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            | 
                    Closing price on 1/11/2013
                 |  |  
    
        |           
                
                    | Open | 11.30 |  
                    | High | 11.60 |  
                    | Low | 10.90 |  
                    | Volume | 124,300 |  
                    | Split-adjusted Price | 2.59 |  
                
             | 
 |  PPS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/11/2013 | -0.30 / -2.65% | 11.30 | 11.60 | 10.90 | 11.00 | 11.00 | 2.59 | 124,300 |   |  
            | 1/10/2013 | +0.30 / +2.73% | 10.90 | 11.30 | 10.50 | 11.30 | 11.30 | 2.66 | 232,500 |   |  			
            | 1/9/2013 | -0.50 / -4.35% | 11.40 | 11.70 | 10.80 | 11.00 | 11.00 | 2.59 | 269,000 |   |  
            | 1/8/2013 | -0.40 / -3.36% | 11.80 | 11.90 | 11.30 | 11.50 | 11.50 | 2.71 | 197,100 |   |  			
            | 1/7/2013 | -0.10 / -0.83% | 11.80 | 12.40 | 11.80 | 11.90 | 11.90 | 2.81 | 236,700 |   |  
            | 1/4/2013 | -0.40 / -3.23% | 11.70 | 12.30 | 11.60 | 12.00 | 12.00 | 2.83 | 285,600 |   |  			
            | 1/3/2013 | -0.10 / -0.80% | 12.30 | 12.40 | 11.60 | 12.40 | 12.40 | 2.92 | 386,600 |   |  
            | 1/2/2013 | -0.80 / -6.02% | 13.00 | 13.40 | 12.30 | 12.50 | 12.50 | 2.95 | 374,400 |   |  			
            | 12/28/2012 | +0.20 / +1.53% | 12.90 | 13.40 | 12.20 | 13.30 | 13.30 | 3.14 | 537,800 |   |  
            | 12/27/2012 | -0.20 / -1.50% | 13.30 | 13.60 | 12.80 | 13.10 | 13.10 | 3.09 | 274,000 |   |  			
            | 12/26/2012 | +0.60 / +4.72% | 12.50 | 13.30 | 12.50 | 13.30 | 13.30 | 3.14 | 355,000 |   |  
            | 12/25/2012 | +0.80 / +6.72% | 12.00 | 12.70 | 11.90 | 12.70 | 12.70 | 2.99 | 544,000 |   |  			
            | 12/24/2012 | +0.70 / +6.25% | 11.20 | 11.90 | 11.20 | 11.90 | 11.90 | 2.81 | 220,600 |   |  
            | 12/21/2012 | -0.30 / -2.61% | 11.50 | 11.50 | 11.10 | 11.20 | 11.20 | 2.64 | 194,900 |   |  			
            | 12/20/2012 | -0.10 / -0.86% | 11.50 | 11.70 | 11.50 | 11.50 | 11.50 | 2.71 | 200,200 |   |  
            | 12/19/2012 | -0.10 / -0.85% | 11.60 | 12.00 | 11.50 | 11.60 | 11.60 | 2.73 | 355,700 |   |  			
            | 12/18/2012 | -0.10 / -0.85% | 11.70 | 11.90 | 11.50 | 11.70 | 11.70 | 2.76 | 275,200 |   |  
            | 12/17/2012 | +0.20 / +1.72% | 11.70 | 11.90 | 11.60 | 11.80 | 11.80 | 2.78 | 185,400 |   |  			
            | 12/14/2012 | -0.10 / -0.85% | 11.50 | 12.20 | 11.50 | 11.60 | 11.60 | 2.73 | 293,300 |   |  
            | 12/13/2012 | -0.40 / -3.31% | 11.90 | 12.20 | 11.50 | 11.70 | 11.70 | 2.76 | 254,100 |   |  			
            | 12/12/2012 | +0.50 / +4.31% | 11.40 | 12.20 | 11.20 | 12.10 | 12.10 | 2.85 | 337,400 |   |  
            | 12/11/2012 | -0.40 / -3.33% | 12.00 | 12.10 | 11.40 | 11.60 | 11.60 | 2.73 | 337,300 |   |  			
            | 12/10/2012 | +0.40 / +3.45% | 11.40 | 12.10 | 11.40 | 12.00 | 12.00 | 2.83 | 350,200 |   |  
            | 12/7/2012 | +0.10 / +0.87% | 11.40 | 12.00 | 11.40 | 11.60 | 11.60 | 2.73 | 350,300 |   |  			
            | 12/6/2012 | +0.70 / +6.48% | 10.80 | 11.50 | 10.60 | 11.50 | 11.50 | 2.71 | 456,400 |   |  
            | 12/5/2012 | -0.20 / -1.82% | 11.00 | 11.20 | 10.80 | 10.80 | 10.80 | 2.55 | 203,800 |   |  			
            | 12/4/2012 | +0.30 / +2.80% | 10.60 | 11.40 | 10.60 | 11.00 | 11.00 | 2.59 | 366,000 |   |  
            | 12/3/2012 | +0.70 / +7.00% | 10.00 | 10.70 | 10.00 | 10.70 | 10.70 | 2.52 | 326,600 |   |  			
            | 11/30/2012 | +0.60 / +6.38% | 9.30 | 10.00 | 9.30 | 10.00 | 10.00 | 2.36 | 268,200 |   |  
            | 11/29/2012 | 0.00 / 0.00% | 9.30 | 9.70 | 9.30 | 9.40 | 9.40 | 2.22 | 132,800 |   |  |