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            | 
                    Closing price on 2/26/2013
                 |  |  
    
        |           
                
                    | Open | 8.20 |  
                    | High | 8.20 |  
                    | Low | 8.10 |  
                    | Volume | 201,800 |  
                    | Split-adjusted Price | 2.58 |  
                
             | 
 |  EBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/26/2013 | -0.20 / -2.38% | 8.20 | 8.20 | 8.10 | 8.20 | 8.20 | 2.58 | 201,800 |   |  
            | 2/25/2013 | +0.10 / +1.20% | 8.30 | 8.40 | 8.20 | 8.40 | 8.40 | 2.64 | 78,400 |   |  			
            | 2/22/2013 | +0.10 / +1.22% | 8.20 | 8.30 | 8.10 | 8.30 | 8.30 | 2.61 | 132,700 |   |  
            | 2/21/2013 | -0.40 / -4.65% | 8.40 | 8.50 | 8.00 | 8.20 | 8.20 | 2.58 | 183,396 |   |  			
            | 2/20/2013 | +0.10 / +1.18% | 8.50 | 8.70 | 8.30 | 8.60 | 8.60 | 2.70 | 123,600 |   |  
            | 2/19/2013 | +0.20 / +2.41% | 8.30 | 8.60 | 8.20 | 8.50 | 8.50 | 2.67 | 199,800 |   |  			
            | 2/18/2013 | +0.10 / +1.22% | 8.20 | 8.30 | 8.20 | 8.30 | 8.30 | 2.61 | 137,200 |   |  
            | 2/8/2013 | +0.10 / +1.23% | 8.10 | 8.20 | 8.00 | 8.20 | 8.20 | 2.58 | 75,500 |   |  			
            | 2/7/2013 | +0.10 / +1.25% | 8.00 | 8.10 | 8.00 | 8.10 | 8.10 | 2.54 | 81,600 |   |  
            | 2/6/2013 | -0.10 / -1.23% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 2.51 | 48,000 |   |  			
            | 2/5/2013 | +0.10 / +1.25% | 7.90 | 8.10 | 7.90 | 8.10 | 8.10 | 2.54 | 42,900 |   |  
            | 2/4/2013 | -0.10 / -1.23% | 8.00 | 8.10 | 7.90 | 8.00 | 8.00 | 2.51 | 52,400 |   |  			
            | 2/1/2013 | 0.00 / 0.00% | 8.00 | 8.10 | 8.00 | 8.10 | 8.10 | 2.54 | 55,000 |   |  
            | 1/31/2013 | 0.00 / 0.00% | 8.10 | 8.20 | 7.90 | 8.10 | 8.10 | 2.54 | 101,100 |   |  			
            | 1/30/2013 | -0.10 / -1.22% | 8.10 | 8.10 | 8.00 | 8.10 | 8.10 | 2.54 | 79,500 |   |  
            | 1/29/2013 | 0.00 / 0.00% | 8.10 | 8.20 | 8.00 | 8.20 | 8.20 | 2.58 | 44,900 |   |  			
            | 1/28/2013 | 0.00 / 0.00% | 8.20 | 8.20 | 8.10 | 8.20 | 8.20 | 2.58 | 130,700 |   |  
            | 1/25/2013 | +0.10 / +1.23% | 8.10 | 8.20 | 8.00 | 8.20 | 8.20 | 2.58 | 126,600 |   |  			
            | 1/24/2013 | +0.10 / +1.25% | 8.00 | 8.10 | 7.90 | 8.10 | 8.10 | 2.54 | 78,500 |   |  
            | 1/23/2013 | 0.00 / 0.00% | 8.10 | 8.10 | 7.90 | 8.00 | 8.00 | 2.51 | 189,900 |   |  			
            | 1/22/2013 | -0.40 / -4.76% | 8.30 | 8.30 | 7.90 | 8.00 | 8.00 | 2.51 | 394,900 |   |  
            | 1/21/2013 | +0.10 / +1.20% | 8.30 | 8.40 | 8.20 | 8.40 | 8.40 | 2.64 | 92,200 |   |  			
            | 1/18/2013 | +0.10 / +1.22% | 8.20 | 8.30 | 8.20 | 8.30 | 8.30 | 2.61 | 243,200 |   |  
            | 1/17/2013 | -0.10 / -1.20% | 8.30 | 8.40 | 8.20 | 8.20 | 8.20 | 2.58 | 226,200 |   |  			
            | 1/16/2013 | 0.00 / 0.00% | 8.30 | 8.50 | 8.30 | 8.30 | 8.30 | 2.61 | 273,000 |   |  
            | 1/15/2013 | +0.10 / +1.22% | 8.20 | 8.40 | 8.20 | 8.30 | 8.30 | 2.61 | 265,600 |   |  			
            | 1/14/2013 | -0.10 / -1.20% | 8.20 | 8.30 | 8.10 | 8.20 | 8.20 | 2.58 | 175,800 |   |  
            | 1/11/2013 | +0.20 / +2.47% | 8.30 | 8.40 | 8.20 | 8.30 | 8.30 | 2.61 | 285,800 |   |  			
            | 1/10/2013 | -0.10 / -1.22% | 8.20 | 8.30 | 8.10 | 8.10 | 8.10 | 2.54 | 169,400 |   |  
            | 1/9/2013 | 0.00 / 0.00% | 8.20 | 8.40 | 8.10 | 8.20 | 8.20 | 2.58 | 243,600 |   |  |