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Download Yamana’s Mineral Reserve and Mineral Resource Estimates as at December 31, 2010


Mineral Reserves (Proven and Probable)


Gold Proven Reserves   Probable Reserves   Total - Proven and Probable

Tonnes Grade Contained  Tonnes Grade Contained Tonnes Grade Contained
  (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's)
Alumbrera (12.5%) 34,625 0.39  434 875 0.28  8 35,500 0.39  442
Chapada 167,765 0.21  1,125 261,406 0.24  2,009 429,171 0.23  3,134
C1-Santa Luz 13,452 1.63  706 10,336 1.44  479 23,788 1.55  1,184
El Peñón 1,349 7.53  327 7,204 7.24  1,677 8,554 7.29  2,003
Ernesto/Pau a Pique 2,279 3.86  283 4,827 2.75  427 7,106 3.11  710
Fazenda Brasileiro 1,254 2.85  115 545 3.49  61 1,799 3.04  176
Gualcamayo 20,614 0.97  641 48,461 1.14  1,775 69,075 1.09  2,416
Jacobina 3,754 1.93  233 17,205 2.60  1,439 20,959 2.48  1,672
Jeronimo (57%)* - - - 7,310 3.95  928 7,310 3.95  928
Mercedes - - - 4,362 5.66  794 4,362 5.66  794
Minera Florida 1,831 4.54  267 3,149 3.96  401 4,980 4.18  668
Pilar (Jordino) - - - 11,098 4.03  1,439 11,098 4.03  1,439
Sub Total Gold Mineral Reserves 246,923 0.52  4,131 376,779 0.94  11,437 623,702 0.78  15,565
Agua Rica 384,871 0.25  3,080 524,055 0.21  3,479 908,926 0.22  6,559
Total Gold Mineral Reserves 631,794 0.35  7,211 900,834 0.52  14,916 1,532,628 0.45  22,124


Silver Proven Reserves   Probable Reserves   Total - Proven and Probable
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's)
El Peñón 1,349 280.70 12,176 7,204 171.34 39,687 8,554 188.59 51,863
Mercedes - - - 4,362 59.80 8,386 4,362 59.80 8,386
Minera Florida 1,831 30.54 1,798 3,149 29.39 2,976 4,980 29.81 4,774
Sub Total Silver Mineral Reserves 3,180 136.67 13,974 14,715 107.90 51,049 17,896 113.01 65,023
Agua Rica 384,871 3.73 46,176 524,055 3.33 56,070 908,926 3.50 102,246
Total Silver Mineral Reserves 388,051 4.82 60,150 538,770 6.18 107,119 926,822 5.61 167,269


Copper Proven Reserves   Probable Reserves   Total - Proven and Probable
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Alumbrera (12.5%) 34,625 0.39 298 875 0.32 6 35,500 0.39 304
Chapada 167,765 0.29 1,068 200,951 0.24 957 368,716 0.26 2,149
Sub Total Copper Mineral Reserves 202,390 0.31 1,366 201,826 0.24 963 404,216 0.27 2,453
Agua Rica 384,871 0.56 4,779 524,055 0.43 5,011 908,926 0.49 9,789
Total Copper Mineral Reserves 587,261 0.47 6,144 725,881 0.38 5,974 1,313,142 0.42 12,242


Zinc Proven Reserves   Probable Reserves   Total - Proven and Probable
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Minera Florida 1,831 1.19 48 3,149 1.17 81 4,980 1.18 129
Total Zinc Mineral Reserves 1,831 1.19 48 3,149 1.17 81 4,980 1.18 129


Molybdenum Proven Reserves   Probable Reserves   Total - Proven and Probable
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Alumbrera (12.5%) 34,625 0.013 10 875 0.015 0.3 35,500 0.013 10
Sub Total Moly Mineral Reserves 34,625 0.013 10 875 0.015 0.3 35,500 0.013 10
Agua Rica 384,871 0.033 279 524,055 0.030 350 908,926 0.031 629
Total Moly Mineral Reserves 419,496 0.031 289 524,930 0.030 350 944,426 0.031 639
*Jeronimo mineral reserves on a consolidated basis total 1.628 million ounces with mineral resources of 165,000 ounces.

Mineral Resources (Measured, Indicated and Inferred)


