| 
                 
                    Closing price on 9/20/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.20 | 
                 
                
                    | High | 
                    7.30 | 
                 
                
                    | Low | 
                    7.20 | 
                     
                
                    | Volume | 
                    42,800 | 
                                 
                
                    | Split-adjusted Price | 
                    2.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
EBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/20/2012
             | 
            
                -0.10 / -1.37%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2012
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.29
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2012
             | 
            
                -0.20 / -2.70%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                104,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2012
             | 
            
                -0.10 / -1.33%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.32
             |                                 
            
                32,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2012
             | 
            
                +0.10 / +1.35%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                167,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2012
             | 
            
                +0.10 / +1.37%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.32
             |                                 
            
                32,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.29
             |                                 
            
                48,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2012
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.29
             |                                 
            
                28,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2012
             | 
            
                -0.30 / -4.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                153,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                51,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                43,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                114,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                40,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2012
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                86,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2012
             | 
            
                -0.10 / -1.30%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.39
             |                                 
            
                137,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2012
             | 
            
                +0.30 / +4.05%
             |             
            
                7.50
             |           
            
                7.80
             |               
            
                7.40
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.42
             |                                 
            
                85,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2012
             | 
            
                +0.20 / +2.78%
             |             
            
                7.10
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.32
             |                                 
            
                154,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2012
             | 
            
                -0.50 / -6.49%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                280,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2012
             | 
            
                +0.50 / +6.94%
             |             
            
                7.00
             |           
            
                7.70
             |               
            
                7.00
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.42
             |                                 
            
                221,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2012
             | 
            
                -0.50 / -6.49%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.26
             |                                 
            
                259,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2012
             | 
            
                -0.30 / -3.75%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.42
             |                                 
            
                234,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2012
             | 
            
                -0.30 / -3.61%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.51
             |                                 
            
                776,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2012
             | 
            
                +0.50 / +6.41%
             |             
            
                7.90
             |           
            
                8.30
             |               
            
                7.90
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                2.61
             |                                 
            
                680,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.45
             |                                 
            
                72,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2012
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.45
             |                                 
            
                68,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2012
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.48
             |                                 
            
                129,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2012
             | 
            
                -0.10 / -1.23%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.51
             |                                 
            
                239,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2012
             | 
            
                +0.50 / +6.58%
             |             
            
                7.60
             |           
            
                8.10
             |               
            
                7.60
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.54
             |                                 
            
                431,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2012
             | 
            
                +0.10 / +1.33%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.39
             |                                 
            
                172,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.36
             |                                 
            
                48,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |