gold ounces 
--  Gold mineral resources of 2.6 million tonnes at 2.00 g/t containing
    165,000 gold ounces 
--  Inferred gold mineral resources of 6.1 million tonnes at 3.10 g/t
    containing 611,000 gold ounces 

Measured and indicated resources at Fazenda Brasiliero increased by 8% and inferred mineral resources increased by 16%. Mineral reserves declined by 15%. These changes in the mineral resource base can partly be attributed to depletion and have also resulted from an economic evaluation which determined a portion of mineral reserves were more appropriately classified within the measured and indicated category pending a definitive mine plan on how these ounces will be mined in later years. The Company acquired the mine in 2003 with a 2.5 year mine life remaining based on known mineral reserves; based on current mineral reserves mine life is slightly less than four years after having been mined by the Company for nine years.

C1 Santa Luz, Brazil


--  Gold mineral reserves of 30.1 million tonnes at 1.51 g/t containing 1.5
    million gold ounces 
--  Gold mineral resources of 13.6 million tonnes at 1.55 g/t containing
    678,000 gold ounces 
--  Inferred gold mineral resources of 6.0 million tonnes at 2.54 g/t
    containing 490,000 gold ounces 

Mineral reserves remained essentially the same as in 2011. Measured and indicated mineral resources increased by 17% due to the addition of new ounces at near surface satellite deposits which also contributed to the 3% increase in inferred mineral resources. In 2013, the focus will be on expanding the highly prospective underground mineralization identified in 2012.

Pilar, Brazil


--  Gold mineral reserves of 11.1 million tonnes at 4.04 g/t containing 1.4
    million gold ounces 
--  Gold mineral resources of 1.8 million tonnes at 4.62 g/t containing
    267,000 gold ounces 
--  Inferred gold mineral resources of 11.2 million tonnes at 3.83 g/t
    containing 1.4 million gold ounces 

Mineral reserves, and measured and indicated mineral resources were unchanged from 2011, as the Company focused exploration on a new area known as Maria Lazarus. This resulted in a 29% increase in inferred mineral resources. These mineral resources are expected to be upgraded during 2013. The company continues to focus on developing Pilar for production with planned start-up expected mid-2013.

Cerro Moro, Argentina


--  Gold equivalent mineral resources of 4.2 million tonnes at 14.62 g/t
    containing 1.95 million gold equivalent ounces 
--  Inferred gold equivalent mineral resources of 3.6 million tonnes at 4.24
    g/t containing 490,000 gold equivalent ounces 

In 2012, the Company spent $5 million to drill over 100 holes with the goal of upgrading the inferred mineral resources and grow the resource base. These results have been incorporated in the Company's mineral resource update for Cerro Moro.

The 2013 exploration program at Cerro Moro will focus on drill testing eight priority target areas located on the northern La Negrita block, an entirely new zone, and drill testing existing geologic targets, geochemical anomalies and vein extensions within nine priority target areas in the southern Escondida block, which contains the majority of current known mineral resources.

Other Properties

Arco Sul, Brazil


--  Inferred gold mineral resources of 3.5 million tonnes at 4.64 g/t
    containing 522,000 gold ounces 

Arco Sul is a new discovery made in late 2010 and is 100% owned by Yamana. It is located in western Goias State, 200 kilometers from Goiania, 370 kilometers from Brasilia and 295 kilometers from the Company's Pilar mine. Gold mineralization is hosted in a stock work system in a contact zone of subvolcanic intrusives and the Neoproterozoic volcano-sedimentary basement. Yamana's closed and reclaimed mine, Fazenda Nova, represents the small, near surface part of the Arco Sul mineralized system. Diamond drilling started in late September 2010 and to date 72 diamond drill holes totaling 29,979 meters have been completed. Mineralization remains open in all directions.

Lahvra Velha, Brazil


--  Inferred gold mineral resources of 3.9 million tonnes at 4.29 g/t
    containing 543,000 gold ounces 

Lavra Velha is an early stage exploration target, discovered in 2010, located in Central Bahia State, 550 kilometers from Salvador, 350 kilometers from Jacobina and 480 kilometers from Fazenda Brasileiro Mine.

The project lies within a 400 kilometre northwestern trending sequence of Paleoproterozoic acid volcanics which overlie the Archean Sao Francisco Craton consisting of granitic and mafic intrusions. Four sub-horizontal mineralized levels have been defined at Lavra Velha to date, covering an area of approximately 900 metres by 350 metres. The mineralization is characterized by Iron Oxide / Sulfide rich breccias and remains open in all directions. Drilling started in 2010 and to date, 70 diamond drill holes totaling 18,231 meters have been completed.

