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                    Closing price on 4/28/2011
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                    | Open | 13.90 |  
                    | High | 14.00 |  
                    | Low | 13.80 |  
                    | Volume | 16,360 |  
                    | Split-adjusted Price | 2.53 |  
                
             | 
 |  SFI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/28/2011 | 0.00 / 0.00% | 13.90 | 14.00 | 13.80 | 13.90 | 13.90 | 2.53 | 16,360 |   |  
            | 4/27/2011 | 0.00 / 0.00% | 14.00 | 14.00 | 13.80 | 13.90 | 13.90 | 2.53 | 6,990 |   |  			
            | 4/26/2011 | -0.40 / -2.80% | 14.00 | 14.00 | 13.70 | 13.90 | 13.90 | 2.53 | 4,910 |   |  
            | 4/25/2011 | +0.40 / +2.88% | 14.10 | 14.30 | 13.30 | 14.30 | 14.30 | 2.60 | 62,550 |   |  			
            | 4/22/2011 | -0.50 / -3.47% | 14.70 | 14.70 | 13.70 | 13.90 | 13.90 | 2.53 | 36,750 |   |  
            | 4/21/2011 | -0.60 / -4.00% | 15.00 | 15.00 | 14.40 | 14.40 | 14.40 | 2.62 | 15,680 |   |  			
            | 4/20/2011 | -0.20 / -1.32% | 15.00 | 15.10 | 14.80 | 15.00 | 15.00 | 2.73 | 11,910 |   |  
            | 4/19/2011 | +0.20 / +1.33% | 15.00 | 15.20 | 15.00 | 15.20 | 15.20 | 2.77 | 12,050 |   |  			
            | 4/18/2011 | -0.20 / -1.32% | 15.50 | 15.70 | 15.00 | 15.00 | 15.00 | 2.73 | 45,460 |   |  
            | 4/15/2011 | -0.50 / -3.18% | 15.60 | 16.00 | 15.20 | 15.20 | 15.20 | 2.77 | 44,250 |   |  			
            | 4/14/2011 | +0.40 / +2.61% | 15.70 | 15.90 | 15.40 | 15.70 | 15.70 | 2.86 | 36,390 |   |  
            | 4/13/2011 | -0.10 / -0.65% | 16.00 | 16.00 | 15.10 | 15.30 | 15.30 | 2.79 | 20,120 |   |  			
            | 4/8/2011 | 0.00 / 0.00% | 15.30 | 15.90 | 15.30 | 15.40 | 15.40 | 2.80 | 14,140 |   |  
            | 4/7/2011 | -0.40 / -2.53% | 15.50 | 15.80 | 15.40 | 15.40 | 15.40 | 2.80 | 21,280 |   |  			
            | 4/6/2011 | +0.40 / +2.60% | 15.60 | 15.80 | 15.20 | 15.80 | 15.80 | 2.88 | 13,090 |   |  
            | 4/5/2011 | -0.20 / -1.28% | 15.30 | 15.40 | 15.10 | 15.40 | 15.40 | 2.80 | 17,300 |   |  			
            | 4/4/2011 | 0.00 / 0.00% | 15.40 | 15.60 | 15.00 | 15.60 | 15.60 | 2.84 | 17,720 |   |  
            | 4/1/2011 | +0.30 / +1.96% | 15.90 | 15.90 | 15.30 | 15.60 | 15.60 | 2.84 | 12,190 |   |  			
            | 3/31/2011 | -0.20 / -1.29% | 15.80 | 15.90 | 15.30 | 15.30 | 15.30 | 2.79 | 18,320 |   |  
            | 3/30/2011 | -0.40 / -2.52% | 15.30 | 15.60 | 15.30 | 15.50 | 15.50 | 2.82 | 20,090 |   |  			
            | 3/29/2011 | 0.00 / 0.00% | 16.00 | 16.00 | 15.30 | 15.90 | 15.90 | 2.90 | 46,140 |   |  
            | 3/28/2011 | -0.10 / -0.63% | 16.00 | 16.00 | 15.70 | 15.90 | 15.90 | 2.90 | 12,390 |   |  			
            | 3/25/2011 | -0.10 / -0.62% | 16.10 | 16.10 | 15.70 | 16.00 | 16.00 | 2.91 | 7,570 |   |  
            | 3/24/2011 | 0.00 / 0.00% | 16.40 | 16.50 | 16.00 | 16.10 | 16.10 | 2.93 | 14,760 |   |  			
            | 3/23/2011 | -0.20 / -1.23% | 16.20 | 16.20 | 15.80 | 16.10 | 16.10 | 2.93 | 26,790 |   |  
            | 3/22/2011 | -0.30 / -1.81% | 16.40 | 16.50 | 16.00 | 16.30 | 16.30 | 2.97 | 23,110 |   |  			
            | 3/21/2011 | +0.10 / +0.61% | 16.90 | 16.90 | 16.10 | 16.60 | 16.60 | 3.02 | 5,560 |   |  
            | 3/18/2011 | +0.50 / +3.13% | 16.20 | 16.70 | 15.80 | 16.50 | 16.50 | 3.00 | 22,030 |   |  			
            | 3/17/2011 | 0.00 / 0.00% | 16.00 | 16.20 | 15.40 | 16.00 | 16.00 | 2.91 | 36,390 |   |  
            | 3/16/2011 | +0.40 / +2.56% | 15.50 | 16.10 | 15.40 | 16.00 | 16.00 | 2.91 | 38,540 |   |  |