| 
                 
                    Closing price on 7/25/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.30 | 
                 
                
                    | High | 
                    7.50 | 
                 
                
                    | Low | 
                    7.20 | 
                     
                
                    | Volume | 
                    166,000 | 
                                 
                
                    | Split-adjusted Price | 
                    2.32 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
EBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/25/2012
             | 
            
                +0.10 / +1.37%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.32
             |                                 
            
                166,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2012
             | 
            
                -0.20 / -2.67%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.29
             |                                 
            
                322,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2012
             | 
            
                -0.30 / -3.85%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                196,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2012
             | 
            
                -0.20 / -2.50%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.45
             |                                 
            
                223,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2012
             | 
            
                +0.50 / +6.67%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.51
             |                                 
            
                434,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2012
             | 
            
                +0.30 / +4.17%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                430,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2012
             | 
            
                +0.40 / +5.88%
             |             
            
                6.70
             |           
            
                7.20
             |               
            
                6.70
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                225,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2012
             | 
            
                -0.30 / -4.23%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.14
             |                                 
            
                53,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2012
             | 
            
                +0.20 / +2.90%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.23
             |                                 
            
                132,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2012
             | 
            
                +0.20 / +2.99%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.17
             |                                 
            
                33,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2012
             | 
            
                -0.10 / -1.47%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.10
             |                                 
            
                45,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.14
             |                                 
            
                47,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2012
             | 
            
                -0.20 / -2.86%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.14
             |                                 
            
                63,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2012
             | 
            
                +0.10 / +1.45%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.20
             |                                 
            
                23,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2012
             | 
            
                +0.30 / +4.55%
             |             
            
                6.70
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.17
             |                                 
            
                164,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                2.07
             |                                 
            
                19,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2012
             | 
            
                -0.10 / -1.49%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                2.07
             |                                 
            
                149,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2012
             | 
            
                -0.20 / -2.90%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.10
             |                                 
            
                51,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.17
             |                                 
            
                33,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2012
             | 
            
                +0.20 / +2.99%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.17
             |                                 
            
                51,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.10
             |                                 
            
                69,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2012
             | 
            
                -0.20 / -2.90%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.10
             |                                 
            
                90,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2012
             | 
            
                -0.20 / -2.82%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.17
             |                                 
            
                126,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2012
             | 
            
                -0.40 / -5.33%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.23
             |                                 
            
                204,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.23
             |                                 
            
                51,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2012
             | 
            
                +0.10 / +1.35%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.23
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2012
             | 
            
                -0.20 / -2.63%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.20
             |                                 
            
                102,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.26
             |                                 
            
                75,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2012
             | 
            
                +0.10 / +1.33%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.26
             |                                 
            
                63,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2012
             | 
            
                -0.20 / -2.60%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.23
             |                                 
            
                64,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |