| 
                 
                    Closing price on 5/23/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.00 | 
                 
                
                    | High | 
                    8.00 | 
                 
                
                    | Low | 
                    7.70 | 
                     
                
                    | Volume | 
                    31,300 | 
                                 
                
                    | Split-adjusted Price | 
                    2.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
EBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.80
             |                                 
            
                31,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                +0.40 / +5.33%
             |             
            
                7.70
             |           
            
                8.10
             |               
            
                7.60
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.80
             |                                 
            
                191,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2013
             | 
            
                +0.10 / +1.35%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.65
             |                                 
            
                56,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2013
             | 
            
                -0.10 / -1.33%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.62
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2013
             | 
            
                -0.30 / -3.85%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.65
             |                                 
            
                52,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.76
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.76
             |                                 
            
                8,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -1.10 / -12.36%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.76
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2013
             | 
            
                -0.10 / -1.11%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.80
             |                                 
            
                120,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.83
             |                                 
            
                71,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2013
             | 
            
                +0.10 / +1.12%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.83
             |                                 
            
                102,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                +0.10 / +1.14%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.80
             |                                 
            
                235,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                -0.20 / -2.22%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.76
             |                                 
            
                143,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                +0.20 / +2.27%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.83
             |                                 
            
                190,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2013
             | 
            
                +0.20 / +2.33%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.76
             |                                 
            
                102,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                +0.20 / +2.38%
             |             
            
                8.50
             |           
            
                8.80
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.70
             |                                 
            
                54,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                28,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                51,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                34,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                36,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                93,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2013
             | 
            
                -0.30 / -3.45%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.64
             |                                 
            
                159,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.73
             |                                 
            
                12,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.73
             |                                 
            
                187,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2013
             | 
            
                -0.20 / -2.25%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.73
             |                                 
            
                82,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2013
             | 
            
                +0.10 / +1.14%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.80
             |                                 
            
                47,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2013
             | 
            
                +0.10 / +1.15%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.70
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.76
             |                                 
            
                19,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2013
             | 
            
                -0.20 / -2.25%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.73
             |                                 
            
                72,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.80
             |                                 
            
                35,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.80
             |                                 
            
                114,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |