| Date | Close | Open | Low | High | Trades | Traded Volume | Volume |
| 05/16/2012 | R$ 8.00 | R$ 8.10 | R$ 7.81 | R$ 8.10 | 17 | 32,300 | R$ 258,217.00 |
| 05/15/2012 | R$ 7.99 | R$ 8.00 | R$ 7.91 | R$ 8.00 | 15 | 6,900 | R$ 55,153.00 |
| 05/14/2012 | R$ 8.17 | R$ 8.22 | R$ 8.00 | R$ 8.22 | 8 | 2,800 | R$ 22,905.00 |
| 05/11/2012 | R$ 8.22 | R$ 8.15 | R$ 8.15 | R$ 8.22 | 4 | 500 | R$ 4,089.00 |
| 05/10/2012 | R$ 8.23 | R$ 8.30 | R$ 8.10 | R$ 8.32 | 12 | 3,200 | R$ 26,292.00 |
| 05/09/2012 | R$ 8.20 | R$ 8.08 | R$ 8.00 | R$ 8.29 | 21 | 6,100 | R$ 49,510.00 |
| 05/08/2012 | R$ 8.32 | R$ 8.32 | R$ 8.32 | R$ 8.32 | 1 | 100 | R$ 832.00 |
| 05/07/2012 | R$ 8.27 | R$ 8.27 | R$ 8.20 | R$ 8.30 | 11 | 4,000 | R$ 33,111.00 |
| 05/04/2012 | R$ 8.41 | R$ 8.40 | R$ 8.30 | R$ 8.42 | 13 | 11,600 | R$ 97,478.00 |
| 05/03/2012 | R$ 8.38 | R$ 8.41 | R$ 8.38 | R$ 8.44 | 3 | 400 | R$ 3,361.00 |
| 05/02/2012 | R$ 8.29 | R$ 8.55 | R$ 8.21 | R$ 8.55 | 23 | 9,900 | R$ 82,851.00 |
| 04/30/2012 | R$ 8.65 | R$ 8.40 | R$ 8.40 | R$ 8.65 | 4 | 1,100 | R$ 9,265.00 |
| 04/27/2012 | R$ 8.36 | R$ 8.16 | R$ 8.16 | R$ 8.40 | 8 | 900 | R$ 7,508.00 |
| 04/26/2012 | R$ 8.39 | R$ 8.20 | R$ 8.20 | R$ 8.39 | 28 | 15,400 | R$ 127,048.00 |
| 04/25/2012 | R$ 8.39 | R$ 8.38 | R$ 8.26 | R$ 8.39 | 9 | 3,500 | R$ 29,249.00 |
| 04/24/2012 | R$ 8.26 | R$ 8.30 | R$ 8.23 | R$ 8.39 | 33 | 19,200 | R$ 160,299.00 |
| 04/23/2012 | R$ 8.38 | R$ 8.38 | R$ 8.38 | R$ 8.38 | 1 | 100 | R$ 838.00 |
| 04/20/2012 | R$ 8.48 | R$ 8.39 | R$ 8.31 | R$ 8.48 | 9 | 7,200 | R$ 60,449.00 |
| 04/19/2012 | R$ 8.40 | R$ 8.40 | R$ 8.28 | R$ 8.47 | 32 | 16,900 | R$ 140,941.00 |
| 04/18/2012 | R$ 8.50 | R$ 8.20 | R$ 8.20 | R$ 8.50 | 20 | 69,200 | R$ 574,769.00 |
| 04/17/2012 | R$ 8.15 | R$ 8.44 | R$ 8.15 | R$ 8.44 | 33 | 11,200 | R$ 92,879.00 |
| 04/16/2012 | R$ 8.45 | R$ 8.28 | R$ 8.26 | R$ 8.47 | 12 | 29,100 | R$ 244,682.00 |
| 04/13/2012 | R$ 8.45 | R$ 8.27 | R$ 8.27 | R$ 8.45 | 15 | 17,400 | R$ 145,856.00 |
| 04/12/2012 | R$ 8.45 | R$ 8.49 | R$ 8.23 | R$ 8.49 | 15 | 2,300 | R$ 19,202.00 |
| 04/11/2012 | R$ 8.25 | R$ 8.44 | R$ 8.15 | R$ 8.45 | 22 | 16,300 | R$ 135,869.00 |
| 04/10/2012 | R$ 8.45 | R$ 8.40 | R$ 8.31 | R$ 8.48 | 17 | 5,400 | R$ 45,416.00 |
| 04/05/2012 | R$ 8.49 | R$ 8.16 | R$ 8.15 | R$ 8.49 | 17 | 4,300 | R$ 35,792.00 |
| 04/04/2012 | R$ 8.40 | R$ 8.39 | R$ 8.29 | R$ 8.40 | 7 | 1,200 | R$ 10,066.00 |
| 04/03/2012 | R$ 8.43 | R$ 8.27 | R$ 8.23 | R$ 8.44 | 19 | 9,300 | R$ 77,175.00 |
| 04/02/2012 | R$ 8.50 | R$ 8.49 | R$ 8.36 | R$ 8.50 | 21 | 20,000 | R$ 168,873.00 |
| 03/30/2012 | R$ 8.60 | R$ 8.27 | R$ 8.27 | R$ 8.60 | 11 | 2,600 | R$ 22,049.00 |
| 03/29/2012 | R$ 8.49 | R$ 8.10 | R$ 8.05 | R$ 8.49 | 37 | 15,100 | R$ 124,445.00 |
| 03/28/2012 | R$ 8.34 | R$ 8.21 | R$ 8.19 | R$ 8.35 | 14 | 11,500 | R$ 94,715.00 |
| 03/27/2012 | R$ 8.46 | R$ 8.64 | R$ 8.30 | R$ 8.64 | 8 | 26,100 | R$ 221,028.00 |
| 03/26/2012 | R$ 8.50 | R$ 8.49 | R$ 8.29 | R$ 8.50 | 11 | 54,700 | R$ 463,839.00 |
| 03/23/2012 | R$ 8.50 | R$ 8.44 | R$ 8.36 | R$ 8.50 | 3 | 300 | R$ 2,530.00 |
| 03/22/2012 | R$ 8.20 | R$ 8.74 | R$ 8.20 | R$ 8.74 | 33 | 31,000 | R$ 257,120.00 |
| 03/21/2012 | R$ 8.56 | R$ 8.85 | R$ 8.56 | R$ 8.85 | 13 | 3,900 | R$ 33,983.00 |
| 03/20/2012 | R$ 8.84 | R$ 8.58 | R$ 8.58 | R$ 8.84 | 11 | 1,300 | R$ 11,323.00 |
| 03/19/2012 | R$ 8.63 | R$ 8.85 | R$ 8.63 | R$ 8.85 | 25 | 8,800 | R$ 76,711.00 |
| 03/16/2012 | R$ 8.89 | R$ 8.85 | R$ 8.54 | R$ 8.89 | 31 | 20,700 | R$ 181,890.00 |
| 03/15/2012 | R$ 8.90 | R$ 8.70 | R$ 8.68 | R$ 8.90 | 25 | 4,500 | R$ 39,273.00 |
| 03/14/2012 | R$ 8.90 | R$ 8.64 | R$ 8.52 | R$ 8.90 | 16 | 18,600 | R$ 164,787.00 |
| 03/13/2012 | R$ 8.90 | R$ 8.55 | R$ 8.20 | R$ 8.90 | 60 | 95,300 | R$ 814,282.00 |
| 03/12/2012 | R$ 8.55 | R$ 8.00 | R$ 7.81 | R$ 8.69 | 18 | 19,000 | R$ 160,046.00 |
| 03/09/2012 | R$ 8.04 | R$ 7.57 | R$ 7.51 | R$ 8.04 | 13 | 16,000 | R$ 126,759.00 |
| 03/08/2012 | R$ 7.80 | R$ 7.50 | R$ 7.36 | R$ 7.80 | 20 | 26,800 | R$ 207,154.00 |
| 03/07/2012 | R$ 7.50 | R$ 7.41 | R$ 7.39 | R$ 7.50 | 15 | 44,800 | R$ 332,352.00 |
| 03/06/2012 | R$ 7.40 | R$ 7.39 | R$ 7.20 | R$ 7.42 | 22 | 86,400 | R$ 638,505.00 |
| 03/05/2012 | R$ 7.39 | R$ 7.44 | R$ 7.22 | R$ 7.44 | 10 | 10,800 | R$ 79,500.00 |
| 03/02/2012 | R$ 7.40 | R$ 7.29 | R$ 7.27 | R$ 7.40 | 23 | 12,800 | R$ 94,035.00 |
| 03/01/2012 | R$ 7.45 | R$ 7.20 | R$ 7.20 | R$ 7.49 | 14 | 16,100 | R$ 118,167.00 |
| 02/29/2012 | R$ 7.30 | R$ 7.10 | R$ 7.10 | R$ 7.39 | 10 | 7,100 | R$ 51,699.00 |
| 02/28/2012 | R$ 7.10 | R$ 7.09 | R$ 7.09 | R$ 7.28 | 11 | 3,000 | R$ 21,424.00 |
| 02/27/2012 | R$ 7.30 | R$ 7.05 | R$ 7.05 | R$ 7.30 | 5 | 1,100 | R$ 7,842.00 |
| 02/24/2012 | R$ 7.14 | R$ 7.19 | R$ 7.14 | R$ 7.19 | 7 | 34,700 | R$ 247,780.00 |
| 02/23/2012 | R$ 7.00 | R$ 7.10 | R$ 6.96 | R$ 7.30 | 41 | 396,300 | R$ 2,774,371.00 |
| 02/22/2012 | R$ 7.20 | R$ 7.39 | R$ 7.20 | R$ 7.40 | 14 | 54,700 | R$ 401,593.00 |
| 02/17/2012 | R$ 7.39 | R$ 7.10 | R$ 7.10 | R$ 7.39 | 11 | 22,800 | R$ 162,332.00 |
| 02/16/2012 | R$ 7.10 | R$ 7.18 | R$ 7.09 | R$ 7.22 | 38 | 30,600 | R$ 217,556.00 |
| 02/15/2012 | R$ 7.40 | R$ 7.36 | R$ 7.15 | R$ 7.45 | 8 | 800 | R$ 5,870.00 |
| 02/14/2012 | R$ 7.15 | R$ 7.50 | R$ 7.02 | R$ 7.50 | 22 | 13,800 | R$ 97,323.00 |
| 02/13/2012 | R$ 7.29 | R$ 7.18 | R$ 6.85 | R$ 7.32 | 10 | 6,200 | R$ 43,803.00 |
| 02/10/2012 | R$ 6.99 | R$ 7.35 | R$ 6.91 | R$ 7.40 | 25 | 9,000 | R$ 63,309.00 |
| 02/09/2012 | R$ 7.15 | R$ 7.21 | R$ 7.15 | R$ 7.32 | 16 | 11,600 | R$ 83,196.00 |
| 02/08/2012 | R$ 7.43 | R$ 7.59 | R$ 7.33 | R$ 7.59 | 7 | 1,400 | R$ 10,480.00 |
| 02/07/2012 | R$ 7.49 | R$ 7.03 | R$ 6.84 | R$ 7.49 | 23 | 14,900 | R$ 104,704.00 |
| 02/06/2012 | R$ 6.93 | R$ 7.01 | R$ 6.93 | R$ 7.14 | 22 | 8,500 | R$ 59,411.00 |
| 02/03/2012 | R$ 7.19 | R$ 7.16 | R$ 7.06 | R$ 7.19 | 13 | 4,400 | R$ 31,446.00 |
