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                    Closing price on 6/6/2013
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        |           
                
                    | Open | 5.40 |  
                    | High | 5.90 |  
                    | Low | 5.40 |  
                    | Volume | 16,300 |  
                    | Split-adjusted Price | 3.22 |  
                
             | 
 |  DST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/6/2013 | +0.50 / +9.26% | 5.40 | 5.90 | 5.40 | 5.90 | 5.90 | 3.22 | 16,300 |   |  
            | 6/5/2013 | -0.50 / -8.47% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 2.95 | 100 |   |  			
            | 6/4/2013 | 0.00 / 0.00% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 3.22 | 0 |   |  
            | 6/3/2013 | +0.10 / +1.72% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 3.22 | 6,200 |   |  			
            | 5/31/2013 | +0.50 / +9.43% | 4.80 | 5.80 | 4.80 | 5.80 | 5.80 | 3.17 | 17,600 |   |  
            | 5/30/2013 | 0.00 / 0.00% | 5.30 | 5.30 | 5.30 | 5.30 | 5.30 | 2.89 | 0 |   |  			
            | 5/29/2013 | -0.10 / -1.85% | 5.30 | 5.30 | 5.30 | 5.30 | 5.30 | 2.89 | 3,600 |   |  
            | 5/28/2013 | +0.30 / +5.88% | 5.00 | 5.40 | 4.60 | 5.40 | 5.40 | 2.95 | 7,100 |   |  			
            | 5/27/2013 | +0.20 / +4.08% | 4.50 | 5.10 | 4.50 | 5.10 | 5.10 | 2.78 | 200 |   |  
            | 5/24/2013 | +0.20 / +4.26% | 4.70 | 4.90 | 4.50 | 4.90 | 4.90 | 2.67 | 10,500 |   |  			
            | 5/23/2013 | +0.20 / +4.44% | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 2.57 | 100 |   |  
            | 5/22/2013 | +0.10 / +2.27% | 4.70 | 4.70 | 4.40 | 4.50 | 4.50 | 2.46 | 46,800 |   |  			
            | 5/21/2013 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 2.40 | 200 |   |  
            | 5/20/2013 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 2.40 | 0 |   |  			
            | 5/17/2013 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 2.40 | 0 |   |  
            | 5/16/2013 | -0.10 / -2.22% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 2.40 | 300 |   |  			
            | 5/15/2013 | -0.20 / -4.26% | 4.30 | 4.70 | 4.30 | 4.50 | 4.50 | 2.46 | 3,700 |   |  
            | 5/14/2013 | 0.00 / 0.00% | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 2.57 | 0 |   |  			
            | 5/13/2013 | +0.10 / +2.17% | 4.60 | 4.70 | 4.30 | 4.70 | 4.70 | 2.57 | 2,300 |   |  
            | 5/10/2013 | +0.40 / +9.52% | 4.10 | 4.60 | 3.80 | 4.60 | 4.60 | 2.51 | 6,200 |   |  			
            | 5/9/2013 | -0.50 / -10.64% | 4.20 | 4.90 | 4.20 | 4.20 | 4.20 | 2.29 | 3,100 |   |  
            | 5/8/2013 | +0.20 / +4.44% | 4.10 | 4.70 | 4.10 | 4.70 | 4.70 | 2.57 | 800 |   |  			
            | 5/7/2013 | +0.40 / +9.76% | 3.70 | 4.50 | 3.70 | 4.50 | 4.50 | 2.46 | 1,300 |   |  
            | 5/6/2013 | -0.40 / -8.89% | 3.70 | 4.10 | 3.70 | 4.10 | 4.10 | 2.24 | 1,800 |   |  			
            | 5/3/2013 | +0.40 / +9.76% | 4.50 | 4.50 | 3.70 | 4.50 | 4.50 | 2.46 | 2,300 |   |  
            | 5/2/2013 | -0.40 / -8.89% | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 2.24 | 100 |   |  			
            | 4/26/2013 | -0.50 / -10.00% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 2.46 | 3,000 |   |  
            | 4/25/2013 | 0.00 / 0.00% | 4.50 | 5.00 | 4.50 | 5.00 | 5.00 | 2.73 | 600 |   |  			
            | 4/24/2013 | +0.30 / +6.38% | 4.30 | 5.00 | 4.30 | 5.00 | 5.00 | 2.73 | 5,200 |   |  
            | 4/23/2013 | +0.30 / +6.82% | 4.10 | 4.80 | 4.00 | 4.70 | 4.70 | 2.57 | 7,600 |   |  |