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            | 
                    Closing price on 2/1/2016
                 |  |  
    
        |           
                
                    | Open | 26.60 |  
                    | High | 26.80 |  
                    | Low | 25.80 |  
                    | Volume | 252,000 |  
                    | Split-adjusted Price | 16.78 |  
                
             | 
 |  DST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/1/2016 | -0.10 / -0.38% | 26.60 | 26.80 | 25.80 | 26.10 | 26.19 | 16.78 | 252,000 |   |  
            | 1/29/2016 | 0.00 / 0.00% | 26.20 | 26.60 | 25.70 | 26.20 | 26.22 | 16.85 | 195,900 |   |  			
            | 1/28/2016 | +0.20 / +0.77% | 25.80 | 26.30 | 25.40 | 26.20 | 26.00 | 16.85 | 207,300 |   |  
            | 1/27/2016 | -0.30 / -1.14% | 26.30 | 26.50 | 26.00 | 26.00 | 26.30 | 16.72 | 221,600 |   |  			
            | 1/26/2016 | -0.10 / -0.38% | 26.20 | 26.40 | 25.70 | 26.30 | 26.29 | 16.91 | 248,300 |   |  
            | 1/25/2016 | +0.50 / +1.93% | 25.90 | 26.40 | 25.50 | 26.40 | 26.10 | 16.98 | 364,700 |   |  			
            | 1/22/2016 | -0.20 / -0.77% | 26.30 | 26.60 | 25.50 | 25.90 | 26.03 | 16.66 | 228,200 |   |  
            | 1/21/2016 | -0.10 / -0.38% | 26.50 | 26.50 | 25.70 | 26.10 | 26.12 | 16.78 | 218,800 |   |  			
            | 1/20/2016 | +0.20 / +0.77% | 25.80 | 26.20 | 25.60 | 26.20 | 26.00 | 16.85 | 242,500 |   |  
            | 1/19/2016 | 0.00 / 0.00% | 26.00 | 26.10 | 25.50 | 26.00 | 26.00 | 16.72 | 212,500 |   |  			
            | 1/18/2016 | 0.00 / 0.00% | 25.90 | 26.10 | 25.80 | 26.00 | 25.97 | 16.72 | 258,000 |   |  
            | 1/15/2016 | -0.10 / -0.38% | 26.10 | 26.10 | 25.60 | 26.00 | 26.00 | 16.72 | 370,500 |   |  			
            | 1/14/2016 | +0.30 / +1.16% | 25.80 | 26.20 | 25.80 | 26.10 | 25.92 | 16.78 | 268,000 |   |  
            | 1/13/2016 | -0.10 / -0.39% | 26.00 | 26.00 | 25.50 | 25.80 | 25.71 | 16.59 | 316,300 |   |  			
            | 1/12/2016 | +0.10 / +0.39% | 25.60 | 25.90 | 25.10 | 25.90 | 25.70 | 16.66 | 389,500 |   |  
            | 1/11/2016 | +0.30 / +1.18% | 25.40 | 25.90 | 24.90 | 25.80 | 25.57 | 16.59 | 390,400 |   |  			
            | 1/8/2016 | +0.20 / +0.79% | 25.30 | 25.50 | 25.00 | 25.50 | 25.30 | 16.40 | 453,900 |   |  
            | 1/7/2016 | +0.10 / +0.40% | 25.30 | 25.30 | 24.90 | 25.30 | 25.10 | 16.27 | 412,700 |   |  			
            | 1/6/2016 | 0.00 / 0.00% | 25.60 | 25.80 | 24.90 | 25.20 | 25.11 | 16.20 | 393,400 |   |  
            | 1/5/2016 | +0.20 / +0.80% | 25.00 | 25.30 | 24.80 | 25.20 | 25.00 | 16.20 | 554,500 |   |  			
            | 1/4/2016 | -0.20 / -0.79% | 25.20 | 25.20 | 24.70 | 25.00 | 25.05 | 16.08 | 828,500 |   |  
            | 12/31/2015 | 0.00 / 0.00% | 25.20 | 25.50 | 24.90 | 25.20 | 25.20 | 16.20 | 508,900 |   |  			
            | 12/30/2015 | +0.40 / +1.61% | 24.80 | 25.50 | 24.40 | 25.20 | 25.08 | 16.20 | 817,177 |   |  
            | 12/29/2015 | +0.10 / +0.40% | 24.70 | 24.80 | 24.00 | 24.80 | 24.77 | 15.95 | 402,300 |   |  			
            | 12/28/2015 | -0.80 / -3.14% | 25.50 | 25.70 | 24.70 | 24.70 | 25.12 | 15.88 | 481,700 |   |  
            | 12/25/2015 | -0.40 / -1.54% | 25.90 | 28.40 | 25.20 | 25.50 | 26.76 | 16.40 | 528,500 |   |  			
            | 12/24/2015 | +0.60 / +2.37% | 25.30 | 26.10 | 24.90 | 25.90 | 25.74 | 16.66 | 449,900 |   |  
            | 12/23/2015 | +0.60 / +2.43% | 24.60 | 25.30 | 24.60 | 25.30 | 25.10 | 16.27 | 478,300 |   |  			
            | 12/22/2015 | +2.20 / +9.78% | 22.40 | 24.70 | 22.40 | 24.70 | 24.51 | 15.88 | 714,600 |   |  
            | 12/21/2015 | +0.50 / +2.27% | 22.00 | 22.60 | 21.60 | 22.50 | 22.28 | 14.47 | 509,800 |   |  |