| 
               1)   
             | 
            
               Form
      S-8 No. 333-160718 pertaining to the Mueller Industries, Inc. 2009 Stock
      Incentive Plan, 
             | 
          
| 
               2)   
             | 
            
               Form
      S-8 No. 333-138413 pertaining to the Mueller Industries, Inc. 2002 Stock
      Option Plan, 
             | 
          
| 
               3)   
             | 
            
               Form
      S-8 No. 333-113214 pertaining to the Mueller Industries, Inc. Stock Option
      Agreements for William D. O’Hagan, Michael O. Fifer, and Robert J.
      Pasquarelli, 
             | 
          
| 
               4)   
             | 
            
               Form
      S-8 No. 333-91238 pertaining to the Mueller Industries, Inc. 2002 Stock
      Option Plan, 
             | 
          
| 
               5)   
             | 
            
               Form
      S-8 No. 333-72726 pertaining to the Stock Option Agreements for Harvey L.
      Karp and William D. O’Hagan, 
             | 
          
| 
               6)   
             | 
            
               Form
      S-8 No. 333-52325 pertaining to the Mueller Industries, Inc. 1998 Stock
      Option Plan, and 
             | 
          
| 
               7)   
             | 
            
               Form
      S-8 No. 33-54705 pertaining to the Mueller Industries, Inc. 1994 Stock
      Option Plan and the 1994 Non-Employee Director Stock Option
      Plan; 
             | 
          
| /S/ Ernst & Young LLP |