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                    Closing price on 5/15/2017
                 |  |  
    
        |           
                
                    | Open | 23.50 |  
                    | High | 23.60 |  
                    | Low | 23.20 |  
                    | Volume | 155,750 |  
                    | Split-adjusted Price | 10.28 |  
                
             | 
 |  CHP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/15/2017 | -0.50 / -2.08% | 23.50 | 23.60 | 23.20 | 23.50 | 23.44 | 10.28 | 155,750 |   |  
            | 5/12/2017 | -0.50 / -2.04% | 24.50 | 24.50 | 24.00 | 24.00 | 24.19 | 10.49 | 156,850 |   |  			
            | 5/11/2017 | +1.15 / +4.93% | 23.40 | 24.50 | 23.35 | 24.50 | 23.92 | 10.71 | 416,090 |   |  
            | 5/10/2017 | +0.05 / +0.21% | 23.30 | 23.45 | 23.20 | 23.35 | 23.34 | 10.21 | 64,290 |   |  			
            | 5/9/2017 | -0.20 / -0.85% | 23.50 | 23.60 | 23.00 | 23.30 | 23.35 | 10.19 | 136,940 |   |  
            | 5/8/2017 | +0.15 / +0.64% | 23.70 | 23.70 | 23.35 | 23.50 | 23.56 | 10.28 | 36,070 |   |  			
            | 5/5/2017 | -0.25 / -1.06% | 23.60 | 23.60 | 23.30 | 23.35 | 23.44 | 10.21 | 24,490 |   |  
            | 5/4/2017 | 0.00 / 0.00% | 23.80 | 23.80 | 23.60 | 23.60 | 23.71 | 10.32 | 157,600 |   |  			
            | 5/3/2017 | +0.80 / +3.51% | 22.80 | 23.85 | 22.80 | 23.60 | 23.35 | 10.32 | 131,100 |   |  
            | 4/28/2017 | +0.10 / +0.44% | 22.75 | 22.80 | 22.70 | 22.80 | 22.76 | 9.97 | 27,650 |   |  			
            | 4/27/2017 | +0.15 / +0.67% | 22.55 | 22.75 | 22.45 | 22.70 | 22.68 | 9.93 | 19,000 |   |  
            | 4/26/2017 | -0.10 / -0.44% | 22.65 | 22.70 | 22.50 | 22.55 | 22.61 | 9.86 | 29,880 |   |  			
            | 4/25/2017 | -0.10 / -0.44% | 22.75 | 23.00 | 22.65 | 22.65 | 22.77 | 9.90 | 45,840 |   |  
            | 4/24/2017 | -0.35 / -1.52% | 23.20 | 23.30 | 22.75 | 22.75 | 22.96 | 9.95 | 54,890 |   |  			
            | 4/21/2017 | -0.20 / -0.86% | 23.30 | 23.30 | 22.85 | 23.10 | 22.96 | 10.10 | 10,410 |   |  
            | 4/20/2017 | +0.70 / +3.10% | 22.75 | 23.40 | 22.75 | 23.30 | 23.22 | 10.19 | 110,550 |   |  			
            | 4/19/2017 | -0.15 / -0.66% | 22.65 | 22.75 | 22.60 | 22.60 | 22.65 | 9.88 | 27,990 |   |  
            | 4/18/2017 | -0.05 / -0.22% | 22.70 | 22.75 | 22.65 | 22.75 | 22.73 | 9.95 | 8,580 |   |  			
            | 4/17/2017 | -0.10 / -0.44% | 22.90 | 22.90 | 22.60 | 22.80 | 22.67 | 9.97 | 35,470 |   |  
            | 4/14/2017 | +0.10 / +0.44% | 22.80 | 22.90 | 22.50 | 22.90 | 22.63 | 10.01 | 25,760 |   |  			
            | 4/13/2017 | 0.00 / 0.00% | 22.70 | 22.90 | 22.70 | 22.80 | 22.87 | 9.97 | 15,000 |   |  
            | 4/12/2017 | +0.10 / +0.44% | 22.85 | 23.00 | 22.70 | 22.80 | 22.80 | 9.97 | 55,660 |   |  			
            | 4/11/2017 | -0.25 / -1.09% | 22.90 | 22.90 | 22.70 | 22.70 | 22.84 | 9.93 | 62,880 |   |  
            | 4/10/2017 | +0.05 / +0.22% | 22.90 | 22.95 | 22.90 | 22.95 | 22.93 | 10.04 | 48,080 |   |  			
            | 4/7/2017 | -0.05 / -0.22% | 22.90 | 22.90 | 22.90 | 22.90 | 22.90 | 10.01 | 38,470 |   |  
            | 4/5/2017 | +0.05 / +0.22% | 22.90 | 22.95 | 22.90 | 22.95 | 22.92 | 10.04 | 100,450 |   |  			
            | 4/4/2017 | -0.05 / -0.22% | 23.00 | 23.00 | 22.90 | 22.90 | 22.94 | 10.01 | 62,110 |   |  
            | 4/3/2017 | +0.05 / +0.22% | 22.90 | 23.00 | 22.90 | 22.95 | 22.96 | 10.04 | 26,000 |   |  			
            | 3/31/2017 | -0.05 / -0.22% | 23.00 | 23.10 | 22.90 | 22.90 | 23.02 | 10.01 | 17,640 |   |  
            | 3/30/2017 | -0.05 / -0.22% | 23.50 | 23.50 | 22.80 | 22.95 | 22.94 | 10.04 | 13,820 |   |  |