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            | 
                    Closing price on 1/19/2016
                 |  |  
    
        |           
                
                    | Open | 2.40 |  
                    | High | 2.50 |  
                    | Low | 2.40 |  
                    | Volume | 609,700 |  
                    | Split-adjusted Price | 2.50 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/19/2016 | +0.10 / +4.17% | 2.40 | 2.50 | 2.40 | 2.50 | 2.48 | 2.50 | 609,700 |   |  
            | 1/18/2016 | -0.10 / -4.00% | 2.50 | 2.50 | 2.30 | 2.40 | 2.39 | 2.40 | 506,100 |   |  			
            | 1/15/2016 | +0.20 / +8.70% | 2.30 | 2.50 | 2.30 | 2.50 | 2.40 | 2.50 | 597,500 |   |  
            | 1/14/2016 | -0.10 / -4.17% | 2.40 | 2.40 | 2.30 | 2.30 | 2.37 | 2.30 | 497,400 |   |  			
            | 1/13/2016 | 0.00 / 0.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.48 | 2.40 | 414,700 |   |  
            | 1/12/2016 | 0.00 / 0.00% | 2.40 | 2.50 | 2.40 | 2.40 | 2.48 | 2.40 | 600,100 |   |  			
            | 1/11/2016 | +0.10 / +4.35% | 2.30 | 2.50 | 2.30 | 2.40 | 2.39 | 2.40 | 497,400 |   |  
            | 1/8/2016 | 0.00 / 0.00% | 2.30 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 260,400 |   |  			
            | 1/7/2016 | +0.10 / +4.55% | 2.30 | 2.30 | 2.20 | 2.30 | 2.21 | 2.30 | 367,200 |   |  
            | 1/6/2016 | +0.10 / +4.76% | 2.10 | 2.30 | 2.10 | 2.20 | 2.20 | 2.20 | 240,200 |   |  			
            | 1/5/2016 | 0.00 / 0.00% | 2.10 | 2.20 | 2.10 | 2.10 | 2.10 | 2.10 | 251,500 |   |  
            | 1/4/2016 | +0.10 / +5.00% | 2.00 | 2.20 | 2.00 | 2.10 | 2.09 | 2.10 | 372,900 |   |  			
            | 12/31/2015 | -0.10 / -4.76% | 2.10 | 2.20 | 2.00 | 2.00 | 2.11 | 2.00 | 139,700 |   |  
            | 12/30/2015 | +0.10 / +5.00% | 1.90 | 2.10 | 1.90 | 2.10 | 2.03 | 2.10 | 104,100 |   |  			
            | 12/29/2015 | -0.10 / -4.76% | 2.00 | 2.00 | 1.90 | 2.00 | 1.91 | 2.00 | 145,500 |   |  
            | 12/28/2015 | 0.00 / 0.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.06 | 2.10 | 28,800 |   |  			
            | 12/25/2015 | -0.20 / -8.70% | 2.20 | 2.30 | 2.10 | 2.10 | 2.23 | 2.10 | 127,000 |   |  
            | 12/24/2015 | +0.10 / +4.55% | 2.30 | 2.30 | 2.20 | 2.30 | 2.25 | 2.30 | 65,900 |   |  			
            | 12/23/2015 | 0.00 / 0.00% | 2.30 | 2.30 | 2.20 | 2.20 | 2.20 | 2.20 | 42,700 |   |  
            | 12/22/2015 | 0.00 / 0.00% | 2.20 | 2.30 | 2.20 | 2.20 | 2.23 | 2.20 | 153,500 |   |  			
            | 12/21/2015 | 0.00 / 0.00% | 2.30 | 2.30 | 2.20 | 2.20 | 2.21 | 2.20 | 109,000 |   |  
            | 12/18/2015 | -0.10 / -4.35% | 2.30 | 2.30 | 2.20 | 2.20 | 2.30 | 2.20 | 89,200 |   |  			
            | 12/17/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 113,700 |   |  
            | 12/16/2015 | -0.10 / -4.17% | 2.30 | 2.40 | 2.30 | 2.30 | 2.31 | 2.30 | 119,200 |   |  			
            | 12/15/2015 | 0.00 / 0.00% | 2.30 | 2.40 | 2.30 | 2.40 | 2.32 | 2.40 | 103,100 |   |  
            | 12/14/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 260,200 |   |  			
            | 12/11/2015 | +0.10 / +4.35% | 2.30 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 239,600 |   |  
            | 12/10/2015 | -0.10 / -4.17% | 2.40 | 2.50 | 2.30 | 2.30 | 2.40 | 2.30 | 142,500 |   |  			
            | 12/9/2015 | -0.10 / -4.00% | 2.50 | 2.60 | 2.30 | 2.40 | 2.44 | 2.40 | 368,900 |   |  
            | 12/8/2015 | 0.00 / 0.00% | 2.60 | 2.60 | 2.50 | 2.50 | 2.57 | 2.50 | 123,000 |   |  |