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                    Closing price on 12/17/2012
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                    | Open | 7.30 |  
                    | High | 7.30 |  
                    | Low | 7.10 |  
                    | Volume | 103,700 |  
                    | Split-adjusted Price | 3.19 |  
                
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 |  SD2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/17/2012 | -0.10 / -1.37% | 7.30 | 7.30 | 7.10 | 7.20 | 7.18 | 3.19 | 103,700 |   |  
            | 12/14/2012 | +0.10 / +1.39% | 7.20 | 7.30 | 7.10 | 7.30 | 7.18 | 3.23 | 62,900 |   |  			
            | 12/13/2012 | -0.20 / -2.70% | 7.40 | 7.40 | 7.10 | 7.20 | 7.25 | 3.19 | 55,533 |   |  
            | 12/12/2012 | 0.00 / 0.00% | 7.40 | 7.40 | 7.20 | 7.40 | 7.28 | 3.28 | 87,000 |   |  			
            | 12/11/2012 | -0.10 / -1.33% | 7.40 | 7.50 | 7.40 | 7.40 | 7.40 | 3.28 | 72,700 |   |  
            | 12/10/2012 | 0.00 / 0.00% | 7.60 | 7.60 | 7.40 | 7.50 | 7.50 | 3.32 | 45,000 |   |  			
            | 12/7/2012 | +0.20 / +2.74% | 7.80 | 7.80 | 7.40 | 7.50 | 7.64 | 3.32 | 212,100 |   |  
            | 12/6/2012 | +0.30 / +4.29% | 6.50 | 7.30 | 6.50 | 7.30 | 7.24 | 3.23 | 163,400 |   |  			
            | 12/5/2012 | +0.30 / +4.48% | 7.10 | 7.10 | 6.70 | 7.00 | 6.82 | 3.10 | 14,000 |   |  
            | 12/4/2012 | 0.00 / 0.00% | 6.60 | 6.70 | 6.50 | 6.70 | 6.57 | 2.97 | 1,700 |   |  			
            | 12/3/2012 | +0.10 / +1.52% | 6.20 | 6.70 | 6.20 | 6.70 | 6.41 | 2.97 | 12,200 |   |  
            | 11/30/2012 | 0.00 / 0.00% | 6.50 | 6.60 | 6.50 | 6.60 | 6.54 | 2.92 | 7,000 |   |  			
            | 11/29/2012 | +0.10 / +1.54% | 6.60 | 6.60 | 6.50 | 6.60 | 6.50 | 2.92 | 17,313 |   |  
            | 11/28/2012 | +0.30 / +4.84% | 6.20 | 6.50 | 6.20 | 6.50 | 6.33 | 2.88 | 36,100 |   |  			
            | 11/27/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.20 | 6.10 | 2.74 | 4,400 |   |  
            | 11/26/2012 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 2.74 | 7,000 |   |  			
            | 11/23/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.20 | 6.17 | 2.74 | 23,700 |   |  
            | 11/22/2012 | +0.20 / +3.33% | 6.10 | 6.20 | 6.00 | 6.20 | 6.09 | 2.74 | 18,400 |   |  			
            | 11/21/2012 | -0.10 / -1.64% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 23,100 |   |  
            | 11/20/2012 | 0.00 / 0.00% | 6.10 | 6.10 | 6.00 | 6.10 | 6.00 | 2.70 | 12,500 |   |  			
            | 11/19/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.10 | 6.10 | 2.70 | 19,900 |   |  
            | 11/16/2012 | +0.10 / +1.67% | 6.10 | 6.10 | 6.00 | 6.10 | 6.06 | 2.70 | 1,400 |   |  			
            | 11/15/2012 | +0.10 / +1.69% | 6.00 | 6.00 | 5.90 | 6.00 | 5.92 | 2.66 | 19,800 |   |  
            | 11/14/2012 | -0.20 / -3.28% | 6.00 | 6.10 | 5.90 | 5.90 | 5.93 | 2.61 | 20,300 |   |  			
            | 11/13/2012 | 0.00 / 0.00% | 6.10 | 6.10 | 6.00 | 6.10 | 6.07 | 2.70 | 11,300 |   |  
            | 11/12/2012 | +0.10 / +1.67% | 6.30 | 6.30 | 6.00 | 6.10 | 6.02 | 2.70 | 14,600 |   |  			
            | 11/9/2012 | 0.00 / 0.00% | 5.90 | 6.00 | 5.90 | 6.00 | 5.92 | 2.66 | 1,600 |   |  
            | 11/8/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 4,900 |   |  			
            | 11/7/2012 | 0.00 / 0.00% | 6.00 | 6.10 | 6.00 | 6.00 | 6.06 | 2.66 | 1,700 |   |  
            | 11/6/2012 | +0.20 / +3.45% | 5.70 | 6.00 | 5.70 | 6.00 | 5.72 | 2.66 | 6,600 |   |  |