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October 19 , 2021 MUELLER INDUSTRIES Mueller Industries , Inc. Reports Third Quarter 2021 Earnings COLLIERVILLE , Tenn .-- ( BUSINESS WIRE ) -- Mueller Industries , Inc. ( NYSE : MLI ) announces results for the third quarter of 2021. ( All comparisons are to the prior year quarter . ) • $ 233.4 million in operating income versus $ 69.2 million $ 171.0 million in net income versus $ 42.7 million • $ 982.2 million in net sales versus $ 619.1 million • EPS of $ 3.01 versus $ 0.76 per share Third Quarter Financial and Operating Highlights : • COMEX copper averaged $ 4.30 per pound versus $ 2.93 per pound in the third quarter of last year , a 47 % increase . • Unit sales growth across all segments , the influence of the higher copper prices and contributions from the first quarter acquisition of the Hart & Cooley Flex duct business all contributed to the increase in net sales . • The results include a gain of $ 50.1 million from the sale of the Fabricated Tube Products and Shoals Tubular businesses . • We recorded income of $ 2.8 million on our investment in Tecumseh Products Company as its restructuring efforts progress , compared to a $ 5.5 million loss recorded during the prior year period . • We reduced our debt by $ 230.0 million , ending the quarter with a debt to total capitalization below 10 percent and a current ratio of 2.7 to 1 . Regarding the quarter performance and outlook , Greg Christopher , Mueller's CEO said , " Our strong financial results were driven by continued favorable market demand and our teams ' exceptional operating performance in the face of industry wide labor and supply constraints and rising costs . Building construction demand remains solid , and backlogs in most businesses continue to build . " He added , " During the quarter , we also completed the sale of two of our smaller manufacturing businesses , Fabricated Tube Products and Shoals Tubular , and divested of a majority interest in Die - Mold Tool . Although growth remains a key priority , we also continually evaluate our portfolio and pursue opportunities to exit businesses that we do not believe provide the up - side growth potential and returns necessary to achieve our long - term strategic goals . We anticipate that current market conditions will continue for the foreseeable future . " Mueller Industries , Inc. ( NYSE : MLI ) is an industrial corporation whose holdings manufacture