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            | 
                    Closing price on 1/31/2018
                 |  |  
    
        |           
                
                    | Open | 3.72 |  
                    | High | 3.79 |  
                    | Low | 3.70 |  
                    | Volume | 72,010 |  
                    | Split-adjusted Price | 3.67 |  
                
             | 
 |  UDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/31/2018 | -0.16 / -4.10% | 3.72 | 3.79 | 3.70 | 3.74 | 3.72 | 3.67 | 72,010 |   |  
            | 1/30/2018 | +0.05 / +1.30% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.83 | 10 |   |  			
            | 1/29/2018 | -0.05 / -1.28% | 3.90 | 3.90 | 3.70 | 3.85 | 3.82 | 3.78 | 14,390 |   |  
            | 1/26/2018 | +0.05 / +1.30% | 3.80 | 3.90 | 3.80 | 3.90 | 3.85 | 3.83 | 6,060 |   |  			
            | 1/25/2018 | -0.05 / -1.28% | 3.90 | 3.90 | 3.85 | 3.85 | 3.89 | 3.78 | 113,420 |   |  
            | 1/22/2018 | -0.29 / -6.92% | 4.19 | 4.19 | 3.90 | 3.90 | 3.91 | 3.83 | 93,520 |   |  			
            | 1/19/2018 | +0.19 / +4.75% | 4.19 | 4.19 | 3.90 | 4.19 | 4.19 | 4.11 | 80 |   |  
            | 1/18/2018 | -0.20 / -4.76% | 4.00 | 4.25 | 4.00 | 4.00 | 4.03 | 3.93 | 15,630 |   |  			
            | 1/17/2018 | +0.10 / +2.44% | 4.10 | 4.25 | 3.82 | 4.20 | 4.15 | 4.12 | 120,500 |   |  
            | 1/16/2018 | +0.24 / +6.22% | 3.81 | 4.13 | 3.81 | 4.10 | 3.99 | 4.02 | 75,120 |   |  			
            | 1/15/2018 | -0.02 / -0.52% | 3.93 | 3.93 | 3.85 | 3.86 | 3.89 | 3.79 | 20,820 |   |  
            | 1/12/2018 | +0.08 / +2.11% | 3.85 | 3.90 | 3.83 | 3.88 | 3.88 | 3.81 | 30,960 |   |  			
            | 1/11/2018 | +0.06 / +1.60% | 3.72 | 3.80 | 3.72 | 3.80 | 3.79 | 3.73 | 37,510 |   |  
            | 1/10/2018 | +0.02 / +0.54% | 3.70 | 3.79 | 3.70 | 3.74 | 3.71 | 3.67 | 35,580 |   |  			
            | 1/9/2018 | -0.03 / -0.80% | 3.84 | 3.84 | 3.65 | 3.72 | 3.70 | 3.65 | 38,940 |   |  
            | 1/8/2018 | +0.02 / +0.54% | 3.78 | 3.79 | 3.70 | 3.75 | 3.76 | 3.68 | 44,190 |   |  			
            | 1/5/2018 | -0.01 / -0.27% | 3.74 | 3.74 | 3.65 | 3.73 | 3.72 | 3.66 | 12,900 |   |  
            | 1/4/2018 | +0.01 / +0.27% | 3.70 | 3.74 | 3.70 | 3.74 | 3.71 | 3.67 | 8,350 |   |  			
            | 1/3/2018 | -0.06 / -1.58% | 3.71 | 3.79 | 3.71 | 3.73 | 3.73 | 3.66 | 32,730 |   |  
            | 1/2/2018 | +0.04 / +1.07% | 3.75 | 3.79 | 3.75 | 3.79 | 3.77 | 3.72 | 7,750 |   |  			
            | 12/29/2017 | -0.02 / -0.53% | 3.71 | 3.75 | 3.70 | 3.75 | 3.73 | 3.68 | 5,360 |   |  
            | 12/28/2017 | +0.04 / +1.07% | 3.83 | 3.83 | 3.77 | 3.77 | 3.78 | 3.70 | 5,020 |   |  			
            | 12/27/2017 | +0.04 / +1.08% | 3.67 | 3.73 | 3.67 | 3.73 | 3.69 | 3.66 | 19,530 |   |  
            | 12/26/2017 | -0.05 / -1.34% | 3.70 | 3.79 | 3.69 | 3.69 | 3.72 | 3.62 | 11,120 |   |  			
            | 12/25/2017 | +0.01 / +0.27% | 3.70 | 3.74 | 3.70 | 3.74 | 3.72 | 3.67 | 1,010 |   |  
            | 12/22/2017 | +0.03 / +0.81% | 3.70 | 3.74 | 3.70 | 3.73 | 3.71 | 3.66 | 34,000 |   |  			
            | 12/21/2017 | 0.00 / 0.00% | 3.71 | 3.71 | 3.70 | 3.70 | 3.71 | 3.63 | 6,820 |   |  
            | 12/20/2017 | +0.02 / +0.54% | 3.70 | 3.75 | 3.67 | 3.70 | 3.70 | 3.63 | 66,950 |   |  			
            | 12/19/2017 | -0.06 / -1.60% | 3.70 | 3.80 | 3.67 | 3.68 | 3.73 | 3.61 | 13,680 |   |  
            | 12/18/2017 | +0.01 / +0.27% | 3.84 | 3.84 | 3.69 | 3.74 | 3.70 | 3.67 | 61,850 |   |  |