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        Location
      
 
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        7800 East Dorado Place, Greenwood Village, CO
      
 
    
    
      
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        Signature
      
 
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        /s/ Randall J. Scott as Attorney-in-Fact for Nicole J. Champine
      
 
    
    
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        All insider transactions
      
 
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      Transactions in reports broken out by “transaction date” reported in original SEC filing,
      see here
      for transactions aggregated across transaction date