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            | 
                    Closing price on 6/7/2013
                 |  |  
    
        |           
                
                    | Open | 4.10 |  
                    | High | 4.10 |  
                    | Low | 3.80 |  
                    | Volume | 41,210 |  
                    | Split-adjusted Price | 3.83 |  
                
             | 
 |  UDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/7/2013 | -0.10 / -2.50% | 4.10 | 4.10 | 3.80 | 3.90 | 3.90 | 3.83 | 41,210 |   |  
            | 6/6/2013 | 0.00 / 0.00% | 3.90 | 4.00 | 3.80 | 4.00 | 4.00 | 3.93 | 55,890 |   |  			
            | 6/5/2013 | 0.00 / 0.00% | 4.00 | 4.00 | 3.80 | 4.00 | 4.00 | 3.93 | 4,660 |   |  
            | 6/4/2013 | -0.10 / -2.44% | 4.20 | 4.20 | 4.00 | 4.00 | 4.00 | 3.93 | 5,830 |   |  			
            | 6/3/2013 | -0.20 / -4.65% | 4.20 | 4.30 | 4.10 | 4.10 | 4.10 | 4.02 | 56,840 |   |  
            | 5/31/2013 | +0.20 / +4.88% | 4.10 | 4.30 | 3.90 | 4.30 | 4.30 | 4.22 | 129,620 |   |  			
            | 5/30/2013 | +0.20 / +5.13% | 3.90 | 4.10 | 3.90 | 4.10 | 4.10 | 4.02 | 142,540 |   |  
            | 5/29/2013 | 0.00 / 0.00% | 3.90 | 4.00 | 3.80 | 3.90 | 3.90 | 3.83 | 89,300 |   |  			
            | 5/28/2013 | +0.20 / +5.41% | 3.70 | 3.90 | 3.70 | 3.90 | 3.90 | 3.83 | 253,280 |   |  
            | 5/27/2013 | +0.10 / +2.78% | 3.70 | 3.80 | 3.70 | 3.70 | 3.70 | 3.63 | 59,320 |   |  			
            | 5/24/2013 | -0.20 / -5.26% | 3.60 | 3.70 | 3.60 | 3.60 | 3.60 | 3.53 | 97,110 |   |  
            | 5/23/2013 | +0.10 / +2.70% | 3.70 | 3.80 | 3.70 | 3.80 | 3.80 | 3.73 | 11,200 |   |  			
            | 5/22/2013 | 0.00 / 0.00% | 3.90 | 3.90 | 3.70 | 3.70 | 3.70 | 3.63 | 78,080 |   |  
            | 5/21/2013 | +0.20 / +5.71% | 3.60 | 3.70 | 3.60 | 3.70 | 3.70 | 3.63 | 199,050 |   |  			
            | 5/20/2013 | -0.10 / -2.78% | 3.60 | 3.60 | 3.50 | 3.50 | 3.50 | 3.43 | 35,840 |   |  
            | 5/17/2013 | 0.00 / 0.00% | 3.60 | 3.60 | 3.50 | 3.60 | 3.60 | 3.53 | 22,430 |   |  			
            | 5/16/2013 | +0.10 / +2.86% | 3.60 | 3.60 | 3.60 | 3.60 | 3.60 | 3.53 | 3,120 |   |  
            | 5/15/2013 | -0.10 / -2.78% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.43 | 10,090 |   |  			
            | 5/14/2013 | 0.00 / 0.00% | 3.70 | 3.70 | 3.60 | 3.60 | 3.60 | 3.53 | 1,110 |   |  
            | 5/13/2013 | +0.10 / +2.86% | 3.60 | 3.70 | 3.50 | 3.60 | 3.60 | 3.53 | 8,510 |   |  			
            | 5/10/2013 | -0.20 / -5.41% | 3.70 | 3.70 | 3.50 | 3.50 | 3.50 | 3.43 | 47,590 |   |  
            | 5/9/2013 | 0.00 / 0.00% | 3.60 | 3.80 | 3.50 | 3.70 | 3.70 | 3.63 | 16,420 |   |  			
            | 5/8/2013 | -0.10 / -2.63% | 3.60 | 3.90 | 3.60 | 3.70 | 3.70 | 3.63 | 66,550 |   |  
            | 5/7/2013 | -0.20 / -5.00% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 3.73 | 13,160 |   |  			
            | 5/6/2013 | +0.10 / +2.56% | 4.00 | 4.00 | 3.90 | 4.00 | 4.00 | 3.93 | 7,090 |   |  
            | 5/3/2013 | +0.10 / +2.63% | 3.70 | 3.90 | 3.70 | 3.90 | 3.90 | 3.83 | 11,100 |   |  			
            | 5/2/2013 | +0.20 / +5.56% | 3.60 | 3.80 | 3.60 | 3.80 | 3.80 | 3.73 | 21,650 |   |  
            | 4/26/2013 | -0.10 / -2.70% | 3.70 | 3.70 | 3.60 | 3.60 | 3.60 | 3.53 | 14,630 |   |  			
            | 4/25/2013 | 0.00 / 0.00% | 3.60 | 3.80 | 3.60 | 3.70 | 3.70 | 3.63 | 8,600 |   |  
            | 4/24/2013 | 0.00 / 0.00% | 3.50 | 3.70 | 3.50 | 3.70 | 3.70 | 3.63 | 4,110 |   |  |