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                    Closing price on 1/18/2011
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                    | Open | 23.30 |  
                    | High | 23.50 |  
                    | Low | 23.10 |  
                    | Volume | 299,160 |  
                    | Split-adjusted Price | 23.10 |  
                
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 |  OGC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/18/2011 | -0.30 / -1.28% | 23.30 | 23.50 | 23.10 | 23.10 | 23.10 | 23.10 | 299,160 |   |  
            | 1/17/2011 | -0.10 / -0.43% | 23.50 | 23.80 | 23.40 | 23.40 | 23.40 | 23.40 | 263,820 |   |  			
            | 1/14/2011 | +0.20 / +0.86% | 23.90 | 23.90 | 23.30 | 23.50 | 23.50 | 23.50 | 384,780 |   |  
            | 1/13/2011 | -0.20 / -0.85% | 23.50 | 23.70 | 23.20 | 23.30 | 23.30 | 23.30 | 201,830 |   |  			
            | 1/12/2011 | +0.70 / +3.07% | 23.00 | 23.60 | 23.00 | 23.50 | 23.50 | 23.50 | 571,580 |   |  
            | 1/11/2011 | -0.50 / -2.15% | 23.30 | 23.30 | 22.80 | 22.80 | 22.80 | 22.80 | 479,810 |   |  			
            | 1/10/2011 | -0.40 / -1.69% | 23.80 | 23.80 | 23.30 | 23.30 | 23.30 | 23.30 | 434,490 |   |  
            | 1/7/2011 | 0.00 / 0.00% | 23.70 | 24.00 | 23.60 | 23.70 | 23.70 | 23.70 | 277,380 |   |  			
            | 1/6/2011 | -0.30 / -1.25% | 24.00 | 24.00 | 23.70 | 23.70 | 23.70 | 23.70 | 212,610 |   |  
            | 1/5/2011 | -0.40 / -1.64% | 24.40 | 24.40 | 23.90 | 24.00 | 24.00 | 24.00 | 212,490 |   |  			
            | 1/4/2011 | -0.10 / -0.41% | 24.80 | 24.80 | 24.40 | 24.40 | 24.40 | 24.40 | 253,250 |   |  
            | 12/31/2010 | +0.30 / +1.24% | 24.20 | 24.50 | 24.20 | 24.50 | 24.50 | 24.50 | 1,948,990 |   |  			
            | 12/30/2010 | +0.20 / +0.83% | 23.60 | 24.20 | 23.60 | 24.20 | 24.20 | 24.20 | 1,302,310 |   |  
            | 12/29/2010 | -0.30 / -1.23% | 24.30 | 24.60 | 24.00 | 24.00 | 24.00 | 24.00 | 2,197,030 |   |  			
            | 12/28/2010 | +0.30 / +1.25% | 24.00 | 24.80 | 24.00 | 24.30 | 24.30 | 24.30 | 2,051,860 |   |  
            | 12/27/2010 | 0.00 / 0.00% | 24.00 | 24.00 | 23.50 | 24.00 | 24.00 | 24.00 | 451,250 |   |  			
            | 12/24/2010 | 0.00 / 0.00% | 24.00 | 24.40 | 23.50 | 24.00 | 24.00 | 24.00 | 445,310 |   |  
            | 12/23/2010 | -0.40 / -1.64% | 24.40 | 24.50 | 24.00 | 24.00 | 24.00 | 24.00 | 631,700 |   |  			
            | 12/22/2010 | -1.50 / -5.79% | 25.90 | 25.90 | 24.40 | 24.40 | 24.40 | 24.40 | 832,120 |   |  
            | 12/21/2010 | +0.40 / +1.57% | 25.10 | 25.90 | 24.80 | 25.90 | 25.90 | 25.90 | 974,830 |   |  			
            | 12/20/2010 | -0.40 / -1.54% | 25.90 | 26.30 | 25.50 | 25.50 | 25.50 | 25.50 | 1,655,100 |   |  
            | 12/17/2010 | +1.20 / +4.86% | 24.70 | 25.90 | 24.60 | 25.90 | 25.90 | 25.90 | 644,140 |   |  			
            | 12/16/2010 | -1.10 / -4.26% | 25.10 | 25.30 | 24.70 | 24.70 | 24.70 | 24.70 | 789,890 |   |  
            | 12/15/2010 | 0.00 / 0.00% | 26.00 | 26.40 | 25.60 | 25.80 | 25.80 | 25.80 | 916,460 |   |  			
            | 12/14/2010 | -0.90 / -3.37% | 26.80 | 27.20 | 25.40 | 25.80 | 25.80 | 25.80 | 1,705,300 |   |  
            | 12/13/2010 | +1.20 / +4.71% | 26.70 | 26.70 | 26.60 | 26.70 | 26.70 | 26.70 | 1,930,690 |   |  			
            | 12/10/2010 | +0.90 / +3.66% | 24.70 | 25.50 | 24.50 | 25.50 | 25.50 | 25.50 | 1,236,440 |   |  
            | 12/9/2010 | +0.90 / +3.80% | 23.10 | 24.60 | 23.10 | 24.60 | 24.60 | 24.60 | 831,130 |   |  			
            | 12/8/2010 | -1.20 / -4.82% | 24.50 | 25.00 | 23.70 | 23.70 | 23.70 | 23.70 | 1,386,570 |   |  
            | 12/7/2010 | -1.10 / -4.23% | 25.40 | 26.00 | 24.90 | 24.90 | 24.90 | 24.90 | 1,293,550 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 10:15:00 AM
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