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                    Closing price on 9/28/2017
                 |  |  
    
        |           
                
                    | Open | 34.50 |  
                    | High | 34.60 |  
                    | Low | 32.90 |  
                    | Volume | 652,800 |  
                    | Split-adjusted Price | 33.00 |  
                
             | 
 |  DST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/28/2017 | -1.50 / -4.35% | 34.50 | 34.60 | 32.90 | 33.00 | 33.65 | 33.00 | 652,800 |   |  
            | 9/27/2017 | -1.30 / -3.63% | 35.80 | 36.10 | 33.90 | 34.50 | 34.99 | 34.50 | 782,400 |   |  			
            | 9/26/2017 | +0.20 / +0.56% | 35.60 | 36.30 | 35.40 | 35.80 | 35.89 | 35.80 | 566,200 |   |  
            | 9/25/2017 | +0.40 / +1.14% | 35.10 | 36.00 | 35.00 | 35.60 | 35.62 | 35.60 | 620,800 |   |  			
            | 9/22/2017 | +0.40 / +1.15% | 34.70 | 35.30 | 34.70 | 35.20 | 35.14 | 35.20 | 562,223 |   |  
            | 9/21/2017 | +0.10 / +0.29% | 34.70 | 35.10 | 34.30 | 34.80 | 34.69 | 34.80 | 614,510 |   |  			
            | 9/20/2017 | -0.20 / -0.57% | 34.90 | 34.90 | 34.10 | 34.70 | 34.41 | 34.70 | 1,075,700 |   |  
            | 9/19/2017 | -0.30 / -0.85% | 35.20 | 35.20 | 34.70 | 34.90 | 34.89 | 34.90 | 660,900 |   |  			
            | 9/18/2017 | -0.60 / -1.68% | 35.70 | 36.40 | 34.90 | 35.20 | 35.75 | 35.20 | 901,340 |   |  
            | 9/15/2017 | +0.60 / +1.70% | 35.50 | 36.50 | 35.10 | 35.80 | 35.87 | 35.80 | 965,300 |   |  			
            | 9/14/2017 | +3.20 / +10.00% | 32.00 | 35.20 | 32.00 | 35.20 | 33.67 | 35.20 | 2,503,700 |   |  
            | 9/13/2017 | -1.00 / -3.03% | 32.90 | 33.10 | 31.90 | 32.00 | 32.39 | 32.00 | 221,500 |   |  			
            | 9/12/2017 | +2.40 / +7.84% | 30.60 | 33.00 | 30.50 | 33.00 | 31.86 | 33.00 | 1,033,323 |   |  
            | 9/11/2017 | -0.30 / -0.97% | 30.80 | 30.90 | 30.50 | 30.60 | 30.66 | 30.60 | 111,700 |   |  			
            | 9/8/2017 | -0.60 / -1.90% | 31.40 | 31.50 | 30.90 | 30.90 | 31.08 | 30.90 | 165,900 |   |  
            | 9/7/2017 | +0.50 / +1.61% | 30.90 | 31.60 | 30.40 | 31.50 | 31.10 | 31.50 | 326,400 |   |  			
            | 9/6/2017 | +0.90 / +2.99% | 29.80 | 31.10 | 29.70 | 31.00 | 30.67 | 31.00 | 436,500 |   |  
            | 9/5/2017 | +0.80 / +2.73% | 29.20 | 30.10 | 29.00 | 30.10 | 29.69 | 30.10 | 425,900 |   |  			
            | 9/1/2017 | -1.10 / -3.62% | 30.40 | 30.40 | 29.20 | 29.30 | 29.43 | 29.30 | 333,402 |   |  
            | 8/31/2017 | -0.50 / -1.62% | 30.90 | 30.90 | 30.30 | 30.40 | 30.46 | 30.40 | 181,100 |   |  			
            | 8/30/2017 | +2.80 / +9.96% | 28.10 | 30.90 | 28.10 | 30.90 | 30.09 | 30.90 | 1,487,298 |   |  
            | 8/29/2017 | -0.40 / -1.40% | 28.40 | 28.50 | 27.90 | 28.10 | 28.13 | 28.10 | 185,300 |   |  			
            | 8/28/2017 | +1.00 / +3.64% | 27.50 | 28.50 | 27.10 | 28.50 | 27.94 | 28.50 | 349,400 |   |  
            | 8/25/2017 | -0.50 / -1.79% | 28.00 | 28.40 | 27.00 | 27.50 | 27.70 | 27.50 | 344,300 |   |  			
            | 8/24/2017 | -0.80 / -2.78% | 28.80 | 28.80 | 27.50 | 28.00 | 28.08 | 28.00 | 335,900 |   |  
            | 8/23/2017 | +0.30 / +1.05% | 28.50 | 29.00 | 28.40 | 28.80 | 28.70 | 28.80 | 537,100 |   |  			
            | 8/22/2017 | +1.50 / +5.56% | 27.00 | 28.60 | 26.90 | 28.50 | 27.93 | 28.50 | 605,470 |   |  
            | 8/21/2017 | -0.60 / -2.17% | 27.60 | 27.70 | 26.40 | 27.00 | 26.91 | 27.00 | 405,200 |   |  			
            | 8/18/2017 | -0.90 / -3.16% | 28.50 | 28.60 | 27.00 | 27.60 | 27.60 | 27.60 | 701,600 |   |  
            | 8/17/2017 | -2.40 / -7.77% | 30.80 | 31.00 | 28.10 | 28.50 | 29.04 | 28.50 | 1,032,600 |   |  |