Gold Measured Resources Indicated Resources Total - Measured and Indicated Inferred Resources  
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's)
Amancaya - - - - - - - - - 1,390 7.90 351
C1-Santa Luz 12,029 1.50 580 13,728 1.43 633 25,757 1.46 1,213 4,989 1.43 230
Caiamar - - - 703 4.76 108 703 4.76 108 1,380 3.30 150
Chapada 65,250 0.13 269 369,693 0.19 2,254 434,943 0.18 2,523 105,325 0.12 404
El Penón 822 12.71 336 1,843 7.12 422 2,665 8.85 758 4,447 8.12 1,161
Ernesto/Pau a Pique 204 6.28 41 1,793 1.44 83 1,997 1.93 124 4,459 1.79 257
Fazenda Brasileiro 4,617 1.76 262 3,267 2.00 210 7,884 1.86 472 2,021 3.11 202
Gualcamayo 5,336 1.38 237 20,283 1.06 694 25,619 1.13 931 4,381 0.82 115
Jacobina 3,403 2.18 238 13,735 3.23 1,425 17,138 3.02 1,663 13,555 2.97 1,293
Jeronimo (57%)* - - - 830 3.54 94 830 3.54 94 1,846 3.70 219
La Pepa 15,750 0.61 308 133,682 0.57 2,452 149,432 0.57 2,760 37,900 0.50 620
Mercedes - - - 1,509 3.88 188 1,509 3.88 188 3,444 4.23 468
Minera Florida 1,105 5.77 205 888 5.85 167 1,992 5.81 372 2,980 5.58 534
Pilar (Jordino) - - - 703 5.13 116 703 5.13 116 697 5.71 128
Pilar (Tres Buracos) - - - - - - - - - 4,100 1.30 170
Suyai - - - 4,700 15.00 2,286 4,700 15.00 2,286 900 9.90 274
Sub Total                        
Gold Mineral 108,515 0.71 2,476 567,357 0.61 11,132 675,872 0.63 13,608 193,814 1.06 6,576
Resources                        
Agua Rica 27,081 0.14 120 173,917 0.14 776 200,998 0.14 896 642,110 0.12 2,444
Total Gold                        
Mineral 135,596 0.60 2,596 741,274 0.50 11,908 876,870 0.51 14,504 835,924 0.34 9,020
Resources                        


Silver Measured Resources Indicated Resources   Total - Measured and Indicated Inferred Resources
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's) (000's) (g/t) oz. (000's)
Amancaya - - - - - - - - - 1,390 73.00 3,270
El Penón 822 332.59 8,789 1,843 193.64 11,477 2,665 236.53 20,266 4,447 258.17 36,911
Mercedes - - - 1,509 48.70 2,363 1,509 48.70 2,363 3,444 32.10 3,554
Minera Florida 1,105 20.53 729 888 30.87 881 1,992 25.14 1,610 2,980 55.63 5,329
Suyai - - - 4,700 23.00 3,523 4,700 23.00 3,523 900 21.00 575
Sub Total Silver Mineral Resources 1,927 153.67 9,518 8,940 63.48 18,244 10,866 79.47 27,762 13,161 117.31 49,639
Agua Rica 27,081 2.35 2,042 173,917 2.89 16,158 200,998 2.82 18,200 642,110 2.33 48,124
Total Silver                        
Mineral 29,007 12.40 11,560 182,857 5.85 34,402 211,864 6.75 45,962 655,271 4.64 97,763
Resources                        


Copper Measured Resources Indicated Resources   Total - Measured and Indicated Inferred Resources
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Chapada 65,250 0.18 239 278,787 0.19 1,146 344,037 0.19 1,385 96,147 0.19 392
Sub Total Copper Mineral Resources 65,250 0.18 239 278,787 0.19 1,146 344,037 0.19 1,385 96,147 0.19 392
Agua Rica 27,081 0.45 266 173,917 0.38 1,447 200,998 0.39 1,714 642,110 0.34 4,853
Total Copper Mineral Resources 92,331 0.26 505 452,704 0.26 2,593 545,035 0.26 3,099 738,257 0.32 5,245


Zinc Measured Resources Indicated Resources   Total - Measured and Indicated Inferred Resources
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Minera Florida 1,105 2.26 55 888 1.52 30 1,992 1.94 85 2,980 1.43 94
Total Zinc Mineral Resources 1,105 2.26 55 888 1.52 30 1,992 1.94 85 2,980 1.43 94


Molybdenum Measured Resources Indicated Resources   Total - Measured and Indicated Inferred Resources
  Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained Tonnes Grade Contained
  (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm) (000's) (%) lbs (mm)
Agua Rica 27,081 0.049 29 173,917 0.037 142 200,998 0.039 172 642,110 0.034 480
Total Moly Mineral Resources 27,081 0.049 29 173,917 0.037 142 200,998 0.039 172 642,110 0.034 480
NOTE: Mineral Resources are exclusives 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%) $1,040 Au, $2.80 Cu, $16.00 and 0.22% CuEq N/A
Amancaya N/A 1.0 g/t Aueq OP , 3.4 g/tAueq UG
Caiamar N/A 1.5 g/t Au cut-off
Chapada $900 Au, $2.50 Cu, $3.53 NSR cut­off $3.53 NSR cut-off out of pit
C1-Santa Luz $750 Au, 0.50 g/t Au cut-off 0.5 g/t Au cut-off
El Penón $900 Au, $15.00 Ag, 3.6 g/t Aueq cut-off 3.9 g/t Aueq cut-off
Ernesto/Pau a Pique $825 Au, 1.0 g/t UG, 0.3 g/t Au OP cut-off 0.3 g/t OP 1.0 g/t UG
Fazenda Brasileiro $1,000 Au, 1.34 g/t Au UG and 0.94g/t Au OP cut-off 0.5 g/t cut-off UG and 0.25g/t Au OP cut-off 
Gualcamayo $900 Au, 1.00 g/t Au UG and 0.15 g/t Au Open Pit cut-off 1.00 g/t Au UG and 0.15 g/t Au OP cut-off
Jacobina $900 Au; 1.18 g/t Au cut-off 0.5 g/t Au cut-off for Jacobina Mines and 1.5 g/t Au cut-off for Pindobaçu 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
Mercedes $900 Au, $15.00 Ag, 3.0 g/t Aueq  2.0 g/t Aueq cut-off
Minera Florida $900 Au, $15.00 Ag, $1 lb Zn, 2.51 g/t Aueq cut-off 1.2 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
Agua Rica $1,000 g/t Au, $2.50 lb Cu, $17.00 g/t Ag, $12.00 lb Mo 0.2% Cu cut-off


