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                    Closing price on 7/24/2012
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                    | Open | 4.10 |  
                    | High | 4.10 |  
                    | Low | 4.00 |  
                    | Volume | 23,400 |  
                    | Split-adjusted Price | 3.65 |  
                
             | 
 |  SD3 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/24/2012 | -0.10 / -2.38% | 4.10 | 4.10 | 4.00 | 4.10 | 4.00 | 3.65 | 23,400 |   |  
            | 7/23/2012 | 0.00 / 0.00% | 4.20 | 4.20 | 4.10 | 4.20 | 4.10 | 3.74 | 18,800 |   |  			
            | 7/20/2012 | 0.00 / 0.00% | 4.40 | 4.40 | 4.20 | 4.20 | 4.30 | 3.74 | 57,700 |   |  
            | 7/19/2012 | +0.20 / +5.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.10 | 3.74 | 76,600 |   |  			
            | 7/18/2012 | -0.20 / -4.76% | 4.10 | 4.20 | 4.00 | 4.00 | 4.00 | 3.56 | 42,200 |   |  
            | 7/17/2012 | +0.20 / +5.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.10 | 3.74 | 9,100 |   |  			
            | 7/16/2012 | -0.10 / -2.44% | 4.30 | 4.30 | 4.00 | 4.00 | 4.10 | 3.56 | 12,700 |   |  
            | 7/13/2012 | 0.00 / 0.00% | 4.10 | 4.20 | 3.90 | 4.10 | 4.00 | 3.65 | 55,200 |   |  			
            | 7/12/2012 | +0.10 / +2.50% | 4.00 | 4.10 | 4.00 | 4.10 | 4.00 | 3.65 | 11,300 |   |  
            | 7/11/2012 | 0.00 / 0.00% | 4.00 | 4.10 | 4.00 | 4.00 | 4.00 | 3.56 | 2,100 |   |  			
            | 7/10/2012 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 3.80 | 3.56 | 12,400 |   |  
            | 7/9/2012 | -0.20 / -4.76% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 3.56 | 4,100 |   |  			
            | 7/6/2012 | 0.00 / 0.00% | 4.10 | 4.30 | 4.10 | 4.30 | 4.10 | 3.83 | 26,500 |   |  
            | 7/5/2012 | +0.10 / +2.38% | 4.30 | 4.30 | 3.90 | 4.30 | 4.10 | 3.83 | 14,000 |   |  			
            | 7/4/2012 | 0.00 / 0.00% | 4.20 | 4.20 | 4.00 | 4.20 | 4.10 | 3.74 | 29,200 |   |  
            | 7/3/2012 | -0.20 / -4.55% | 4.20 | 4.50 | 4.00 | 4.20 | 4.00 | 3.74 | 67,400 |   |  			
            | 7/2/2012 | 0.00 / 0.00% | 4.20 | 4.50 | 4.10 | 4.40 | 4.30 | 3.91 | 20,100 |   |  
            | 6/29/2012 | 0.00 / 0.00% | 4.50 | 4.50 | 4.40 | 4.40 | 4.40 | 3.91 | 41,000 |   |  			
            | 6/28/2012 | -0.20 / -4.35% | 4.10 | 4.40 | 4.10 | 4.40 | 4.40 | 3.91 | 50,900 |   |  
            | 6/27/2012 | +0.10 / +2.22% | 4.60 | 4.60 | 4.20 | 4.60 | 4.30 | 4.09 | 35,500 |   |  			
            | 6/26/2012 | -0.10 / -2.17% | 4.40 | 4.60 | 4.30 | 4.50 | 4.30 | 4.00 | 26,700 |   |  
            | 6/25/2012 | -0.10 / -2.13% | 4.60 | 4.80 | 4.50 | 4.60 | 4.50 | 4.09 | 25,700 |   |  			
            | 6/22/2012 | 0.00 / 0.00% | 4.80 | 4.80 | 4.50 | 4.80 | 4.70 | 4.27 | 3,400 |   |  
            | 6/21/2012 | +0.20 / +4.35% | 4.70 | 4.80 | 4.60 | 4.80 | 4.70 | 4.27 | 3,400 |   |  			
            | 6/20/2012 | -0.30 / -6.12% | 4.80 | 4.90 | 4.60 | 4.60 | 4.60 | 4.09 | 21,400 |   |  
            | 6/19/2012 | -0.10 / -2.00% | 5.00 | 5.00 | 4.80 | 4.90 | 4.90 | 4.36 | 6,100 |   |  			
            | 6/18/2012 | +0.10 / +2.04% | 5.00 | 5.00 | 4.80 | 5.00 | 4.90 | 4.45 | 23,500 |   |  
            | 6/15/2012 | 0.00 / 0.00% | 5.00 | 5.00 | 4.80 | 5.00 | 4.95 | 4.45 | 85,400 |   |  			
            | 6/14/2012 | +0.20 / +4.17% | 4.80 | 5.00 | 4.60 | 5.00 | 4.70 | 4.45 | 36,200 |   |  
            | 6/13/2012 | -0.20 / -4.00% | 5.00 | 5.00 | 4.80 | 4.80 | 4.80 | 4.27 | 42,100 |   |  |