2013 Exploration Program

The Company expects to spend approximately $110 - $115 million on exploration in continuation of the successful 2012 program. The 2013 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 identified greenfield targets and generate new targets.

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 expected production and exploration, development and expansion plans at the Company's projects discussed herein being met, the impact of proposed optimizations at the Company's projects, the impact of the proposed new mining law in Brazil and 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 mineral resources and mineral reserves, risk related to non-core mine dispositions, risks related to acquisitions, 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 and the risk of government expropriation or nationalization 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 current annual Management's Discussion and Analysis and Annual Information Form 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 exploration and development plans and objectives and may not be appropriate for other purposes.

CAUTIONARY NOTE TO UNITED STATES INVESTORS CONCERNING ESTIMATES OF MEASURED, INDICATED AND INFERRED MINERAL RESOURCES

This news release uses the terms "mineral resource", "measured mineral resource", "indicated mineral resource" and "inferred mineral resource" are defined in and required to be disclosed by NI 43-101. However, these terms are not defined terms under Industry Guide 7 and are not permitted to be used in reports and registration statements of United States companies filed with the Commission. Investors are cautioned not to assume that any part or all of the mineral deposits in these categories will ever be converted into mineral reserves. "Inferred mineral resources" have a great amount of uncertainty as to their existence, and great uncertainty 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 pre-feasibility studies, except in rare cases. Investors are cautioned not to assume that all or any part of an inferred mineral resource exists or is economically or legally mineable. Disclosure of "contained ounces" in a mineral resource is permitted disclosure under Canadian regulations. In contrast, the Commission only permits U.S. companies to report mineralization that does not constitute "mineral reserves" by Commission standards as in place tonnage and grade without reference to unit measures. Accordingly, information contained in this news release may not be comparable to similar information made public by U.S. companies subject to the reporting and disclosure requirements under the United States federal securities laws and the rules and regulations of the Commission thereunder.

Mineral Reserves (Proven and Probable)

The following table sets forth the Mineral Reserve estimates for the Company's mineral projects as at December 31, 2012. See "Interests of Experts" for a listing of the qualified persons responsible for such estimates.