  1. 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.
  2. All mineral resources are reported exclusive of mineral reserves.
  3. Mineral resources which are not mineral reserves do not have demonstrated economic viability.
  4. Mineral reserves and mineral resources are reported as of December 31, 2010.
  5. 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.


The following are qualified persons responsible for mineral reserve and mineral resource estimates as at December 31, 2010.



Property Qualified Persons for Mineral Reserves Qualified Persons for Mineral Resources
Fazenda Brasileiro Rogerio Moreno, MAusIMM, Principal Geologist, MCB Servicos e Mineracao Ltda. Rogerio Moreno, MAusIMM, Principal Geologist, MCB Servicos e Mineracao Ltda.
C-1 Santa Luz Enrique Munoz Gonzalez, MAusIMM, Metalica Consultores S.A. Marco Antonio Alfaro Sironvalle, MAusIMM, Corporate Manager, Reserves, Yamana Gold Inc.
Jacobina Emerson Ricardo Re, MSc, MAusIMM, Corporate Manager R&R, Yamana Gold Inc. Rogerio Moreno, MAusIMM, Principal Geologist, MCB Servicos e Mineracao Ltda.
Ernesto/ Pau a Pique Renato Petter, P. Eng., Technical Services Director, Yamana Gold Inc. Rogerio Moreno, MAusIMM, Principal Geologist, MCB Servicos e Mineracao Ltda.
Chapada Raul Contreras, Metalica Consultores S.A. Emerson Ricardo Re, MSc, MAusIMM, Corporate Manager R&R, Yamana Gold Inc. For Chapada -and-Greg Walker, P.Geo., Senior Manager, Resources Estimation, Yamana Gold Inc. For Chapada - Suruca
Gualcamayo Emerson Ricardo Re, MSc, MAusIMM, Corporate Manager R&R, Yamana Gold Inc. Marcos Valencia A. P.Geo., Regional Resource Estimation Manager, Andes Exploration, Yamana Gold Inc.
Pilar Guillermo Bagioli, MAusIMM, Metalica Consultores S.A. For Jordino -and-Emerson Ricardo Re, MSc, MAusIMM, Corporate Manager R&R, Yamana Gold Inc. For Jordino Extension Marco Antonio Alfaro Sironvalle, MAusIMM, Corporate Manager, Reserves, Yamana Gold Inc. For Jordino -and-Pamela L. De Mark, P.Geo., Senior Consultant, Snowden Mining Industry Consultants Inc. For 3 Buracos
El Penón Marco Antonio Alfaro Sironvalle, MAusIMM, Corporate Manager, Reserves, Yamana Gold Inc. Marcos Valencia A. P.Geo., Regional Resource Estimation Manager, Andes Exploration, Yamana Gold Inc.
Minera Florida Marco Antonio Alfaro Sironvalle, MAusIMM, Corporate Manager, Reserves, Yamana Gold Inc. Marcos Valencia A. P.Geo., Regional Resource Estimation Manager, Andes Exploration, Yamana Gold Inc.
Amancaya Not applicable Chester M. Moore, P.Eng., Scott Wilson Roscoe Postle Associates Inc.
Agua Rica Enrique Munoz Gonzalez, MAusIMM, Metalica Consultores S.A. Evandro Cintra, Ph.D., P. Geo., Senior Vice President, Technical Services, Yamana Gold Inc.
Alumbrera Julio Bruna Novillo, AusIMM, Xstrata Plc Julio Bruna Novillo, AusIMM, Xstrata Plc
Jeronimo Guillermo Bagioli Arce, M. AusIMM , Dominique BongarA§on, Ph.D, P.Eng., Agoratek


  Metálica Consultores S.A. International
Suyai Not applicable Robin J. Young, P. Geo., Western Services Engineering, Inc.
Mercedes Greg Walker, P.Geo., Senior Manager, Resources Estimation, Yamana Gold Inc Greg Walker, P.Geo., Senior Manager, Resources Estimation, Yamana Gold Inc.
La Pepa Not applicable Chester M. Moore, P.Eng., Scott Wilson Roscoe Postle Associates Inc.

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