| 
                 
                    Closing price on 4/1/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.80 | 
                 
                
                    | High | 
                    4.10 | 
                 
                
                    | Low | 
                    3.80 | 
                     
                
                    | Volume | 
                    26,610 | 
                                 
                
                    | Split-adjusted Price | 
                    4.02 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
UDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/1/2013
             | 
            
                +0.20 / +5.13%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.02
             |                                 
            
                26,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                -0.10 / -2.50%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                3.83
             |                                 
            
                38,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                -0.20 / -4.76%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                3.93
             |                                 
            
                24,930
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.12
             |                                 
            
                19,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.12
             |                                 
            
                41,120
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.12
             |                                 
            
                33,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.12
             |                                 
            
                13,230
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                -0.10 / -2.33%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.12
             |                                 
            
                12,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                +0.20 / +4.88%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.22
             |                                 
            
                589,790
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                -0.30 / -6.82%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.02
             |                                 
            
                144,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                -0.10 / -2.22%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.32
             |                                 
            
                28,050
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.42
             |                                 
            
                39,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.42
             |                                 
            
                655,590
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                -0.20 / -4.26%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.42
             |                                 
            
                76,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.61
             |                                 
            
                100,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                +0.10 / +2.17%
             |             
            
                4.40
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.61
             |                                 
            
                691,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                73,050
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.61
             |                                 
            
                165,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.10 / +2.17%
             |             
            
                4.30
             |           
            
                4.70
             |               
            
                4.30
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.61
             |                                 
            
                109,840
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                83,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                +0.20 / +4.55%
             |             
            
                4.40
             |           
            
                4.70
             |               
            
                4.10
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                341,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.32
             |                                 
            
                31,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.42
             |                                 
            
                651,220
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                +0.10 / +2.33%
             |             
            
                4.10
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.32
             |                                 
            
                35,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.30 / -6.52%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.22
             |                                 
            
                38,220
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +0.30 / +6.98%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                661,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                -0.30 / -6.52%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.22
             |                                 
            
                141,390
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -0.10 / -2.13%
             |             
            
                4.60
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                132,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                +0.10 / +2.17%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.61
             |                                 
            
                89,180
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.51
             |                                 
            
                84,640
             |  
            
                 
             |                                                              
             
    
         
    
    
 |