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                    Closing price on 8/31/2011
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                    | Open | 13.00 |  
                    | High | 13.20 |  
                    | Low | 12.70 |  
                    | Volume | 1,077,880 |  
                    | Split-adjusted Price | 13.20 |  
                
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 |  OGC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/31/2011 | +0.60 / +4.76% | 13.00 | 13.20 | 12.70 | 13.20 | 13.20 | 13.20 | 1,077,880 |   |  
            | 8/30/2011 | +0.60 / +5.00% | 12.60 | 12.60 | 12.50 | 12.60 | 12.60 | 12.60 | 742,490 |   |  			
            | 8/29/2011 | +0.50 / +4.35% | 11.60 | 12.00 | 11.60 | 12.00 | 12.00 | 12.00 | 947,910 |   |  
            | 8/26/2011 | +0.20 / +1.77% | 11.30 | 11.60 | 11.30 | 11.50 | 11.50 | 11.50 | 448,190 |   |  			
            | 8/25/2011 | +0.40 / +3.67% | 11.00 | 11.30 | 10.90 | 11.30 | 11.30 | 11.30 | 419,290 |   |  
            | 8/24/2011 | -0.20 / -1.80% | 11.40 | 11.50 | 10.90 | 10.90 | 10.90 | 10.90 | 513,580 |   |  			
            | 8/23/2011 | -0.20 / -1.77% | 11.30 | 11.40 | 11.10 | 11.10 | 11.10 | 11.10 | 453,380 |   |  
            | 8/22/2011 | +0.50 / +4.63% | 10.90 | 11.30 | 10.90 | 11.30 | 11.30 | 11.30 | 551,960 |   |  			
            | 8/19/2011 | -0.40 / -3.57% | 10.80 | 11.00 | 10.70 | 10.80 | 10.80 | 10.80 | 359,590 |   |  
            | 8/18/2011 | +0.50 / +4.67% | 10.90 | 11.20 | 10.90 | 11.20 | 11.20 | 11.20 | 622,570 |   |  			
            | 8/17/2011 | +0.30 / +2.88% | 10.40 | 10.70 | 10.40 | 10.70 | 10.70 | 10.70 | 317,290 |   |  
            | 8/16/2011 | 0.00 / 0.00% | 10.50 | 10.60 | 10.40 | 10.40 | 10.40 | 10.40 | 224,890 |   |  			
            | 8/15/2011 | 0.00 / 0.00% | 10.60 | 10.60 | 10.40 | 10.40 | 10.40 | 10.40 | 209,050 |   |  
            | 8/12/2011 | -0.10 / -0.95% | 10.50 | 10.70 | 10.40 | 10.40 | 10.40 | 10.40 | 195,830 |   |  			
            | 8/11/2011 | -0.30 / -2.78% | 10.50 | 10.60 | 10.40 | 10.50 | 10.50 | 10.50 | 230,240 |   |  
            | 8/10/2011 | 0.00 / 0.00% | 11.00 | 11.10 | 10.70 | 10.80 | 10.80 | 10.80 | 318,330 |   |  			
            | 8/9/2011 | -0.40 / -3.57% | 10.70 | 11.00 | 10.70 | 10.80 | 10.80 | 10.80 | 368,610 |   |  
            | 8/8/2011 | -0.50 / -4.27% | 11.40 | 11.60 | 11.20 | 11.20 | 11.20 | 11.20 | 297,600 |   |  			
            | 8/5/2011 | -0.10 / -0.85% | 11.60 | 11.90 | 11.60 | 11.70 | 11.70 | 11.70 | 281,370 |   |  
            | 8/4/2011 | +0.30 / +2.61% | 11.50 | 12.00 | 11.50 | 11.80 | 11.80 | 11.80 | 306,790 |   |  			
            | 8/3/2011 | -0.10 / -0.86% | 11.60 | 11.60 | 11.30 | 11.50 | 11.50 | 11.50 | 223,480 |   |  
            | 8/2/2011 | -0.10 / -0.85% | 11.80 | 11.80 | 11.40 | 11.60 | 11.60 | 11.60 | 238,310 |   |  			
            | 8/1/2011 | -0.30 / -2.50% | 12.20 | 12.20 | 11.70 | 11.70 | 11.70 | 11.70 | 160,540 |   |  
            | 7/29/2011 | 0.00 / 0.00% | 11.90 | 12.10 | 11.80 | 12.00 | 12.00 | 12.00 | 303,530 |   |  			
            | 7/28/2011 | 0.00 / 0.00% | 11.90 | 12.20 | 11.90 | 12.00 | 12.00 | 12.00 | 244,430 |   |  
            | 7/27/2011 | 0.00 / 0.00% | 12.00 | 12.00 | 11.80 | 12.00 | 12.00 | 12.00 | 248,550 |   |  			
            | 7/26/2011 | +0.10 / +0.84% | 11.90 | 12.20 | 11.80 | 12.00 | 12.00 | 12.00 | 227,680 |   |  
            | 7/25/2011 | -0.30 / -2.46% | 11.80 | 12.10 | 11.80 | 11.90 | 11.90 | 11.90 | 372,590 |   |  			
            | 7/22/2011 | 0.00 / 0.00% | 12.10 | 12.30 | 12.00 | 12.20 | 12.20 | 12.20 | 176,920 |   |  
            | 7/21/2011 | -0.40 / -3.17% | 12.30 | 12.50 | 12.20 | 12.20 | 12.20 | 12.20 | 258,260 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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