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                    Closing price on 9/29/2011
                 |  |  
    
        |           
                
                    | Open | 7.00 |  
                    | High | 7.10 |  
                    | Low | 6.80 |  
                    | Volume | 119,150 |  
                    | Split-adjusted Price | 6.80 |  
                
             | 
 |  SBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/29/2011 | -0.20 / -2.86% | 7.00 | 7.10 | 6.80 | 6.80 | 6.90 | 6.80 | 119,150 |   |  
            | 9/28/2011 | 0.00 / 0.00% | 7.00 | 7.20 | 7.00 | 7.00 | 7.00 | 7.00 | 86,630 |   |  			
            | 9/27/2011 | -0.20 / -2.78% | 7.30 | 7.30 | 6.90 | 7.00 | 7.00 | 7.00 | 140,560 |   |  
            | 9/26/2011 | -0.20 / -2.70% | 7.50 | 7.50 | 7.10 | 7.20 | 7.10 | 7.20 | 120,090 |   |  			
            | 9/23/2011 | -0.30 / -3.95% | 7.40 | 7.50 | 7.30 | 7.30 | 7.50 | 7.30 | 53,270 |   |  
            | 9/22/2011 | +0.30 / +4.11% | 7.50 | 7.60 | 7.40 | 7.60 | 7.50 | 7.60 | 32,480 |   |  			
            | 9/21/2011 | -0.20 / -2.67% | 7.50 | 7.50 | 7.30 | 7.30 | 7.40 | 7.30 | 61,870 |   |  
            | 9/20/2011 | -0.20 / -2.60% | 7.70 | 7.70 | 7.40 | 7.50 | 7.50 | 7.50 | 88,240 |   |  			
            | 9/19/2011 | +0.20 / +2.67% | 7.30 | 7.70 | 7.30 | 7.70 | 7.50 | 7.70 | 68,920 |   |  
            | 9/16/2011 | -0.30 / -3.85% | 7.70 | 7.70 | 7.50 | 7.50 | 7.70 | 7.50 | 395,770 |   |  			
            | 9/15/2011 | -0.10 / -1.27% | 7.70 | 7.90 | 7.60 | 7.80 | 7.70 | 7.80 | 351,710 |   |  
            | 9/14/2011 | -0.40 / -4.82% | 8.20 | 8.30 | 7.90 | 7.90 | 8.00 | 7.90 | 561,020 |   |  			
            | 9/13/2011 | +0.10 / +1.22% | 8.20 | 8.40 | 8.00 | 8.30 | 8.20 | 8.30 | 461,140 |   |  
            | 9/12/2011 | 0.00 / 0.00% | 8.20 | 8.60 | 8.20 | 8.20 | 8.40 | 8.20 | 260,300 |   |  			
            | 9/9/2011 | +0.30 / +3.80% | 8.00 | 8.20 | 7.90 | 8.20 | 7.90 | 8.20 | 492,050 |   |  
            | 9/8/2011 | +0.30 / +3.95% | 7.90 | 7.90 | 7.60 | 7.90 | 7.90 | 7.90 | 969,430 |   |  			
            | 9/7/2011 | +0.10 / +1.33% | 7.80 | 7.80 | 7.50 | 7.60 | 7.70 | 7.60 | 392,760 |   |  
            | 9/6/2011 | -0.30 / -3.85% | 7.60 | 7.80 | 7.50 | 7.50 | 7.50 | 7.50 | 363,430 |   |  			
            | 9/5/2011 | +0.30 / +4.00% | 7.80 | 7.80 | 7.70 | 7.80 | 7.80 | 7.80 | 426,190 |   |  
            | 9/1/2011 | +0.30 / +4.17% | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 220,820 |   |  			
            | 8/31/2011 | +0.30 / +4.35% | 6.90 | 7.20 | 6.80 | 7.20 | 7.10 | 7.20 | 161,910 |   |  
            | 8/30/2011 | +0.10 / +1.47% | 7.00 | 7.00 | 6.80 | 6.90 | 6.90 | 6.90 | 181,570 |   |  			
            | 8/29/2011 | +0.30 / +4.62% | 6.60 | 6.80 | 6.60 | 6.80 | 6.70 | 6.80 | 57,880 |   |  
            | 8/26/2011 | +0.10 / +1.56% | 6.40 | 6.60 | 6.40 | 6.50 | 6.50 | 6.50 | 20,140 |   |  			
            | 8/25/2011 | -0.20 / -3.03% | 6.70 | 6.70 | 6.40 | 6.40 | 6.50 | 6.40 | 25,750 |   |  
            | 8/24/2011 | 0.00 / 0.00% | 6.80 | 6.80 | 6.30 | 6.60 | 6.40 | 6.60 | 51,940 |   |  			
            | 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 |   |  |