----------------------------------------------------------------------------
----------------------------------------------------------------------------
                   Proven Mineral Reserves       Probable Mineral Reserves  
----------------------------------------------------------------------------
Gold                                                                        
----------------------------------------------------------------------------
                                    Contained                      Contained
                   Tonnes     Grade       oz.     Tonnes     Grade       oz.
                  (000's)     (g/t)   (000's)    (000's)     (g/t)   (000's)
---------------=============================================================
Alumbrera                                                                   
 (12.5%)           26,250      0.36       304        838      0.23         6
Chapada           150,700      0.22     1,072    280,490      0.29     2,604
C1 Santa Luz       19,752      1.55       987     11,135      1.42       508
El Penon            1,903      8.90       546     11,071      4.90     1,746
Ernesto/                                                                    
 Pau a Pique        2,279      3.86       283      5,884      2.69       508
Fazenda                                                                     
 Brasileiro         2,777      2.47       220      1,365      1.96        86
Gualcamayo         12,560      1.18       475     37,066      1.33     1,590
Jacobina            6,300      2.43       492     18,641      3.22     1,930
Jeronimo (57%)      6,350      3.91       798      2,331      3.79       284
Mercedes              758      6.39       156      5,844      4.24       797
----------------------------------------------------------------------------
  Minera                                                                    
   Florida Ore      2,631      3.85       326      2,739      3.75       330
  Minera                                                                    
   Florida                                                                  
   Tailings         5,397      1.09       189          -         -         -
Total Minera                                                                
 Florida            8,028      1.99       515      2,739      3.75       330
----------------------------------------------------------------------------
Pilar                   -         -         -     11,098      4.04     1,440
----------------------------------------------------------------------------
Total Gold                                                                  
 Mineral                                                                    
 Reserves         237,657      0.77     5,847    388,502      0.95    11,829
----------------------------------------------------------------------------
Agua Rica         384,871      0.25     3,080    524,055      0.21     3,479
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Silver                                                                      
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                                                                            
                                    Contained                      Contained
                   Tonnes     Grade       oz.     Tonnes     Grade       oz.
                  (000's)     (g/t)   (000's)    (000's)     (g/t)   (000's)
---------------=============================================================
El Penon            1,903    216.00    13,218     11,071    167.00    59,369
Mercedes              758     74.63     1,820      5,844     44.23     8,311
----------------------------------------------------------------------------
Minera Florida                                                              
 Ore                2,631     23.74     2,008      2,739     25.49     2,244
Minera Florida                                                              
 Tailings           5,397     12.80     2,221          -         -         -
Total Minera                                                                
 Florida            8,028     16.38     4,229      2,739     25.49     2,244
----------------------------------------------------------------------------
Total Silver                                                                
 Mineral                                                                    
 Reserves          10,688     56.07    19,267     19,654    110.66    69,924
----------------------------------------------------------------------------
Agua Rica         384,871      3.73    46,176    524,055      3.33    56,070
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Copper                                                                      
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                   Tonnes     Grade Contained     Tonnes     Grade Contained
                  (000's)       (%)  lbs (mm)    (000's)       (%)  lbs (mm)
---------------=============================================================
Alumbrera                                                                   
 (12.5%)           26,250      0.36       208        838      0.27         5
Chapada           150,700      0.29       967    221,620      0.31     1,507
----------------------------------------------------------------------------
Total Copper                                                                
 Mineral                                                                    
 Reserves         176,950      0.30     1,175    222,458      0.31     1,512
----------------------------------------------------------------------------
Agua Rica         384,871      0.56     4,779    524,055      0.43     5,011
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Zinc                                                                        
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                   Tonnes     Grade Contained     Tonnes     Grade Contained
                  (000's)       (%)  lbs (mm)    (000's)       (%)  lbs (mm)
---------------=============================================================
Minera Florida      2,631      1.21        70      2,739      1.13        68
----------------------------------------------------------------------------
Total Zinc                                                                  
 Mineral                                                                    
 Reserves           2,631      1.21        70      2,739      1.13        68
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Molybdenum                                                                  
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                   Tonnes     Grade Contained     Tonnes     Grade Contained
                  (000's)       (%)  lbs (mm)    (000's)       (%)  lbs (mm)
---------------=============================================================
Alumbrera                                                                   
 (12.5%)           26,250     0.013       7.5        838     0.014       0.3
----------------------------------------------------------------------------
Total Moly                                                                  
 Mineral                                                                    
 Reserves          26,250     0.013       7.5        838     0.014       0.3
----------------------------------------------------------------------------
Agua Rica         384,871     0.033       279    524,055     0.030       350
----------------------------------------------------------------------------
----------------------------------------------------------------------------

----------------------------------------------------------------------------
----------------------------------------------------------------------------
                                  Total Proven & Probable                   
----------------------------------------------------------------------------
Gold                                                                        
----------------------------------------------------------------------------
                                                                   Contained
                             Tonnes               Grade                  oz.
                            (000's)               (g/t)              (000's)
--------------==============================================================
Alumbrera                                                                   
 (12.5%)                     27,088                0.35                  310
Chapada                     431,190                0.27                3,676
C1 Santa Luz                 30,887                1.51                1,495
El Penon                     12,974                5.50                2,291
Ernesto/                                                                    
 Pau a Pique                  8,163                3.01                  791
Fazenda                                                                     
 Brasileiro                   4,142                2.30                  306
Gualcamayo                   49,626                1.29                2,065
Jacobina                     24,942                3.02                2,422
Jeronimo (57%)                8,682                3.88                1,082
Mercedes                      6,602                4.49                  953
----------------------------------------------------------------------------
  Minera                                                                    
   Florida Ore                5,369                3.80                  656
  Minera                                                                    
   Florida                                                                  
   Tailings                   5,397                1.09                  189
Total Minera                                                                
 Florida                     10,766                2.44                  845
----------------------------------------------------------------------------
Pilar                        11,098                4.04                1,440
----------------------------------------------------------------------------
Total Gold                                                                  
 Mineral                                                                    
 Reserves                   626,159                0.88               17,676
----------------------------------------------------------------------------
Agua Rica                   908,926                0.22                6,559
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Silver                                                                      
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                                                                            
                                                                   Contained
                             Tonnes               Grade                  oz.
                            (000's)               (g/t)              (000's)
--------------==============================================================
El Penon                     12,974              174.00               72,587
Mercedes                      6,602               47.73               10,131
----------------------------------------------------------------------------
Minera Florida                                                              
 Ore                          5,369               24.63                4,252
Minera Florida                                                              
 Tailings                     5,397               12.80                2,221
Total Minera                                                                
 Florida                     10,766               18.70                6,473
----------------------------------------------------------------------------
Total Silver                                                                
 Mineral                                                                    
 Reserves                    30,342               91.43               89,191
----------------------------------------------------------------------------
Agua Rica                   908,926                3.50              102,246
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Copper                                                                      
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                             Tonnes               Grade            Contained
                            (000's)                 (%)             lbs (mm)
--------------==============================================================
Alumbrera                                                                   
 (12.5%)                     27,088                0.36                  213
Chapada                     372,320                0.30                2,474
----------------------------------------------------------------------------
Total Copper                                                                
 Mineral                                                                    
 Reserves                   399,408                0.31                2,687
----------------------------------------------------------------------------
Agua Rica                   908,926                0.49                9,789
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Zinc                                                                        
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                             Tonnes               Grade            Contained
                            (000's)                 (%)             lbs (mm)
--------------==============================================================
Minera Florida                5,369                1.17                  138
----------------------------------------------------------------------------
Total Zinc                                                                  
 Mineral                                                                    
 Reserves                     5,369                1.17                  138
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Molybdenum                                                                  
----------------------------------------------------------------------------
----------------------------------------------------------------------------
                             Tonnes               Grade            Contained
                            (000's)                 (%)             lbs (mm)
--------------==============================================================
Alumbrera                                                                   
 (12.5%)                     27,088               0.013                  7.8
----------------------------------------------------------------------------
Total Moly                                                                  
 Mineral                                                                    
 Reserves                    27,088               0.013                  7.8
----------------------------------------------------------------------------
Agua Rica                   908,926               0.031                  629
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(All amounts are expressed in United States dollars unless otherwise        
indicated.)                                                                 
1. Silver is treated as a gold equivalent at a ratio of 50:1 except at      
Mercedes where silver is treated as a gold equivalent at a ratio of 140:1   