| 02/02/2012 | R$ 7.17 | R$ 6.96 | R$ 6.96 | R$ 7.17 | 16 | 4,000 | R$ 28,464.00 |
| 02/01/2012 | R$ 7.17 | R$ 7.00 | R$ 6.99 | R$ 7.17 | 22 | 5,000 | R$ 35,262.00 |
| 01/31/2012 | R$ 7.20 | R$ 7.16 | R$ 7.05 | R$ 7.20 | 6 | 1,900 | R$ 13,649.00 |
| 01/30/2012 | R$ 7.19 | R$ 6.99 | R$ 6.89 | R$ 7.19 | 6 | 4,200 | R$ 29,383.00 |
| 01/27/2012 | R$ 7.00 | R$ 7.28 | R$ 6.60 | R$ 7.28 | 20 | 5,900 | R$ 40,863.00 |
| 01/26/2012 | R$ 7.00 | R$ 6.77 | R$ 6.62 | R$ 7.00 | 21 | 10,400 | R$ 70,538.00 |
| 01/24/2012 | R$ 6.97 | R$ 6.68 | R$ 6.68 | R$ 6.97 | 39 | 31,800 | R$ 215,355.00 |
| 01/23/2012 | R$ 6.68 | R$ 6.65 | R$ 6.41 | R$ 6.70 | 24 | 15,000 | R$ 98,993.00 |
| 01/20/2012 | R$ 6.64 | R$ 6.62 | R$ 6.59 | R$ 6.64 | 17 | 5,200 | R$ 34,425.00 |
| 01/19/2012 | R$ 6.67 | R$ 6.66 | R$ 6.62 | R$ 6.67 | 10 | 16,900 | R$ 112,631.00 |
| 01/18/2012 | R$ 6.68 | R$ 6.89 | R$ 6.65 | R$ 6.89 | 10 | 2,600 | R$ 17,404.00 |
| 01/17/2012 | R$ 6.66 | R$ 6.56 | R$ 6.55 | R$ 6.66 | 14 | 11,000 | R$ 72,825.00 |
| 01/16/2012 | R$ 6.73 | R$ 6.60 | R$ 6.60 | R$ 6.73 | 11 | 3,000 | R$ 20,101.00 |
| 01/13/2012 | R$ 6.71 | R$ 6.69 | R$ 6.56 | R$ 6.71 | 10 | 3,600 | R$ 23,897.00 |
| 01/12/2012 | R$ 6.60 | R$ 6.60 | R$ 6.55 | R$ 6.75 | 27 | 11,400 | R$ 75,279.00 |
| 01/11/2012 | R$ 6.73 | R$ 6.73 | R$ 6.64 | R$ 6.73 | 4 | 400 | R$ 2,682.00 |
| 01/10/2012 | R$ 6.73 | R$ 6.77 | R$ 6.64 | R$ 6.77 | 15 | 4,400 | R$ 29,521.00 |
| 01/09/2012 | R$ 6.77 | R$ 6.71 | R$ 6.60 | R$ 6.77 | 11 | 3,600 | R$ 24,007.00 |
| 01/06/2012 | R$ 6.77 | R$ 6.77 | R$ 6.53 | R$ 6.77 | 10 | 5,900 | R$ 39,102.00 |
| 01/05/2012 | R$ 6.69 | R$ 6.77 | R$ 6.58 | R$ 6.77 | 6 | 900 | R$ 6,018.00 |
| 01/04/2012 | R$ 6.59 | R$ 6.76 | R$ 6.50 | R$ 6.79 | 14 | 3,300 | R$ 21,704.00 |
| 01/03/2012 | R$ 6.58 | R$ 6.54 | R$ 6.54 | R$ 6.73 | 26 | 6,700 | R$ 44,146.00 |
| 01/02/2012 | R$ 6.74 | R$ 6.80 | R$ 6.56 | R$ 6.98 | 10 | 2,300 | R$ 15,630.00 |