| 
 Very Truly Yours, 
 | 
|
| 
 /S/Harvey L. Karp 
 | 
 /S/Gregory L. Christopher 
 | 
| 
 Harvey L. Karp 
 | 
 Gregory L. Christopher 
 | 
| 
 Chairman of the Board 
 | 
 Chief Executive Officer 
 | 
| 
 October 25, 2011 
 | 
| 
 For the Quarter Ended 
 | 
 For the Nine Months Ended 
 | 
|||||||||||||||
| 
 October 1, 
2011 
 | 
 September 25, 
2010 
 | 
 October 1, 
2011 
 | 
 September 25, 
2010 
 | 
|||||||||||||
| 
 (In thousands, except per share data) 
 | 
||||||||||||||||
| 
 Net sales 
 | 
 $ 
 | 
 585,809 
 | 
 $ 
 | 
 507,240 
 | 
 $ 
 | 
 1,926,413 
 | 
 $ 
 | 
 1,532,896 
 | 
||||||||
| 
 Cost of goods sold 
 | 
 523,984 
 | 
 437,597 
 | 
 1,687,735 
 | 
 1,317,290 
 | 
||||||||||||
| 
 Depreciation and amortization 
 | 
 8,716 
 | 
 9,934 
 | 
 27,581 
 | 
 30,372 
 | 
||||||||||||
| 
 Selling, general, and administrative expense 
 | 
 34,245 
 | 
 28,810 
 | 
 102,944 
 | 
 99,601 
 | 
||||||||||||
| 
 Litigation settlement 
 | 
 — 
 | 
 — 
 | 
 (10,500 
 | 
 ) 
 | 
 — 
 | 
|||||||||||
| 
 Insurance settlement 
 | 
 — 
 | 
 12 
 | 
 — 
 | 
 (21,284 
 | 
 ) 
 | 
|||||||||||
| 
 Operating income 
 | 
 18,864 
 | 
 30,887 
 | 
 118,653 
 | 
 106,917 
 | 
||||||||||||
| 
 Interest expense 
 | 
 (2,822 
 | 
 ) 
 | 
 (3,072 
 | 
 ) 
 | 
 (9,004 
 | 
 ) 
 | 
 (8,568 
 | 
 ) 
 | 
||||||||
| 
 Other income (expense), net 
 | 
 102 
 | 
 30 
 | 
 1,425 
 | 
 (2,348 
 | 
 ) 
 | 
|||||||||||
| 
 Income before income taxes 
 | 
 16,144 
 | 
 27,845 
 | 
 111,074 
 | 
 96,001 
 | 
||||||||||||
| 
 Income tax expense 
 | 
 (5,403 
 | 
 ) 
 | 
 (9,098 
 | 
 ) 
 | 
 (37,060 
 | 
 ) 
 | 
 (26,418 
 | 
 ) 
 | 
||||||||
| 
 Consolidated net income 
 | 
 10,741 
 | 
 18,747 
 | 
 74,014 
 | 
 69,583 
 | 
||||||||||||
| 
 Net (income) loss attributable to noncontrolling interest 
 | 
 (266 
 | 
 ) 
 | 
 162 
 | 
 (621 
 | 
 ) 
 | 
 (1,158 
 | 
 ) 
 | 
|||||||||
| 
 Net income attributable to Mueller Industries, Inc. 
 | 
 $ 
 | 
 10,475 
 | 
 $ 
 | 
 18,909 
 | 
 $ 
 | 
 73,393 
 | 
 $ 
 | 
 68,425 
 | 
||||||||
| 
 Weighted average shares for basic earnings per share 
 | 
 37,878 
 | 
 37,710 
 | 
 37,779 
 | 
 37,657 
 | 
||||||||||||
| 
 Effect of dilutive stock-based awards 
 | 
 483 
 | 
 92 
 | 
 367 
 | 
 77 
 | 
||||||||||||
| 
 Adjusted weighted average shares for diluted earnings per share 
 | 
 38,361 
 | 
 37,802 
 | 
 38,146 
 | 
 37,734 
 | 
||||||||||||
| 
 Basic earnings per share 
 | 
 $ 
 | 
 0.28 
 | 
 $ 
 | 
 0.50 
 | 
 $ 
 | 
 1.94 
 | 
 $ 
 | 
 1.82 
 | 
||||||||
| 
 Diluted earnings per share 
 | 
 $ 
 | 
 0.27 
 | 
 $ 
 | 
 0.50 
 | 
 $ 
 | 
 1.92 
 | 
 $ 
 | 
 1.81 
 | 
||||||||
| 
 Dividends per share 
 | 
 $ 
 | 
 0.10 
 | 
 $ 
 | 
 0.10 
 | 
 $ 
 | 
 0.30 
 | 
 $ 
 | 
 0.30 
 | 
||||||||
| 
 October 1, 
 | 
 December 25, 
 | 
 October 1, 
 | 
 December 25, 
 | 
||||||||||||||
| 
 2011 
 | 
 2010 
 | 
 2011 
 | 
 2010 
 | 
||||||||||||||
| 
 (In thousands) 
 | 
 (In thousands) 
 | 
||||||||||||||||
| 
 ASSETS 
 | 
 LIABILITIES AND STOCKHOLDERS' EQUITY 
 | 
||||||||||||||||
| 
 Cash and cash equivalents 
 | 
$ | 448,853 | $ | 394,139 | 
 Current portion of debt 
 | 
$ | 52,827 | $ | 32,020 | ||||||||
| 
 Accounts receivable, net 
 | 
315,709 | 269,258 | 
 Accounts payable 
 | 
65,743 | 67,849 | ||||||||||||
| 
 Inventories 
 | 
214,868 | 209,892 | 
 Other current liabilities 
 | 
113,823 | 95,258 | ||||||||||||
| 
 Other current assets 
 | 
53,366 | 39,025 | |||||||||||||||
| 
 Total current assets 
 | 
1,032,796 | 912,314 | 
 Total current liabilities 
 | 
232,393 | 195,127 | ||||||||||||
| 
 Long-term debt 
 | 
156,726 | 158,226 | |||||||||||||||
| 
 Pension and postretirement liabilities 
 | 
39,649 | 40,939 | |||||||||||||||
| 
 Environmental reserves 
 | 
23,111 | 23,902 | |||||||||||||||
| 
 Property, plant, and equipment, net 
 | 
207,761 | 229,498 | 
 Deferred income taxes 
 | 
19,788 | 24,081 | ||||||||||||
| 
 Other assets 
 | 
118,353 | 117,184 | 
 Other noncurrent liabilities 
 | 
2,187 | 824 | ||||||||||||
| 
 Total liabilities 
 | 
473,854 | 443,099 | |||||||||||||||
| 
 Stockholders' equity 
 | 
856,189 | 788,736 | |||||||||||||||
| 
 Noncontrolling interest 
 | 
28,867 | 27,161 | |||||||||||||||
| 
 Total equity 
 | 
885,056 | 815,897 | |||||||||||||||
| $ | 1,358,910 | $ | 1,258,996 | $ | 1,358,910 | $ | 1,258,996 | ||||||||||