| 
    
        
            | 
                    Closing price on 5/16/2017
                 |  |  
    
        |           
                
                    | Open | 20.90 |  
                    | High | 21.65 |  
                    | Low | 20.35 |  
                    | Volume | 559,480 |  
                    | Split-adjusted Price | 13.16 |  
                
             | 
 |  HT1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/16/2017 | -0.50 / -2.39% | 20.90 | 21.65 | 20.35 | 20.40 | 20.51 | 13.16 | 559,480 |   |  
            | 5/15/2017 | -0.60 / -2.79% | 21.85 | 21.90 | 20.85 | 20.90 | 21.18 | 13.48 | 329,670 |   |  			
            | 5/12/2017 | +0.10 / +0.47% | 21.00 | 21.50 | 20.85 | 21.50 | 21.14 | 13.87 | 556,590 |   |  
            | 5/11/2017 | -0.35 / -1.61% | 21.60 | 21.85 | 21.20 | 21.40 | 21.48 | 13.80 | 380,560 |   |  			
            | 5/10/2017 | -0.25 / -1.14% | 21.85 | 22.00 | 21.70 | 21.75 | 21.81 | 14.03 | 205,710 |   |  
            | 5/9/2017 | -0.20 / -0.90% | 22.40 | 22.40 | 21.80 | 22.00 | 22.03 | 14.19 | 292,030 |   |  			
            | 5/8/2017 | 0.00 / 0.00% | 22.00 | 22.45 | 22.00 | 22.20 | 22.25 | 14.32 | 159,240 |   |  
            | 5/5/2017 | +0.20 / +0.91% | 22.20 | 22.20 | 21.90 | 22.20 | 22.06 | 14.32 | 132,890 |   |  			
            | 5/4/2017 | 0.00 / 0.00% | 21.80 | 22.30 | 21.75 | 22.00 | 22.02 | 14.19 | 357,430 |   |  
            | 5/3/2017 | -0.10 / -0.45% | 22.05 | 22.30 | 21.90 | 22.00 | 22.02 | 14.19 | 133,530 |   |  			
            | 4/28/2017 | -0.20 / -0.90% | 22.10 | 22.50 | 22.05 | 22.10 | 22.17 | 14.26 | 119,610 |   |  
            | 4/27/2017 | -0.10 / -0.45% | 22.50 | 22.90 | 22.00 | 22.30 | 22.29 | 14.39 | 295,820 |   |  			
            | 4/26/2017 | +0.20 / +0.90% | 22.20 | 22.50 | 21.90 | 22.40 | 22.28 | 14.45 | 161,770 |   |  
            | 4/25/2017 | -0.20 / -0.89% | 22.50 | 22.70 | 22.20 | 22.20 | 22.46 | 14.32 | 208,610 |   |  			
            | 4/24/2017 | -0.15 / -0.67% | 22.55 | 22.90 | 22.30 | 22.40 | 22.57 | 14.45 | 153,030 |   |  
            | 4/21/2017 | +0.15 / +0.67% | 22.40 | 23.10 | 22.40 | 22.55 | 22.77 | 14.55 | 255,710 |   |  			
            | 4/20/2017 | -0.40 / -1.75% | 22.50 | 22.90 | 22.20 | 22.40 | 22.52 | 14.45 | 516,270 |   |  
            | 4/19/2017 | +0.50 / +2.24% | 22.30 | 22.80 | 22.00 | 22.80 | 22.54 | 14.71 | 167,580 |   |  			
            | 4/18/2017 | -0.05 / -0.22% | 22.45 | 22.45 | 21.70 | 22.30 | 22.16 | 14.39 | 655,840 |   |  
            | 4/17/2017 | -0.65 / -2.83% | 22.95 | 23.70 | 22.35 | 22.35 | 22.84 | 14.42 | 255,200 |   |  			
            | 4/14/2017 | -0.80 / -3.36% | 23.60 | 23.60 | 22.55 | 23.00 | 23.08 | 14.84 | 611,180 |   |  
            | 4/13/2017 | 0.00 / 0.00% | 23.90 | 24.30 | 23.35 | 23.80 | 23.91 | 15.35 | 426,850 |   |  			
            | 4/12/2017 | -1.00 / -4.03% | 24.80 | 24.85 | 23.80 | 23.80 | 24.19 | 15.35 | 451,780 |   |  
            | 4/11/2017 | +1.20 / +5.08% | 23.60 | 24.80 | 23.60 | 24.80 | 24.43 | 16.00 | 797,140 |   |  			
            | 4/10/2017 | +0.65 / +2.83% | 22.75 | 23.80 | 22.75 | 23.60 | 23.42 | 15.22 | 585,600 |   |  
            | 4/7/2017 | -0.05 / -0.22% | 23.00 | 23.10 | 22.75 | 22.95 | 22.92 | 14.80 | 191,860 |   |  			
            | 4/5/2017 | +0.60 / +2.68% | 22.20 | 23.30 | 22.20 | 23.00 | 22.77 | 14.84 | 675,660 |   |  
            | 4/4/2017 | 0.00 / 0.00% | 22.50 | 22.50 | 22.15 | 22.40 | 22.30 | 14.45 | 395,980 |   |  			
            | 4/3/2017 | 0.00 / 0.00% | 22.60 | 22.60 | 22.00 | 22.40 | 22.34 | 14.45 | 163,580 |   |  
            | 3/31/2017 | -0.10 / -0.44% | 22.85 | 22.90 | 22.10 | 22.40 | 22.67 | 14.45 | 255,160 |   |  |