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                    Closing price on 8/23/2011
                 |  |  
    
        |           
                
                    | Open | 6.80 |  
                    | High | 7.00 |  
                    | Low | 6.60 |  
                    | Volume | 61,040 |  
                    | Split-adjusted Price | 6.60 |  
                
             | 
 |  SBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/23/2011 | -0.30 / -4.35% | 6.80 | 7.00 | 6.60 | 6.60 | 6.70 | 6.60 | 61,040 |   |  
            | 8/22/2011 | +0.40 / +6.15% | 6.60 | 6.90 | 6.60 | 6.90 | 6.80 | 6.90 | 31,830 |   |  			
            | 8/19/2011 | -0.10 / -1.49% | 6.70 | 6.70 | 6.40 | 6.60 | 6.60 | 6.60 | 9,810 |   |  
            | 8/18/2011 | +0.30 / +4.69% | 6.40 | 6.70 | 6.40 | 6.70 | 6.60 | 6.70 | 71,690 |   |  			
            | 8/17/2011 | -0.20 / -3.03% | 6.80 | 6.80 | 6.30 | 6.40 | 6.40 | 6.40 | 63,160 |   |  
            | 8/16/2011 | 0.00 / 0.00% | 6.80 | 6.80 | 6.60 | 6.60 | 6.60 | 6.60 | 11,360 |   |  			
            | 8/15/2011 | -0.30 / -4.35% | 7.10 | 7.10 | 6.60 | 6.60 | 6.60 | 6.60 | 19,790 |   |  
            | 8/12/2011 | +0.30 / +4.55% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 50 |   |  			
            | 8/11/2011 | -0.30 / -4.35% | 6.70 | 6.70 | 6.60 | 6.60 | 6.60 | 6.60 | 22,130 |   |  
            | 8/10/2011 | +0.20 / +2.99% | 6.90 | 6.90 | 6.60 | 6.90 | 6.70 | 6.90 | 20,050 |   |  			
            | 8/9/2011 | -0.20 / -2.90% | 7.10 | 7.10 | 6.60 | 6.70 | 6.60 | 6.70 | 19,160 |   |  
            | 8/8/2011 | +0.10 / +1.47% | 7.20 | 7.20 | 6.80 | 6.90 | 6.80 | 6.90 | 53,900 |   |  			
            | 8/5/2011 | 0.00 / 0.00% | 7.10 | 7.20 | 6.80 | 7.10 | 7.00 | 7.10 | 18,010 |   |  
            | 8/4/2011 | +0.20 / +2.90% | 7.00 | 7.20 | 6.80 | 7.10 | 7.00 | 7.10 | 51,730 |   |  			
            | 8/3/2011 | -0.30 / -4.17% | 7.00 | 7.00 | 6.90 | 6.90 | 6.90 | 6.90 | 35,480 |   |  
            | 8/2/2011 | -0.30 / -4.00% | 7.60 | 7.60 | 7.20 | 7.20 | 7.20 | 7.20 | 7,610 |   |  			
            | 8/1/2011 | +0.40 / +5.63% | 7.50 | 7.60 | 7.30 | 7.50 | 7.40 | 7.50 | 2,040 |   |  
            | 7/29/2011 | 0.00 / 0.00% | 7.20 | 7.70 | 7.10 | 7.40 | 7.50 | 7.40 | 10,540 |   |  			
            | 7/28/2011 | -0.20 / -2.63% | 7.60 | 7.70 | 7.30 | 7.40 | 7.50 | 7.40 | 18,550 |   |  
            | 7/27/2011 | -0.20 / -2.56% | 7.90 | 7.90 | 7.50 | 7.60 | 7.60 | 7.60 | 2,780 |   |  			
            | 7/26/2011 | 0.00 / 0.00% | 7.90 | 7.90 | 7.80 | 7.80 | 7.80 | 7.80 | 6,760 |   |  
            | 7/25/2011 | -0.40 / -4.88% | 7.90 | 7.90 | 7.80 | 7.80 | 7.80 | 7.80 | 26,380 |   |  			
            | 7/22/2011 | -0.30 / -3.53% | 8.20 | 8.30 | 8.10 | 8.20 | 8.20 | 8.20 | 56,480 |   |  
            | 7/21/2011 | -0.40 / -4.49% | 8.90 | 8.90 | 8.50 | 8.50 | 8.50 | 8.50 | 115,250 |   |  			
            | 7/20/2011 | +0.10 / +1.14% | 8.70 | 8.90 | 8.60 | 8.90 | 8.80 | 8.90 | 3,970 |   |  
            | 7/19/2011 | -0.10 / -1.12% | 8.60 | 9.20 | 8.60 | 8.80 | 8.70 | 8.80 | 5,720 |   |  			
            | 7/18/2011 | +0.20 / +2.30% | 8.80 | 8.90 | 8.80 | 8.90 | 8.80 | 8.90 | 13,060 |   |  
            | 7/15/2011 | -0.20 / -2.22% | 9.00 | 9.00 | 8.70 | 8.80 | 8.90 | 8.80 | 52,270 |   |  			
            | 7/14/2011 | 0.00 / 0.00% | 9.00 | 9.00 | 8.90 | 9.00 | 8.90 | 9.00 | 4,830 |   |  
            | 7/13/2011 | 0.00 / 0.00% | 9.00 | 9.10 | 8.90 | 9.00 | 9.00 | 9.00 | 4,750 |   |  |