Mineral Resources (Measured, Indicated and Inferred)

The following table set forth the Mineral Resource estimates and for the Company's mineral projects as at December 31, 2012. See "Interests of Experts" for a listing of the qualified persons responsible for such estimates.


----------------------------------------------------------------------------
----------------------------------------------------------------------------
                      Measured Mineral Resources Indicated Mineral Resources
----------------------------------------------------------------------------
Gold                                                                        
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        oz.   Tonnes   Grade        oz.
                      (000's)   (g/t)    (000's)  (000's)   (g/t)    (000's)
----------------------------------------------------------------------------
Amancaya                    -       -          -        -       -          -
Arco Sul                    -       -          -        -       -          -
C1 Santa Luz            3,243    1.00        104   10,400    1.72        574
Chapada                37,173    0.19        226  263,389    0.24      2,070
Cerro Moro                  -       -          -    4,157    6.60        884
El Penon                  637   11.34        232    1,365    4.55        200
Ernesto/Pau a Pique       204    6.28         41    2,083    1.50        100
Fazenda Brasileiro        164    3.31         17    2,406    1.91        148
Gualcamayo              7,297    1.41        330   25,896    1.01        841
Jacobina               12,666    2.36        960   12,290    2.83      1,117
Jeronimo (57%)            772    3.77         94      385    3.69         46
La Pepa                15,750    0.61        308  133,682    0.57      2,452
Lavra Velha                 -       -          -        -       -          -
----------------------------------------------------------------------------
  Mercedes                 29    3.22          3    2,633    3.36        284
  Rey del Oro               -       -          -        -       -          -
Total Mercedes             29    3.22          3    2,633    3.36        284
----------------------------------------------------------------------------
Minera Florida          1,203    6.44        249    1,470    5.57        263
Pilar                       -       -          -    1,797    4.62        267
Suyai                       -       -          -    4,700   15.00      2,286
----------------------------------------------------------------------------
Total Gold Mineral                                                          
 Resources             79,137    1.01      2,564  466,653    0.77     11,532
----------------------------------------------------------------------------
Agua Rica              27,081    0.14        120  173,917    0.14        776
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Silver                                                                      
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        oz.   Tonnes   Grade        oz.
                      (000's)   (g/t)    (000's)  (000's)   (g/t)    (000's)
----------------------------------------------------------------------------
Amancaya                    -       -          -        -       -          -
Chapada                     -       -          -   82,161    1.43      3,775
Cerro Moro                  -       -          -    4,157  400.30     53,500
El Penon                  637  287.08      5,877    1,365  140.38      6,163
----------------------------------------------------------------------------
  Mercedes                 29   61.09         56    2,633   35.79      3,030
  Rey del Oro               -       -          -        -       -          -
Total Mercedes             29   61.09         56    2,633   35.79      3,030
----------------------------------------------------------------------------
Minera Florida          1,203   39.06      1,511    1,470   30.00      1,411
Suyai                       -       -          -    4,700   23.00      3,523
----------------------------------------------------------------------------
Total Silver Mineral                                                        
 Resources              1,869  123.88      7,444   96,486   23.02     71,401
----------------------------------------------------------------------------
Agua Rica              27,081    2.35      2,042  173,917    2.89     16,158
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Copper                                                                      
----------------------------------------------------------------------------
                                                                            
