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                    Closing price on 8/3/2011
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                    | Open | 11.60 |  
                    | High | 11.60 |  
                    | Low | 11.30 |  
                    | Volume | 223,480 |  
                    | Split-adjusted Price | 11.50 |  
                
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 |  OGC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 7/20/2011 | +0.50 / +4.13% | 12.10 | 12.60 | 12.10 | 12.60 | 12.60 | 12.60 | 306,240 |   |  
            | 7/19/2011 | -0.10 / -0.82% | 12.20 | 12.20 | 11.90 | 12.10 | 12.10 | 12.10 | 281,260 |   |  			
            | 7/18/2011 | 0.00 / 0.00% | 11.90 | 12.20 | 11.90 | 12.20 | 12.20 | 12.20 | 306,830 |   |  
            | 7/15/2011 | -0.40 / -3.17% | 12.60 | 12.60 | 12.10 | 12.20 | 12.20 | 12.20 | 831,380 |   |  			
            | 7/14/2011 | +0.20 / +1.61% | 12.30 | 12.70 | 12.10 | 12.60 | 12.60 | 12.60 | 398,060 |   |  
            | 7/13/2011 | +0.10 / +0.81% | 12.70 | 12.70 | 12.20 | 12.40 | 12.40 | 12.40 | 399,170 |   |  			
            | 7/12/2011 | -0.40 / -3.15% | 12.40 | 12.50 | 12.20 | 12.30 | 12.30 | 12.30 | 335,170 |   |  
            | 7/11/2011 | -0.10 / -0.78% | 12.80 | 12.80 | 12.60 | 12.70 | 12.70 | 12.70 | 237,940 |   |  			
            | 7/8/2011 | -0.10 / -0.78% | 12.60 | 12.90 | 12.60 | 12.80 | 12.80 | 12.80 | 282,290 |   |  
            | 7/7/2011 | 0.00 / 0.00% | 12.90 | 13.00 | 12.60 | 12.90 | 12.90 | 12.90 | 692,650 |   |  			
            | 7/6/2011 | -0.20 / -1.53% | 13.30 | 13.30 | 12.60 | 12.90 | 12.90 | 12.90 | 736,220 |   |  
            | 7/5/2011 | +0.60 / +4.80% | 13.00 | 13.10 | 12.90 | 13.10 | 13.10 | 13.10 | 624,240 |   |  			
            | 7/4/2011 | 0.00 / 0.00% | 12.60 | 12.60 | 12.20 | 12.50 | 12.50 | 12.50 | 444,280 |   |  
            | 7/1/2011 | -0.40 / -3.10% | 12.90 | 13.00 | 12.40 | 12.50 | 12.50 | 12.50 | 519,850 |   |  			
            | 6/30/2011 | -0.40 / -3.01% | 13.50 | 13.50 | 12.90 | 12.90 | 12.90 | 12.90 | 426,980 |   |  
            | 6/29/2011 | -0.30 / -2.21% | 13.60 | 13.60 | 13.10 | 13.30 | 13.30 | 13.30 | 749,620 |   |  			
            | 6/28/2011 | -0.40 / -2.86% | 13.80 | 14.10 | 13.60 | 13.60 | 13.60 | 13.60 | 417,830 |   |  
            | 6/27/2011 | +0.40 / +2.94% | 13.60 | 14.00 | 13.60 | 14.00 | 14.00 | 14.00 | 393,550 |   |  			
            | 6/24/2011 | -0.20 / -1.45% | 13.80 | 14.20 | 13.60 | 13.60 | 13.60 | 13.60 | 496,520 |   |  
            | 6/23/2011 | -0.20 / -1.43% | 14.00 | 14.10 | 13.50 | 13.80 | 13.80 | 13.80 | 428,060 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:02 PM
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