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                    Closing price on 6/7/2013
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                    | Open | 8.40 |  
                    | High | 8.60 |  
                    | Low | 8.10 |  
                    | Volume | 86,800 |  
                    | Split-adjusted Price | 2.97 |  
                
             | 
 |  EBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/7/2013 | -0.20 / -2.33% | 8.40 | 8.60 | 8.10 | 8.40 | 8.40 | 2.97 | 86,800 |   |  
            | 6/6/2013 | 0.00 / 0.00% | 8.50 | 8.60 | 8.10 | 8.60 | 8.60 | 3.04 | 181,000 |   |  			
            | 6/5/2013 | 0.00 / 0.00% | 8.50 | 8.60 | 8.30 | 8.60 | 8.60 | 3.04 | 40,700 |   |  
            | 6/4/2013 | -0.20 / -2.27% | 8.90 | 9.00 | 8.50 | 8.60 | 8.60 | 3.04 | 80,100 |   |  			
            | 6/3/2013 | +0.70 / +8.64% | 8.20 | 8.80 | 8.20 | 8.80 | 8.80 | 3.11 | 1,001,200 |   |  
            | 5/31/2013 | +0.40 / +5.19% | 7.90 | 8.10 | 7.80 | 8.10 | 8.10 | 2.87 | 237,500 |   |  			
            | 5/30/2013 | -0.10 / -1.28% | 7.80 | 7.80 | 7.70 | 7.70 | 7.70 | 2.73 | 30,544 |   |  
            | 5/29/2013 | -0.10 / -1.27% | 7.90 | 7.90 | 7.70 | 7.80 | 7.80 | 2.76 | 57,900 |   |  			
            | 5/28/2013 | -0.10 / -1.25% | 7.90 | 7.90 | 7.70 | 7.90 | 7.90 | 2.80 | 114,900 |   |  
            | 5/27/2013 | +0.10 / +1.27% | 7.90 | 8.00 | 7.70 | 8.00 | 8.00 | 2.83 | 161,000 |   |  			
            | 5/24/2013 | 0.00 / 0.00% | 7.90 | 7.90 | 7.70 | 7.90 | 7.90 | 2.80 | 21,500 |   |  
            | 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 |   |  |