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
----------------------------------------------------------------------------
Chapada                37,173    0.20        164  181,228    0.23        933
----------------------------------------------------------------------------
Total Copper Mineral                                                        
 Resources             37,173    0.20        164  181,228    0.23        933
----------------------------------------------------------------------------
Agua Rica              27,081    0.45        266  173,917    0.38      1,447
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Zinc                                                                        
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
----------------------------------------------------------------------------
Minera Florida          1,203    1.67         44    1,470    1.51         49
----------------------------------------------------------------------------
Total Zinc Mineral                                                          
 Resources              1,203    1.67         44    1,470    1.51         49
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Molybdenum                                                                  
----------------------------------------------------------------------------
                                                                            
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
                     -------------------------------------------------------
Agua Rica              27,081   0.049         29  173,917   0.037        142
----------------------------------------------------------------------------
Total Moly Mineral                                                          
 Resources             27,081   0.049         29  173,917   0.037        142
----------------------------------------------------------------------------

----------------------------------------------------------------------------
----------------------------------------------------------------------------
                           Total Measured &       Inferred Mineral Resources
                              Indicated                                     
----------------------------------------------------------------------------
Gold                                                                        
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        oz.   Tonnes   Grade        oz.
                      (000's)   (g/t)    (000's)  (000's)   (g/t)    (000's)
----------------------------------------------------------------------------
Amancaya                    -       -          -    1,390    7.90        351
Arco Sul                    -       -          -    3,501    4.64        522
C1 Santa Luz           13,643    1.55        678    6,004    2.54        490
Chapada               300,562    0.24      2,296  118,632    0.22        839
Cerro Moro              4,157    6.60        884    3,598    1.90        222
El Penon                2,002    6.71        432    5,108    5.86        962
Ernesto/Pau a Pique     2,287    1.92        141    4,868    1.87        293
Fazenda Brasileiro      2,570    2.00        165    6,131    3.10        611
Gualcamayo             33,193    1.10      1,171   10,355    1.66        552
Jacobina               24,956    2.59      2,077   12,551    3.01      1,215
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
Lavra Velha                 -       -          -    3,934    4.29        543
----------------------------------------------------------------------------
  Mercedes              2,661    3.36        287    2,725    3.49        305
  Rey del Oro               -       -          -      704    2.98         67
Total Mercedes          2,661    3.36        287    3,429    3.37        372
----------------------------------------------------------------------------
Minera Florida          2,673    5.96        512    3,738    5.52        664
Pilar                   1,797    4.62        267   11,184    3.83      1,377
Suyai                   4,700   15.00      2,286      900    9.90        274
----------------------------------------------------------------------------
Total Gold Mineral                                                          
 Resources            545,790    0.80     14,095  234,342    1.34     10,068
----------------------------------------------------------------------------
Agua Rica             200,998    0.14        896  642,110    0.12      2,444
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Silver                                                                      
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        oz.   Tonnes   Grade        oz.
                      (000's)   (g/t)    (000's)  (000's)   (g/t)    (000's)
----------------------------------------------------------------------------
Amancaya                    -       -          -    1,390   73.00      3,270
Chapada                82,161    1.43      3,775   27,553    1.11        982
Cerro Moro              4,157  400.30     53,500    3,598  115.90     13,408
El Penon                2,002  187.03     12,040    5,108  246.56     40,493
----------------------------------------------------------------------------
  Mercedes              2,662   36.06      3,086    2,725    37.3      3,269
  Rey del Oro               -       -          -      704    44.8      1,015
Total Mercedes          2,662   36.06      3,086    3,429   38.86      4,284
----------------------------------------------------------------------------
Minera Florida          2,673   34.00      2,922    3,738   39.00      4,691
Suyai                   4,700   23.00      3,523      900   21.00        575
----------------------------------------------------------------------------
Total Silver Mineral                                                        
 Resources             98,355   24.93     78,846   45,716   46.06     67,703
----------------------------------------------------------------------------
Agua Rica             200,998    2.82     18,200  642,110    2.33     48,124
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Copper                                                                      
----------------------------------------------------------------------------
                                                                            
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
----------------------------------------------------------------------------
Chapada               218,401    0.23      1,097   91,079    0.28        565
----------------------------------------------------------------------------
Total Copper Mineral                                                        
 Resources            218,401    0.23      1,097   91,079    0.28        565
----------------------------------------------------------------------------
Agua Rica             200,998    0.39      1,714  642,110    0.34      4,853
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Zinc                                                                        
----------------------------------------------------------------------------
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
----------------------------------------------------------------------------
Minera Florida          2,673    1.58         93    3,738    1.50        124
----------------------------------------------------------------------------
Total Zinc Mineral                                                          
 Resources              2,673    1.58         93    3,738    1.50        124
----------------------------------------------------------------------------
                                                                            
----------------------------------------------------------------------------
Molybdenum                                                                  
----------------------------------------------------------------------------
                                                                            
                                       Contained                   Contained
                       Tonnes   Grade        lbs   Tonnes   Grade        lbs
                      (000's)     (%)       (mm)  (000's)     (%)       (mm)
                    --------------------------------------------------------
Agua Rica             200,998   0.039        172  642,110   0.034        480
----------------------------------------------------------------------------
Total Moly Mineral                                                          
 Resources            200,998   0.039        172  642,110   0.034        480
----------------------------------------------------------------------------
     Note: Mineral Resources are exclusive of Mineral Reserves.             

Yamana Gold Inc. Mineral Reserve and Mineral Resource Reporting Notes:


1.  Metal Prices and Cut-off Grades: 

Mine                   Mineral Reserves            Mineral Resources        
----------------------------------------------------------------------------
                                                                            
Alumbrera (12.5%)      $1,400 Au, $3.20 Cu,        N/A                      
                       $17.00 Mo and 0.22% CuEQ                             
                                                                            
Amancaya               N/A                         1.0 g/t Aueq OP, 3.4 g/t 
                                                   Aueq UG                  
                                                                            
Arco Sul               N/A                         2.5 g/t Aueq cut-off     
                                                                            
Caiamar                N/A                         1.5 g/t Au cut-off       
                                                                            
Chapada                $950 Au, $2.50 Cu, $4.80    $1,500 Au, $3.5 Cu and   
                       average cut-off for         $3.5 NSR cut-off out of  
                       Chapada Mine                pit for Chapada Mine 0.2 
                       $900 Au; 0.2 g/t Au cut-    g/t Au cut-off for oxides
                       off for oxide ore and 0.3   and 0.3 g/t Au cut-off   
                       g/t Au cut-off for          for sulphide in Suruca   
                       sulphide ore in Suruca      Gold Project             
                       Gold Project                                         
                                                                            
C1-Santa Luz           $950 Au for C1 and          0.5 g/t Au cut-off for   
                       satellite orebodies         C1-Santa Luz Shallow and 
                       except Mansinha and Mari    1.5 g/t Au cut-off for C1
                       ($750 Au), 0.5 g/t Au       Downdip Extension        
                       cut-off                                              
                                                                            
Cerro Moro             N/A                         1.0 g/t Aueq cut-off     
                                                                            
El Penon               $950 Au, $20.00 Ag,         3.9 g/t Aueq cut-off     
                       Variable cut-off for                                 
                       Underground and 1.2 g/t                              
                       Aueq cut-off for Open Pit                            
                                                                            
Ernesto/Pau a Pique    $825 Au, 1.0 g/t UG, 0.3    0.3 g/t OP, 1.0 g/t UG   
                       g/t Au OP cut-off for       for Ernesto/PP and 0.3   
                       Ernesto and PP and $950     g/t for Lavrinha         
                       Au, 0.7 g/t Au cut-off                               
                       for Lavrinha                                         
                                                                            
Fazenda Brasileiro     $950 Au, 1.00 g/t Au UG     0.5 g/t cut-off UG and   
                       and 0.80 g/t Au OP cut-     0.25 g/t Au OP cut-off   
                       off                                                  
                                                                            
Gualcamayo             $950 Au, 1.00 g/t Au UG     1.0 g/t Au UG and for OP,
                       and for OP, 0.25 g/t Au     0.25 g/t Au for QDD Upper
                       for QDD Upper and 0.5 g/t   and 0.18 g/t for AIM cut-
                       Au for AIM cut-off          off                      
                                                                            
Jacobina               $950 Au, 1.45 g/t Au cut-   0.5 g/t Au cut-off for   
                       off                         Jacobina Mines and 1.5   
                                                   g/t Au cut-off for       
                                                   Pindobacu Project        
                                                                            
Jeronimo               $900 Au, 2.0 g/t Au cut-    2.0 g/t Au cut-off       
                       off                                                  
                                                                            
La Pepa                N/A                         $780 Au, 0.30 g/t Au cut-
                                                   off                      
                                                                            
Lavra Velha            N/A                         $1,300 Au, $3.5 Cu and   
                                                   0.2 g/t Au, 0.1% Cu cut- 
                                                   off                      
                                                                            
Mercedes               $950 Au, $20.00 Ag, 2.9     2.0 g/t Aueq cut-off for 
                       g/t Aueq                    Mercedes and 0.4 g/t Aueq
                                                   cut-off for Rey del Oro  
                                                                            
Minera Florida         $950 Au, $20.00 Ag, $1 lb   2.22 g/t Aueq cut-off    
                       Zn, 2.80 g/t Aueq cut-off                            
                       and Florida tailings cut-                            
                       off N/A                                              
                                                                            
Pilar                  $900 Au; 2.0 g/t Au cut-    2.0 g/t Au cut-off       
                       off                                                  
                                                                            
Suyai                  N/A                         5.0 g/t Au cut-off       
                                                                            
Agua Rica              $1,000 g/t Au, $2.25 lb     0.2% Cu cut-off          
                       Cu, $17.00 g/t Ag, $12.00                            
                       lb Mo                                                
                                                                            
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,  
    2012.                                                                   
                                                                            
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 this annual information form.                  
                                                                            
----------------------------------------------------------------------------
Property               Qualified Persons for       Qualified Persons for    
                       Mineral Reserves            Mineral Resources        
----------------------------------------------------------------------------
Alumbrera              Julio Bruna Novillo,        Julio Bruna Novillo,     
                       AusIMM, Member of CIM,      AusIMM, Member of CIM,   
                       Xstrata Plc                 Xstrata Plc              
----------------------------------------------------------------------------
Amancaya               Not applicable              Chester M. Moore, P.Eng.,
                                                   Roscoe Postle Associates 
                                                   Inc.                     
----------------------------------------------------------------------------
Arco Sul               Not applicable              Chester M. Moore, P.Eng.,
                                                   Roscoe Postle Associates 
                                                   Inc.                     
----------------------------------------------------------------------------
Chapada                Emerson Ricardo Re, MSc,    Emerson Ricardo Re, MSc, 
                       MAusIMM, Member of          MAusIMM, Member of       
                       Chilean Mining              Chilean Mining           
                       Commission, Corporate       Commission, Corporate    
                       Manager R&R, Yamana Gold    Manager R&R, Yamana Gold 
                       Inc.                        Inc.                     
----------------------------------------------------------------------------
Cerro Moro             Not applicable              David (Ted) Coupland, BSc
                                                   DipGeoSc CFSG ASIA       
                                                   MAusIMM (CP) MMICA),     
                                                   Director, Geological     
                                                   Consulting, Principal    
                                                   Geostatistician, Cube    
                                                   Consulting Pty Ltd.      
----------------------------------------------------------------------------
C1 Santa Luz           Emerson Ricardo Re, MSc,    Marco Antonio Alfaro     
                       MAusIMM, Member of          Sironvalle, P.Eng., Ph.D.
                       Chilean Mining              Eng., MAusIMM, Member of 
                       Commission, Corporate       Chilean Mining           
                       Manager R&R, Yamana Gold    Commission, Corporate    
                       Inc.                        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.       
                       Sironvalle, P.Eng., Ph.D.   P.Geo., Regional Resource
                       Eng., MAusIMM, Member of    Estimation Manager, Andes
                       Chilean Mining              Exploration, Yamana Gold 
                       Commission, Corporate       Inc.                     
                       Manager, Reserves, Yamana                            
                       Gold Inc.                                            
----------------------------------------------------------------------------
Ernesto / Pau-a        Emerson Ricardo Re, MSc,    Sergio Brandao Silva, P. 
-Pique                 MAusIMM, Registered         Geo, Exploration         
                       Member of Chilean Mining    Director, Brazil, Yamana 
                       Commission, Corporate       Gold Inc.                
                       Manager R&R, Yamana Gold                             
                       Inc.                                                 
----------------------------------------------------------------------------
Fazenda Brasileiro     Emerson Ricardo Re, MSc,    Sergio Brandao Silva, P. 
                       MAusIMM, Member of          Geo, Exploration         
                       Chilean Mining              Director, Brazil, Yamana 
                       Commission, Corporate       Gold Inc.                
                       Manager R&R, Yamana Gold                             
                       Inc.                                                 
----------------------------------------------------------------------------
Gualcamayo             Emerson Ricardo Re, MSc,    Marcos Valencia A.       
                       MAusIMM, Member of          P.Geo., Regional Resource
                       Chilean Mining              Estimation Manager, Andes
                       Commission, Corporate       Exploration, Yamana Gold 
                       Manager R&R, Yamana Gold    Inc.                     
                       Inc. (for Gualcamayo,                                
                       excluding QDD Lower) and                             
                       Guillermo Bagioli,                                   
                       MAusIMM, Member of                                   
                       Chilean Mining                                       
                       Commission, Metalica                                 
                       Consultores S.A. (for QDD                            
                       Lower)                                               
----------------------------------------------------------------------------
Jacobina               Emerson Ricardo Re, MSc,    Sergio Brandao Silva, P. 
                       MAusIMM, Member of          Geo, Exploration         
                       Chilean Mining              Director, Brazil, Yamana 
                       Commission, Corporate       Gold Inc.                
                       Manager R&R, Yamana Gold                             
                       Inc.                                                 
----------------------------------------------------------------------------
Jeronimo               Guillermo Bagioli Arce,     Dominique Francois-      
                       MAusIMM, Member of          Bongarcon, Ph.D, FAusIMM,
                       Chilean Mining              Agoratek International   
                       Commission, Metalica                                 
                       Consultores S.A.                                     
----------------------------------------------------------------------------
La Pepa                Not applicable              Chester M. Moore, P.Eng.,
                                                   Roscoe Postle Associates 
                                                   Inc.                     
----------------------------------------------------------------------------
Lavera Velha           Not applicable              Marcelo Antonio          
                                                   Batelochi, P.Geo.,       
                                                   MAusIMM (CP), Geologist  
                                                   Consultant               
----------------------------------------------------------------------------
Mercedes               Marco Antonio Alfaro        Marcos Valencia A.       
                       Sironvalle, P.Eng., Ph.D.   P.Geo., Regional Resource
                       Eng., MAusIMM, Member of    Estimation Manager, Andes
                       Chilean Mining              Exploration, Yamana Gold 
                       Commission, Corporate       Inc.                     
                       Manager, Reserves, Yamana                            
                       Gold Inc.                                            
----------------------------------------------------------------------------
Minera Florida         Marco Antonio Alfaro        Marcos Valencia A.       
                       Sironvalle, P.Eng., Ph.D.   P.Geo., Regional Resource
                       Eng., MAusIMM, Member of    Estimation Manager, Andes
                       Chilean Mining              Exploration, Yamana Gold 
                       Commission, Corporate       Inc.                     
                       Manager, Reserves, Yamana                            
                       Gold Inc.                                            
----------------------------------------------------------------------------
Pilar                  Guillermo Bagioli,          Marco Antonio Alfaro     
                       MAusIMM, Member of          Sironvalle, P.Eng., Ph.D.
                       Chilean Mining              Eng., MAusIMM, Member of 
                       Commission, Metalica        Chilean Mining           
                       Consultores S.A. (for       Commission, Corporate    
                       Jordino) and Emerson        Manager, Reserves, Yamana
                       Ricardo Re, MSc, MAusIMM,   Gold Inc. (for Jordino)  
                       Member of Chilean Mining    and Sergio Brandao Silva,
                       Commission, Corporate       P.  Geo, Exploration     
                       Manager R&R, Yamana Gold    Director, Brazil, Yamana 
                       Inc. (for Jordino           Gold Inc. (for Jordino   
                       Extension)                  Down Dip, Tres Buracos,  
                                                   HG and Ogo Extension) and
                                                   Maria Lazara             
----------------------------------------------------------------------------
Suyai                  Not applicable              Robin J.  Young, P.      
                                                   Geo., Western Services   
                                                   Engineering, Inc.        
----------------------------------------------------------------------------
Agua Rica              Enrique Munoz Gonzalez,     Evandro Cintra, Ph.D., P.
                       MAusIMM                     Geo., Senior Vice        
                                                   President, 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

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